Nuveen AMT-Free Municipal Credit Income Fund

Regulatory Filings • Apr 1, 2005

N-Q 1 nq.htm NVG Nuveen Insured Dividend Advantage Municipal Fund

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)

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

Jessica R. Droeger—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: 01/31/05

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) January 31, 2005

Amount (000)	Description (1)	Optional Call — Provisions*	Ratings**	Market — Value
	Alabama - 4.3% (2.9% of Total Investments)
$ 5,310	Athens, Alabama, Water and Sewerage Revenue Warrants, Series 2002, 5.300%, 5/01/32 - MBIA Insured	5/12 at 101.00	AAA	$ 5,724,552
3,045	Hoover, Alabama, General Obligation Bonds, Series 2003, 5.000%, 3/01/20 - MBIA Insured	3/12 at 101.00	AAA	3,297,613
10,000	Jefferson County, Alabama, Sewer Revenue Capital Improvement Warrants, Series 1999A, 5.375%,	2/09 at 101.00	AAA	11,075,500
	2/01/36 (Pre-refunded to 2/01/09) - FGIC Insured
	Alaska - 3.4% (2.3% of Total Investments)
15,000	Alaska, International Airport System Revenue Bonds, Series 2002B, 5.250%, 10/01/27 - AMBAC Insured (PLG1)	10/12 at 100.00	AAA	16,108,800
	Arizona - 1.1% (0.7% of Total Investments)
5,000	Phoenix, Arizona, Civic Improvement Corporation, Senior Lien Airport Revenue Bonds, Series 2002B,	7/12 at 100.00	AAA	5,218,050
	5.250%, 7/01/32 (Alternative Minimum Tax) - FGIC Insured
	California - 9.8% (6.6% of Total Investments)
8,890	California, General Obligation Veterans Welfare Bonds, Series 1997BH, 5.400%, 12/01/14	12/08 at 101.00	A	9,219,019
	(Alternative Minimum Tax)
3,200	California, Various Purpose General Obligation Bonds, Series 2000, 5.250%, 9/01/17 - MBIA Insured	9/10 at 100.00	AAA	3,521,728
10,000	California, General Obligation Refunding Bonds, Series 2002, 5.000%, 2/01/23 - MBIA Insured	No Opt. Call	AAA	10,552,200
3,000	California, General Obligation Veterans Welfare Bonds, Series 2001BZ, 5.375%, 12/01/24	6/07 at 101.00	AAA	3,074,160
	(Alternative Minimum Tax) - MBIA Insured
7,935	Los Angeles, California, Certificates of Participation, Real Property Acquisition Program, Series	4/12 at 100.00	AAA	8,439,111
	2002, 5.300%, 4/01/32 - AMBAC Insured
1,000	Los Angeles Convention and Exhibition Center Authority, California, Certificates of Participation,	12/05 at 100.00	AAA	1,056,640
	Series 1985, 9.000%, 12/01/20 (Pre-refunded to 12/01/05)
7,500	Northern California Power Agency, Revenue Refunding Bonds, Hydroelectric Project 1, Series 1998A,	7/08 at 101.00	AAA	8,008,125
	5.200%, 7/01/32 - MBIA Insured
2,320	Sacramento Municipal Utility District, California, Electric Revenue Bonds, Series 2001P, 5.250%,	8/11 at 100.00	AAA	2,579,770
	8/15/18 - FSA Insured
	Colorado - 0.9% (0.6% of Total Investments)
1,580	Gunnison Watershed School District RE1J, Gunnison and Saguache Counties, Colorado, General	No Opt. Call	Aaa	1,774,940
	Obligation Bonds, Series 2004, 5.000%, 12/01/15 - FSA Insured
	Sand Creek Metropolitan District, Colorado, General Obligation Bonds, Series 2004:
1,095	5.000%, 12/01/13 - XLCA Insured	No Opt. Call	AAA	1,211,990
1,170	5.000%, 12/01/14 - XLCA Insured	12/13 at 100.00	AAA	1,286,251
	Florida - 16.1% (10.8% 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	AAA	2,563,736
1,480	5.250%, 12/01/18 - MBIA Insured	12/13 at 100.00	AAA	1,641,438
11,600	Greater Orlando Aviation Authority, Florida, Airport Facilities Revenue Bonds, Series 2002B,	10/12 at 100.00	AAA	12,267,580
	5.125%, 10/01/21 (Alternative Minimum Tax) - FSA Insured
6,000	JEA, Florida, Water and Sewerage System Revenue Bonds, Series 2002A, 5.500%, 10/01/41 - MBIA	4/07 at 100.00	AAA	6,316,020
	Insured
8,155	Lee County, Florida, Solid Waste System Revenue Refunding Bonds, Series 2001, 5.625%, 10/01/13	10/11 at 100.00	Aaa	9,001,081
	(Alternative Minimum Tax) - MBIA Insured
15,000	Miami-Dade County School Board, Florida, Certificates of Participation, Series 2003A, 5.000%,	No Opt. Call	AAA	16,099,200
	8/01/27 (Mandatory put 8/01/08) - MBIA Insured
	Miami-Dade County, Florida, Aviation Revenue Bonds, Miami International Airport, Series 2002:
7,165	5.625%, 10/01/15 (Alternative Minimum Tax) - FGIC Insured	10/12 at 100.00	AAA	8,034,831
5,600	5.750%, 10/01/16 (Alternative Minimum Tax) - FGIC Insured	10/12 at 100.00	AAA	6,341,944
10,000	5.125%, 10/01/21 (Alternative Minimum Tax) - FGIC Insured	10/12 at 100.00	AAA	10,589,000
2,000	5.250%, 10/01/22 (Alternative Minimum Tax) - FGIC Insured	10/12 at 100.00	AAA	2,132,940
1,000	Orange County, Florida, Sales Tax Revenue Bonds, Series 2002B, 5.000%, 1/01/25 - FGIC Insured	1/13 at 100.00	AAA	1,068,020
	Georgia - 0.6% (0.4% of Total Investments)
1,000	Atlanta, Georgia, Water and Wastewater Revenue Bonds, Series 2004, 5.000%, 11/01/22 - FSA Insured	11/14 at 100.00	AAA	1,082,120
1,695	Georgia Housing and Finance Authority, Single Family Mortgage Bonds, Series 2002B-2, 5.500%,	12/11 at 100.00	AAA	1,759,817
	6/01/32 (Alternative Minimum Tax)
	Illinois - 14.0% (9.4% of Total Investments)
10,000	Bolingbrook, Illinois, General Obligation Bonds, Series 2002A, 5.375%, 1/01/38 - FGIC Insured	1/12 at 100.00	AAA	10,941,500
5,000	Chicago, Illinois, General Obligation Refunding Bonds, Series 2001A, 5.500%, 1/01/38 - MBIA	1/11 at 101.00	AAA	5,577,050
	Insured
	Chicago, Illinois, Second Lien Passenger Facility Charge Revenue Bonds, O'Hare International
	Airport, Series 2001C:
4,250	5.500%, 1/01/16 (Alternative Minimum Tax) - AMBAC Insured	1/11 at 101.00	AAA	4,664,673
4,485	5.500%, 1/01/17 (Alternative Minimum Tax) - AMBAC Insured	1/11 at 101.00	AAA	4,922,601
4,730	5.500%, 1/01/18 (Alternative Minimum Tax) - AMBAC Insured	1/11 at 101.00	AAA	5,190,986
2,930	5.500%, 1/01/19 (Alternative Minimum Tax) - AMBAC Insured	1/11 at 101.00	AAA	3,199,589
3,000	Chicago, Illinois, General Airport Third Lien Revenue Refunding Bonds, O'Hare International	1/12 at 100.00	AAA	3,355,680
	Airport, Series 2002A, 5.750%, 1/01/17 (Alternative Minimum Tax) - MBIA Insured
12,765	Chicago, Illinois, Revenue Bonds, Skyway Toll Bridge, Series 1996, 5.500%, 1/01/23 (Pre-refunded	1/07 at 102.00	AAA	13,744,331
	to 1/01/07) - MBIA Insured
4,000	Cicero, Cook County, Illinois, General Obligation Corporate Purpose Bonds, Series 2002, 5.000%,	12/12 at 101.00	AAA	4,318,560
	12/01/21 - MBIA Insured
1,500	DuPage County Community School District 200, Wheaton, Illinois, General Obligation Bonds, Series	10/13 at 100.00	Aaa	1,653,780
	2003C, 5.250%, 10/01/22 - FSA Insured
5,000	Illinois, General Obligation Bonds, Illinois FIRST Program, Series 2002, 5.250%, 4/01/23 - FSA	4/12 at 100.00	AAA	5,495,950
	Insured
2,700	University of Illinois, Certificates of Participation, Utility Infrastructure Projects, Series	8/11 at 100.00	AAA	2,991,384
	2001A, 5.000%, 8/15/20 (Pre-refunded to 8/15/11) - AMBAC Insured
	Indiana - 16.8% (11.3% of Total Investments)
3,380	Evansville, Indiana, Sewerage Works Revenue Refunding Bonds, Series 2003A, 5.000%, 7/01/20 - AMBAC	7/13 at 100.00	AAA	3,661,622
	Insured
	Indiana Bond Bank, Special Program Bonds, Hendricks County Redevelopment District, Series 2002D:
2,500	5.375%, 4/01/23 - AMBAC Insured	4/12 at 100.00	AAA	2,756,250
7,075	5.250%, 4/01/26 - AMBAC Insured	4/12 at 100.00	AAA	7,671,352
7,000	5.250%, 4/01/30 - AMBAC Insured	4/12 at 100.00	AAA	7,476,280
10,000	Indiana Health Facility Financing Authority, Hospital Revenue Bonds, Marion General Hospital,	7/12 at 100.00	AAA	10,542,300
	Series 2002, 5.250%, 7/01/32 - AMBAC Insured
25,000	Indianapolis Local Public Improvement Bond Bank, Indiana, Waterworks Project, Series 2002A,	7/12 at 100.00	AAA	26,767,250
	5.250%, 7/01/33 - MBIA Insured
	New Albany-Floyd County School Building Corporation, Indiana, First Mortgage Bonds, Series 2002:
2,500	5.750%, 7/15/17 - FGIC Insured	7/12 at 100.00	AAA	2,875,125
3,810	5.750%, 7/15/20 - FGIC Insured	7/12 at 100.00	AAA	4,381,691
	Northern Wells Community School Building Corporation, Wells County, Indiana, First Mortgage Bonds,
	Series 2001:
420	5.250%, 1/15/19 - FGIC Insured	7/12 at 100.00	AAA	459,778
430	5.250%, 7/15/19 - FGIC Insured	7/12 at 100.00	AAA	471,783
1,675	5.400%, 7/15/23 - FGIC Insured	7/12 at 100.00	AAA	1,853,270
6,960	Valparaiso Middle School Building Corporation, Indiana, First Mortgage Refunding Bonds, Series	1/13 at 100.00	AAA	7,436,482
	2002, 5.000%, 7/15/24 - MBIA Insured
2,490	Whitley County Middle School Building Corporation, Columbia City, Indiana, First Mortgage Bonds,	7/13 at 100.00	AAA	2,704,115
	Series 2003, 5.000%, 1/15/18 - FSA Insured
	Louisiana - 0.7% (0.5% of Total Investments)
3,085	New Orleans, Louisiana, General Obligation Refunding Bonds, Series 2002, 5.125%, 9/01/21 - MBIA	9/12 at 100.00	AAA	3,373,293
	Insured
	Massachusetts - 3.5% (2.4% of Total Investments)
5,000	Massachusetts, General Obligation Bonds, Consolidated Loan, Series 2004B, 5.000%, 8/01/22	8/14 at 100.00	AAA	5,545,400
	(Pre-refunded to 8/01/14) - AMBAC Insured
10,000	Massachusetts, Special Obligation Refunding Notes, Federal Highway Grant Anticipation Note Program,	No Opt. Call	Aaa	11,053,200
	Series 2003A, 5.000%, 12/15/13 - FSA Insured
	Michigan - 2.4% (1.6% of Total Investments)
10,000	Detroit, Michigan, Sewerage Disposal System Revenue Bonds, Series 1999A, 5.750%, 7/01/26	1/10 at 101.00	AAA	11,371,400
	(Pre-refunded to 1/01/10) - FGIC Insured
	Missouri - 2.3% (1.6% of Total Investments)
1,600	St. Louis County Pattonville School District R3, Missouri, General Obligation Bonds, Series 2004,	3/14 at 100.00	AAA	1,789,136
	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	9,243,377
	7/01/31 - MBIA Insured
	Nebraska - 0.5% (0.3% of Total Investments)
	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	1,108,860
1,000	5.250%, 4/01/21 - FSA Insured	4/13 at 100.00	AAA	1,106,330
	Nevada - 4.2% (2.8% of Total Investments)
9,810	Clark County School District, Nevada, General Obligation Bonds, Series 2002C, 5.000%, 6/15/21 -	6/12 at 100.00	AAA	10,575,965
	MBIA Insured
8,750	Truckee Meadows Water Authority, Nevada, Water Revenue Bonds, Series 2001A, 5.250%, 7/01/34 - FSA	7/11 at 100.00	AAA	9,319,450
	Insured
	New Jersey - 1.1% (0.8% of Total Investments)
	Bernards Township School District, Somerset County, New Jersey, General Obligation Bonds, Series
	2004:
2,345	5.000%, 1/01/15 - FGIC Insured	1/14 at 100.00	AAA	2,594,367
2,465	5.000%, 1/01/16 - FGIC Insured	1/14 at 100.00	AAA	2,715,271
	New York - 2.5% (1.7% of Total Investments)
10,000	Metropolitan Transportation Authority, New York, Transportation Revenue Refunding Bonds, Series	11/12 at 100.00	AAA	10,428,300
	2002A, 5.000%, 11/15/30 - FSA Insured
1,120	Dormitory Authority of the State of New York, FHA-Insured Mortgage Revenue Bonds, Montefiore	2/15 at 100.00	AAA	1,206,307
	Hospital, Series 2004, 5.000%, 8/01/23 - FGIC Insured
	North Carolina - 0.6% (0.4% of Total Investments)
2,435	North Carolina Medical Care Commission, FHA-Insured Mortgage Revenue Bonds, Betsy Johnson Regional	10/13 at 100.00	AAA	2,711,421
	Hospital Project, Series 2003, 5.375%, 10/01/24 - FSA Insured
	Oregon - 4.4% (3.0% of Total Investments)
4,725	Clackamas County School District 62, Oregon City, Oregon, General Obligation Bonds, Series 2004,	6/14 at 100.00	AAA	5,241,915
	5.000%, 6/15/15 - FSA Insured
	Oregon, General Obligation Veterans Welfare Bonds, Series 82:
7,690	5.375%, 12/01/31	12/11 at 100.00	AA	7,971,685
3,585	5.500%, 12/01/42	12/11 at 100.00	AA	3,721,230
1,615	Oregon Department of Administrative Services, State Lottery Revenue Bonds, Series 2004A, 5.000%,	4/14 at 100.00	AAA	1,774,901
	4/01/17 - FSA Insured
2,085	Salem-Keizer School District 24J, Marion County, Oregon, General Obligation Bonds, Series 2004,	6/14 at 100.00	AAA	2,284,952
	5.000%, 6/15/18 - FSA Insured
	Pennsylvania - 4.9% (3.3% of Total Investments)
4,500	Allegheny County, Pennsylvania, Airport Revenue Refunding Bonds, Pittsburgh International Airport,	No Opt. Call	AAA	5,060,565
	Series 1997A, 5.750%, 1/01/13 (Alternative Minimum Tax) - MBIA Insured (PLG2)
5,000	Pennsylvania Higher Educational Facilities Authority, Revenue Bonds, University of Pennsylvania,	7/08 at 100.00	AAA	5,376,700
	Series 1998, 5.500%, 7/15/38 - MBIA Insured
1,000	Pennsylvania Higher Educational Facilities Authority, Revenue Bonds, Lycoming College, Series	11/13 at 100.00	AA	1,091,460
	2003-AA2, 5.250%, 11/01/16 - RAAI Insured
	Philadelphia, Pennsylvania, General Obligation Bonds, Series 2003A:
3,090	5.250%, 2/15/14 - XLCA Insured	2/13 at 100.00	AAA	3,431,723
1,000	5.250%, 2/15/15 - XLCA Insured	2/13 at 100.00	AAA	1,103,260
	Philadelphia Municipal Authority, Pennsylvania, Lease Revenue Bonds, Series 2003B:
3,540	5.250%, 11/15/16 - FSA Insured	11/13 at 100.00	AAA	3,907,771
2,000	5.250%, 11/15/18 - FSA Insured	11/13 at 100.00	AAA	2,199,940
1,000	State Public School Building Authority, Pennsylvania, Lease Revenue Bonds, Philadelphia School	6/13 at 100.00	AAA	1,072,420
	District Project, Series 2003, 5.000%, 6/01/23 - FSA Insured
	South Carolina - 0.8% (0.5% of Total Investments)
	Greenville, South Carolina, Tax Increment Revenue Improvement Bonds, Series 2003:
1,000	5.500%, 4/01/17 - MBIA Insured	4/13 at 100.00	AAA	1,136,380
2,300	5.000%, 4/01/21 - MBIA Insured	4/13 at 100.00	AAA	2,483,885
	Tennessee - 9.1% (6.1% of Total Investments)
10,000	Memphis-Shelby County Sports Authority, Tennessee, Revenue Bonds, Memphis Arena, Series 2002A,	11/12 at 100.00	AAA	10,578,100
	5.125%, 11/01/28 - AMBAC Insured
10,000	Memphis-Shelby County Sports Authority, Tennessee, Revenue Bonds, Memphis Arena, Series 2002B,	11/12 at 100.00	AAA	10,551,000
	5.125%, 11/01/29 - AMBAC Insured
	Memphis, Tennessee, Sanitary Sewerage System Revenue Bonds, Series 2004:
1,495	5.000%, 10/01/19 - FSA Insured	10/14 at 100.00	AAA	1,638,296
1,455	5.000%, 10/01/20 - FSA Insured	10/14 at 100.00	AAA	1,588,307
1,955	5.000%, 10/01/21 - FSA Insured	10/14 at 100.00	AAA	2,127,529
15,195	Tennessee State School Bond Authority, Higher Educational Facilities Second Program Bonds, Series	5/12 at 100.00	AAA	16,295,118
	2002A, 5.250%, 5/01/32 - FSA Insured
	Texas - 27.2% (18.2% of Total Investments)
3,500	Dallas-Ft. Worth International Airport, Texas, Joint Revenue Refunding and Improvement Bonds,	11/11 at 100.00	AAA	3,918,250
	Series 2001A, 5.750%, 11/01/13 (Alternative Minimum Tax) - FGIC Insured
10,000	Gainesville Hospital District, Texas, Limited Tax General Obligation Bonds, Series 2002, 5.375%,	8/11 at 100.00	AAA	10,562,600
	8/15/32 - MBIA Insured
3,645	Galveston, Texas, General Obligation Refunding Bonds, Series 2001A, 5.250%, 5/01/21 - AMBAC	No Opt. Call	AAA	3,997,107
	Insured
	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	AAA	2,430,400
2,355	5.000%, 11/15/17 - MBIA Insured	11/13 at 100.00	AAA	2,544,248
13,000	Houston Area Water Corporation, Texas, Contract Revenue Bonds, Northeast Water Purification Plant,	3/12 at 100.00	AAA	13,558,870
	Series 2002, 5.125%, 3/01/32 - FGIC Insured
2,500	Houston Higher Education Finance Corporation, Texas, Revenue Bonds, Rice University, Series 1999A,	11/09 at 101.00	AAA	2,715,800
	5.375%, 11/15/29
1,000	Houston, Texas, First Lien Combined Utility System Revenue Bonds, Series 2004A, 5.250%, 5/15/24 -	5/14 at 100.00	AAA	1,098,160
	FGIC Insured
4,345	San Antonio, Texas, Water System Senior Lien Revenue Refunding Bonds, Series 2002, 5.500%,	5/12 at 100.00	AAA	4,881,738
	5/15/17 - FSA Insured
9,145	Texas, General Obligation Bonds, Veterans Housing Assistance Program Fund II, Series 2002A-1,	6/12 at 100.00	Aa1	9,742,169
	5.250%, 12/01/22 (Alternative Minimum Tax)
6,370	Texas Department of Housing and Community Affairs, Residential Mortgage Revenue Bonds, Series	7/11 at 100.00	AAA	6,534,028
	2001A, 5.350%, 7/01/33 (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	Aaa	3,845,811
3,520	5.125%, 11/01/21 - MBIA Insured	5/12 at 100.00	Aaa	3,833,421
8,725	Texas Department of Housing and Community Affairs, Single Family Mortgage Bonds, Series 2002B,	3/12 at 100.00	AAA	9,050,530
	5.550%, 9/01/33 (Alternative Minimum Tax) - MBIA Insured
	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	Aaa	10,318,098
11,665	5.500%, 1/01/33 - MBIA Insured	1/12 at 102.00	Aaa	12,870,694
5,000	Texas Water Development Board, Senior Lien State Revolving Fund Revenue Bonds, Series 1999B,	1/10 at 100.00	AAA	5,431,550
	5.250%, 7/15/17
	Williamson County, Texas, General Obligation Bonds, Series 2002:
3,500	5.200%, 2/15/21 - FSA Insured	2/12 at 100.00	AAA	3,810,695
3,000	5.250%, 2/15/22 - FSA Insured	2/12 at 100.00	AAA	3,292,230
7,340	5.250%, 2/15/23 - FSA Insured	2/12 at 100.00	AAA	8,044,493
5,000	5.250%, 2/15/25 - FSA Insured	2/12 at 100.00	AAA	5,456,250
	Washington - 13.9% (9.4% of Total Investments)
7,675	Energy Northwest, Washington, Electric Revenue Refunding Bonds, Nuclear Project 1, Series 2002A,	7/12 at 100.00	AAA	8,616,569
	5.500%, 7/01/15 - MBIA Insured
6,600	Energy Northwest, Washington, Electric Revenue Refunding Bonds, Columbia Generating Station, Series	7/12 at 100.00	AAA	7,315,374
	2002B, 5.350%, 7/01/18 - FSA Insured
2,200	King County School District 414, Lake Washington, Washington, General Obligation Bonds, Series	12/14 at 100.00	AAA	2,423,366
	2004, 5.000%, 12/01/16 - FSA Insured
2,500	Port of Seattle, Washington, Revenue Refunding Bonds, Series 2002D, 5.750%, 11/01/15 (Alternative	11/12 at 100.00	AAA	2,825,175
	Minimum Tax) - FGIC Insured
2,200	Snohomish County School District 2, Everett, Washington, General Obligation Bonds, Series 2003B,	12/13 at 100.00	AAA	2,401,586
	5.000%, 6/01/17 - FSA Insured
3,255	Thurston and Pierce Counties School District, Washington, General Obligation Bonds, Yelm Community	6/13 at 100.00	Aaa	3,638,537
	Schools, Series 2003, 5.250%, 12/01/16 - FSA 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	Aaa	2,249,760
4,325	5.125%, 6/01/22 - AMBAC Insured	6/12 at 100.00	Aaa	4,702,400
15,000	Washington State Healthcare Facilities Authority, Revenue Bonds, Harrison Memorial Hospital, Series	8/13 at 102.00	AAA	15,680,100
	1998, 5.000%, 8/15/28 - AMBAC Insured
10,000	Washington State Healthcare Facilities Authority, Revenue Bonds, Children's Hospital and Regional	10/11 at 100.00	Aaa	10,367,600
	Medical Center, Series 2001, 5.125%, 10/01/31 - AMBAC Insured
5,170	Whitman County School District 267, Pullman, Washington, General Obligation Bonds, Series 2002,	6/12 at 100.00	Aaa	5,607,641
	5.000%, 12/01/20 - FSA Insured
	Wisconsin - 3.5% (2.4% of Total Investments)
3,420	Wisconsin Housing and Economic Development Authority, Home Ownership Revenue Bonds, Series 2002E,	3/12 at 100.00	AA	3,572,908
	5.250%, 9/01/22 (Alternative Minimum Tax)
11,950	Wisconsin, Transportation Revenue Refunding Bonds, Series 2002-1, 5.125%, 7/01/18 - AMBAC Insured	7/12 at 100.00	AAA	13,116,796
$ 649,285	Total Long-Term Investments (cost $652,232,627) - 148.6%			701,393,726
	Other Assets Less Liabilities - 0.8%			3,610,308
	Preferred Shares, at Liquidation Value - (49.4)%			(233,000,000)
	Net Assets Applicable to Common Shares - 100%			$472,004,034

Forward Swap Contracts outstanding at January 31, 2005:

	Notional	Effective	Swap — Termination	Unrealized — Appreciation
	Amount	Date (2)	Date	(Depreciation)
Agreement with Morgan Stanley dated December 8, 2004,
to pay semi-annually the notional amount multiplied by
5.313% (annualized) and receive quarterly the notional
amount multiplied by the three-month USD-LIBOR
(United States Dollar - London Inter-Bank Offered Rates).	$2,000,000	7/18/05	7/18/35	$(87,208)
Agreement with JPMorgan dated January 11, 2005, to pay
semi-annually the notional amount multiplied by 5.235%
(annualized) and receive quarterly the notional amount
multiplied by the three-month USD-LIBOR (United States
Dollar - London Inter-Bank Offered Rates).	8,300,000	8/17/05	8/17/25	(257,100)
Agreement with Morgan Stanley dated January 31, 2005,
to pay semi-annually the notional amount multiplied by
5.058% (annualized) and receive quarterly the notional
amount multiplied by the three-month USD-LIBOR
(United States Dollar - London Inter-Bank Offered Rates).	7,500,000	8/16/05	8/16/35	(23,152)
				$(367,460)

(1)	All percentages shown in the Portfolio of Investments are based on net assets applicable to Common shares.
	unless otherwise noted.
(2)	Effective data represents the date on which both the Fund and counterparty commence interest payment
	accruals on each forward swap contract.
*	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.
**	Ratings: Using the higher of Standard & Poor's or Moody's rating.
(PLG1)	Portion of security, with an aggregate market value of $161,088 has been pledged to collateralize the net
	payment obligations under forward swap contracts.
(PLG2)	Portion of security, with an aggregate market value of $2,080,455, has been pledged to collateralize the net
	payment obligations under forward swap contracts.
	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 income on taxable market
	discount securities and timing differences in recognizing certain gains and losses on security transactions.
	At January 31, 2005, the cost of investments was $652,125,947.
	Gross unrealized appreciation and gross unrealized depreciation of investments at January 31, 2005, were as
	follows:
	Gross unrealized:
	Appreciation	$50,168,457
	Depreciation	(900,678)
	Net unrealized appreciation of investments	$49,267,779

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: 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/ Jessica R. Droeger--Vice President and Secretary

Date 04/01/05

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--Chief Administrative Officer (principal executive officer)

Date 04/01/05

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

Date 04/01/05

• Print the name and title of each signing officer under his or her signature.