Nuveen AMT-Free Municipal Credit Income Fund

Regulatory Filings • Sep 29, 2008

N-Q 1 nq1.htm NVG Form N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-09475

Nuveen Insured Dividend Advantage Municipal Fund (Exact name of registrant as specified in charter)

Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code)

Kevin J. McCarthy Vice President and Secretary 333 West Wacker Drive, Chicago, Illinois 60606 (Name and address of agent for service)

Registrant's telephone number, including area code: 312-917-7700

Date of fiscal year end: 10/31

Date of reporting period: 7/31/08

Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (§§ 239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after the close of the first and third fiscal quarters, pursuant to rule 30b1-5 under the Investment Company Act of 1940 (17 CFR 270.30b1-5). The Commission may use the information provided on Form N-Q in its regulatory, disclosure review, inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-Q, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-Q unless the Form displays a currently valid Office of Management and Budget ("OMB") control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to the Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. § 3507.

Item 1. Schedule of Investments

	Portfolio of Investments (Unaudited)
	Nuveen Insured Dividend Advantage Municipal Fund (NVG)
	July 31, 2008
Principal		Optional Call
Amount (000)	Description (1)	Provisions (2)	Ratings (3)	Value
	Long-Term Municipal Bonds – 159.5% (99.2% of Total Investments)
	Alabama – 4.4% (2.7% of Total Investments)
$ 5,310	Athens, Alabama, Water and Sewerage Revenue Warrants, Series 2002, 5.300%, 5/01/32 –	5/12 at 101.00	AA	$ 5,380,676
	MBIA Insured
3,045	Hoover, Alabama, General Obligation Bonds, Series 2003, 5.000%, 3/01/20 – MBIA Insured	3/12 at 101.00	AA	3,138,451
10,000	Jefferson County, Alabama, Sewer Revenue Capital Improvement Warrants, Series 1999A, 5.375%,	2/09 at 101.00	AAA	10,273,100
	2/01/36 (Pre-refunded 2/01/09) – FGIC Insured
18,355	Total Alabama			18,792,227
	Alaska – 3.8% (2.4% of Total Investments)
15,000	Alaska, International Airport System Revenue Bonds, Series 2002B, 5.250%, 10/01/27	10/12 at 100.00	AA (4)	16,302,900
	(Pre-refunded 10/01/12) – AMBAC Insured
	Arizona – 2.2% (1.3% of Total Investments)
5,000	Phoenix, Arizona, Civic Improvement Corporation, Senior Lien Airport Revenue Bonds, Series	7/12 at 100.00	AA–	4,646,400
	2002B, 5.250%, 7/01/32 – FGIC Insured (Alternative Minimum Tax)
6,000	Phoenix, Arizona, Civic Improvement Revenue Bonds, Civic Plaza, Series 2005B, 0.000%, 7/01/37 –	No Opt. Call	AA	4,617,720
	FGIC Insured
11,000	Total Arizona			9,264,120
	California – 17.5% (10.9% of Total Investments)
2,000	Alameda Corridor Transportation Authority, California, Subordinate Lien Revenue Bonds, Series	No Opt. Call	AA	1,047,120
	2004A, 0.000%, 10/01/20 – AMBAC Insured
	California Educational Facilities Authority, Revenue Bonds, Occidental College, Series 2005A:
1,485	5.000%, 10/01/26 – MBIA Insured	10/15 at 100.00	Aa3	1,509,933
1,565	5.000%, 10/01/27 – MBIA Insured	10/15 at 100.00	Aa3	1,587,473
6,000	California Infrastructure Economic Development Bank, First Lien Revenue Bonds, San Francisco	1/28 at 100.00	Aaa	6,405,660
	Bay Area Toll Bridge, Series 2003A, 5.000%, 7/01/33 (Pre-refunded
	1/01/28) – AMBAC Insured (UB)
	California, General Obligation Bonds, Series 2000:
375	5.250%, 9/01/17 (Pre-refunded 9/01/10) – MBIA Insured	9/10 at 100.00	AA (4)	396,019
190	5.250%, 9/01/17 (Pre-refunded 9/01/10) – MBIA Insured	9/10 at 100.00	AA (4)	201,966
10,000	California, General Obligation Refunding Bonds, Series 2002, 5.000%, 2/01/23 – MBIA Insured	2/12 at 100.00	AA	10,092,600
8,890	California, General Obligation Veterans Welfare Bonds, Series 1997BH, 5.400%, 12/01/14	12/08 at 101.00	AA–	8,985,301
	(Alternative Minimum Tax)
3,000	California, General Obligation Veterans Welfare Bonds, Series 2001BZ, 5.375%, 12/01/24 – MBIA	12/08 at 100.00	AA	2,998,140
	Insured (Alternative Minimum Tax)
2,425	Fullerton Public Financing Authority, California, Tax Allocation Revenue Bonds, Series 2005,	9/15 at 100.00	AA	2,404,291
	5.000%, 9/01/27 – AMBAC Insured
	Golden State Tobacco Securitization Corporation, California, Enhanced Tobacco Settlement
	Asset-Backed Bonds, Series 2007A-1:
1,000	5.750%, 6/01/47	6/17 at 100.00	BBB	821,300
365	5.125%, 6/01/47	6/17 at 100.00	BBB	269,450
18,665	Golden State Tobacco Securitization Corporation, California, Tobacco Settlement Asset-Backed	6/15 at 100.00	A2	16,902,464
	Revenue Bonds, Series 2005A, 5.000%, 6/01/35 – FGIC Insured (UB)
1,990	Kern Community College District, California, General Obligation Bonds, Series 2006, 0.000%,	No Opt. Call	AAA	809,632
	11/01/25 – FSA Insured
7,935	Los Angeles, California, Certificates of Participation, Series 2002, 5.300%, 4/01/32 –	4/12 at 100.00	AA	7,984,276
	AMBAC Insured
2,220	Northern California Power Agency, Revenue Refunding Bonds, Hydroelectric Project 1, Series	7/10 at 100.00	AAA	2,223,508
	1998A, 5.200%, 7/01/32 – MBIA Insured
2,320	Sacramento Municipal Utility District, California, Electric Revenue Bonds, Series 2001P,	8/11 at 100.00	AAA	2,406,142
	5.250%, 8/15/18 – FSA Insured
6,720	San Jose Redevelopment Agency, California, Tax Allocation Bonds, Merged Area Redevelopment	8/17 at 100.00	AA	5,921,328
	Project, Series 2006C, 4.250%, 8/01/30 – MBIA Insured (UB)
1,690	Ventura County Community College District, California, General Obligation Bonds, Series 2005B,	8/15 at 100.00	AA	1,695,932
	5.000%, 8/01/28 – MBIA Insured
78,835	Total California			74,662,535
	Colorado – 5.7% (3.6% of Total Investments)
17,300	Adams County, Colorado, FHA-Insured Mortgage Revenue Bonds, Platte Valley Medical Center,	8/15 at 100.00	AA	17,483,207
	Series 2005, 5.000%, 8/01/24 – MBIA Insured
750	Arkansas River Power Authority, Colorado, Power Revenue Bonds, Series 2006, 5.250%, 10/01/32 –	10/16 at 100.00	BBB	662,145
	XLCA Insured
17,000	E-470 Public Highway Authority, Colorado, Senior Revenue Bonds, Series 2000B, 0.000%, 9/01/25 –	No Opt. Call	AA	6,264,500
	MBIA Insured
35,050	Total Colorado			24,409,852
	District of Columbia – 1.6% (1.0% of Total Investments)
6,805	District of Columbia, Revenue Bonds, Georgetown University, Series 2007A, 4.500%, 4/01/42 –	4/17 at 100.00	AA	5,948,182
	AMBAC Insured
935	Washington Convention Center Authority, District of Columbia, Senior Lien Dedicated Tax	10/16 at 100.00	AA	674,827
	Revenue Bonds, Series 2007, Residuals 1606, 8.249%, 10/01/30 – AMBAC Insured (IF)
7,740	Total District of Columbia			6,623,009
	Florida – 11.7% (7.3% of Total Investments)
	Florida Municipal Loan Council, Revenue Bonds, Series 2003B:
2,305	5.250%, 12/01/17 – MBIA Insured	12/13 at 100.00	AA	2,407,573
1,480	5.250%, 12/01/18 – MBIA Insured	12/13 at 100.00	AA	1,537,276
11,600	Greater Orlando Aviation Authority, Florida, Airport Facilities Revenue Bonds, Series 2002B,	10/12 at 100.00	AAA	11,408,484
	5.125%, 10/01/21 – FSA Insured (Alternative Minimum Tax)
8,155	Lee County, Florida, Solid Waste System Revenue Refunding Bonds, Series 2001, 5.625%, 10/01/13 –	10/11 at 100.00	A2	8,316,795
	MBIA Insured (Alternative Minimum Tax)
	Miami-Dade County, Florida, Aviation Revenue Bonds, Miami International Airport, Series 2002:
7,165	5.625%, 10/01/15 – FGIC Insured (Alternative Minimum Tax)	10/12 at 100.00	A2	7,269,681
5,600	5.750%, 10/01/16 – FGIC Insured (Alternative Minimum Tax)	10/12 at 100.00	A2	5,684,728
10,000	5.125%, 10/01/21 – FGIC Insured (Alternative Minimum Tax)	10/12 at 100.00	A2	9,452,200
2,000	5.250%, 10/01/22 – FGIC Insured (Alternative Minimum Tax)	10/12 at 100.00	A2	1,909,420
1,000	South Miami Health Facilities Authority, Florida, Hospital Revenue, Baptist Health System	8/17 at 100.00	AA–	939,480
	Obligation Group, Series 2007, 5.000%, 8/15/42 (UB)
1,000	Tallahassee, Florida, Energy System Revenue Bonds, Series 2005, 5.000%, 10/01/28 – MBIA Insured	10/15 at 100.00	AA	1,008,920
50,305	Total Florida			49,934,557
	Georgia – 2.2% (1.4% of Total Investments)
6,925	Atlanta and Fulton County Recreation Authority, Georgia, Guaranteed Revenue Bonds, Park	12/15 at 100.00	AA	6,932,964
	Improvement, Series 2005A, 5.000%, 12/01/30 – MBIA Insured
1,000	Atlanta, Georgia, Water and Wastewater Revenue Bonds, Series 2004, 5.000%, 11/01/22 –	11/14 at 100.00	AAA	1,023,080
	FSA Insured
1,695	Georgia Housing and Finance Authority, Single Family Mortgage Bonds, Series 2002B-2, 5.500%,	12/11 at 100.00	AAA	1,600,402
	6/01/32 (Alternative Minimum Tax)
9,620	Total Georgia			9,556,446
	Idaho – 1.0% (0.6% of Total Investments)
	Idaho Housing and Finance Association, Grant and Revenue Anticipation Bonds, Federal Highway
	Trust Funds, Series 2006:
3,000	5.000%, 7/15/23 – MBIA Insured	7/16 at 100.00	Aa3	3,121,710
1,130	5.000%, 7/15/24 – MBIA Insured	7/16 at 100.00	Aa3	1,172,771
4,130	Total Idaho			4,294,481
	Illinois – 12.6% (7.8% of Total Investments)
10,000	Bolingbrook, Illinois, General Obligation Bonds, Series 2002A, 5.375%, 1/01/38 (Pre-refunded	1/12 at 100.00	A2 (4)	10,814,600
	1/01/12) – FGIC Insured
1,305	Chicago, Illinois, General Obligation Bonds, Series 2001A, 5.500%, 1/01/38 – MBIA Insured	1/11 at 101.00	AA	1,340,901
	Chicago, Illinois, General Obligation Bonds, Series 2001A:
50	5.500%, 1/01/38 (Pre-refunded 1/01/11) – MBIA Insured	1/11 at 101.00	AA (4)	53,740
3,645	5.500%, 1/01/38 (Pre-refunded 1/01/11) – MBIA Insured	1/11 at 101.00	AA (4)	3,917,646
	Chicago, Illinois, Second Lien Passenger Facility Charge Revenue Bonds, O’Hare International
	Airport, Series 2001C:
4,250	5.500%, 1/01/16 – AMBAC Insured (Alternative Minimum Tax)	1/11 at 101.00	AA	4,307,800
4,485	5.500%, 1/01/17 – AMBAC Insured (Alternative Minimum Tax)	1/11 at 101.00	AA	4,530,612
4,730	5.500%, 1/01/18 – AMBAC Insured (Alternative Minimum Tax)	1/11 at 101.00	AA	4,764,860
2,930	5.500%, 1/01/19 – AMBAC Insured (Alternative Minimum Tax)	1/11 at 101.00	AA	2,939,786
3,600	Chicago, Illinois, Third Lien General Airport Revenue Bonds, O’Hare International Airport,	1/16 at 100.00	AA	3,628,404
	Series 2005A, 5.250%, 1/01/24 – MBIA Insured
3,000	Chicago, Illinois, Third Lien General Airport Revenue Refunding Bonds, O’Hare International	1/12 at 100.00	AA	3,035,940
	Airport, Series 2002A, 5.750%, 1/01/17 – MBIA Insured (Alternative Minimum Tax)
4,000	Cicero, Cook County, Illinois, General Obligation Corporate Purpose Bonds, Series 2002,	12/12 at 101.00	AA	4,058,040
	5.000%, 12/01/21 – MBIA Insured
480	DuPage County Community School District 200, Wheaton, Illinois, General Obligation Bonds,	10/13 at 100.00	Aaa	507,110
	Series 2003C, 5.250%, 10/01/22 – FSA Insured
	DuPage County Community School District 200, Wheaton, Illinois, General Obligation Bonds,
	Series 2003C:
770	5.250%, 10/01/22 (Pre-refunded 10/01/13) – FSA Insured	10/13 at 100.00	Aaa	847,092
250	5.250%, 10/01/22 (Pre-refunded 10/01/13) – FSA Insured	10/13 at 100.00	Aaa	275,030
3,500	Illinois Municipal Electric Agency, Power Supply System Revenue Bonds, Series 2007A, 5.000%,	2/17 at 100.00	A+	3,332,280
	2/01/35 – FGIC Insured
5,000	Illinois, General Obligation Bonds, Illinois FIRST Program, Series 2002, 5.250%, 4/01/23 –	4/12 at 100.00	AAA	5,231,750
	FSA Insured
51,995	Total Illinois			53,585,591
	Indiana – 16.7% (10.4% of Total Investments)
3,380	Evansville, Indiana, Sewerage Works Revenue Refunding Bonds, Series 2003A, 5.000%, 7/01/20 –	7/13 at 100.00	AA	3,472,409
	AMBAC Insured
	Indiana Bond Bank, Special Program Bonds, Hendricks County Redevelopment District, Series 2002D:
2,500	5.375%, 4/01/23 (Pre-refunded 4/01/12) – AMBAC Insured	4/12 at 100.00	AA (4)	2,712,300
7,075	5.250%, 4/01/26 (Pre-refunded 4/01/12) – AMBAC Insured	4/12 at 100.00	AA (4)	7,645,245
7,000	5.250%, 4/01/30 (Pre-refunded 4/01/12) – AMBAC Insured	4/12 at 100.00	AA (4)	7,564,200
10,000	Indiana Health Facility Financing Authority, Hospital Revenue Bonds, Marion General Hospital,	7/12 at 100.00	AA	10,006,500
	Series 2002, 5.250%, 7/01/32 – AMBAC Insured
3,200	Indiana Municipal Power Agency, Power Supply Revenue Bonds, Series 2007A, 5.000%, 1/01/42 –	1/17 at 100.00	AA	3,047,872
	MBIA Insured
25,000	Indianapolis Local Public Improvement Bond Bank, Indiana, Waterworks Project, Series 2002A,	7/12 at 100.00	AAA	27,164,500
	5.250%, 7/01/33 (Pre-refunded 7/01/12) – MBIA Insured
	Northern Wells Community School Building Corporation, Wells County, Indiana, First Mortgage
	Bonds, Series 2001:
420	5.250%, 1/15/19 (Pre-refunded 7/15/12) – FGIC Insured	7/12 at 100.00	AA+ (4)	456,628
430	5.250%, 7/15/19 (Pre-refunded 7/15/12) – FGIC Insured	7/12 at 100.00	AA+ (4)	467,500
1,675	5.400%, 7/15/23 (Pre-refunded 7/15/12) – FGIC Insured	7/12 at 100.00	AA+ (4)	1,830,407
6,960	Valparaiso Middle School Building Corporation, Indiana, First Mortgage Refunding Bonds, Series	1/13 at 100.00	AA+	7,101,775
	2002, 5.000%, 7/15/24 – MBIA Insured
67,640	Total Indiana			71,469,336
	Louisiana – 4.9% (3.1% of Total Investments)
10,000	Louisiana Public Facilities Authority, Revenue Bonds, Archdiocese of New Orleans, Series 2007,	7/17 at 100.00	A–	8,445,600
	4.500%, 7/01/37 – CIFG Insured
1,500	Louisiana Public Facilities Authority, Revenue Bonds, Baton Rouge General Hospital, Series 2008,	7/14 at 100.00	AA	1,518,930
	5.250%, 7/01/24 – MBIA Insured (UB)
	Louisiana State, Gasoline and Fuels Tax Revenue Bonds, Series 2006:
770	4.750%, 5/01/39 – FSA Insured (UB)	5/16 at 100.00	AAA	726,072
8,270	4.500%, 5/01/41 – FGIC Insured (UB)	5/16 at 100.00	AA–	7,339,873
3	Louisiana State, Gasoline Tax Revenue Bonds, Series 2006, Residuals 660-1, 7.749%, 5/01/41 –	5/16 at 100.00	AA–	1,833
	FGIC Insured (IF)
3,085	New Orleans, Louisiana, General Obligation Refunding Bonds, Series 2002, 5.125%, 9/01/21 –	9/12 at 100.00	AA	3,057,328
	MBIA Insured
23,628	Total Louisiana			21,089,636
	Massachusetts – 0.1% (0.1% of Total Investments)
695	Massachusetts Water Resources Authority, General Revenue Bonds, Tender Option Bond Trust 2848,	2/17 at 100.00	AAA	406,853
	9.722%, 8/01/46 – FSA Insured (IF)
	Michigan – 0.3% (0.2% of Total Investments)
1,500	Michigan State Hospital Finance Authority, Revenue Bonds, Trinity Health Care Group, Series	12/16 at 100.00	AA	1,467,555
	2006A, 5.000%, 12/01/31 (UB)
	Missouri – 2.6% (1.6% of Total Investments)
1,600	St. Louis County Pattonville School District R3, Missouri, General Obligation Bonds, Series	3/14 at 100.00	AAA	1,710,528
	2004, 5.250%, 3/01/19 – FSA Insured
8,735	St. Louis, Missouri, Airport Revenue Bonds, Airport Development Program, Series 2001A, 5.250%,	7/11 at 100.00	AAA	9,333,959
	7/01/31 (Pre-refunded 7/01/11) – MBIA Insured
10,335	Total Missouri			11,044,487
	Nebraska – 2.0% (1.2% of Total Investments)
6,360	Lincoln, Nebraska, Electric System Revenue Bonds, Series 2005, 5.000%, 9/01/32	9/15 at 100.00	AA	6,374,755
	Municipal Energy Agency of Nebraska, Power Supply System Revenue Bonds, Series 2003A:
1,000	5.250%, 4/01/20 – FSA Insured	4/13 at 100.00	AAA	1,049,980
1,000	5.250%, 4/01/21 – FSA Insured	4/13 at 100.00	AAA	1,035,870
8,360	Total Nebraska			8,460,605
	Nevada – 2.2% (1.4% of Total Investments)
8,750	Truckee Meadows Water Authority, Nevada, Water Revenue Bonds, Series 2001A, 5.250%, 7/01/34	7/11 at 100.00	AAA	9,357,600
	(Pre-refunded 7/01/11) – FSA Insured
	New Jersey – 0.5% (0.3% of Total Investments)
2,150	New Jersey Transportation Trust Fund Authority, Transportation System Bonds, Series 2006A,	No Opt. Call	AA–	2,316,432
	5.250%, 12/15/20
	New York – 5.0 (3.1% of Total Investments)
1,120	Dormitory Authority of the State of New York, FHA-Insured Mortgage Revenue Bonds, Montefiore	2/15 at 100.00	N/R	1,107,198
	Hospital, Series 2004, 5.000%, 8/01/23 – FGIC Insured
3,660	Dormitory Authority of the State of New York, Revenue Bonds, Mental Health Services Facilities	2/15 at 100.00	AA	3,750,109
	Improvements, Series 2005B, 5.000%, 2/15/23 – AMBAC Insured
3,130	Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Series 2006A,	2/17 at 100.00	AA	2,730,988
	4.500%, 2/15/47 – MBIA Insured (UB)
2,400	Long Island Power Authority, New York, Electric System Revenue Bonds, Series 2006F,	11/16 at 100.00	AA	2,108,736
	4.250%, 5/01/33 – MBIA Insured (UB)
1,500	Metropolitan Transportation Authority, New York, Transportation Revenue Bonds, Series 2005B,	11/15 at 100.00	AA	1,468,320
	5.000%, 11/15/30 – AMBAC Insured
10,000	Metropolitan Transportation Authority, New York, Transportation Revenue Refunding Bonds,	11/12 at 100.00	AAA	10,091,400
	Series 2002A, 5.000%, 11/15/30 – FSA Insured
21,810	Total New York			21,256,751
	North Carolina – 0.5% (0.3% of Total Investments)
2,125	North Carolina Medical Care Commission, FHA-Insured Mortgage Revenue Bonds, Betsy Johnson	10/13 at 100.00	AAA	2,207,854
	Regional Hospital Project, Series 2003, 5.375%, 10/01/24 – FSA Insured
	Ohio – 0.6% (0.4% of Total Investments)
	Buckeye Tobacco Settlement Financing Authority, Ohio, Tobacco Settlement Asset-Backed Revenue
	Bonds, Senior Lien, Series 2007A-2:
70	5.125%, 6/01/24	6/17 at 100.00	BBB	62,408
710	5.875%, 6/01/30	6/17 at 100.00	BBB	614,122
685	5.750%, 6/01/34	6/17 at 100.00	BBB	567,084
1,570	5.875%, 6/01/47	6/17 at 100.00	BBB	1,275,531
3,035	Total Ohio			2,519,145
	Oklahoma – 0.4% (0.3% of Total Investments)
2,000	Oklahoma Development Finance Authority, Revenue Bonds, Saint John Health System, Series 2007,	2/17 at 100.00	AA–	1,915,020
	5.000%, 2/15/37
	Oregon – 1.6% (1.0% of Total Investments)
	Oregon, General Obligation Veterans Welfare Bonds, Series 82:
4,530	5.375%, 12/01/31	12/11 at 100.00	AA	4,567,418
2,115	5.500%, 12/01/42	12/11 at 100.00	AA	2,126,315
6,645	Total Oregon			6,693,733
	Pennsylvania – 3.5% (2.1% of Total Investments)
4,500	Allegheny County, Pennsylvania, Airport Revenue Refunding Bonds, Pittsburgh International	No Opt. Call	AA	4,671,765
	Airport, Series 1997A, 5.750%, 1/01/13 – MBIA Insured (Alternative Minimum Tax)
4,130	Pennsylvania Public School Building Authority, Lease Revenue Bonds, School District of	12/16 at 100.00	AAA	3,806,290
	Philadelphia, Series 2006B, 4.500%, 6/01/32 – FSA Insured (UB)
1,050	Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Series 2006A, 5.000%, 12/01/26 –	6/16 at 100.00	AA	1,051,953
	AMBAC Insured
2,000	Philadelphia Municipal Authority, Pennsylvania, Lease Revenue Bonds, Series 2003B, 5.250%,	11/13 at 100.00	AAA	2,133,200
	11/15/18 – FSA Insured
2,000	Reading School District, Berks County, Pennsylvania, General Obligation Bonds, Series 2005,	1/16 at 100.00	AAA	2,114,330
	5.000%, 1/15/19 – FSA Insured (UB)
1,000	State Public School Building Authority, Pennsylvania, Lease Revenue Bonds, Philadelphia School	6/13 at 100.00	AAA	1,081,000
	District, Series 2003, 5.000%, 6/01/23 (Pre-refunded 6/01/13) – FSA Insured
14,680	Total Pennsylvania			14,858,538
	Puerto Rico – 0.5% (0.3% of Total Investments)
1,225	Puerto Rico Municipal Finance Agency, Series 2005C, 5.250%, 8/01/21 – CIFG Insured	No Opt. Call	A–	1,225,343
5,000	Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Series 2007A, 0.000%,	No Opt. Call	A+	717,600
	8/01/42 – FGIC Insured
6,225	Total Puerto Rico			1,942,943
	South Carolina – 1.5% (0.9% of Total Investments)
1,950	Greenville County School District, South Carolina, Installment Purchase Revenue Bonds, Series	12/16 at 100.00	AAA	1,953,822
	2006, 5.000%, 12/01/28 – FSA Insured
	Greenville, South Carolina, Tax Increment Revenue Improvement Bonds, Series 2003:
1,000	5.500%, 4/01/17 – MBIA Insured	4/13 at 100.00	AA	1,075,340
2,300	5.000%, 4/01/21 – MBIA Insured	4/13 at 100.00	AA	2,345,356
1,000	Scago Educational Facilities Corporation, South Carolina, Installment Purchase Revenue Bonds,	10/15 at 100.00	AAA	1,037,600
	Spartanburg County School District 5, Series 2005, 5.000%, 4/01/21 – FSA Insured
6,250	Total South Carolina			6,412,118
	Tennessee – 10.2% (6.3% of Total Investments)
	Memphis, Tennessee, Sanitary Sewerage System Revenue Bonds, Series 2004:
1,495	5.000%, 10/01/19 – FSA Insured	10/14 at 100.00	AAA	1,566,326
1,455	5.000%, 10/01/20 – FSA Insured	10/14 at 100.00	AAA	1,513,171
1,955	5.000%, 10/01/21 – FSA Insured	10/14 at 100.00	AAA	2,023,503
10,000	Memphis-Shelby County Sports Authority, Tennessee, Revenue Bonds, Memphis Arena, Series 2002A,	11/12 at 100.00	AA (4)	10,831,200
	5.125%, 11/01/28 (Pre-refunded 11/01/12) – AMBAC Insured
10,000	Memphis-Shelby County Sports Authority, Tennessee, Revenue Bonds, Memphis Arena, Series 2002B,	11/12 at 100.00	AA (4)	10,831,200
	5.125%, 11/01/29 (Pre-refunded 11/01/12) – AMBAC Insured
15,195	Tennessee State School Bond Authority, Higher Educational Facilities Second Program Bonds,	5/12 at 100.00	AAA	16,464,542
	Series 2002A, 5.250%, 5/01/32 (Pre-refunded 5/01/12) – FSA Insured
40,100	Total Tennessee			43,229,942
	Texas – 25.5% (15.9% of Total Investments)
3,500	Dallas-Ft. Worth International Airport, Texas, Joint Revenue Refunding and Improvement Bonds,	11/11 at 100.00	A+	3,579,135
	Series 2001A, 5.750%, 11/01/13 – FGIC Insured (Alternative Minimum Tax)
10,000	Gainesville Hospital District, Texas, Limited Tax General Obligation Bonds, Series 2002,	8/11 at 100.00	A2	10,042,800
	5.375%, 8/15/32 – MBIA Insured
1,210	Galveston, Texas, General Obligation Bonds, Series 2001, 5.250%, 5/01/21 – AMBAC Insured	5/11 at 100.00	AAA	1,247,195
	Harris County Health Facilities Development Corporation, Texas, Thermal Utility Revenue Bonds,
	TECO Project, Series 2003:
2,240	5.000%, 11/15/16 – MBIA Insured	11/13 at 100.00	AA	2,322,768
2,355	5.000%, 11/15/17 – MBIA Insured	11/13 at 100.00	AA	2,427,157
13,000	Houston Area Water Corporation, Texas, Contract Revenue Bonds, Northeast Water Purification	3/12 at 100.00	N/R (4)	13,950,820
	Plant, Series 2002, 5.125%, 3/01/32 (Pre-refunded 3/01/12) – FGIC Insured
1,000	Houston, Texas, First Lien Combined Utility System Revenue Bonds, Series 2004A, 5.250%,	5/14 at 100.00	AA	1,011,850
	5/15/24 – FGIC Insured
4,345	San Antonio, Texas, Water System Senior Lien Revenue Refunding Bonds, Series 2002, 5.500%,	5/12 at 100.00	AAA	4,673,439
	5/15/17 – FSA Insured
5,875	Texas Department of Housing and Community Affairs, Residential Mortgage Revenue Bonds, Series	7/11 at 100.00	AAA	6,002,429
	2001A, 5.350%, 7/01/33 (Alternative Minimum Tax)
8,415	Texas Department of Housing and Community Affairs, Single Family Mortgage Bonds, Series 2002B,	3/12 at 100.00	AAA	7,895,626
	5.550%, 9/01/33 – MBIA Insured (Alternative Minimum Tax)
	Texas Public Finance Authority, Revenue Bonds, Texas Southern University Financing System,
	Series 2002:
3,520	5.125%, 11/01/20 – MBIA Insured	5/12 at 100.00	A2	3,578,502
3,520	5.125%, 11/01/21 – MBIA Insured	5/12 at 100.00	A2	3,567,626
	Texas Student Housing Authority, Revenue Bonds, Austin Project, Senior Series 2001A:
9,400	5.375%, 1/01/23 – MBIA Insured	1/12 at 102.00	A2	8,114,738
11,665	5.500%, 1/01/33 – MBIA Insured	1/12 at 102.00	A2	9,542,903
5,000	Texas Water Development Board, Senior Lien State Revolving Fund Revenue Bonds, Series 1999B,	1/10 at 100.00	AAA	5,177,450
	5.250%, 7/15/17
9,145	Texas, General Obligation Bonds, Veterans Housing Assistance Program Fund II, Series 2002A-1,	6/12 at 100.00	Aa1	9,201,059
	5.250%, 12/01/22 (Alternative Minimum Tax)
	Williamson County, Texas, General Obligation Bonds, Series 2002:
3,000	5.250%, 2/15/22 (Pre-refunded 2/15/12) – FSA Insured	2/12 at 100.00	AAA	3,233,880
7,340	5.250%, 2/15/23 (Pre-refunded 2/15/12) – FSA Insured	2/12 at 100.00	AAA	7,912,226
5,000	5.250%, 2/15/25 (Pre-refunded 2/15/12) – FSA Insured	2/12 at 100.00	AAA	5,389,800
109,530	Total Texas			108,871,403
	Washington – 15.2% (9.5% of Total Investments)
5,385	Energy Northwest, Washington Public Power, Nine Canyon Wind Project Revenue Bonds, Series	7/16 at 100.00	AA	4,849,623
	2006A, 4.500%, 7/01/30 – AMBAC Insured
6,600	Energy Northwest, Washington, Electric Revenue Refunding Bonds, Columbia Generating Station –	7/12 at 100.00	AAA	6,970,062
	Nuclear Project 2, Series 2002B, 5.350%, 7/01/18 – FSA Insured
7,675	Energy Northwest, Washington, Electric Revenue Refunding Bonds, Nuclear Project 1, Series	7/12 at 100.00	Aaa	8,223,302
	2002A, 5.500%, 7/01/15 – MBIA Insured
2,500	Port of Seattle, Washington, Revenue Refunding Bonds, Series 2002D, 5.750%, 11/01/15 – FGIC	11/12 at 100.00	Aa2	2,548,550
	Insured (Alternative Minimum Tax)
2,200	Snohomish County School District 2, Everett, Washington, General Obligation Bonds, Series	12/13 at 100.00	AAA	2,321,462
	2003B, 5.000%, 6/01/17 – FSA Insured
3,255	Thurston and Pierce Counties School District, Washington, General Obligation Bonds, Yelm	6/13 at 100.00	Aaa	3,503,877
	Community Schools, Series 2003, 5.250%, 12/01/16 – FSA Insured
10,000	University of Washington, General Revenue Bonds, Refunding Series 2007, 5.000%, 6/01/37 –	6/17 at 100.00	AA+	9,864,000
	AMBAC Insured
	Washington State Economic Development Finance Authority, Wastewater Revenue Bonds, LOTT
	Project, Series 2002:
2,000	5.500%, 6/01/17 – AMBAC Insured	6/12 at 100.00	Aa3	2,134,680
4,325	5.125%, 6/01/22 – AMBAC Insured	6/12 at 100.00	Aa3	4,405,229
15,000	Washington State Healthcare Facilities Authority, Revenue Bonds, Harrison Memorial Hospital,	8/13 at 102.00	AA	14,849,851
	Series 1998, 5.000%, 8/15/28 – AMBAC Insured
5,170	Whitman County School District 267, Pullman, Washington, General Obligation Bonds, Series	6/12 at 100.00	Aaa	5,337,871
	2002, 5.000%, 12/01/20 – FSA Insured
64,110	Total Washington			65,008,507
	Wisconsin – 3.0% (1.8% of Total Investments)
11,950	Wisconsin, Transportation Revenue Refunding Bonds, Series 2002-1, 5.125%, 7/01/18	7/12 at 100.00	AA+ (4)	12,929,781
	(Pre-refunded 7/01/12) – AMBAC Insured (5)
$ 693,548	Total Long-Term Municipal Bonds (cost $673,876,498)			680,883,957
Shares	Description (1)			Value
	Investment Companies – 0.4% (0.2% of Total Investments)
21,438	BlackRock MuniHoldings Fund Inc.			305,492
13,600	BlacRock MuniEnhanced Fund Inc.			129,336
7,920	Dreyfus Strategic Municipal Fund			63,518
7,600	Morgan Stanley Dean Witter Insured Municipal Income Trust			98,344
9,668	Morgan Stanley Quality Municipal Income Trust			113,792
26,280	PIMCO Municipal Income Fund II			349,261
9,500	Van Kampen Advantage Municipal Income Fund II			108,585
28,680	Van Kampen Investment Grade Municipal Trusst			391,769
6,240	Van Kampen Municipal Trust			92,477
	Total Investment Companies (cost $1,687,855)			1,652,574
	Total Long-Term Investments (cost $675,564,353) – 159.9%			682,536,531
Principal
Amount (000)	Description (1)		Ratings (3)	Value
	Short-Term Investments – 0.9% (0.6% of Total Investments)
833	Ohio Air Quality Development Authority, Pollution Control Revenue Bonds, Dayton Power and		VMIG-1	833,000
	Light Company Project, Trust 1223, Variable Rate Demand Obligations, 5.500%, 1/01/34 –
	FGIC Insured (6)
3,130	San Jose Redevelopment Agency, California, Tax Allocation Bonds, Merged Area Redevelopment		N/R	3,130,000
	Project, Series 2006C, Floaters 1601, Variable Rate Demand Obligations, 4.000%, 2/01/15 –
	MBIA Insured (6)
$ 3,963	Total Short-Term Investments (cost $3,963,000)			3,963,000
	Total Investments (cost $679,527,353) – 160.8%			686,499,531
	Floating Rate Obligations – (9.5)%			(40,733,334)
	Other Assets Less Liabilities – 3.3%			14,134,337
	Preferred Shares, at Liquidation Value – (54.6)% (7)			(233,000,000)
	Net Assets Applicable to Common Shares – 100%			$ 426,900,534

Forward Swaps outstanding at July 31, 2008:
		Fund			Fixed Rate			Unrealized
	Notional	Pay/Receive	Floating Rate	Fixed Rate	Payment	Effective	Termination	Appreciation
Counterparty	Amount	Floating Rate	Index	(Annualized)	Frequency	Date (8)	Date	(Depreciation)
Goldman Sachs	$25,250,000	Pay	3 -Month USD-LIBOR	5.052%	Semi-Annually	7/29/09	7/29/24	$(5,517)
USD-LIBOR (United States Dollar-London Inter-Bank Rate).

	As of July 31, 2008, at least 80% of the Fund’s net assets (including net assets attributable to Preferred
	shares) are invested in municipal securities that are either covered by Original Issue Insurance, Secondary
	Market Insurance or Portfolio Insurance which ensures the timely payment of principal and interest. Up to
	20% of the Fund’s net assets (including net assets attributable to Preferred shares) may be invested in
	municipal securities that are (i) either backed by an escrow or trust containing sufficient U.S. Government
	or U.S. Government agency securities (also ensuring the timely payment of principal and interest), or (ii)
	rated, at the time of investment, within the four highest grades (Baa or BBB or better by Moody’s,
	Standard & Poor’s or Fitch) or unrated but judged to be of comparable quality by the Adviser.
(1)	All percentages shown in the Portfolio of Investments are based on net assets applicable to Common shares
	unless otherwise noted.
(2)	Optional Call Provisions: Dates (month and year) and prices of the earliest optional call or redemption. There
	may be other call provisions at varying prices at later dates. Certain mortgage-backed securities may be
	subject to periodic principal paydowns
(3)	Ratings: Using the higher of Standard & Poor’s Group (“Standard & Poor’s”) or Moody’s Investor Service,
	Inc. (“Moody’s”) rating. Ratings below BBB by Standard & Poor’s or Baa by Moody’s are considered to be
	below investment grade.
	The Portfolio of Investments may reflect the ratings on certain bonds insured by ACA, AMBAC, CIFG, FGIC,
	MBIA, RAAI and XLCA as of July 31, 2008. Subsequent to July 31, 2008, and during the period this
	Portfolio of Investments was prepared, there may have been reductions to the ratings of certain bonds
	resulting from changes to the ratings of the underlying insurers both during the period and after the period
	end. Such reductions would likely reduce the effective rating of many of the bonds insured by that insurer
	or insurers presented at period end.
(4)	Backed by an escrow or trust containing sufficient U.S. Government or U.S. Government agency securities
	which ensure the timely payment of principal and interest. Such investments are normally considered to be
	equivalent to AAA rated securities.
(5)	Portion of investment, with an aggregate market value of $362,467, has been pledged to collateralize
	the net payment obligations under forward swap contracts.
(6)	Investment has a maturity of more than one year, but has variable rate and demand features which qualify
	it as a short-term investment. The rate disclosed is that in effect at the end of the reporting period. This
	rate changes periodically based on market conditions or a specified market index.
(7)	Preferred Shares, at Liquidation Value as a percentage of total investments is (33.9)%.
(8)	Effective date represents the date on which both the Fund and counterparty commence interest payment
	accruals on each forward swap contract.
N/R	Not rated.
(IF)	Inverse floating rate investment.
(UB)	Underlying bond of an inverse floating rate trust reflected as a financing transaction pursuant to the
	provisions of SFAS No. 140.

Income Tax Information

The following information is presented on an income tax basis. Differences between amounts for financial statement and federal income tax purposes are primarily due to timing differences in recognizing taxable market discount, timing differences in recognizing certain gains and losses on investment transactions and the treatment of investments in inverse floating rate transactions subject to SFAS No. 140. To the extent that differences arise that are permanent in nature, such amounts are reclassified within the capital accounts on the Statement of Assets and Liabilities presented in the annual report, based on their federal tax basis treatment; temporary differences do not require reclassification. Temporary and permanent differences do not impact the net asset value of the Fund.

At July 31, 2008, the cost of investments was $638,593,102.

Gross unrealized appreciation and gross unrealized depreciation of investments at July 31, 2008, were as follows:

Gross unrealized:
Appreciation	$ 24,282,523
Depreciation	(17,105,856)
Net unrealized appreciation (depreciation) of investments	$ 7,176,667

Item 2. Controls and Procedures.

1. 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") (17 CFR 270.30a-3(c))) are effective, as of a date within 90 days of the filing date of this report that includes the disclosure required by this paragraph, based on their evaluation of the controls and procedures required by Rule 30a-3(b) under the 1940 Act (17 CFR 270.30a-3(b)) and Rule 13a-15(b) or 15d-15(b) under the Securities Exchange Act of 1934 (17 CFR 240.13a-15(b) or 240.15d-15(b)).
2. There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR 270.30a-3(d)) 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.

File as exhibits as part of this Form a separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the 1940 Act (17 CFR 270.30a-2(a)), exactly as set forth below: See EX-99 CERT attached hereto.

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.

(Registrant) Nuveen Insured Dividend Advantage Municipal Fund

By (Signature and Title) /s/ Kevin J. McCarthy Kevin J. McCarthy Vice President and Secretary

Date September 29, 2008

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 (Signature and Title) /s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

Date September 29, 2008

By (Signature and Title) /s/ Stephen D. Foy Stephen D. Foy Vice President and Controller (principal financial officer)

Date September 29, 2008