UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANIES

Investment Company Act File Number

 

811-21225

Eaton Vance Insured Massachusetts
Municipal Bond Fund

(Exact Name of Registrant as Specified in Charter)

The Eaton Vance Building,
255 State Street, Boston, Massachusetts

 

02109

(Address of Principal Executive Offices)

 

(Zip code)

Alan R. Dynner, Esq.
Eaton Vance Management, 255 State Street, Boston, Massachusetts 02109

(Name and Address of Agent for Services)

Registrant’s Telephone Number, Including Area Code:

 

(617) 482-8260

Date of Fiscal Year End:

 

September 30

Date of Reporting Period:

 

June 30, 2006

 

 




Item 1. Schedule of Investments




Eaton Vance Insured Massachusetts Municipal Bond Fund                                                         as of June 30, 2006

PORTFOLIO OF INVESTMENTS (Unaudited)

Tax-Exempt Investments — 159.2%

Principal

 

 

 

 

 

Amount

 

 

 

 

 

(000’s omitted)

 

Security

 

Value

 

Escrowed / Prerefunded — 2.6%

 

 

 

$

600

 

Massachusetts Development Finance Agency, (Western New England College), Prerefunded to 12/1/12, 6.125%, 12/1/32

 

$

671,772

 

 

 

 

 

$

671,772

 

Hospital — 10.3%

 

 

 

1,500

 

Massachusetts HEFA, (Partners Healthcare System), 5.75%, 7/1/32

 

1,603,500

 

1,000

 

Massachusetts HEFA, (South Shore Hospital), 5.75%, 7/1/29

 

1,049,100

 

 

 

 

 

$

2,652,600

 

Insured-Electric Utilities — 4.0%

 

 

 

1,000

 

Puerto Rico Electric Power Authority, (FGIC), 5.00%, 7/1/35

 

1,025,140

 

 

 

 

 

$

1,025,140

 

Insured-Escrowed / Prerefunded — 21.9%

 

 

 

3,000

 

Massachusetts College Building Authority, (MBIA), Escrowed to Maturity, 0.00%, 5/1/26

 

1,161,810

 

1,600

 

Massachusetts Development Finance Agency, (WGBH Educational Foundation), (AMBAC), Prerefunded to 1/1/12, 5.375%, 1/1/42

 

1,723,440

 

1,000

 

Puerto Rico, (FGIC), Prerefunded to 7/1/12, Variable Rate, 6.613%, 7/1/32 (1)(2)

 

1,169,350

 

1,500

 

University of Massachusetts Building Authority, (AMBAC), Prerefunded to 11/1/14, 5.125%, 11/1/34

 

1,608,435

 

 

 

 

 

$

5,663,035

 

Insured-General Obligations — 9.6%

 

 

 

2,000

 

Massachusetts, (MBIA), 5.25%, 8/1/28

 

2,183,400

 

300

 

Sandwich, (MBIA), 4.50%, 7/15/29

 

293,049

 

 

 

 

 

$

2,476,449

 

Insured-Hospital — 6.0%

 

 

 

335

 

Massachusetts HEFA, (Lahey Clinic Medical Center), (FGIC), 4.50%, 8/15/35

 

314,066

 

1,210

 

Massachusetts HEFA, (New England Medical Center), (FGIC), 5.00%, 5/15/25

 

1,234,611

 

 

 

 

 

$

1,548,677

 

 

1




 

 

 

Insured-Lease Revenue / Certificates of Participation — 15.4%

 

 

 

$

1,750

 

Massachusetts Development Finance Agency, (MBIA), 5.125%, 2/1/34

 

$

1,784,370

 

1,000

 

Plymouth County Correctional Facility, (AMBAC), 5.00%, 4/1/22

 

1,019,400

 

1,000

 

Puerto Rico Public Building Authority, (CIFG), Variable Rate, 7.365%, 7/1/36 (1)(2)

 

1,174,740

 

 

 

 

 

$

3,978,510

 

Insured-Pooled Loans — 3.3%

 

 

 

800

 

Puerto Rico Municipal Finance Agency, (FSA), Variable Rate, 6.615%, 8/1/27 (1)(2)

 

849,088

 

 

 

 

 

$

849,088

 

Insured-Private Education — 24.4%

 

 

 

1,000

 

Massachusetts Development Finance Agency, (Boston University), (XLCA), 5.375%, 5/15/39

 

1,085,530

 

1,000

 

Massachusetts Development Finance Agency, (Boston University), (XLCA), 6.00%, 5/15/59

 

1,182,980

 

585

 

Massachusetts Development Finance Agency, (College of the Holy Cross), (AMBAC), 5.25%, 9/1/32

 

641,066

 

250

 

Massachusetts Development Finance Agency, (College of the Holy Cross), (AMBAC), Variable Rate, 7.32%, 9/1/32 (1)(2)

 

321,880

 

1,500

 

Massachusetts Development Finance Agency, (Franklin W. Olin College), (XLCA), 5.25%, 7/1/33

 

1,548,285

 

750

 

Massachusetts Development Finance Agency, (Massachusetts College of Pharmacy), (AGC), 5.00%, 7/1/35

 

758,400

 

500

 

Massachusetts Development Finance Agency, (Western New England College), (AGC), 5.00%, 9/1/33

 

506,020

 

250

 

Massachusetts IFA, (Tufts University), (MBIA), 4.75%, 2/15/28

 

248,482

 

 

 

 

 

$

6,292,643

 

Insured-Public Education — 11.5%

 

 

 

700

 

Massachusetts College Building Authority, (XLCA), 5.50%, 5/1/39

 

786,562

 

1,000

 

Massachusetts HEFA, (University of Massachusetts), (FGIC), 5.125%, 10/1/34

 

1,022,610

 

1,150

 

Massachusetts HEFA, (Worcester State College), (AMBAC), 5.00%, 11/1/32

 

1,173,379

 

 

 

 

 

$

2,982,551

 

Insured-Special Tax Revenue — 12.1%

 

 

 

1,280

 

Martha’s Vineyard Land Bank, (AMBAC), 5.00%, 5/1/32 (3)

 

1,302,528

 

750

 

Massachusetts Bay Transportation Authority, Revenue Assessment, (MBIA), 4.00%, 7/1/33

 

644,198

 

 

2




 

 

 

$

1,000

 

Massachusetts School Building Authority, Sales Tax, (FSA), 5.00%, 8/15/30

 

$

1,023,120

 

500

 

Puerto Rico Infrastructure Financing Authority, (FGIC), 0.00%, 7/1/30

 

153,965

 

 

 

 

 

$

3,123,811

 

Insured-Transportation — 13.8%

 

 

 

5,700

 

Massachusetts Turnpike Authority, (MBIA), 0.00%, 1/1/28

 

1,958,634

 

1,250

 

Massachusetts Turnpike Authority, Metropolitan Highway System, (AMBAC), 5.00%, 1/1/39

 

1,256,775

 

335

 

Puerto Rico Highway and Transportation Authority, (MBIA), Variable Rate, 6.617%, 7/1/36 (1)(2)

 

362,477

 

 

 

 

 

$

3,577,886

 

Insured-Water and Sewer — 14.6%

 

 

 

1,500

 

Massachusetts Water Resource Authority, (AMBAC), 4.00%, 8/1/40

 

1,246,095

 

2,500

 

Massachusetts Water Resource Authority, (FSA), 5.00%, 8/1/32

 

2,534,575

 

 

 

 

 

$

3,780,670

 

Nursing Home — 2.8%

 

 

 

745

 

Massachusetts Development Finance Agency, (Berkshire Retirement Community, Inc./Edgecombe), 5.15%, 7/1/31

 

711,840

 

 

 

 

 

$

711,840

 

Private Education — 6.9%

 

 

 

500

 

Massachusetts Development Finance Agency, (Massachusetts College of Pharmacy), 5.75%, 7/1/33

 

520,805

 

750

 

Massachusetts Development Finance Agency, (Middlesex School), 5.00%, 9/1/33

 

756,923

 

500

 

Massachusetts HEFA, (Boston College), 5.125%, 6/1/24

 

513,835

 

 

 

 

 

$

1,791,563

 

Total Tax-Exempt Investments — 159.2%
(identified cost $39,967,029)

 

$        41,126,235

 

Other Assets, Less Liabilities — 0.8%

 

$

204,800

 

Auction Preferred Shares Plus Cumulative Unpaid Dividends — (60.0)%

 

$

(15,501,486

)

Net Assets Applicable to Common Shares — 100.0%

 

$

25,829,549

 

 

AGC

Assured Guaranty Corp.

AMBAC

AMBAC Financial Group, Inc.

CIFG

CDC IXIS Financial Guaranty North America, Inc.

FGIC

Financial Guaranty Insurance Company

FSA

Financial Security Assurance, Inc.

MBIA

Municipal Bond Insurance Association

XLCA

XL Capital Assurance, Inc.

 

3




 

 

The Fund invests primarily in debt securities issued by Massachusetts municipalities. The ability of the issuers of the debt securities to meet their obligations may be affected by economic developments in a specific industry or municipality. In order to reduce the risk associated with such economic developments, at June 30, 2006, 85.8% of total investments are backed by bond insurance of various financial institutions and financial guaranty assurance agencies. The aggregate percentage insured by an individual financial institution ranged from 2.9% to 25.0% of total investments.

(1)

Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be sold in transactions exempt from registration, normally to qualified institutional buyers. At June 30, 2006, the aggregate value of the securities is $3,877,535 or 15.0% of the Fund’s net assets applicable to common shares.

(2)

Security has been issued as a leveraged inverse floater bond. The stated interest rate represents the rate in effect at June 30, 2006.

(3)

Security (or a portion thereof) has been segregated to cover margin requirements on open financial futures contracts.

 

A summary of financial instruments at June 30, 2006 is as follows:

Futures Contracts

Expiration

 

 

 

 

 

Aggregate

 

 

 

Net
Unrealized

 

Date(s)

 

Contracts

 

Position

 

Cost

 

Value

 

Depreciation

 

09/06

 

65 U.S. Treasury Bond

 

 

Short

 

 

$

(6,925,270

)

$

(6,932,656

)

 

$

(7,386

)

 

 

At June 30, 2006, the Fund had sufficient cash and/or securities to cover commitments under these contracts.

The cost and unrealized appreciation (depreciation) in value of the investments owned at June 30, 2006, as computed on a federal income tax basis, were as follows:

Aggregate cost

 

$

39,941,700

 

Gross unrealized appreciation

 

$

1,407,903

 

Gross unrealized depreciation

 

(223,368

)

Net unrealized appreciation

 

$

1,184,535

 

 

4




Item 2. Controls and Procedures

(a) It is the conclusion of the registrant’s principal executive officer and principal financial officer that the effectiveness of the registrant’s current disclosure controls and procedures (such disclosure controls and procedures having been evaluated within 90 days of the date of this filing) provide reasonable assurance that the information required to be disclosed by the registrant on this Form N-Q has been recorded, processed, summarized and reported within the time period specified in the Commission’s rules and forms and that the information required to be disclosed by the registrant on this Form N-Q has been accumulated and communicated to the registrant’s principal executive officer and principal financial officer in order to allow timely decisions regarding required disclosure.

(b) There have been no changes in the registrant’s internal controls over financial reporting during the fiscal quarter for which the report is being filed that have materially affected, or are reasonably likely to materially affect the registrant’s internal control over financial reporting.




Signatures

Pursuant to the requirements of the Securities 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.

Eaton Vance Insured Massachusetts Municipal Bond Fund

By:

 

/s/ Robert B. MacIntosh

 

 

Robert B. MacIntosh

 

 

President and Principal Executive Officer

Date:

 

August 28, 2006

 

Pursuant to the requirements of the Securities 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/ Robert B. MacIntosh

 

 

Robert B. MacIntosh

 

 

President and Principal Executive Officer

Date:

 

August 28, 2006

By:

 

/s/ Barbara E. Campbell

 

 

Barbara E. Campbell

 

 

Treasurer and Principal Financial Officer

Date:

 

August 28, 2006