UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 2006
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name:GENERAL AMERICAN INVESTORS COMPANY, INC.
Address: 450 Lexington Ave, Suite 3300
New York, NY 10017
13F File Number: 28-461
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Eugene S. Stark
Title: Vice-President, Administration
Phone: 212-916-8447
Signature, Place, and Date of Signing:
Eugene S. Stark New York, NY May 05, 2006
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
Form 13F File Number Name
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934.
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 58
Form 13F Information Table Value Total: $1296364087
List of Other Included Managers:
No. 13F File Number Name
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
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VALUE SHARES/ SH/ PUT/ INVSTMT OTHER -----VOTING AUTHORITY-----
NAME OF ISSUER -TITLE OF CLASS- --CUSIP-- x$1000 PRN AMT PRN CALL DSCRETN -MANAGERS- SOLE SHARED NONE
ABB Ltd. ADR COMMON 000375204 14433 1150000 SH SOLE 1150000 0 0
Arch Capital Group Ltd. COMMON G0450A105 20209 350000 SH SOLE 350000 0 0
Adams Express Company COMMON 006212104 1397 105075 SH SOLE 105075 0 0
American International Group,Inc COMMON 026874107 23132 350000 SH SOLE 350000 0 0
Alkermes, Inc. COMMON 01642T108 5292 240000 SH SOLE 240000 0 0
The Allstate Corporation COMMON 020002101 14330 275000 SH SOLE 275000 0 0
American Tower Corporation COMMON 029912201 20466 675000 SH SOLE 675000 0 0
Apache Corporation COMMON 037411105 43564 665000 SH SOLE 665000 0 0
AXIS Capital Holdings Limited COMMON G0692U109 5980 200000 SH SOLE 200000 0 0
Bank of America Corporation COMMON 060505104 12751 280000 SH SOLE 280000 0 0
Bed Bath & Beyond Inc. COMMON 075896100 7680 200000 SH SOLE 200000 0 0
Bancroft Convertible Fund COMMON 059695106 405 21578 SH SOLE 21578 0 0
Biogen Idec Inc. COMMON 09062X103 8007 170000 SH SOLE 170000 0 0
Berkshire Hathaway Inc. Class A COMMON 084670108 27105 300 SH SOLE 300 0 0
Brooks Automation, Inc. COMMON 114340102 4600 323000 SH SOLE 323000 0 0
Cephalon, Inc. COMMON 156708109 9038 150000 SH SOLE 150000 0 0
Central Securities Corporation COMMON 155123102 641 26055 SH SOLE 26055 0 0
Costco Wholesale Corporation COMMON 22160K105 37912 700000 SH SOLE 700000 0 0
Cisco Systems, Inc. COMMON 17275R102 19503 900000 SH SOLE 900000 0 0
CEMEX, S.A. de C.V. ADR COMMON 151290889 74618 1143041 SH SOLE 1143041 0 0
Cytokinetics, Incorporated COMMON 23282W100 4410 604900 SH SOLE 604900 0 0
Diageo plc COMMON 25243Q205 22201 350000 SH SOLE 350000 0 0
Dollar General Corporation COMMON 256669102 13253 750000 SH SOLE 750000 0 0
Genentech, Inc. COMMON 368710406 25776 305000 SH SOLE 305000 0 0
EMC Corporation COMMON 268648102 4089 300000 SH SOLE 300000 0 0
EMCORE Corporation COMMON 290846104 1020 100000 SH SOLE 100000 0 0
EOG Resources, Inc. COMMON 26875P101 14400 200000 SH SOLE 200000 0 0
Golden West Financial COMMON 381317106 39722 585000 SH SOLE 585000 0 0
Halliburton Company COMMON 406216101 32129 440000 SH SOLE 440000 0 0
The Home Depot, Inc. COMMON 437076102 66411 1570000 SH SOLE 1570000 0 0
Lamar Advertising Company COMMON 512815101 18414 350000 SH SOLE 350000 0 0
Medtronic, Inc. COMMON 585055106 22838 450000 SH SOLE 450000 0 0
MedImmune, Inc. COMMON 584699102 14632 400000 SH SOLE 400000 0 0
MetLife, Inc. COMMON 59156R108 13785 285000 SH SOLE 285000 0 0
MFA Mortgage Investments, Inc. COMMON 55272X102 8255 1300000 SH SOLE 1300000 0 0
Molex Incorporated Class A COMMON 608554200 16346 550000 SH SOLE 550000 0 0
Microsoft Corporation COMMON 594918104 38094 1400000 SH SOLE 1400000 0 0
M&T Bank Corporation COMMON 55261F104 35383 310000 SH SOLE 310000 0 0
North Fork Bancorporation, Inc. COMMON 659424105 13694 475000 SH SOLE 475000 0 0
Annaly Mortgage Management, Inc. COMMON 035710409 6070 500000 SH SOLE 500000 0 0
PepsiCo, Inc. COMMON 713448108 10113 175000 SH SOLE 175000 0 0
Pfizer Inc COMMON 717081103 48519 1947000 SH SOLE 1947000 0 0
PartnerRe Ltd. COMMON G6852T105 22663 365000 SH SOLE 365000 0 0
Patterson-UTI Energy, Inc. COMMON 703481101 31960 1000000 SH SOLE 1000000 0 0
Everest Re Group, Ltd. COMMON G3223R108 51354 550000 SH SOLE 550000 0 0
Republic Services, Inc. COMMON 760759100 49949 1175000 SH SOLE 1175000 0 0
Rio Tinto plc ADR COMMON 767204100 13455 65000 SH SOLE 65000 0 0
Royce Value Trust COMMON 780910105 2399 114908 SH SOLE 114908 0 0
SunTrust Banks, Inc. COMMON 867914103 14552 200000 SH SOLE 200000 0 0
Constellation Brands, Inc. COMMON 21036P108 2505 100000 SH SOLE 100000 0 0
The TJX Companies, Inc. COMMON 872540109 62050 2500000 SH SOLE 2500000 0 0
Talisman Energy Inc. COMMON 87425E103 53180 1000000 SH SOLE 1000000 0 0
Total S.A. ADR COMMON 89151E109 43471 330000 SH SOLE 330000 0 0
Transatlantic Holdings, Inc. COMMON 893521104 13151 225000 SH SOLE 225000 0 0
VeriSign, Inc. COMMON 92343E102 3203 133500 SH SOLE 133500 0 0
Weatherford International Ltd. COMMON G95089101 55815 1220000 SH SOLE 1220000 0 0
Wal-Mart Stores, Inc. COMMON 931142103 27163 575000 SH SOLE 575000 0 0
Xerox Corporation COMMON 984121103 28880 1900000 SH SOLE 1900000 0 0