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BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST, INC.

Regulatory Filings Sep 28, 2009

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N-Q 1 bkn.htm BKN bkn.htm - Produced by Pellegrini and Associates, Inc. | 134 Spring Street New York NY 10012 | (212) 925-5151 $$/page=

UNITEDSTATES SECURITIESANDEXCHANGECOMMISSION Washington,D.C.20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-07354 Name of Fund: BlackRock Investment Quality Municipal Trust, Inc. (BKN) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer, BlackRock Investment Quality Municipal Trust, Inc., 40 East 52 nd Street, New York, NY 10022. Registrant’s telephone number, including area code: (800) 882-0052, Option 4 Date of fiscal year end: 04/30/2010 Date of reporting period: 07/31/2009 Item 1 – Schedule of Investments

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Arizona - 5.7% City of Goodyear Arizona, GO (FSA), 4.25%, 7/01/36 $ 2,125 $ 1,859,247
Glendale Municipal Property Corp., Arizona, RB, Series A
(FSA), 4.50%, 7/01/32 1,150 1,079,505
Mohave County Unified School District No. 20 Kingman, GO,
School Improvement, Project 2006, Series C (AGC), 5.00%,
7/01/26 1,800 1,875,672
Salt Verde Financial Corp., RB, Senior, 5.00%, 12/01/32 1,035 814,442
Salt Verde Financial Corp., RB, Senior, 5.00%, 12/01/37 4,585 3,488,360
San Luis Facility Development Corp., RB, Senior Lien
Project, Regional Detention Center, 6.25%, 5/01/15 490 442,646
San Luis Facility Development Corp., RB, Senior Lien
Project, Regional Detention Center, 7.00%, 5/01/20 490 437,193
San Luis Facility Development Corp., RB, Senior Lien
Project, Regional Detention Center, 7.25%, 5/01/27 980 846,975
University Medical Center Corp., Arizona, RB, 6.50%, 7/01/39 750 754,298
11,598,338
California - 23.6% California County Tobacco Securitization Agency, RB, CAB,
Stanislaus, Sub-Series C, 6.30%, 6/01/55 (a) 7,090 63,172
California State Department of Veterans Affairs, California,
RB, Series B, AMT, 5.25%, 12/01/37 5,000 4,031,200
Carlsbad Unified School District, GO, Election, Series B,
6.09%, 5/01/34 (b) 1,500 844,035
County of Sacramento California, RB, Senior, Series A (FSA),
5.00%, 7/01/41 2,000 1,844,640
Dinuba Unified School District, GO, Election of 2006 (FSA),
5.63%, 8/01/31 250 257,025
Dinuba Unified School District, GO, Election of 2006 (FSA),
5.75%, 8/01/33 535 548,493
Foothill Eastern Transportation Corridor Agency, California,
Refunding RB, 5.75%, 1/15/40 3,495 2,708,695
Foothill Eastern Transportation Corridor Agency, California,
Refunding, RB, CAB, 5.88%, 7/15/28 (b) 7,000 5,750,850
Golden State Tobacco Securitization Corp., California, RB,
Asset Backed, Senior, Series A-1, 5.13%, 6/01/47 805 433,452
Portfolio Abbreviations
To simplify the listings of portfolio holdings in the Schedule of Investments, the names and descriptions of many of the
securities have been abbreviated according to the following list.
AGC Assured Guaranty Corp. GNMA Government National Mortgage Association
AMBAC American Municipal Bond Assurance Corp. GO General Obligation Bonds
AMT Alternative Minimum Tax (subject to) HFA Housing Finance Agency
CAB Capital Appreciation Bonds IDA Industrial Development Authority
CIFG CDC IXIS Financial Guarantee MBIA Municipal Bond Investors Assurance (National
COP Certificates of Participation Public Finance Guaranty Corp.)
EDA Economic Development Authority PILOT Payment in Lieu of Taxes
FGIC Financial Guaranty Insurance Co. RB Revenue Bonds
FSA Financial Security Assurance Inc. TAN Tax Anticipation Notes
1

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Los Altos School District, California, GO, CAB, Election of
1998, Series B (MBIA), 5.93%, 8/01/13 (a)(c) $ 10,945 $ 5,444,590
San Diego Community College District, California, GO, CAB,
Election of 2002, 6.11%, 8/01/19 (b) 4,200 2,325,456
State of California, GO, 5.00%, 2/01/32 5,340 4,978,215
State of California, GO, Various Purpose, 5.75%, 4/01/31 3,000 3,075,750
State of California, GO, Various Purpose, 5.00%, 6/01/32 4,545 4,234,440
State of California, GO, Various Purpose, 6.50%, 4/01/33 2,900 3,135,248
State of California, GO, Various Purpose (CIFG), 5.00%,
3/01/33 5,000 4,652,950
University of California, RB, Limited Project, Series B,
4.75%, 5/15/38 4,185 3,928,878
48,257,089
Colorado - 1.3% City of Colorado Springs Colorado, RB, Subordinate Lien,
Improvement, Series C (FSA), 5.00%, 11/15/45 1,030 1,003,014
Colorado Health Facilities Authority, RB, Series B (FSA),
5.25%, 3/01/36 1,750 1,715,507
2,718,521
Connecticut - 0.8% Mashantucket Western Pequot Tribe, RB, Sub-Series A,
5.50%, 9/01/28 (d) 3,000 1,594,260
District of Columbia - 2.1% District of Columbia Tobacco Settlement Financing Corp.,
RB, Asset Backed Bonds, 6.50%, 5/15/33 4,960 4,196,160
Florida - 12.9% County of Miami-Dade Florida, RB, CAB, Sub-Series A (MBIA),
5.20%, 10/01/32 (a) 4,225 833,592
County of Miami-Dade Florida, RB, CAB, Sub-Series A (MBIA),
5.21%, 10/01/33 (a) 4,000 731,880
County of Miami-Dade Florida, RB, CAB, Sub-Series A (MBIA),
5.21%, 10/01/34 (a) 4,580 779,241
County of Miami-Dade Florida, RB, CAB, Sub-Series A (MBIA),
5.22%, 10/01/35 (a) 5,000 793,450
County of Miami-Dade Florida, RB, CAB, Sub-Series A (MBIA),
5.23%, 10/01/36 (a) 10,000 1,484,600
County of Miami-Dade Florida, RB, CAB, Sub-Series A (MBIA),
5.24%, 10/01/37 (a) 10,000 1,340,600
County of Orange Florida, Refunding RB (Syncora), 4.75%,
10/01/32 5,000 4,536,150
Fishhawk Community Development District II, TAN, Series A,
6.13%, 5/01/34 1,990 1,588,080
Hillsborough County IDA, RB, National Gypsum, Series A,
AMT, 7.13%, 4/01/30 3,700 2,074,479
Miami Beach Health Facilities Authority, Refunding RB,
Mount Sinai Medical Center Florida, 6.75%, 11/15/21 3,770 3,183,388
Sumter Landing Community Development District, Florida,
RB, Sub-Series Series B, 5.70%, 10/01/38 3,685 2,361,201
Village Community Development District No. 6, Special
Assessment, 5.63%, 5/01/22 7,370 6,603,815
26,310,476
2

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Georgia - 1.6% City of Atlanta Georgia, RB (FSA), 5.00%, 11/01/34 $ 1,500 $ 1,482,915
Milledgeville & Baldwin County Development Authority, RB,
Georgia College & State University Foundation, 6.00%,
9/01/14 (c) 1,500 1,822,725
3,305,640
Hawaii - 1.2% Hawaii State Department of Budget & Finance, RB,
Refunding, Hawaiian Electric Co. Inc., Series D (AMBAC),
AMT, 6.15%, 1/01/20 2,500 2,504,600
Idaho - 1.7% Idaho Health Facilities Authority, RB, Trinity Health Group,
Series B, 6.25%, 12/01/33 2,500 2,638,950
Idaho Housing & Finance Association, RB, Grant & Revenue
Anticipation, Federal Highway Trust, Series A, 5.00%,
7/15/27 900 921,249
3,560,199
Illinois - 8.2% CenterPoint Intermodal Center Program Trust, TAN, 144A,
8.00%, 6/15/23 (d) 1,920 998,976
Chicago Public Building Commission Building, Illinois, RB,
Series A (MBIA), 7.00%, 1/01/20 (e) 5,000 6,464,350
Illinois Finance Authority, RB, Friendship Village
Schaumburg, Series A, 5.63%, 2/15/37 690 460,161
Illinois Finance Authority, RB, Illinois Rush University
Medical Center, Series C, 6.63%, 11/01/39 1,200 1,204,536
Illinois Finance Authority, RB, MJH Education Assistance IV,
Sub-Series B, 5.38%, 6/01/35 (f)(g) 700 68,775
Illinois Finance Authority, RB, Monarch Landing Inc.
Facilities, Series A, 7.00%, 12/01/37 1,156 653,765
Illinois Finance Authority, RB, Northwestern Memorial
Hospital, Series A, 5.50%, 8/15/14 (c) 5,800 6,789,654
16,640,217
Iowa - 1.8% Iowa Finance Authority, RB, Series A, Remarketed (AGC),
5.63%, 8/15/37 3,600 3,582,288
Kentucky - 3.9% Kentucky Economic Development Finance Authority,
Kentucky, RB, Louisville Arena, Sub-Series A-1 (AGC), 6.00%,
12/01/38 700 719,236
Kentucky Economic Development Finance Authority, Kentucky, RB,
Norton Healthcare Inc., Series B (MBIA), 6.19%, 10/01/23 (a) 13,500 5,015,385
Louisville, Jefferson County Metropolitan Government, RB, Jewish
Hospital Saint Mary's Healthcare, 6.13%, 2/01/37 2,250 2,242,575
7,977,196
Maryland - 1.6% Maryland Community Development Administration, RB,
Residential, Series A, AMT, 4.80%, 9/01/42 3,000 2,599,170
Maryland Health & Higher Educational Facilities Authority,
RB, FHA Insured Mortgage, Western Maryland Health, Series
A (MBIA), 4.75%, 7/01/36 750 656,227
3,255,397
Michigan - 3.1% Michigan State Building Authority, Refunding RB, Facilities
Program, Series I, 6.25%, 10/15/38 1,876 2,006,081
3

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Michigan State Hospital Finance Authority, Michigan, RB,
Refunding, Henry Ford Health System, Series A, 5.25%,
11/15/46 $ 1,670 $ 1,268,849
Royal Oak Hospital Finance Authority, Michigan, RB, William
Beaumont Hospital, 8.25%, 9/01/39 2,750 3,102,193
6,377,123
Minnesota - 1.9% City of Minneapolis Minnesota, RB, Fairview Health Services,
Series B (AGC), 6.50%, 11/15/38 3,500 3,812,655
Mississippi - 3.9% Mississippi Development Bank Special Obligation, RB,
Jackson County Limited Tax Note (AGC), 5.50%, 7/01/32 2,655 2,685,214
Mississippi Development Bank SO, RB, Jones Co. Junior
College (AGC), 5.13%, 3/01/39 1,500 1,513,725
University of Southern Mississippi, RB, Campus Facilities
Improvement Project, 5.38%, 9/01/36 3,750 3,857,138
8,056,077
Missouri - 3.2% Missouri Housing Development Commission, RB,
Homeownership Loan Program, Series B-1 (GNMA), AMT,
5.05%, 3/01/38 4,376 4,378,150
Missouri Joint Municipal Electric Utility Commission, RB,
Plum Point Project (MBIA), 4.60%, 1/01/36 2,820 2,122,445
6,500,595
Multi-State - 4.8% Charter Mac Equity Issuer Trust, 7.60%, 11/30/50 (d)(h) 7,000 7,300,300
MuniMae TE Bond Subsidiary LLC, 7.75%, 6/30/50 (d)(h) 4,000 2,599,080
9,899,380
Nebraska - 1.3% Omaha Public Power District, RB, System, Series A, 4.75%,
2/01/44 2,765 2,583,201
Nevada - 0.9% County of Clark Nevada, Refunding RB, Alexander Dawson
School, Nevada Project, 5.00%, 5/15/29 2,065 1,936,516
New Jersey - 6.7% Middlesex County Improvement Authority, RB, Sub, Heldrich
Center Hotel, Series B, 6.25%, 1/01/37 1,510 769,889
New Jersey EDA, RB, Cigarette Tax, 5.75%, 6/15/29 7,000 5,823,300
New Jersey EDA, RB, Motor Vehicle Surcharge Revenue,
Series A (MBIA), 5.00%, 7/01/27 1,150 1,147,251
New Jersey Educational Facilities Authority, Refunding RB,
University Medical & Dentistry, Series B, 7.13%, 12/01/23 950 1,006,686
New Jersey Educational Facilities Authority, Refunding RB,
University Medical & Dentistry, Series B, 7.50%, 12/01/32 1,225 1,294,592
New Jersey Health Care Facilities Financing Authority, RB,
Virtua Health (AGC), 5.50%, 7/01/38 2,250 2,246,647
New Jersey State Housing & Mortgage Finance Agency, RB,
Series AA, 6.50%, 10/01/38 1,250 1,329,687
13,618,052
New York - 13.4% Albany Industrial Development Agency, RB, New Covenant
Charter School Project, Series A, 7.00%, 5/01/35 726 451,979
City of New York New York, GO, Sub-Series J-1, 4.50%,
5/15/30 1,500 1,425,585
4

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Hudson Yards Infrastructure Corp., RB, Series A (FGIC),
5.00%, 2/15/47 $ 1,400 $ 1,195,838
Long Island Power Authority, RB, General, Series C (CIFG),
5.25%, 9/01/29 2,000 2,044,940
Long Island Power Authority, RB, Series A, 6.25%, 4/01/33 480 530,942
Long Island Power Authority, RB, Series A, 5.75%, 4/01/39 2,475 2,575,856
Metropolitan Transportation Authority, RB, Series B, 5.00%,
11/15/34 1,200 1,177,608
Metropolitan Transportation Authority, Refunding RB,
Insured, Series A (MBIA), 5.00%, 11/15/25 750 755,137
New York City Industrial Development Agency, RB, American
Airlines, JFK International Airport, AMT, 7.63%, 8/01/25 2,600 2,043,080
New York City Industrial Development Agency, RB, Queens
Baseball Stadium, PILOT (AGC), 6.50%, 1/01/46 1,100 1,196,811
New York City Transitional Finance Authority, RB, Fiscal
2007, Series S-1 (MBIA), 5.00%, 7/15/24 2,000 2,030,920
New York Liberty Development Corp., RB, Goldman Sachs
Headquarters, 5.25%, 10/01/35 2,000 1,880,280
New York State Dormitory Authority, RB, 5.83%, 7/01/39 (b) 1,825 1,363,841
New York State Dormitory Authority, RB, Rochester Institute
Technology, Series A, 6.00%, 7/01/33 1,625 1,704,918
New York State Dormitory Authority, RB, University Rochester
Deferred Income, Series (MBIA), 7.22%, 7/01/10 (b)(c) 1,865 1,867,182
New York State Dormitory Authority, RB, University Rochester
Deferred Income, Series (MBIA), 7.27%, 7/01/10 (b)(c) 2,030 2,032,375
New York State Dormitory Authority, RB, University
Rochester, Series A, 5.13%, 7/01/39 550 542,927
New York State Dormitory Authority, RB, Yeshiva University,
5.00%, 9/01/38 500 490,210
Port Authority of New York & New Jersey, RB, Consolidated, One
Hundred Fifty, Second, AMT, 5.75%, 11/01/30 1,000 1,033,420
State of New York, GO, Series A, 5.00%, 2/15/39 950 960,764
27,304,613
North Carolina - 2.1% Gaston County Industrial Facilities & Pollution Control Financing
Authority, North Carolina, RB, Exempt Facilities, National Gypsum
Co. Project, AMT, 5.75%, 8/01/35 2,425 1,359,625
North Carolina Medical Care Commission, North Carolina,
RB, University Health System, Series D, 6.25%, 12/01/33 1,750 1,859,095
North Carolina Medical Care Commission, North Carolina,
RB, WakeMed, Series A (AGC), 5.88%, 10/01/38 1,000 1,028,790
4,247,510
Ohio - 4.6% County of Cuyahoga Ohio, Refunding RB, Series A, 6.00%,
1/01/20 3,485 3,716,996
County of Cuyahoga Ohio, Refunding RB, Series A, 6.00%,
1/01/21 5,000 5,308,750
5

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Ohio Air Quality Development Authority, Refunding RB,
Pollution, Dayton, Series B (FGIC), 4.80%, 1/01/34 $ 400 $ 401,948
9,427,694
Oklahoma - 1.2% Tulsa Municipal Airport Trust Trustees, Oklahoma, Refunding RB,
Series A Remarketed, AMT, 7.75%, 6/01/35 2,900 2,380,610
Oregon - 1.1% Oregon Health & Science University, RB, Series A, 5.75%,
7/01/39 2,250 2,251,553
Pennsylvania - 5.8% Delaware River Port Authority, RB, Port District Project,
Series B (FSA), 5.70%, 1/01/22 2,000 2,006,500
McKeesport Area School District, GO, CAB (FGIC), 5.53%,
10/01/31 (a)(e) 870 289,249
McKeesport Area School District, GO, CAB (FGIC), 5.53%,
10/01/31 (a) 2,435 600,666
Pennsylvania Economic Development Financing Authority,
RB, Amtrak Project, Series A, AMT, 6.25%, 11/01/31 2,000 1,784,040
Pennsylvania Economic Development Financing Authority,
RB, Amtrak Project, Series A, AMT, 6.38%, 11/01/41 3,100 2,752,583
Pennsylvania Economic Development Financing Authority, RB,
Reliant Energy, Series A-12-22-04, AMT, 6.75%, 12/01/36 4,645 4,311,768
11,744,806
Puerto Rico - 4.1% Puerto Rico Electric Power Authority, Refunding RB, Series
UU (FSA), 5.00%, 7/01/23 2,900 2,948,227
Puerto Rico HFA, RB, Sub, Capital Fund Modernization,
5.13%, 12/01/27 2,500 2,502,750
Puerto Rico Sales Tax Financing Corp., RB, First Sub-Series
A, 5.75%, 8/01/37 3,000 2,967,060
8,418,037
Rhode Island - 2.4% Rhode Island Health & Educational Building Corp., RB,
Balance, Hospital, Lifespan (MBIA), 5.50%, 5/15/16 200 200,058
Rhode Island Health & Educational Building Corp., RB,
Hospital Financing, Lifespan Obligation, Series A (AGC),
7.00%, 5/15/39 3,000 3,311,430
Rhode Island State & Providence Plantations, COP, Series C,
School For The Deaf (AGC), 5.38%, 4/01/28 1,330 1,323,696
4,835,184
South Carolina - 5.5% South Carolina Jobs-EDA, RB, Palmetto Health, C, 6.88%,
8/01/13 (c) 4,000 4,674,348
South Carolina Jobs-EDA, Refunding RB, Palmetto Health
Alliance, Series A, 6.25%, 8/01/31 2,185 2,037,097
South Carolina State Housing Finance & Development
Authority, South Carolina, RB, Series A-2 (AMBAC), AMT,
5.15%, 7/01/37 4,975 4,607,746
11,319,191
Tennessee - 3.4% Memphis-Shelby County Airport Authority, RB, Series D
(AMBAC), AMT, 6.00%, 3/01/24 4,865 4,884,314
Memphis-Shelby County Sports Authority Inc., Refunding RB,
Memphis Arena Project, Series A, 5.25%, 11/01/27 1,135 1,121,777
6

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Memphis-Shelby County Sports Authority Inc., Refunding RB,
Memphis Arena Project, Series A, 5.38%, 11/01/28 $ 1,000 $ 995,760
7,001,851
Texas - 12.7% City of Grapevine Texas, GO, Certificates Obligation (FGIC),
5.88%, 8/15/10 (c) 6,000 6,336,420
Harris County Health Facilities Development Corp.,
Refunding RB, Memorial Hermann Healthcare System, Series
B, 7.13%, 12/01/31 1,000 1,079,400
Harris County Health Facilities Development Corp.,
Refunding RB, Memorial Hermann Healthcare System, Series
B, 7.25%, 12/01/35 2,650 2,862,185
Harris County-Houston Sports Authority, Refunding RB, CAB,
Senior Lien, Series A (MBIA), 6.17%, 11/15/38 (a) 5,000 527,200
Lower Colorado River Authority, RB, Refunding &
Improvement (MBIA), 5.00%, 5/15/13 (c) 20 22,656
Lower Colorado River Authority, Refunding RB (AMBAC),
4.75%, 5/15/36 3,595 3,219,071
Lower Colorado River Authority, Refunding RB, Series A
(MBIA), 5.00%, 5/15/13 (c) 5 5,664
Matagorda County Navigation District No. 1, Texas,
Refunding RB, Central Power & Light Co. Project, Series A,
Remarketed, 6.30%, 11/01/29 2,200 2,282,060
SA Energy Acquisition Public Facility Corp., RB, Gas Supply
Revenue, 5.50%, 8/01/24 2,550 2,372,597
State of Texas, GO, Refunding, Water Financial Assistance,
5.75%, 8/01/22 1,000 1,030,700
Texas State Turnpike Authority, RB, CAB (AMBAC), 6.05%,
8/15/31 (a) 15,000 3,421,350
Texas State Turnpike Authority, RB, First Tier, Series A
(AMBAC), 5.00%, 8/15/42 3,325 2,765,768
25,925,071
Virginia - 0.8% Tobacco Settlement Financing Corp., Virginia, RB, Senior,
Series B-1, 5.00%, 6/01/47 2,900 1,575,541
Washington - 1.2% County of King Washington, Refunding RB (FSA) 5.00%,
1/01/36 200 199,700
Washington Health Care Facilities Authority, Washington, RB,
Multicare Health System, Series B (AGC), 6.00%, 8/15/39 2,100 2,149,854
2,349,554
Wisconsin - 1.5% Wisconsin Health & Educational Facilities Authority, RB,
Aurora Health Care, 6.40%, 4/15/33 3,220 3,090,910
Wyoming - 0.9% Wyoming Community Development Authority, Wyoming, RB,
Series 3, AMT, 4.75%, 12/01/37 2,145 1,857,377
Total Municipal Bonds - 152.9% 312,013,482
Municipal Bonds Transferred to
Tender Option Bond Trusts (i)
Colorado - 2.5% Colorado Health Facilities Authority, RB, Catholic Health,
Series C7 (FSA), 5.00%, 9/01/36 5,250 5,120,482
7

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BlackRock Investment Quality Municipal Trust — Schedule of Investments July 31, 2009 (Unaudited) (Percentages shown are based on Net Assets)
Municipal Bonds Transferred to Par
State Tender Option Bond Trusts (i) (000) Value
Illinois - 1.6% Chicago Housing Authority, Illinois, Refunding RB (FSA),
5.00%, 7/01/24 $ 3,194 $ 3,238,359
Massachusetts - 1.4% Massachusetts Water Resources Authority, Refunding RB,
Series A, 5.00%, 8/01/41 3,070 2,988,768
Ohio - 2.1% County of Montgomery, Ohio, RB, Catholic Health, Series C1
(FSA), 5.00%, 10/01/41 1,740 1,619,192
Ohio State Higher Educational Facility Commission, Refunding RB,
Hospital, Cleveland Clinic, Series A,
5.25%, 1/01/33 2,600 2,608,658
4,227,850
New York - 2.4% New York City Municipal Water Finance Authority, RB, Fiscal
2009, Series A, 5.75%, 6/15/40 690 739,010
New York City Municipal Water Finance Authority, RB, Series
FF-2, 5.50%, 6/15/40 809 850,964
New York State Dormitory Authority, RB, New York
University, Series A, 5.00%, 7/01/38 3,359 3,343,620
4,933,594
Total Municipal Bonds Transferred to
Tender Option Bond Trusts - 10.0% 20,509,053
Total Long-Term Investments (Cost - $356,116,940) - 162.9% 332,522,535
Short-Term Securities Shares
FFI Institutional Tax-Exempt Fund, 0.42% (j)(k) 8,400,000 8,400,000
Total Short-Term Securities (Cost - $8,400,000) - 4.1% 8,400,000
Total Investments (Cost - $364,516,940*) - 167.0% 340,922,535
Other Assets Less Liabilities - 0.2% 340,925
Liability for Trust Certificates, Including Interest
Expense and Fees Payable - (5.5)% (11,144,670)
Preferred Shares, at Redemption Value - (61.7)% (125,971,529)
Net Assets Applicable to Common Shares - 100.0% $ 204,147,261
* The cost and unrealized appreciation (depreciation) of investments as of July 31, 2009, as computed for
federal
income tax purposes, were as follows:
Aggregate cost $ 353,079,011
Gross unrealized appreciation $ 11,102,024
Gross unrealized depreciation (34,395,901)
Net unrealized depreciation $ (23,293,877)
(a) Represents a zero-coupon bond. Rate shown reflects the effective yield as of report date.
(b) Represents a step-up bond that pays an initial coupon rate for the first period and then a higher coupon rate for the
following periods. Rate shown reflects the effective yield as of report date.
(c) US government securities, held in escrow, are used to pay interest on this security as well as to retire the bond in
full
at the date indicated, typically at a premium to par.
(d) Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in
transactions exempt from registration to qualified institutional investors.
(e) Security is collateralized by Municipal or US Treasury Obligations.
(f) Non-income producing security.
(g) Issuer filed for bankruptcy and/or is in default of interest payments.
8

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BlackRock Investment Quality Municipal Trust
Schedule of Investments July 31, 2009 (Unaudited)
(h) Security represents a beneficial interest in a trust. The collateral deposited into the trust is federally tax-exempt
revenue bonds issued by various state or local governments, or their respective agencies or authorities. The
security is
subject to mandatory redemption at maturity.
(i) Securities represent bonds transferred to a tender option bond trust in exchange for which the Trust acquired residual
interest certificates. These securities serve as collateral in a financing transaction.
(j) Investments in companies considered to be an affiliate of the Trust, for purposes of Section 2(a)(3) of the Investment
Company Act of 1940, were as follows:
Net
Affiliate Activity Income
FFI Institutional Tax-Exempt Fund (3,000,000) $ 485
(k) Represents the current yield as of report date.
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BlackRock Investment Quality Municipal Trust
Schedule of Investments July 31, 2009 (Unaudited)
Ÿ Financial Accounting Standards Board Statement of Financial Accounting Standards No. 157, "Fair Value Measurements"
clarifies the definition of fair value, establishes a framework for measuring fair values and requires additional
disclosures about the use of fair value measurements. Various inputs are used in determining the fair value of
investments, which are as follows:
Ÿ Level 1 - price quotations in active markets/exchanges for identical securities
Ÿ Level 2 - other observable inputs (including, but not limited to: quoted prices for similar assets or liabilities
in markets that are active, quoted prices for identical or similar assets or liabilities in markets that are not
active, inputs other than quoted prices that are observable for the assets or liabilities (such as interest
rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates) or other
market-corroborated inputs)
Ÿ Level 3 - unobservable inputs based on the best information available in the circumstances, to the extent
observable inputs are not available (including the Fund's own assumptions used in determining the fair value
of investments)
The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with
investing in those securities.
The following table summarizes the inputs used as of July 31, 2009 in determining the fair valuation of the Trust's
investments:
Valuation Investments in
Inputs Securities
Assets
Level 1 - Short-Term Securities $ 8,400,000
Level 2 - Long-Term Investments 1 332,522,535
Level 3 -
Total $ 340,922,535
1 See above Schedule of Investments for values in each state or political classification.
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Item 2 – Controls and Procedures 2(a) – The registrant's principal executive and principal financial officers or persons performing similar functions have concluded that the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the “1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13(a)-15(b) under the Securities Exchange Act of 1934, as amended. 2(b) – There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant's last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. Item 3 – Exhibits Certifications – Attached hereto 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. BlackRock Investment Quality Municipal Trust, Inc. By: /s/Anne F. Ackerley Anne F. Ackerley Chief Executive Officer of BlackRock Investment Quality Municipal Trust, Inc. Date: September 22, 2009 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/Anne F. Ackerley Anne F. Ackerley Chief Executive Officer (principal executive officer) of BlackRock Investment Quality Municipal Trust, Inc. Date: September 22, 2009 By: /s/ Neal J. Andrews Neal J. Andrews Chief Financial Officer (principal financial officer) of BlackRock Investment Quality Municipal Trust, Inc. Date: September 22, 2009

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