Nuveen AMT-Free Quality Municipal Income Fund

Regulatory Filings • Mar 30, 2007

N-Q 1 nq1.htm NEA 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 811-21213

Nuveen Insured Tax-Free 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)

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: 1/31/07

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 Tax-Free Advantage Municipal Fund (NEA)
	January 31, 2007
Principal		Optional Call
Amount (000)	Description (1)	Provisions (2)	Ratings (3)	Value
	Alabama – 8.3% (5.5% of Total Investments)
$ 5,655	Colbert County-Northwest Health Care Authority, Alabama, Revenue Bonds, Helen Keller Hospital,	6/13 at 101.00	Baa3	$ 5,917,562
	Series 2003, 5.750%, 6/01/27
3,100	Huntsville Healthcare Authority, Alabama, Revenue Bonds, Series 1998A, 5.400%, 6/01/22 – MBIA	5/12 at 102.00	AAA	3,345,458
	Insured
6,280	Jefferson County, Alabama, Sewer Revenue Capital Improvement Warrants, Series 2002D, 5.000%,	8/12 at 100.00	AAA	6,646,061
	2/01/32 (Pre-refunded 8/01/12) – FGIC Insured
1,750	Montgomery, Alabama, General Obligation Warrants, Series 2003, 5.000%, 5/01/21 – AMBAC Insured	5/12 at 101.00	AAA	1,849,225
4,500	Sheffield, Alabama, Electric Revenue Bonds, Series 2003, 5.500%, 7/01/29 – AMBAC Insured	7/13 at 100.00	Aaa	4,827,870
21,285	Total Alabama			22,586,176
	Arizona – 3.8% (2.5% of Total Investments)
10,000	Maricopa County Pollution Control Corporation, Arizona, Revenue Bonds, Arizona Public Service	11/12 at 100.00	AAA	10,409,900
	Company – Palo Verde Project, Series 2002A, 5.050%, 5/01/29 – AMBAC Insured
	California – 29.0% (19.1% of Total Investments)
26,300	California State Public Works Board, Lease Revenue Bonds, Department of General Services,	12/12 at 100.00	AAA	27,376,982
	Capital East End Project, Series 2002A, 5.000%, 12/01/27 – AMBAC Insured
7,500	California, General Obligation Bonds, Series 2004, 5.000%, 4/01/31 – AMBAC Insured	4/14 at 100.00	AAA	7,851,075
13,500	California, General Obligation Refunding Bonds, Series 2002, 5.250%, 4/01/30 – XLCA Insured	4/12 at 100.00	AAA	14,234,805
2,910	Cathedral City Public Financing Authority, California, Tax Allocation Bonds, Housing	8/12 at 102.00	AAA	3,055,587
	Set-Aside, Series 2002D, 5.000%, 8/01/26 – MBIA Insured
2,500	Irvine Public Facilities and Infrastructure Authority, California, Assessment Revenue Bonds,	3/07 at 103.00	AAA	2,576,225
	Series 2003C, 5.000%, 9/02/23 – AMBAC Insured
4,000	Montara Sanitation District, California, General Obligation Bonds, Series 2003, 5.000%,	8/11 at 101.00	AAA	4,165,640
	8/01/28 – FGIC Insured
	Plumas County, California, Certificates of Participation, Capital Improvement Program, Series
	2003A:
1,130	5.250%, 6/01/19 – AMBAC Insured	6/13 at 101.00	AAA	1,217,134
1,255	5.250%, 6/01/21 – AMBAC Insured	6/13 at 101.00	AAA	1,347,694
1,210	Redding Joint Powers Financing Authority, California, Lease Revenue Bonds, Capital Improvement	3/13 at 100.00	AAA	1,256,936
	Projects, Series 2003A, 5.000%, 3/01/23 – AMBAC Insured
3,750	Sacramento Municipal Utility District, California, Electric Revenue Bonds, Series 2003R,	8/13 at 100.00	AAA	3,927,563
	5.000%, 8/15/28 – MBIA Insured
1,500	San Diego Community College District, California, General Obligation Bonds, Series 2003A,	5/13 at 100.00	AAA	1,566,945
	5.000%, 5/01/28 – FSA Insured
3,000	San Jose Redevelopment Agency, California, Tax Allocation Bonds, Merged Area Redevelopment	8/10 at 101.00	AAA	3,166,290
	Project, Series 2002, 5.000%, 8/01/32 (Pre-refunded 8/01/10) – MBIA Insured
1,055	Turlock Irrigation District, California, Certificates of Participation, Series 2003A, 5.000%,	1/13 at 100.00	AAA	1,097,369
	1/01/28 – MBIA Insured
6,300	University of California, Revenue Bonds, Multi-Purpose Projects, Series 2003A, 5.000%,	5/13 at 100.00	AAA	6,582,744
	5/15/33 – AMBAC Insured
75,910	Total California			79,422,989
	Colorado – 3.8% (2.5% of Total Investments)
	Bowles Metropolitan District, Colorado, General Obligation Bonds, Series 2003:
4,300	5.500%, 12/01/23 – FSA Insured	12/13 at 100.00	AAA	4,682,055
3,750	5.500%, 12/01/28 – FSA Insured	12/13 at 100.00	AAA	4,059,900
1,450	Colorado Educational and Cultural Facilities Authority, Charter School Revenue Bonds,	8/14 at 100.00	AAA	1,547,005
	Peak-to-Peak Charter School, Series 2004, 5.250%, 8/15/24 – XLCA Insured
9,500	Total Colorado			10,288,960
	Florida – 1.2% (0.8% of Total Investments)
3,000	Pinellas County Health Facilities Authority, Florida, Revenue Bonds, Baycare Health System,	5/13 at 100.00	Aa3 (4)	3,269,580
	Series 2003, 5.500%, 11/15/27 (Pre-refunded 5/15/13)
	Georgia – 2.0% (1.3% of Total Investments)
1,410	DeKalb County, Georgia, Water and Sewer Revenue Bonds, Series 2006A, 5.000%, 10/01/35 – FSA	10/16 at 100.00	AAA	1,493,613
	Insured
3,825	Metropolitan Atlanta Rapid Transit Authority, Georgia, Sales Tax Revenue Bonds, Second	1/13 at 100.00	AAA	3,987,792
	Indenture Series 2002, 5.000%, 7/01/32 – MBIA Insured
5,235	Total Georgia			5,481,405
	Illinois – 3.7% (2.5% of Total Investments)
905	Cook County School District 100, Berwyn South, Illinois, General Obligation Refunding Bonds,	12/13 at 100.00	Aaa	984,124
	Series 2003B, 5.250%, 12/01/21 (Pre-refunded 12/01/13) – FSA Insured
	Cook County School District 145, Arbor Park, Illinois, General Obligation Bonds, Series 2004:
3,285	5.125%, 12/01/20 – FSA Insured	12/14 at 100.00	Aaa	3,512,092
2,940	5.125%, 12/01/23 – FSA Insured	12/14 at 100.00	Aaa	3,127,249
2,500	Illinois Health Facilities Authority, Revenue Bonds, Lake Forest Hospital, Series 2003,	7/13 at 100.00	A–	2,597,750
	5.250%, 7/01/23
9,630	Total Illinois			10,221,215
	Indiana – 8.8% (5.8% of Total Investments)
2,500	Evansville, Indiana, Sewerage Works Revenue Refunding Bonds, Series 2003A, 5.000%, 7/01/23 –	7/13 at 100.00	AAA	2,625,725
	AMBAC Insured
2,190	Indiana Bond Bank, Advance Purchase Funding Bonds, Common School Fund, Series 2003B, 5.000%,	8/13 at 100.00	AAA	2,305,172
	8/01/19 – MBIA Insured
1,000	Indiana University, Student Fee Revenue Bonds, Series 2003O, 5.000%, 8/01/22 – FGIC Insured	8/13 at 100.00	AAA	1,053,230
	IPS Multi-School Building Corporation, Indiana, First Mortgage Revenue Bonds, Series 2003:
11,020	5.000%, 7/15/19 – MBIA Insured	7/13 at 100.00	AAA	11,638,112
6,000	5.000%, 7/15/20 – MBIA Insured	7/13 at 100.00	AAA	6,336,540
22,710	Total Indiana			23,958,779
	Kansas – 2.4% (1.6% of Total Investments)
6,250	Kansas Development Finance Authority, Board of Regents, Revenue Bonds, Scientific Research and	4/13 at 102.00	AAA	6,641,938
	Development Facilities Projects, Series 2003C, 5.000%, 10/01/22 – AMBAC Insured
	Kentucky – 0.3% (0.3% of Total Investments)
985	Kentucky State Property and Buildings Commission, Revenue Refunding Bonds, Project 77, Series	8/13 at 100.00	AAA	1,053,389
	2003, 5.000%, 8/01/23 (Pre-refunded 8/01/13) – MBIA Insured
	Louisiana – 2.2% (1.5% of Total Investments)
5,785	New Orleans, Louisiana, General Obligation Refunding Bonds, Series 2002, 5.300%, 12/01/27 –	12/12 at 100.00	AAA	6,095,250
	FGIC Insured
	Massachusetts – 5.0% (3.3% of Total Investments)
9,000	Massachusetts Bay Transportation Authority, Senior Sales Tax Revenue Refunding Bonds, Series	7/12 at 100.00	AAA	9,544,320
	2002A, 5.000%, 7/01/27 (Pre-refunded 7/01/12) – FGIC Insured
1,125	Massachusetts Development Finance Authority, Revenue Bonds, Middlesex School, Series 2003,	9/13 at 100.00	A1	1,178,010
	5.125%, 9/01/23
3,000	Massachusetts Turnpike Authority, Metropolitan Highway System Revenue Bonds, Senior Series	7/07 at 102.00	AAA	3,045,870
	1997A, 5.000%, 1/01/37 – MBIA Insured
13,125	Total Massachusetts			13,768,200
	Michigan – 11.6% (7.6% of Total Investments)
6,130	Detroit, Michigan, Senior Lien Water Supply System Revenue Bonds, Series 2003A, 5.000%,	7/13 at 100.00	AAA	6,550,579
	7/01/23 (Pre-refunded 7/01/13) – MBIA Insured
4,465	Detroit, Michigan, Senior Lien Water Supply System Revenue Refunding Bonds, Series 2003C,	7/13 at 100.00	AAA	4,699,859
	5.000%, 7/01/22 – MBIA Insured
10,800	Michigan Strategic Fund, Limited Obligation Resource Recovery Revenue Refunding Bonds, Detroit	12/12 at 100.00	AAA	11,341,188
	Edison Company, Series 2002D, 5.250%, 12/15/32 – XLCA Insured
2,250	Romulus Community Schools, Wayne County, Michigan, General Obligation Refunding Bonds, Series	5/11 at 100.00	AA	2,355,188
	2001, 5.250%, 5/01/25
6,500	Wayne County, Michigan, Limited Tax General Obligation Airport Hotel Revenue Bonds, Detroit	12/11 at 101.00	AAA	6,764,485
	Metropolitan Wayne County Airport, Series 2001A, 5.000%, 12/01/30 – MBIA Insured
30,145	Total Michigan			31,711,299
	Missouri – 1.1% (0.7% of Total Investments)
240	Clay County Public School District 53, Liberty, Missouri, General Obligation Bonds, Series	3/14 at 100.00	AAA	258,338
	2004, 5.250%, 3/01/24 – FSA Insured
215	Clay County Public School District 53, Liberty, Missouri, General Obligation Bonds, Series	3/14 at 100.00	AAA	231,428
	2004, 5.250%, 3/01/23 – FSA Insured
	Clay County Public School District 53, Liberty, Missouri, General Obligation Bonds, Series
	2004:
1,110	5.250%, 3/01/23 (Pre-refunded 3/01/14) – FSA Insured	3/14 at 100.00	AAA	1,207,303
1,260	5.250%, 3/01/24 (Pre-refunded 3/01/14) – FSA Insured	3/14 at 100.00	AAA	1,370,452
2,825	Total Missouri			3,067,521
	Nebraska – 1.9% (1.3% of Total Investments)
5,000	Lincoln, Nebraska, Sanitary Sewerage System Revenue Refunding Bonds, Series 2003, 5.000%,	6/13 at 100.00	AAA	5,227,050
	6/15/28 – MBIA Insured
	Nevada – 0.9% (0.6% of Total Investments)
2,315	Clark County, Nevada, Subordinate Lien Airport Revenue Bonds, Series 2001B, 5.200%, 7/01/31	7/11 at 100.00	AAA	2,447,974
	(Pre-refunded 7/01/11) – FGIC Insured
	New Mexico – 0.8% (0.5% of Total Investments)
1,975	New Mexico State University, Revenue Bonds, Series 2004, 5.000%, 4/01/19 – AMBAC Insured	4/14 at 100.00	AAA	2,092,236
	New York – 10.9% (7.2% of Total Investments)
2,020	Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Series 2006, 4.500%, 2/15/47 –	2/17 at 100.00	AAA	1,997,396
	MBIA Insured (UB)
25,000	Metropolitan Transportation Authority, New York, Transportation Revenue Refunding Bonds,	11/12 at 100.00	AAA	26,095,250
	Series 2002F, 5.000%, 11/15/31 – MBIA Insured
1,850	New York State Urban Development Corporation, Service Contract Revenue Bonds, Series 2005B,	3/15 at 100.00	AAA	1,956,745
	5.000%, 3/15/25 – FSA Insured
28,870	Total New York			30,049,391
	North Carolina – 3.4% (2.2% of Total Investments)
8,700	North Carolina Medical Care Commission, Revenue Bonds, Maria Parham Medical Center, Series	10/13 at 100.00	AA	9,197,814
	2003, 5.375%, 10/01/33 – RAAI Insured
	Oklahoma – 0.4% (0.3% of Total Investments)
1,000	Oklahoma Capitol Improvement Authority, State Facilities Revenue Bonds, Series 2005F, 5.000%,	7/15 at 100.00	AAA	1,060,200
	7/01/24 – AMBAC Insured
	Oregon – 3.2% (2.1% of Total Investments)
8,350	Oregon Health Sciences University, Revenue Bonds, Series 2002A, 5.000%, 7/01/32 – MBIA Insured	1/13 at 100.00	AAA	8,705,376
	Pennsylvania – 8.9% (5.8% of Total Investments)
3,000	Lehigh County General Purpose Authority, Pennsylvania, Hospital Revenue Bonds, St. Luke’s	8/13 at 100.00	Baa1	3,138,570
	Hospital of Bethlehem, Series 2003, 5.375%, 8/15/33
2,000	Philadelphia Gas Works, Pennsylvania, Revenue Bonds, General Ordinance, Fourth Series 1998,	8/13 at 100.00	AAA	2,080,380
	5.000%, 8/01/32 – FSA Insured
925	Philadelphia, Pennsylvania, Water and Wastewater Revenue Bonds, Series 1997A, 5.125%,	8/07 at 102.00	AAA	946,534
	8/01/27 – AMBAC Insured (ETM)
4,075	Philadelphia, Pennsylvania, Water and Wastewater Revenue Bonds, Series 1997A, 5.125%,	8/07 at 102.00	AAA	4,175,938
	8/01/27 – AMBAC Insured
13,000	State Public School Building Authority, Pennsylvania, Lease Revenue Bonds, Philadelphia School	6/13 at 100.00	AAA	13,896,610
	District, Series 2003, 5.000%, 6/01/33 (Pre-refunded 6/01/13) – FSA Insured
23,000	Total Pennsylvania			24,238,032
	South Carolina – 7.4% (4.9% of Total Investments)
5,000	Florence County, South Carolina, Hospital Revenue Bonds, McLeod Regional Medical Center,	11/14 at 100.00	AAA	5,345,600
	Series 2004A, 5.250%, 11/01/23 – FSA Insured
	Greenville County School District, South Carolina, Installment Purchase Revenue Bonds, Series
	2003:
3,000	5.000%, 12/01/22	12/13 at 100.00	AA–	3,127,530
1,785	5.000%, 12/01/23	12/13 at 100.00	AA–	1,857,667
1,365	Myrtle Beach, South Carolina, Water and Sewerage System Revenue Refunding Bonds, Series 2003,	3/13 at 100.00	AAA	1,481,899
	5.375%, 3/01/19 (Pre-refunded 3/01/13) – FGIC Insured
8,000	South Carolina Transportation Infrastructure Bank, Revenue Bonds, Series 2002A, 5.000%,	10/12 at 100.00	Aaa	8,323,440
	10/01/33 – AMBAC Insured
19,150	Total South Carolina			20,136,136
	Texas – 12.9% (8.5% of Total Investments)
7,975	Fort Bend Independent School District, Fort Bend County, Texas, General Obligation Bonds,	8/10 at 100.00	AAA	8,203,803
	Series 2000, 5.000%, 8/15/25
12,500	Grand Prairie Independent School District, Dallas County, Texas, General Obligation Bonds,	2/13 at 100.00	AAA	13,055,250
	Series 2003, 5.125%, 2/15/31 – FSA Insured
2,000	Houston, Texas, First Lien Combined Utility System Revenue Bonds, Series 2004A, 5.250%,	5/14 at 100.00	AAA	2,148,740
	5/15/25 – MBIA Insured
5,515	Houston, Texas, General Obligation Refunding Bonds, Series 2002, 5.250%, 3/01/20 – MBIA Insured	3/12 at 100.00	AAA	5,838,179
5,850	Katy Independent School District, Harris, Fort Bend and Waller Counties, Texas, General	2/12 at 100.00	AAA	6,154,376
	Obligation Bonds, Series 2002A, 5.125%, 2/15/18
33,840	Total Texas			35,400,348
	Virginia – 0.5% (0.4% of Total Investments)
1,500	Hampton, Virginia, Revenue Bonds, Convention Center Project, Series 2002, 5.125%, 1/15/28 –	1/13 at 100.00	AAA	1,572,255
	AMBAC Insured
	Washington – 9.2% (6.0% of Total Investments)
4,945	Broadway Office Properties, King County, Washington, Lease Revenue Bonds, Washington Project,	12/12 at 100.00	AAA	5,122,921
	Series 2002, 5.000%, 12/01/31 – MBIA Insured
5,250	Chelan County Public Utility District 1, Washington, Hydro Consolidated System Revenue Bonds,	7/12 at 100.00	AAA	5,456,588
	Series 2002C, 5.125%, 7/01/33 – AMBAC Insured
2,135	Kitsap County Consolidated Housing Authority, Washington, Revenue Bonds, Bremerton Government	7/13 at 100.00	Aaa	2,227,083
	Center, Series 2003, 5.000%, 7/01/23 – MBIA Insured
1,935	Pierce County School District 343, Dieringer, Washington, General Obligation Refunding Bonds,	6/13 at 100.00	Aaa	2,073,062
	Series 2003, 5.250%, 12/01/17 – FGIC Insured
9,670	Washington State, General Obligation Bonds, Series 2003D, 5.000%, 12/01/21 – MBIA Insured	6/13 at 100.00	AAA	10,183,670
23,935	Total Washington			25,063,324
	West Virginia – 1.2% (0.8% of Total Investments)
3,000	West Virginia State Building Commission, Lease Revenue Refunding Bonds, Regional Jail and	No Opt. Call	AAA	3,376,470
	Corrections Facility, Series 1998A, 5.375%, 7/01/21 – AMBAC Insured
	Wisconsin – 6.7% (4.4% of Total Investments)
1,190	Sun Prairie Area School District, Dane County, Wisconsin, General Obligation Bonds, Series	3/14 at 100.00	Aaa	1,282,070
	2004C, 5.250%, 3/01/24 – FSA Insured
4,605	Wisconsin Health and Educational Facilities Authority, Revenue Bonds, Franciscan Sisters of	9/13 at 100.00	BBB+	4,914,824
	Christian Charity Healthcare Ministry, Series 2003A, 5.875%, 9/01/33
3,000	Wisconsin Health and Educational Facilities Authority, Revenue Bonds, Meriter Hospital Inc.,	No Opt. Call	AAA	3,429,720
	Series 1992A, 6.000%, 12/01/22 – FGIC Insured
3,600	Wisconsin Health and Educational Facilities Authority, Revenue Bonds, Wheaton Franciscan	8/13 at 100.00	A–	3,683,160
	Services Inc., Series 2003A, 5.125%, 8/15/33
4,750	Wisconsin Health and Educational Facilities Authority, Revenue Refunding Bonds, Wausau	8/08 at 102.00	AAA	4,913,590
	Hospital Inc., Series 1998A, 5.125%, 8/15/20 – AMBAC Insured
17,145	Total Wisconsin			18,223,364
$ 394,165	Total Investments (cost $394,909,902) – 151.5%			414,766,571
	Floating Rate Obligations (0.5)%			(1,345,000)
	Other Assets Less Liabilities – 1.6%			4,330,555
	Preferred Shares, at Liquidation Value – (52.6)%			(144,000,000)
	Net Assets Applicable to Common Shares – 100%			$ 273,752,126

	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, S&P 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 or Moody’s rating. Ratings below BBB by
	Standard & Poor’s Group or Baa by Moody’s Investor Service, Inc. are considered to be below
	investment grade.
(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.
(ETM)	Escrowed to maturity.
(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 the treatment of paydown gains and losses, 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.

At January 31, 2007, the cost of investments was $396,310,779.

Gross unrealized appreciation and gross unrealized depreciation of investments at January 31, 2007, were as follows:

Gross unrealized:
Appreciation	$19,932,876
Depreciation	(2,822,126)
Net unrealized appreciation (depreciation) of investments	$17,110,750

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 Tax-Free Advantage Municipal Fund

By (Signature and Title)* /s/ Jessica R. Droeger Jessica R. Droeger Vice President and Secretary

Date March 30, 2007

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 March 30, 2007

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

Date March 30, 2007

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