UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-6501 Name of Fund: MuniYield Michigan Insured Fund II, Inc. Fund Address: P.O. Box 9011 Princeton, NJ 08543-9011 Name and address of agent for service: Terry K. Glenn, President, MuniYield Michigan Insured Fund II, Inc., 800 Scudders Mill Road, Plainsboro, NJ, 08536. Mailing address: P.O. Box 9011, Princeton, NJ, 08543-9011 Registrant's telephone number, including area code: (609) 282-2800 Date of fiscal year end: 10/31/04 Date of reporting period: 05/01/04 - 07/31/04 Item 1 - Schedule of Investments MuniYield Michigan Insured Fund II, Inc. Schedule of Investments as of July 31, 2004 (in Thousands) S&P Moody's Face Ratings Ratings Amount Municipal Bonds Value Michigan - 141.4% AAA Aaa $ 2,400 Adrian, Michigan, City School District, GO, 5% due 5/01/2034(d) $ 2,395 Anchor Bay, Michigan, School District, GO (School Building and Site)(c)(f): AAA Aaa 4,250 Series I, 6% due 5/01/2009 4,817 AAA Aaa 3,165 Series II, 5.75% due 5/01/2010 3,585 AAA Aaa 4,775 Birmingham, Michigan, City School District, School Building and Site, GO 5% due 11/01/2033(d) 4,767 AA+ Aa1 2,150 Bullock Creek, Michigan, School District, GO, 5.50% due 5/01/2026(e) 2,263 AAA Aaa 2,175 Carman-Ainsworth, Michigan, Community School, GO, 5.50% due 5/01/2018(c) 2,391 AAA Aaa 1,000 Central Montcalm, Michigan, Public Schools, GO, 5.75% due 5/01/2024(e) 1,091 AAA Aaa 3,850 Charlotte, Michigan, Public School District, GO, 5.375% due 5/01/2029(c) 3,948 AAA Aaa 1,500 Comstock Park, Michigan, Public Schools, GO, 5.75% due 5/01/2029(c) 1,610 BBB Baa2 2,420 Delta County, Michigan, Economic Development Corporation, Environmental Improvement Revenue Refunding Bonds (Mead Westvaco-Escanaba), Series A, 6.25% due 4/15/2027 2,512 Detroit, Michigan, City School District, School Building and Site Improvement, GO, Series A(c): AAA Aaa 1,480 5.375% due 5/01/2024 1,560 AAA Aaa 2,000 5% due 5/01/2032 1,995 Detroit, Michigan, Water Supply System Revenue Bonds,: AAA NR* 1,000 DRIVERS, Series 200, 10.127% due 7/01/2028(c)(h) 1,296 AAA Aaa 4,600 Senior Lien, Series A, 5% due 7/01/2034(e) 4,554 AAA Aaa 1,300 Series B, 5.25% due 7/01/2032(e) 1,329 AAA Aaa 4,400 Series B, 5% due 7/01/2034(e) 4,356 BBB Baa2 2,500 Dickinson County, Michigan, Economic Development Corporation, Environmental Improvement Revenue Refunding Bonds (International Paper Company Project), Series A, 5.75% due 6/01/2016 2,600 Portfolio Abbreviations To simplify the listings of MuniYield Michigan Insured Fund II, Inc.'s portfolio holdings in the Schedule of Investments, we have abbreviated the names of many of the securities according to the list below. AMT Alternative Minimum Tax (subject to) COP Certificates of Participation DRIVERS Derivative Inverse Tax-Exempt Receipts GO General Obligation Bonds HDA Housing Development Authority PCR Pollution Control Revenue Bonds RIB Residual Interest Bonds MuniYield Michigan Insured Fund II, Inc. Schedule of Investments as of July 31, 2004 (concluded) (in Thousands) S&P Moody's Face Ratings Ratings Amount Municipal Bonds Value Michigan (concluded) BBB Baa2 $ 1,500 Dickinson County, Michigan, Economic Development Corporation, PCR, Refunding (Champion International Corporation Project), 5.85% due 10/01/2018 $ 1,531 A NR* 2,170 Dickinson County, Michigan, Healthcare System, Hospital Revenue Refunding Bonds, 5.80% due 11/01/2024(g) 2,220 East Grand Rapids, Michigan, Public School District, GO(d)(f): AAA Aaa 1,610 5.75% due 5/01/2009 1,807 AAA Aaa 6,300 6% due 5/01/2009 7,141 Eaton Rapids, Michigan, Public Schools, School Building and Site, GO(d): AAA Aaa 2,000 5.25% due 5/01/2023 2,106 AAA Aaa 1,000 5% due 5/01/2026 1,008 AAA Aaa 1,250 5% due 5/01/2029 1,253 A NR* 385 Flint, Michigan, Hospital Building Authority, Revenue Refunding Bonds (Hurley Medical Center), Series A, 5.375% due 7/01/2020(g) 387 AAA Aaa 1,200 Fowlerville, Michigan, Community Schools, School District GO, 5% due 5/01/2030(c) 1,202 AAA Aaa 3,650 Gibraltar, Michigan, School District, School Building and Site, GO, 5% due 5/01/2028(c) 3,664 Grand Blanc, Michigan, Community Schools, GO(c): AAA Aaa 1,000 5.625% due 5/01/2017 1,108 AAA Aaa 1,000 5.625% due 5/01/2018 1,108 AAA Aaa 1,100 5.625% due 5/01/2019 1,218 AAA Aaa 1,600 Grand Ledge, Michigan, Public Schools District, GO, Refunding, 5.375% due 5/01/2024(e) 1,664 Grand Rapids, Michigan, Building Authority Revenue Bonds, Series A(a): AAA Aaa 1,340 5.50% due 10/01/2018 1,476 AAA Aaa 320 5.50% due 10/01/2019 351 AAA Aaa 1,500 Grand Rapids, Michigan, Sanitation Sewer System Revenue Refunding and Improvement Bonds, Series A, 5.50% due 1/01/2022(c) 1,672 AAA Aaa 7,425 Hartland, Michigan, Consolidated School District, GO, 6% due 5/01/2010(c)(f) 8,506 AA+ Aa1 1,275 Haslett, Michigan, Public School District, Building and Site, GO, 5.625% due 5/01/2018(e) 1,411 AAA Aaa 2,000 Howell, Michigan, Public Schools, GO, 5.875% due 5/01/2009(e)(f) 2,256 AAA Aaa 2,660 Hudsonville, Michigan, Public Schools, School Building and Site, GO, 5% due 5/01/2029(d) 2,666 AAA Aaa 3,975 Jackson, Michigan, Public Schools, GO, 5.375% due 5/01/2022(c) 4,231 NR* Aaa 7,550 Kalamazoo, Michigan, Hospital Finance Authority, Hospital Facility Revenue Refunding Bonds (Bronson Methodist Hospital), 5.50% due 5/15/2028(e) 7,711 AAA Aaa 3,000 Kent, Michigan, Hospital Finance Authority Revenue Bonds (Spectrum Health), Series A, 5.50% due 1/15/2031(e) 3,103 AAA Aaa 1,440 Ludington, Michigan, Area School District, GO, 5.25% due 5/01/2023(e) 1,513 BBB NR* 1,000 Michigan Higher Education Facilities Authority, Limited Obligation Revenue Refunding Bonds (Hope College), Series A, 5.90% due 4/01/2032 1,019 Michigan Higher Education Facilities Authority, Revenue Refunding Bonds (College for Creative Studies): NR* Baa2 550 5.85% due 12/01/2022 556 NR* Baa2 1,000 5.90% due 12/01/2027 1,002 AAA Aaa 3,000 Michigan Higher Education Student Loan Authority, Student Loan Revenue Bonds, AMT, Series XVII-B, 5.40% due 6/01/2018(a) 3,098 Michigan State Building Authority, Revenue Bonds: AAA Aaa 1,185 (Facilities Program), Series II, 4.67%** due 10/15/2009(a)(b) 989 AAA Aaa 1,675 (Facilities Program), Series II, 4.77%** due 10/15/2010(a)(b) 1,330 AA+ Aaa 2,675 GO, RIB, Series 481, 9.64% due 4/15/2009(e)(h) 3,294 Michigan State Building Authority, Revenue Refunding Bonds: AAA Aaa 2,000 (Facilities Program), Series II, 5% due 10/15/2029(e) 2,004 NR* Aaa 3,500 RIB, Series 517X, 9.64% due 10/15/2010(d)(h) 4,347 Michigan State COP: AAA Aaa 3,870 5.50% due 6/01/2027(a) 4,045 AAA NR* 5,380 RIB, Series 530, 10.12% due 9/01/2011(e)(h) 6,874 AAA Aaa 1,500 Michigan State Comprehensive Transportation Revenue Refunding Bonds, Series A, 5.50% due 11/01/2018(d) 1,650 AAA Aaa 1,155 Michigan State, HDA, Rental Housing Revenue Bonds, AMT, Series A, 5.30% due 10/01/2037(e) 1,161 AAA Aaa 1,000 Michigan State, HDA, Revenue Refunding Bonds, AMT, Series B, 5.50% due 6/01/2030(e) 1,019 AAA Aaa 1,000 Michigan State Hospital Finance Authority, Hospital Revenue Bonds (Mid-Michigan Obligation Group), Series A, 5.50% due 4/15/2018(a) 1,070 Michigan State Hospital Finance Authority, Hospital Revenue Refunding Bonds: A+ A2 1,300 (Crittenton Hospital), Series A, 5.625% due 3/01/2027 1,323 A A1 1,250 (Sparrow Obligation Group), 5.625% due 11/15/2031 1,262 AAA Aaa 2,000 Michigan State Hospital Finance Authority Revenue Bonds (Mercy Health Services), Series R, 5.375% due 8/15/2026(a)(b) 2,115 Michigan State Hospital Finance Authority, Revenue Refunding Bonds: AAA Aaa 8,000 (Ascension Health Credit), Series A, 6.125% due 11/15/2009(e)(f) 9,225 AAA Aa2 2,500 (Ascension Health Credit), Series A, 6.125% due 11/15/2009(f) 2,883 AAA Aaa 3,760 (Ascension Health Credit), Series A, 6.25% due 11/15/2009(e)(f) 4,359 AAA Aaa 3,215 (Mercy Health Services), Series X, 6% due 8/15/2014(e) 3,615 AAA Aaa 1,000 (Mercy Mount Clemens), Series A, 6% due 5/15/2014(e) 1,121 AAA Aaa 2,000 (Mercy Mount Clemens), Series A, 5.75% due 5/15/2029(e) 2,100 AAA Aaa 1,250 (Mid-Michigan Obligation Group), Series A, 5.375% due 6/01/2027(d) 1,273 AAA Aaa 5,500 (Trinity Health), Series A, 6% due 12/01/2027(a) 5,981 AA- Aa3 1,000 (Trinity Health Credit), Series C, 5.375% due 12/01/2023 1,029 AA- Aa3 3,450 (Trinity Health Credit), Series C, 5.375% due 12/01/2030 3,483 Michigan State Strategic Fund, Limited Obligation Revenue Refunding Bonds: AAA Aaa 8,000 (Detroit Edison Company), AMT, Series A, 5.55% due 9/01/2029(e) 8,214 AAA Aaa 2,000 (Detroit Edison Company Fund - Pollution), Series AA, 6.95% due 5/01/2011(c) 2,392 A- A3 2,200 (Detroit Edison Pollution Control), Series C, 5.45% due 9/01/2029 2,220 A- A3 1,375 (Dow Chemical Company Project), AMT, 5.50% due 12/01/2028 1,428 NR* Aaa 5,000 RIB, Series 382, 11.39% due 9/01/2025(e)(h) 5,639 BBB Baa1 2,500 Michigan State Strategic Fund, PCR, Refunding (General Motors Corp.), 6.20% due 9/01/2020 2,654 AAA Aaa 1,500 Milan, Michigan, Area Schools, GO, Series A, 5.75% due 5/01/2010(c)(f) 1,699 AAA Aaa 6,500 Monroe County, Michigan, Economic Development Corp., Limited Obligation Revenue Refunding Bonds (Detroit Edison Co. Project), Series AA, 6.95% due 9/01/2022(c) 8,365 AAA Aaa 2,500 Oxford, Michigan, Area Community School District, GO, 5.40% due 5/01/2025(c) 2,608 AAA Aaa 1,000 Plainwell, Michigan, Community Schools, School District (School Building and Site), GO, 5.50% due 5/01/2018(d) 1,099 A NR* 1,000 Pontiac, Michigan, Tax Increment Finance Authority, Revenue Refunding Bonds (Tax Increment-Development Area Number 3), 5.375% due 6/01/2017(g) 1,021 AAA Aaa 1,000 Reed, Michigan, City Public Schools, School Building and Site, GO, 5% due 5/01/2026(d) 1,008 AA+ Aa1 1,900 Rochester, Michigan, Community School District, GO, Series II, 5.50% due 5/01/2018(e) 2,085 AAA Aaa 1,500 Romulus, Michigan, Community Schools, GO, 5.75% due 5/01/2009(c)(f) 1,684 Saginaw Valley State University, Michigan, General Revenue Refunding Bonds(c): NR* Aaa 1,450 5% due 7/01/2024 1,476 NR* Aaa 1,000 5% due 7/01/2034 998 NR* Aaa 6,500 Saint Clair County, Michigan, Economic Revenue Refunding Bonds (Detroit Edison Company), RIB, Series 282, 11.42% due 8/01/2024(a)(h) 8,260 AAA Aaa 2,650 South Lyon, Michigan, Community Schools, GO, Series A, 5.75% due 5/01/2023(e) 2,910 Southfield, Michigan, Public Schools, School Building and Site, GO, Series A(d): AAA Aaa 1,950 5.25% due 5/01/2027 2,019 AAA Aaa 1,000 5% due 5/01/2029 1,002 AAA Aaa 1,000 Sparta, Michigan, Area Schools, School Building and Site, GO, 5% due 5/01/2030(c) 1,000 AAA Aaa 6,500 Wayne Charter County, Michigan, Airport Revenue Bonds (Detroit Metropolitan Wayne County), AMT, Series A, 5.375% due 12/01/2015(e) 6,917 AAA Aaa 1,180 Wayne Charter County, Michigan, Detroit Metropolitan Airport, GO, Airport Hotel, Series A, 5% due 12/01/2030(e) 1,181 AAA Aaa 1,330 Zeeland, Michigan, Public Schools, School Building and Site, GO, 5% due 5/01/2029(e) 1,333 Guam 0.8% AAA Aaa 1,440 A.B. Won Guam International Airport Authority, General Revenue Refunding Bonds, Series A, 5.25% due 10/01/2019(e) 1,542 Puerto Rico 3.4% AAA Aaa 2,270 Puerto Rico Electric Power Authority, Power Revenue Bonds, Trust Receipts, Class R, Series 16 HH, 10.07% due 7/01/2013(d)(h) 2,917 BBB+ Baa2 2,900 Puerto Rico Public Finance Corporation, Commonwealth Appropriation Revenue Bonds, Series E, 5.75% due 2/01/2007(f) 3,146 Total Municipal Bonds (Cost - $239,787) - 145.6% 259,426 Shares Held Short-Term Securities 5,157 CMA Michigan Municipal Money Fund*** 5,157 Total Short-Term Securities (Cost - $5,157) - 2.9% 5,157 Total Investments (Cost - $244,944+) - 148.5% 264,583 Other Assets Less Liabilities - 1.5% 2,699 Preferred Stock, at Redemption Value - (50.0%) (89,133) ---------- Net Assets Applicable to Common Stock - 100.0% $ 178,149 ========== (a) AMBAC Insured. (b) Escrowed to maturity. (c) FGIC Insured. (d) FSA Insured. (e) MBIA Insured. (f) Prerefunded. (g) ACA Insured (h) The interest rate is subject to change periodically and inversely based upon prevailing market rates. The interest rate shown is the rate in effect at July 31, 2004. * Not Rated. ** Represents a zero coupon bond; the interest rate shown reflects the effective yield at the time of purchase by the Fund. *** Investments in companies considered to be an affiliate of the Fund (such companies are defined as "Affiliated Companies" in Section 2(a)(3) of the Investment Company Act of 1940) were as follows: (in Thousands) Net Dividend Affiliate Activity Income CMA Michigan Municipal Money Fund (3,352) $ 29 + The cost and unrealized appreciation/depreciation of investments as of July 31, 2004, as computed for federal income tax purposes were as follows: (in Thousands) Aggregate cost $ 244,944 ============== Gross unrealized appreciation $ 19,673 Gross unrealized depreciation (34) -------------- Net unrealized appreciation $ 19,639 ============== Forward interest rate swaps outstanding as of July 31, 2004 were as follows: (in Thousands) Notional Unrealized Amount Depreciation Receive a variable rate equal to 7-Day Bond Market Association Municipal Swap Index Rate and pay a fixed rate of 4.081% Broker, J.P. Morgan Chase Bank Expires August 2014 $ 6,000 $ (164) Receive a variable rate equal to 7-Day Bond Market Association Municipal Swap Index Rate and pay a fixed rate of 4.229% Broker, J.P. Morgan Chase Bank Expires August 2014 $ 7,100 (281) Receive a variable rate equal to 7-Day Bond Market Association Municipal Swap Index Rate and pay a fixed rate of 3.885% Broker, J.P. Morgan Chase Bank Expires October 2014 $13,500 (86) -------- Total $ (531) ======== Item 2 - Controls and Procedures 2(a) - The registrant's certifying officers have reasonably designed such disclosure controls and procedures to ensure material information relating to the registrant is made known to us by others particularly during the period in which this report is being prepared. The registrant's certifying officers have determined that the registrant's disclosure controls and procedures are effective based on our evaluation of these controls and procedures as of a date within 90 days prior to the filing date of this report. 2(b) - There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR 270.30a-3(d)) that occurred during the last fiscal quarter of the period covered by this report that has materially affected, or is 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. MuniYield Michigan Insured Fund II, Inc. By: _/s/ Terry K. Glenn________ Terry K. Glenn, President of MuniYield Michigan Insured Fund II, Inc. Date: September 17, 2004 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/ Terry K. Glenn________ Terry K. Glenn, President of MuniYield Michigan Insured Fund II, Inc. Date: September 17, 2004 By: _/s/ Donald C. Burke________ Donald C. Burke, Chief Financial Officer of MuniYield Michigan Insured Fund II, Inc. Date: September 17, 2004