UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM N-CSR

                   CERTIFIED SHAREHOLDER REPORT OF REGISTERED
                         MANAGEMENT INVESTMENT COMPANIES

                 Investment Company Act file number: 811-00041
                 ---------------------------------------------

                    GENERAL AMERICAN INVESTORS COMPANY, INC.

--------------------------------------------------------------------------------
               (Exact name of registrant as specified in charter)

         450 Lexington Avenue, Suite 3300, New York, New York 10017-3911
--------------------------------------------------------------------------------
               (Address of principal executive offices) (Zip code)

                               Eugene S. Stark
                    General American Investors Company, Inc.
                            450 Lexington Avenue
                                Suite 3300
                       New York, New York  10017-3911
                  (Name and address of agent for service)

                                    Copy to:
                           John E. Baumgardner, Jr., Esq.
                             Sullivan & Cromwell LLP
                                125 Broad Street
                            New York, New York 10004


        Registrant's telephone number, including area code: 212-916-8400

Date of fiscal year end:  December 31

Date of reporting period: June 30, 2006

 2
ITEM 1.  REPORTS TO STOCKHOLDERS.

                           GENERAL AMERICAN INVESTORS
                                  COMPANY, INC.


                               SEMI-ANNUAL REPORT
                                  JUNE 30, 2006

                         A Closed-End Investment Company
                      listed on the New York Stock Exchange




                              450 LEXINGTON AVENUE
                               NEW YORK, NY  10017
                          212-916-8400  1-800-436-8401
                       E-mail: InvestorRelations@gainv.com
                        www.generalamericaninvestors.com

 3

                               TO THE STOCKHOLDERS
--------------------------------------------------------------------------------

For  the  six  months  ended  June  30,  2006,  the  investment  return  to  our
stockholders   was   4.9%   (assuming   reinvestment   of  all   dividends   and
distributions).  The net asset  value per Common  Share  increased  by 1.7%.  By
comparison,  the  rate of  return  (including  income)  for our  benchmark,  the
Standard & Poor's 500 Stock Index,  was 2.7%.  For the twelve  months ended June
30, 2006, the return to our  stockholders  was 19.5%,  and the return on the net
asset value per Common Share was 11.6%;  these compare with a return of 8.5% for
the S&P 500.  During  each  period,  the  discount  at which our  shares  traded
continued to fluctuate and at June 30, 2006, it was 8.7%.

As set forth in the accompanying  financial statements  (unaudited),  as of June
30,  2006,  the  net  assets  applicable  to the  Company's  Common  Stock  were
$1,130,643,127, equal to $39.52 per Common Share.

The increase in net assets  resulting  from  operations for the six months ended
June 30, 2006 was  $17,911,615.  During this period,  the net  realized  gain on
securities sold was $76,478,198, and the decrease in net unrealized appreciation
was $57,871,637.  Net investment  income for the six months was $5,255,054,  and
distributions to Preferred Stockholders amounted to $5,950,000.

During  the six  months,  439,600  shares of the  Company's  Common  Stock  were
repurchased for $16,209,356 at an average discount from net asset value of 9.5%.

Stock markets declined globally in the quarter just ended, erasing most of their
year-to-date gains.  Foremost among the litany of concerns  threatening equities
would appear to be Federal  Reserve policy,  specifically  whether a seventeenth
consecutive  rate hike is likely to be  followed by further  tightening.  Others
include the effect of higher energy prices on consumer spending and the prospect
of a sharp decline in the housing market.

While the  combination of higher  interest  rates,  rising  inflation and slower
growth may continue to have a moderating  influence on investment  returns,  the
outlook is not  without  cause for  optimism.  The U.S.  economy  is  expanding,
earnings and  dividends  are growing and job creation is vigorous,  while around
the world the absence of recession is notable.

Information about the Company,  including our investment  objectives,  operating
policies and procedures, investment results, record of dividend and distribution
payments,  financial reports and press releases,  is on our website and has been
updated  through  June  30,  2006.  It  can  be  accessed  on  the  internet  at
www.generalamericaninvestors.com.

By Order of the Board of Directors,

General American Investors Company, Inc.

Spencer Davidson
President and Chief Executive Officer
July 12, 2006
  4

2        STATEMENT OF ASSETS AND LIABILITIES June 30, 2006 (Unaudited)
--------------------------------------------------------------------------------
                           General American Investors


ASSETS
------------------------------------------------------------------------------------------------------------------------------------
                                                                                       
INVESTMENTS, AT VALUE (NOTE 1a)
   Common and preferred stocks (cost $697,808,050)                                            $1,220,287,368
   Corporate note (cost $33,427,317)                                                              32,725,000
   Corporate discount notes (cost $49,895,903)                                                    49,895,903
   Money market fund (cost $27,658,129)                                                           27,658,129
                                                                                              --------------
      Total investments (cost $808,789,399)                                                    1,330,566,400

CASH, RECEIVABLES AND OTHER ASSETS
   Cash                                                                       $28,066
   Receivable for securities sold                                              62,317
   Dividends, interest and other receivables                                1,237,660
   Prepaid pension cost                                                     7,826,881
   Prepaid expenses and other assets                                          183,477              9,338,401
                                                                            ----------         -------------
TOTAL ASSETS                                                                                   1,339,904,801

LIABILITIES
------------------------------------------------------------------------------------------------------------------------------------
   Payable for securities purchased                                            94,209
   Preferred distribution accrued but not yet declared                        231,389
   Accrued pension expense                                                  5,970,343
   Accrued expenses and other liabilities                                   2,965,733
                                                                           ----------

                                                                                                   9,261,674
TOTAL LIABILITIES

5.95% CUMULATIVE PREFERRED STOCK, SERIES B -
    8,000,000 shares at a liquidation value of $25 per share (note 2)                            200,000,000
                                                                                                 -----------

NET ASSETS APPLICABLE TO COMMON STOCK - 28,610,799 shares (note 2)                            $1,130,643,127
                                                                                              ==============
NET ASSET VALUE PER COMMON SHARE                                                                      $39.52
                                                                                              ==============
NET ASSETS APPLICABLE TO COMMON STOCK
------------------------------------------------------------------------------------------------------------------------------------
   Common Stock, 28,610,799 shares at par value (note 2)                  $28,610,799
   Additional paid-in capital (note 2)                                    503,202,937
   Undistributed realized gain on investments                              76,446,745
   Undistributed net investment income                                      6,787,034
   Unallocated distributions on Preferred Stock                           (6,181,389)
   Unrealized appreciation on investments                                 521,777,001
                                                                          -----------
NET ASSETS APPLICABLE TO COMMON STOCK                                                         $1,130,643,127
                                                                                              ==============

(see notes to financial statements)
 5

3       STATEMENT OF OPERATIONS Six Months Ended June 30, 2006 (Unaudited)
--------------------------------------------------------------------------------
                           General American Investors


INCOME
------------------------------------------------------------------------------------------------------------------------------------
                                                                                           
   Dividends (net of foreign withholding taxes of $207,546)                $8,808,836
   Interest                                                                 2,721,074            $11,529,910
                                                                           ----------
EXPENSES
------------------------------------------------------------------------------------------------------------------------------------
   Investment research                                                      4,181,185
   Administration and operations                                            1,364,994
   Office space and general                                                   266,156
   Directors' fees and expenses                                               143,990
   Auditing and legal fees                                                    120,000
   Transfer agent, custodian and registrar fees and expenses                   82,111
   Stockholders' meeting and reports                                           64,639
   Miscellaneous taxes                                                         51,781              6,274,856
                                                                           ----------             ----------
NET INVESTMENT INCOME                                                                              5,255,054

REALIZED GAIN (LOSS) AND CHANGE IN UNREALIZED APPRECIATION ON INVESTMENTS (NOTES 1e AND 4)
------------------------------------------------------------------------------------------------------------------------------------
   Net realized gain on investments:
     Long transactions                                                     77,107,878
     Short sale transactions (note 1b)                                       (629,680)
                                                                           ----------
   Net realized gain on investments (long-term, except for $1,941,847)     76,478,198
   Net decrease in unrealized appreciation                                (57,871,637)
                                                                          -----------
NET GAIN ON INVESTMENTS                                                                           18,606,561

DISTRIBUTIONS TO PREFERRED STOCKHOLDERS                                                           (5,950,000)
                                                                                                ------------
INCREASE IN NET ASSETS RESULTING FROM OPERATIONS                                                 $17,911,615
                                                                                                ============

(see notes to financial statements)

 6

4                      STATEMENT OF CHANGES IN NET ASSETS
--------------------------------------------------------------------------------
                           General American Investors



                                                                           Six Months
                                                                              Ended              Year Ended
                                                                          June 30, 2006         December 31,
                                                                           (Unaudited)              2005
OPERATIONS
------------------------------------------------------------------------------------------------------------------------------------
                                                                                        
   Net investment income                                                    $5,255,054            $5,408,018
   Net realized gain on investments                                         76,478,198            63,024,095
   Net increase (decrease) in unrealized appreciation                      (57,871,637)          103,638,830
                                                                           -----------          ------------
                                                                            23,861,615           172,070,943
                                                                           -----------          ------------
   Distributions to Preferred Stockholders:
      From net investment income                                                 -                  (845,368)
      From short-term capital gains                                              -                (2,449,640)
      From long-term capital gains                                               -                (8,604,992)
      Unallocated distributions on Preferred Stock                          (5,950,000)                    -
                                                                           -----------          ------------
       Decrease in net assets from Preferred Stock distributions            (5,950,000)          (11,900,000)
                                                                          ------------          ------------

INCREASE IN NET ASSETS RESULTING FROM OPERATIONS                            17,911,615           160,170,943
                                                                          ------------          ------------
DISTRIBUTIONS TO COMMON STOCKHOLDERS
------------------------------------------------------------------------------------------------------------------------------------
   From net investment income                                                    -                (4,333,771)
   From short-term capital gains                                                 -               (12,389,129)
   From long-term capital gains                                             (4,000,786)          (43,672,026)
                                                                          ------------          ------------
DECREASE IN NET ASSETS FROM COMMON DISTRIBUTIONS                            (4,000,786)          (60,394,926)
                                                                          ------------          ------------
CAPITAL SHARE TRANSACTIONS (NOTE 2)
------------------------------------------------------------------------------------------------------------------------------------
   Value of Common Shares issued in payment of distributions                     -                36,584,716
   Cost of Common Shares purchased                                         (16,209,356)          (39,812,172)
                                                                          ------------          ------------
DECREASE IN NET ASSETS - CAPITAL TRANSACTIONS                              (16,209,356)           (3,227,456)
                                                                          ------------          ------------
NET INCREASE (DECREASE) IN NET ASSETS                                       (2,298,527)            96,548,561

NET ASSETS APPLICABLE TO COMMON STOCK
------------------------------------------------------------------------------------------------------------------------------------
BEGINNING OF PERIOD                                                      1,132,941,654         1,036,393,093
                                                                         -------------         -------------
END OF PERIOD (including undistributed net investment income
    of $6,787,034 and $1,531,980, respectively)                         $1,130,643,127        $1,132,941,654
                                                                        ==============        ==============

(see notes to financial statements)


 7

5                              FINANCIAL HIGHLIGHTS
--------------------------------------------------------------------------------
                           General American Investors

The following table shows per share operating performance data, total investment
return,  ratios and supplemental data for the six months ended June 30, 2006 and
for each year in the five-year  period ended December 31, 2005. This information
has been derived from  information  contained in the  financial  statements  and
market price data for the Company's shares.




                                           Six Months
                                             Ended                             Year Ended December 31,
                                         June 30, 2006   ------------------------------------------------------------
                                          (Unaudited)       2005      2004      2003          2002       2001
                                         ------------    ------------------------------------------------------------
                                                                                      
PER SHARE OPERATING PERFORMANCE
   Net asset value, beginning of period      $39.00       $35.49    $33.11     $26.48      $35.14         $39.91
                                          ---------    ---------   -------    -------     -------       --------
      Net investment income                     .18          .19       .32        .03         .19            .41
      Net gain (loss) on investments -
        realized and unrealized                 .69         5.85      3.48       7.72       (7.88)          (.66)
                                          ---------    ---------   -------    -------     -------       --------

      Less distributions on Preferred Stock:
        Dividends from net investment income     -          (.03)     (.09)      (.01)       (.12)          (.03)
        Distributions from net short-term
          capital gains                          -          (.08)       -          -           -            (.04)
        Distributions from net long-term
          capital gains                          -          (.30)     (.32)      (.35)       (.23)          (.29)
        Unallocated                            (.21)          -         -          -           -              -
                                          ----------   ----------  --------   -------     --------       -------
                                               (.21)        (.41)     (.41)      (.36)       (.35)          (.36)
                                          ----------   ----------  --------   -------     --------       -------
   Total from investment operations             .66         5.63      3.39       7.39       (8.04)          (.61)
                                          ---------    ---------  ---------   -------     -------        -------

   Less distributions on Common Stock:
        Dividends from net investment
          income                                 -          (.15)     (.23)      (.02)       (.02)          (.37)
        Distributions from net short-term
          capital gains                          -          (.44)       -          -         (.19)          (.51)
        Distributions from net long-term
          capital gains                        (.14)       (1.53)     (.78)      (.52)       (.41)         (3.28)
                                          ---------    ----------  -------    -------     -------       --------
                                               (.14)       (2.12)    (1.01)      (.54)       (.62)         (4.16)
                                          ----------   ----------  --------   --------    --------      --------

   Capital Stock transaction -
      effect of Preferred Stock offering       -            -          -         (.22)        -               -
                                          ---------    ---------   -------    -------     -------       --------
   Net asset value, end of period            $39.52       $39.00    $35.49     $33.11      $26.48         $35.14
                                          =========    =========   =======    =======     =======       ========

   Per share market value, end of period     $36.10       $34.54    $31.32     $29.73      $23.85         $33.47
                                          =========    =========   =======    =======     =======       ========

TOTAL INVESTMENT RETURN - Stockholder
      return, based on market price
        per share                              4.92%*      17.40%     8.79%     27.01%     (27.21)%         4.33%
RATIOS AND SUPPLEMENTAL DATA
   Net assets applicable to Common Stock,
      end of period (000's omitted)      $1,130,643   $1,132,942 $1,036,393  $986,335    $809,192     $1,097,530
   Ratio of expenses to average net assets
      applicable to Common Stock               1.08%**      1.25%     1.15%      1.23%       0.92%          0.97%
   Ratio of net investment income to average
      net assets applicable to Common Stock    0.90%**      0.51%     0.94%      0.13%       0.61%          1.15%
   Portfolio turnover rate                    10.34%*      20.41%    16.71%     18.62%      22.67%         23.81%
PREFERRED STOCK
   Liquidation value, end of
      period (000's omitted)               $200,000     $200,000  $200,000   $200,000    $150,000       $150,000
   Asset coverage                               665%         666%      618        593%        639%           832%
   Liquidation preference per share          $25.00       $25.00    $25.00     $25.00      $25.00         $25.00
   Market value per share                    $22.48       $24.07    $24.97     $25.04      $25.85         $25.90

   *Not annualized
   **Annualized


 8
6   STATEMENT OF INVESTMENTS June 30, 2006  (Unaudited)
--------------------------------------------------------------------------------
                           General American Investors


                                                                                                     Value
      Shares      COMMON AND PREFERRED STOCKS                                                      (note 1a)
------------------------------------------------------------------------------------------------------------------------------------
BUILDING AND REAL ESTATE (5.9%)
------------------------------------------------------------------------------------------------------------------------------------
                                                                                         
   1,175,431    CEMEX, S.A. de C.V. ADR                                (COST $31,961,074)         $66,964,327
                                                                                                  -----------

COMMUNICATIONS AND INFORMATION SERVICES (5.4%)
------------------------------------------------------------------------------------------------------------------------------------
     775,000    American Tower Corporation (a)                                                     24,118,000
     900,000    Cisco Systems, Inc. (a)                                                            17,577,000
     350,000    Lamar Advertising Company Class A (a)                                              18,851,000
                                                                                                   ----------
                                                                       (COST $37,774,748)          60,546,000
                                                                                                   ----------
COMPUTER SOFTWARE AND SYSTEMS (3.5%)
------------------------------------------------------------------------------------------------------------------------------------
     300,000    EMC Corporation (a)                                                                 3,291,000
   1,400,000    Microsoft Corporation                                                              32,620,000
     133,500    VeriSign, Inc. (a)                                                                  3,093,195
                                                                                                   ----------
                                                                       (COST $40,487,424)          39,004,195
                                                                                                   ----------
CONSUMER PRODUCTS AND SERVICES (3.0%)
------------------------------------------------------------------------------------------------------------------------------------
     350,000    Diageo plc ADR                                                                     23,642,500
     175,000    PepsiCo, Inc.                                                                      10,507,000
                                                                                                   ----------
                                                                       (COST $22,493,511)          34,149,500
                                                                                                   ----------
ELECTRONICS (1.4%)
------------------------------------------------------------------------------------------------------------------------------------
     550,000    Molex Incorporated Class A                             (COST $12,287,441)          15,801,500
                                                                                                   ----------



ENVIRONMENTAL CONTROL (INCLUDING SERVICES) (4.2%)
------------------------------------------------------------------------------------------------------------------------------------
                Republic Services, Inc.                                (COST $26,227,380)          47,399,500
                                                                                                   ----------

FINANCE AND INSURANCE (27.3%)
------------------------------------------------------------------------------------------------------------------------------------
   BANKING (9.5%)
   ---------------------------------------------------------------------------------------------------------------------------------
     280,000    Bank of America Corporation                                                        13,468,000
     585,000    Golden West Financial Corporation                                                  43,407,000
     310,000    M&T Bank Corporation                                                               36,555,200
     180,000    SunTrust Banks, Inc.                                                               13,726,800
                                                                                                  -----------
                                                                       (COST $17,866,105)         107,157,000
                                                                                                  -----------
   INSURANCE (16.4%)
   ---------------------------------------------------------------------------------------------------------------------------------
     275,000    The Allstate Corporation                                                           15,050,750
     350,000    American International Group, Inc.                                                 20,667,500
     428,500    Annuity and Life Re (Holdings), Ltd. (a)                                              518,485
     350,000    Arch Capital Group Ltd. (a)                                                        20,811,000
         300    Berkshire Hathaway Inc. Class A (a)                                                27,497,700
     575,000    Everest Re Group, Ltd.                                                             49,777,750
     285,000    MetLife, Inc.                                                                      14,594,850
     365,000    PartnerRe Ltd.                                                                     23,378,250
     235,000    Transatlantic Holdings, Inc.                                                       13,136,500
                                                                                                  -----------
                                                                       (COST $84,101,262)         185,432,785
                                                                                                  -----------
   OTHER (1.4%)
   ---------------------------------------------------------------------------------------------------------------------------------
     655,000    Annaly Mortgage Management, Inc.                                                    8,390,550
   1,150,000    MFA Mortgage Investments, Inc.                                                      7,912,000
                                                                                                   ----------
                                                                       (COST $16,432,767)          16,302,550
                                                                                                  -----------
                                                                      (COST $118,400,134)         308,892,335
                                                                                                  -----------

 9

7       STATEMENT OF INVESTMENTS June 30, 2006 (Unaudited) - continued
--------------------------------------------------------------------------------
                           General American Investors


                                                                                                     Value
      Shares      COMMON AND PREFERRED STOCKS (continued)                                          (note 1a)
------------------------------------------------------------------------------------------------------------------------------------
HEALTH CARE  (9.8%)
------------------------------------------------------------------------------------------------------------------------------------
                                                                                        
   PHARMACEUTICALS (7.9%)
   ---------------------------------------------------------------------------------------------------------------------------------
     240,000    Alkermes, Inc. (a)                                                                 $4,540,800
     170,000    Biogen Idec Inc. (a)                                                                7,874,400
     604,900    Cytokinetics, Incorporated (a)                                                      3,804,821
     240,000    Genentech, Inc. (a)                                                                19,632,000
     380,000    MedImmune, Inc. (a)                                                                10,298,000
   1,812,000    Pfizer Inc                                                                         42,527,640
                                                                                                   ----------
                                                                       (COST $60,218,463)          88,677,661
                                                                                                   ----------
   MEDICAL INSTRUMENTS AND DEVICES (1.9%)
   ---------------------------------------------------------------------------------------------------------------------------------
     450,000    Medtronic, Inc.                                        (COST $10,483,716           21,114,000
                                                                                                   ----------

                                                                       (COST $70,702,179          109,791,661
                                                                                                  -----------
MACHINERY AND EQUIPMENT (1.3%)
------------------------------------------------------------------------------------------------------------------------------------
   1,150,000    ABB Ltd. ADR                                           (COST $12,430,211)          14,904,000
                                                                                                   ----------
MISCELLANEOUS (5.1%)
------------------------------------------------------------------------------------------------------------------------------------
                Other (b)                                              (COST $59,130,397)          58,207,250
                                                                                                   ----------
OIL & NATURAL GAS (INCLUDING SERVICES) (20.1%)
------------------------------------------------------------------------------------------------------------------------------------
     825,000    Apache Corporation                                                                 56,306,250
     400,000    Halliburton Company                                                                29,684,000
   1,000,000    Patterson-UTI Energy, Inc.                                                         28,310,000
   3,000,000    Talisman Energy Inc.                                                               52,440,000
   1,220,000    Weatherford International Ltd. (a)                                                 60,536,400
                                                                                                  -----------
                                                                      (COST $147,241,413)         227,276,650
                                                                                                  -----------
RETAIL TRADE (18.4%)
------------------------------------------------------------------------------------------------------------------------------------
     700,000    Costco Wholesale Corporation                                                       39,991,000
   1,950,000    Dollar General Corporation                                                         27,261,000
   1,570,000    The Home Depot, Inc. (c)                                                           56,190,300
   2,500,000    The TJX Companies, Inc.                                                            57,150,000
     575,000    Wal-Mart Stores, Inc.                                                              27,697,750
                                                                                                   ----------
                                                                       (COST $87,966,483)         208,290,050
                                                                                                  -----------
SEMICONDUCTORS (0.2%)
------------------------------------------------------------------------------------------------------------------------------------
     223,000    Brooks Automation, Inc. (a)                             (COST $2,012,801)           2,631,400
                                                                                                    ---------

SPECIAL HOLDING (a) (d) (0.0%)
------------------------------------------------------------------------------------------------------------------------------------

     546,000    Standard MEMS, Inc. Series A Convertible Preferred      (COST $3,003,000)                   -
                                                                                                    ---------

TECHNOLOGY (2.3%)
------------------------------------------------------------------------------------------------------------------------------------
   1,900,000    Xerox Corporation (a)                                  (COST $25,689,854)          26,429,000
                                                                                                   ----------

   TOTAL COMMON AND PREFERRED STOCKS (107.9%)                       (COST $697,808,050)         1,220,287,368
                                                                                                -------------

 Principal Amount CORPORATE NOTE
------------------------------------------------------------------------------------------------------------------------------------
CONSUMER PRODUCTS AND SERVICES  (2.9%)
------------------------------------------------------------------------------------------------------------------------------------
 $35,000,000     General Motors Nova Scotia Finance Company
                   6.85% Guaranteed Notes due 10/15/08                 (COST $33,427,317)          32,725,000
                                                                                                   ----------

 10

8        STATEMENT OF INVESTMENTS June 30, 2006 (Unaudited) - continued
--------------------------------------------------------------------------------
                           General American Investors


 Principal Amount/                                                                                   Value
      Shares           SHORT-TERM SECURITIES AND OTHER ASSETS                                      (note 1a)
------------------------------------------------------------------------------------------------------------------------------------
                                                                                        
 $25,000,000    American General Finance Corporation note due 7/11/06; 5.20%(COST $24,949,445)   $24,949,445
 $25,000,000    General Electric Finance Corporation note due 7/5/06; 5.14% (COST $24,946,458)    24,946,458
  27,658,129    SSgA Prime Money Market Fund                                (COST $27,658,129)    27,658,129
                                                                                                 -----------
TOTAL SHORT-TERM SECURITIES (6.9%)                                          (COST $77,554,032)    77,554,032
                                                                                                 -----------
TOTAL INVESTMENTS (e) (117.7%)                                             (COST $808,789,399) 1,330,566,400
   Cash, receivables and other assets less liabilities (0.0%)                                         76,727
PREFERRED STOCK (-17.7%)                                                                        (200,000,000)
                                                                                                ------------
NET ASSETS APPLICABLE TO COMMON STOCK (100%)                                                  $1,130,643,127
                                                                                              ==============

 (a) Non-income producing security.
 (b) Securities which have been held for less than one year, not previously disclosed and not restricted.
 (c) 1,000,000 shares held by custodian in a segregated account as collateral for open short positions.
 (d) Restricted security acquired 12/17/99.  Fair value in the opinion of the directors.
 (e) At June 30, 2006: (1) the cost of investments for Federal income tax purposes was the same as the cost for financial reporting
     purposes, (2) aggregate gross unrealized appreciation was $543,375,149, (3) aggregate gross unrealized depreciation was
     $21,598,148, and (4) net unrealized appreciation was $521,777,001.

 (see notes to financial statements)




              PORTFOLIO DIVERSIFICATION June 30, 2006 (Unaudited)
--------------------------------------------------------------------------------
                           General American Investors

The  diversification  of the Company's net assets applicable to its Common Stock
by industry group as of June 30, 2006 and 2005 is shown in the following table.



                                                                                Percent Common Net Assets*
                                                                                       June 30, 2006      June 30
Industry Category                           Cost(000)       Value(000)              2006          2005
--------------------------------    --------------------  -----------------     -----------   -----------
                                                                                     
Finance and Insurance
    Banking                                 $17,866          $107,157                9.5%          9.3%
    Insurance                                84,101           185,433               16.4          18.0
    Other                                    16,433            16,302                1.4           1.2
                                            -------          --------              -----          ----
                                            118,400           308,892               27.3          28.5
                                            -------          --------              -----          ----
Oil and Natural Gas (Including Services)    147,241           227,277               20.1          26.7
Retail Trade                                 87,967           208,290               18.4          19.6
                                            -------          --------              -----          ----
Health Care
    Pharmaceuticals                          60,219            88,678                7.9           9.3
    Medical Instruments and Devices          10,484            21,114                1.9           2.2
                                            -------          --------              -----          ----
                                             70,703           109,792                9.8          11.5
                                            -------          --------              -----          ----
Building and Real Estate                     31,961            66,964                5.9           4.5
Consumer Products and Services               55,921            66,874                5.9           3.6
Communications and Information Services      37,775            60,546                5.4           7.3
Miscellaneous**                              59,130            58,207                5.1           3.7
Environmental Control (Including Services)   26,227            47,400                4.2           3.9
Computer Software and Systems                40,487            39,004                3.5           4.6
Technology                                   25,690            26,429                2.3           0.0
Electronics                                  12,287            15,802                1.4           1.6
Machinery and Equipment                      12,430            14,904                1.3           0.0
Semiconductors                                2,013             2,631                0.2           0.7
Special Holdings                              3,003               0.0                0.0           0.0
                                            -------         ---------             ------         -----
                                            731,235         1,253,012              110.8         116.2
Short-Term Securities                        77,554            77,554                6.9           3.5
                                            -------         ---------             ------         -----
    Total Investments                      $808,789         1,330,566              117.7         119.7
                                           ========         =========             ======         =====
Other Assets and Liabilities - Net                                 77                0.0          (1.0)
Preferred Stock                                              (200,000)             (17.7)        (18.7)
                                                           ----------             ------        ------
Net Assets Applicable to Common Stock                      $1,130,643              100.0%        100.0%
                                                           ==========             ======        ======

*    Net Assets applicable to the Company's Common Stock.
**  Securities which have been held for less than one year, not previously disclosed and not restricted.


 11
9                    NOTES TO FINANCIAL STATEMENTS (Unaudited)
--------------------------------------------------------------------------------
                           General American Investors

1. Significant  Accounting  Policies - General American Investors Company,  Inc.
(the "Company"), established in 1927, is registered under the Investment Company
Act of 1940 as a closed-end,  diversified  management  investment company. It is
internally  managed  by  its  officers  under  the  direction  of the  Board  of
Directors.

The preparation of financial statements in conformity with accounting principles
generally  accepted in the United States  requires  management to make estimates
and assumptions that affect the amounts reported in the financial statements and
accompanying notes. Actual results could differ from those estimates.

a. SECURITY VALUATION  Securities traded on a national  securities  exchange are
valued at the last reported  sales price on the last business day of the period.
Securities  reported on the NASDAQ  national  market are valued at the  official
closing price on that  day. Listed and NASDAQ  securities for which no sales are
reported on that day and other securities traded in the over-the-counter  market
are valued at the last bid price (asked price for open short  positions)  on the
valuation  date.  Securities  traded  primarily in foreign markets are generally
valued at the  preceding  closing price of such  securities on their  respective
exchanges  or markets.  If,  after the close of the foreign  market,  conditions
change significantly, the price of certain foreign securities may be adjusted to
reflect fair value as of the time of the valuation of the  portfolio.  Corporate
discount notes are valued at amortized cost,  which  approximates  market value.
Investments  in money market funds are valued at their net asset value.  Special
holdings  (restricted  securities) and other securities for which quotations are
not readily available are valued at fair value determined in good faith pursuant
to procedures  established by and under the general  supervision of the Board of
Directors.

b.  SHORT  SALES The  Company  may make  short  sales of  securities  for either
speculative or hedging purposes. When the Company makes a short sale, it borrows
the securities  sold short from a broker;  in addition,  the Company places cash
with that broker and securities in a segregated account with the custodian, both
as collateral for the short  position.  The Company may be required to pay a fee
to borrow the securities and may also be obligated to pay any dividends declared
on the  borrowed  securities.  The Company  will  realize a gain if the security
price decreases and a loss if the security price  increases  between the date of
the  short  sale  and the  date on  which  the  Company  replaces  the  borrowed
securities.

c. FEDERAL INCOME TAXES The Company's  policy is to fulfill the  requirements of
the Internal  Revenue Code applicable to regulated  investment  companies and to
distribute substantially all taxable income to its stockholders. Accordingly, no
provision for Federal income taxes is required.

d. INDEMNIFICATIONS In the ordinary course of business,  the Company enters into
contracts  that contain a variety of  indemnifications.  The  Company's  maximum
exposure under these arrangements is unknown.  However,  the Company has not had
prior claims or losses pursuant to these indemnification  provisions and expects
the risk of loss thereunder to be remote.

e.  OTHER  As  customary  in  the  investment   company   industry,   securities
transactions   are  recorded  as  of  the  trade  date.   Dividend   income  and
distributions to stockholders are recorded as of the ex-dividend dates. Interest
income,  adjusted for  amortization of discount and premium on  investments,  is
earned from  settlement  date and is  recognized on the accrual  basis.  Cost of
short-term investments represents amortized cost.


2. CAPITAL STOCK AND DIVIDEND  DISTRIBUTIONS  - The authorized  capital stock of
the Company consists of 50,000,000 shares of Common Stock,  $1.00 par value, and
10,000,000  shares of  Preferred  Stock,  $1.00 par value,  of which  28,610,799
shares and 8,000,000 shares, respectively, were outstanding at June 30, 2006.

On September 24, 2003, the Company issued and sold 8,000,000 shares of its 5.95%
Cumulative Preferred Stock, Series B in an underwritten  offering. The Preferred
Shares are noncallable  for 5 years and have a liquidation  preference of $25.00
per share plus an amount equal to accumulated  and unpaid  dividends to the date
of redemption.  The underwriting discount and other expenses associated with the
Preferred  Stock  offering  amounted to  $6,700,000  and were charged to paid-in
capital.

The Company is required to allocate  distributions  from long-term capital gains
and other  types of income  proportionately  among  holders  of shares of Common
Stock and  Preferred  Stock.  To the  extent  that  dividends  on the  shares of
Preferred  Stock are not paid from long-term  capital  gains,  they will be paid
from ordinary income or net short-term  capital gains or will represent a return
of capital.

Under the Investment Company Act of 1940, the Company is required to maintain an
asset coverage of at least 200% for the Preferred  Stock. In addition,  pursuant
to the Rating Agency  Guidelines,  the Company is required to maintain a certain
discounted  asset  coverage for its  portfolio  that equals or exceeds the Basic
Maintenance  Amount  under  the  guidelines  established  by  Moody's  Investors
Service,  Inc. The Company has met these  requirements since the issuance of the
Preferred  Stock. If the Company fails to meet these  requirements in the future
and does not cure such failure,  the Company may be required to redeem, in whole
or in part,  shares of Preferred Stock at a redemption price of $25.00 per share
plus  accumulated and unpaid dividends  (whether or not earned or declared).  In
addition,   the  Company's   failure  to  meet  the  foregoing   asset  coverage
requirements  could  restrict  its ability to pay  dividends on shares of Common
Stock and could lead to sales of portfolio securities at inopportune times.

The holders of Preferred  Stock have voting  rights  equivalent  to those of the
holders of Common Stock (one vote per share) and, generally,  vote together with
the holders of Common Stock as a single class.

At all times, holders of Preferred Stock will elect two members of the Company's
Board of Directors and the holders of Preferred  and Common  Stock,  voting as a
single class,  will elect the remaining  directors.  If the Company fails to pay
dividends  on  the  Preferred  Stock  in an  amount  equal  to two  full  years'
dividends,  the  holders  of  Preferred  Stock  will  have the  right to elect a
majority of the  directors.  In  addition,  the  Investment  Company Act of 1940
requires that approval of the holders of a majority of any outstanding Preferred
Shares, voting separately as a class, would be required to (a) adopt any plan of
reorganization  that would adversely affect the Preferred Stock and (b) take any
action  requiring a vote of security  holders,  including,  among other  things,
changes in the Company's subclassification as a closed-end investment company or
changes in its fundamental investment policies.

The Company  classifies its Preferred Stock pursuant to the requirements of EITF
D-98,  Classification  and Measurement of Redeemable  Securities,  which require
that  preferred  stock for which its  redemption  is  outside  of the  company's
control should be presented outside of net assets in the statement of assets and
liabilities.
 12

10             NOTES TO FINANCIAL STATEMENTS (Unaudited) - continued
--------------------------------------------------------------------------------
                           General American Investors

2. CAPITAL STOCK AND DIVIDEND DISTRIBUTIONS - (Continued from bottom of previous
page.)  Transactions  in Common  Stock during the six months ended June 30, 2006
and the year ended December 31, 2005 were as follows:


                                                                              SHARES                      AMOUNT
                                                                       ------------------        ------------------------
                                                                          2005      2004              2005        2004
                                                                       ------------------        ------------------------
                                                                                                  
Shares issued in payment of dividends (includes 1,067,491
    shares issued from treasury for 2005)                                -        1,067,491        -           $1,067,491
Increase in paid-in capital                                                                        -           35,517,225
                                                                                                 ---------     ----------
   Total increase                                                                                  -           36,584,716
                                                                                                 ---------     ----------
Shares purchased (at an average discount from net
   asset value of 9.5% and 12.4%, respectively)                         439,600   1,222,404      ($439,600)    (1,222,404)
Decrease in paid-in capital                                                                    (15,769,756)   (38,589,768)
                                                                                               -----------    -----------
   Total decrease                                                                              (16,209,356)   (39,812,172)
                                                                                               -----------    -----------
Net decrease                                                                                  ($16,209,356)   ($3,227,456)
                                                                                              ============    ===========


At June 30, 2006,  the Company held in its treasury  2,620,764  shares of Common
Stock with an aggregate cost in the amount of $77,099,870. Distributions for tax
and book purposes are substantially the same.

3.  OFFICERS'  COMPENSATION  - The  aggregate  compensation  paid by the Company
during  the  six  months  ended  June  30,  2006  to its  officers  amounted  to
$3,872,250.

4.  PURCHASES AND SALES OF  SECURITIES - Purchases  and sales of securities  and
securities  sold short  (other than  short-term  securities)  for the six months
ended  June  30,  2006  amounted  to  $135,508,007   and  $229,399,448  on  long
transactions,   respectively,  and  $4,061,806  and  $3,432,126  on  short  sale
transactions, respectively.

5.  PENSION  BENEFIT  PLANS - The Company has funded  (Qualified)  and  unfunded
(Supplemental)   noncontributory   defined  benefit  pension  plans  that  cover
substantially all of its employees.  The plans provide defined benefits based on
years of service and final average salary with an offset for a portion of social
security covered  compensation.  The components of the net periodic benefit cost
of the plans for the six months ended June 30, 2006 were:

                    Service cost                               $158,698
                    Interest cost                               342,078
                    Expected return on plan assets             (563,520)
                    Amortization of:
                       Prior service cost                        17,548
                       Recognized net actuarial loss (gain)      92,751
                                                               --------
                    Net periodic benefit cost (income)          $47,555
                                                               ========

The  Company  also has funded and  unfunded  contributory  defined  contribution
thrift plans that cover substantially all employees.  The aggregate cost of such
plans  for the six  months  ended  June 30,  2006  was  $371,086.  The  unfunded
liability  included in accrued  expenses and other  liabilities at June 30, 2006
was $2,791,863.

6.  OPERATING  LEASE  COMMITMENT  - In July 1992,  the Company  entered  into an
operating  lease  agreement  for office space which expires in 2007 and provides
for  future  rental  payments  in the  aggregate  amount of  approximately  $5.6
million.  The lease  agreement  contains a clause  whereby the Company  received
twenty  months of free rent  beginning in December 1992 and  escalation  clauses
relating to operating costs and real property taxes.

Rental  expense  approximated  $152,000  for the six months ended June 30, 2006.
Minimum rental commitments under the operating lease are approximately  $505,000
per annum in 2006 through 2007.

In January 2003, the Company extended a sublease agreement  (originally  entered
into in March  1996)  which  expires  in 2007 and  provides  for  future  rental
receipts.  Minimum rental receipts under the sublease are approximately $254,000
per annum in 2006 through 2007. The Company will also receive its  proportionate
share of operating expenses and real property taxes under the sublease.

 13




11     MAJOR STOCK CHANGES*  Three Months Ended June 30, 2006 (Unaudited)
--------------------------------------------------------------------------------
                           General American Investors



                                                                                            SHARES HELD
INCREASES                                                                  SHARES          JUNE 30, 2006
-----------------------------------------------------------------------------------------------------------------
                                                                                       
NEW POSITION
   ABB Ltd. ADR                                                                -             1,150,000 (a)

ADDITIONS
   American Tower Corporation                                              100,000             775,000
   Annaly Mortgage Management, Inc.                                        155,000             655,000
   Apache Corporation                                                      160,000             825,000
   Dollar General Corporation                                            1,200,000           1,950,000
   Everest Re Group, Ltd.                                                   25,000             575,000
   Transatlantic Holdings, Inc.                                             10,000             235,000


DECREASES
-----------------------------------------------------------------------------------------------------------------
ELIMINATIONS
   EMCORE Corporation                                                      100,000                   -
   EOG Resources, Inc.                                                     200,000                   -
   North Fork Bancorporation, Inc.                                         475,000                   -
   Total S.A. ADR                                                          552,000 (b)               -

REDUCTIONS
   Annuity and Life Re (Holdings), Ltd.                                     71,500             428,500
   Brooks Automation, Inc.                                                 100,000             223,000
   Genentech, Inc.                                                          65,000             240,000
   Halliburton Company                                                      40,000             400,000
   MFA Mortgage Investments, Inc.                                          150,000           1,150,000
   MedImmune, Inc.                                                          20,000             380,000
   Pfizer Inc                                                              135,000           1,812,000
   SunTrust Banks, Inc.                                                     20,000             180,000

*    Excludes transactions in Common and Preferred Stocks - Miscellaneous - Other.
(a)  Securities purchased in prior period and previously carried under Common and Preferred Stocks - Miscellaneous - Other.
(b)  Includes shares received in conjunction with a stock split.





                            OTHER MATTERS (Unaudited)
--------------------------------------------------------------------------------
                           General American Investors

In addition to purchases of the Company's Common Stock as set forth in Note 2 on
page 10, purchases of Common Stock may be made at such times, at such prices, in
such amounts and in such manner as the Board of Directors may deem advisable.

The policies and procedures used by the Company to determine how to vote proxies
relating to portfolio  securities and the Company's  proxy voting record for the
twelve-month period ended June 30, 2006 are available:  (1) without charge, upon
request, by calling us at our toll-free telephone number  (1-800-436-8401),  (2)
on the  Company's  website  at  www.generalamericaninvestors.com  and (3) on the
Securities and Exchange Commission's website at www.sec.gov.

In addition to distributing  financial statements as of the end of each quarter,
General  American  Investors  files a Quarterly  Schedule of Portfolio  Holdings
(Form N-Q) with the  Securities and Exchange  Commission  (SEC) as of the end of
the first and third calendar quarters.  The Company's Forms N-Q are available at
www.generalamericaninvestors.com  and on the SEC's website:  www.sec.gov.  Also,
Forms N-Q may be  reviewed  and  copied at the SEC's  Public  Reference  Room in
Washington,  DC. Information on the operation of the SEC's Public Reference Room
may be obtained by calling 1-800-SEC-0330.  A copy of the Company's Form N-Q may
be obtained by calling us at 1-800-436-8401.

On May 2, 2006, the Company submitted a CEO annual certification to the New York
Stock  Exchange  ("NYSE") on which the  Company's  principal  executive  officer
certified  that he was not  aware,  as of that  date,  of any  violation  by the
Company of the NYSE's Corporate  Governance listing standards.  In addition,  as
required by Section 302 of the Sarbanes-Oxley Act of 2002 and related SEC rules,
the Company's principal executive and principal financial officer made quarterly
certifications, included in filings with the SEC on Forms N-CSR and N-Q relating
to, among other things,  the Company's  disclosure  controls and  procedures and
internal control over financial reporting, as applicable.

 14

                                    DIRECTORS
--------------------------------------------------------------------------------

                       Lawrence B. Buttenwieser, Chairman
       Arthur G. Altschul, Jr.                  Sidney R. Knafel
       Lewis B. Cullman                         Richard R. Pivirotto
       Spencer Davidson                         D. Ellen Shuman
       Gerald M. Edelman                        Joseph T. Stewart, Jr.
       John D. Gordan, III                      Raymond S. Troubh

                      William T. Golden, Director Emeritus

                                    OFFICERS
--------------------------------------------------------------------------------

Spencer Davidson, President & Chief Executive Officer
Peter P. Donnelly, Vice-President & Trader
Sally A. Lynch, Vice-President
Eugene S. Stark, Vice-President, Administration &
     Chief Compliance Officer
Jesse R. Stuart, Vice-President
Andrew V. Vindigni, Vice-President
Diane G. Radosti, Treasurer
Carole Anne Clementi, Secretary
Craig A. Grassi, Assistant Vice-President
Maureen E. LoBello, Assistant Secretary

                                SERVICE COMPANIES
--------------------------------------------------------------------------------

Counsel
Sullivan & Cromwell LLP

Independent Auditors
Ernst & Young LLP

Custodian
State Street Bank and
  Trust Company

Transfer Agent and Registrar
American Stock Transfer & Trust
  Company
59 Maiden Lane
New York, NY  10038
1-800-413-5499
www.amstock.com


REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
--------------------------------------------------------------------------------

To the Board of Directors and Stockholders of
GENERAL AMERICAN INVESTORS COMPANY, INC.

     We have reviewed the  accompanying  statement of assets and  liabilities of
General  American   Investors   Company,   Inc.,   including  the  statement  of
investments,  as of June 30, 2006, and the related  statements of operations and
changes in net assets and financial  highlights  for the six-month  period ended
June 30, 2006.  These  financial  statements  and financial  highlights  are the
responsibility of the Company's management.

     We  conducted  our review in  accordance  with the  standards of the Public
Company  Accounting  Oversight  Board  (United  States).  A  review  of  interim
financial  information consists principally of applying analytical procedures to
financial  data, and making  inquiries of persons  responsible for financial and
accounting  matters.  It is  substantially  less  in  scope  than  an  audit  in
accordance with the standards of the Public Company Accounting  Oversight Board,
the objective of which is the  expression of an opinion  regarding the financial
statements taken as a whole. Accordingly, we do not express such an opinion.

     Based on our review,  we are not aware of any material  modifications  that
should be made to the interim financial statements referred to above for them to
be in conformity with  accounting  principles  generally  accepted in the United
States.

     We have previously  audited, in accordance with the standards of the Public
Company  Accounting  Oversight Board, the statement of changes in net assets for
the year ended  December 31, 2005 and financial  highlights for each of the five
years in the period then ended and in our report,  dated  January 18,  2006,  we
expressed an  unqualified  opinion on such  financial  statements  and financial
highlights.

New York, New York                                             ERNST & YOUNG LLP
July 12, 2006


 15
ITEM 2. CODE OF ETHICS.

Not applicable to this semi-annual report.

ITEM 3. AUDIT COMMITTEE FINANCIAL EXPERT.

Not applicable to this semi-annual report.

ITEM 4. PRINCIPAL ACCOUNTANT FEES AND SERVICES.

Not applicable to this semi-annual report.

ITEM 5. AUDIT COMMITTEE OF LISTED REGISTRANTS.

Not applicable to this semi-annual report.

ITEM 6. SCHEDULE OF INVESTMENTS

The schedule of investments in securities of unaffiliated issuers is included as
part of the report to stockholders filed under Item 1 of this form.

ITEM 7. DISCLOSURE OF PROXY VOTING POLICIES AND PROCEDURES FOR CLOSED-END
MANAGEMENT INVESTMENT COMPANIES.

Not applicable to this semi-annual report.

ITEM 8. PORTFOLIO MANAGERS OF CLOSED-END MANAGEMENT INVESTMENT COMPANIES.

Not applicable to this semi-annual report.

ITEM. 9.  PURCHASES OF EQUITY SECURITIES BY CLOSED-END MANAGEMENT INVESTMENT
          COMPANY AND AFFILIATED PURCHASERS




                                                   REGISTRANT PURCHASES OF EQUITY SECURITIES

                                                               (c) Total Number of Shares      (d) Maximum Number (or Approximate
  Period         (a) Total Number         (b) Average Price    (or Units) Purchased as Part     Dollar Value) of Shares (or Units)
                     of Shares               Paid per Share       of Publicly Announced         that May Yet Be Purchased Under
   2006         (or Units) Purchased            (or Unit)           Plans or Programs               the Plans or Programs
------------------------------------------------------------------------------------------------------------------------------------
                                                                                     
01/01-01/31            93600                  35.8364               93600                        660000

02/01-02/28            97900                  36.6130               97900                        562100

03/01-03/31            37200                  37.0097               37200                        524900

04/01-04/30            79300                  37.6870               79300                        445600

05/01-05/31           102600                  37.6683              102600                        343000

06/01-06/30            29000                  35.8809               29000                        314000
                     -------                 --------              ------                        ------
Total                 439600                                       439600
                     =======                                       ======

        Note - On December 14, 2005, the Board of Directors authorized and the registrant announced the repurchase of up to 750,000
               shares of the registrant's common stock when the shares are trading at a discount from the underlying net asset value
               of at least 8%.  This represented a continuation of a repurchase program which began in March 1995.  As of the
               beginning of the period, January 1, 2006, there were 753,600 shares available for repurchase under such
               authorization.  As of the end of the period, June 30, 2006, there were 314,000 shares  available for repurchase
               under this program.




ITEM 10. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.

There have been no material changes to the procedures by which shareholders may
recommend nominees to the registrant's board of directors as set forth in the
registrant's Proxy Statement, dated February 28, 2006.

ITEM 11. CONTROLS AND PROCEDURES.

Conclusions of principal officers concerning controls and procedures

(a) As of July 12, 2006, an evaluation was performed  under the  supervision and
with the  participation of the officers of General American  Investors  Company,
Inc. (the  "Registrant"),  including the principal executive officer ("PEO") and
principal  financial  officer  ("PFO"),  to  assess  the  effectiveness  of  the
Registrant's disclosure controls and procedures.  Based on that evaluation,  the
Registrant's  officers,  including the PEO and PFO,  concluded that, as of July
12, 2006, the  Registrant's  disclosure  controls and procedures were reasonably
designed so as to ensure:(1)  that  information  required to be disclosed by the
Registrant on Form N-CSR is recorded, processed,  summarized and reported within
the time periods specified by the rules and forms of the Securities and Exchange
Commission, and (2) that material information relating to the Registrant is made
known to the PEO and PFO as  appropriate to allow timely  discussions  regarding
required disclosure.

(b) There have been no significant changes in the Registrant's  internal control
over  financial  reporting  that occurred during the  Registrant's second fiscal
quarter of the period covered by this report that has materially  affected,  or
is  reasonably  likely to materially affect, the Registrant's internal control
over financial reporting.

ITEM 12. EXHIBITS

(a)(1) The code of ethics  disclosure  required by Item 2 is not  applicable  to
this semi-annual report.

(a)(2)  Certifications  of the  principal  executive  officer and the  principal
financial officer pursuant to Rule 30a-2(a)under the Investment Company Act of
1940.

(a)(3) There were no written  solicitations  to purchase  securities  under Rule
23c-1 under the Investment  Company Act of 1940 during the period covered by the
report.

(b)  Certifications  of  the  principal  executive  officer  and  the  principal
financial officer, as required by Rule 30a-2(b) under the Investment Company Act
of 1940.

 16
SIGNATURES

     Pursuant to the requirements of the Securities and Exchange Act of 1934 and
the  Investment  Company Act of 1940, the registrant has duly caused this report
to be signed on its behalf by the undersigned, thereunto duly authorized.

General American Investors Company, Inc.

By: /s/Eugene S. Stark
    Eugene S. Stark
    Vice-President, Administration

Date: August 3, 2006

     Pursuant to the requirements of the Securities and Exchange Act of 1934 and
the  Investment  Company Act of 1940,  this report has been signed  below by the
following  persons on behalf of the  registrant and in the capacities and on the
dates indicated.

By: /s/Spencer Davidson
    Spencer Davidson
    President and Chief Executive Officer
    (Principal Executive Officer)

Date: August 3, 2006

By: /s/Eugene S. Stark
    Eugene S. Stark
    Vice-President, Administration
    (Principal Financial Officer)

Date: August 3, 2006