Sec Form 4 Filing - Benchmark Plus Management, LLC @ MBIA CAPITAL/CLAYMORE MAN DUR INV GRD MUNI FUND - 2009-08-25

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Benchmark Plus Management, LLC 2. Issuer Name and Ticker or Trading Symbol MBIA CAPITAL/CLAYMORE MAN DUR INV GRD MUNI FUND [ MZF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 820 A STREET, SUITE 700 3. Date of Earliest Transaction (MM/DD/YY) 08/25/2009 (Street) TACOMA, WA98402 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value $0.001 ( 1 ) 08/25/2009 P 4,407 A $ 12.1832 228,291 I ( 2 ) By Benchmark Plus Institutional Partners Common Stock, par value $0.001 ( 1 ) 08/26/2009 P 8,000 A $ 12.2003 236,291 I ( 2 ) By Benchmark Plus Institutional Partners Common Stock, par value $0.001 ( 1 ) 08/25/2009 P 693 A $ 12.1832 56,678 I ( 3 ) By Benchmark Plus Partners Common Stock, par value $0.001 ( 1 ) 08/26/2009 P 7,600 A $ 12.2003 64,278 I ( 3 ) By Benchmark Plus Partners Common Stock, par value $0.001 ( 1 ) 08/27/2009 P 200 A $ 12.21 64,478 I ( 3 ) By Benchmark Plus Partners

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Benchmark Plus Management, LLC 820 A STREET SUITE 700 TACOMA, WA98402 X Benchmark Plus Institutional Partners, L.L.C. 820 A STREET SUITE 700 TACOMA, WA98402 X Benchmark Plus Partners, L.L.C. 820 A STREET SUITE 700 TACOMA, WA98402 X Ferguson Robert 820 A STREET SUITE 700 TACOMA, WA98402 X Franzblau Scott 820 A STREET SUITE 700 TACOMA, WA98402 X Signatures By: Benchmark Plus Management, L.L.C., By: /s/ Robert Ferguson, Managing Member 08/27/2009 Signature of Reporting Person Date By: Benchmark Plus Institutional Partners, L.L.C., By: Benchmark Plus Management, L.L.C., Managing Member, By: /s/ Robert Ferguson, Managing Member 08/27/2009 Signature of Reporting Person Date By: Benchmark Plus Partners, L.L.C., By: Benchmark Plus Management, L.L.C., Managing Member, By: /s/ Robert Ferguson, Managing Member 08/27/2009 Signature of Reporting Person Date /s/ Ferguson, Robert 08/27/2009 Signature of Reporting Person Date /s/ Franzblau, Scott 08/27/2009 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each of the Reporting Persons is a member of a Section 13(d) group with respect to the securities of the Issuer that beneficially owns in excess of 10% of the Issuer's outstanding Shares. As members of the group, each of the Reporting Persons may be deemed to beneficially own the securities of the Issuer beneficially owned by the other members of the group. The Reporting Persons disclaim beneficial ownership of the securities of the Issuer beneficially owned by the other members of the group except to the extent of his or its pecuniary interest therein. ( 2 )Shares owned directly by Benchmark Plus Institutional Partners, L.L.C. ("BPIP"). As the managing member of BPIP, Benchmark Plus Management, L.L.C. ("BPM") may be deemed to beneficially own the Shares owned by BPIP. As the managing members of BPM, Scott Franzblau and Robert Ferguson may each be deemed to beneficially own the Shares owned by BPIP. Each of Messrs. Franzblau and Ferguson and BPM disclaims beneficial ownership of such Shares except to the extent of his or its pecuniary interest therein. ( 3 )Shares owned directly by Benchmark Plus Partners, L.L.C. ("BPP"). As the managing member of BPP, BPM may be deemed to beneficially own the Shares owned by BPP. As the managing members of BPM, Scott Franzblau and Robert Ferguson may each be deemed to beneficially own the Shares owned by BPP. Each of Messrs. Franzblau and Ferguson and BPM disclaims beneficial ownership of such Shares except to the extent of his or its pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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