UNITEDSTATES
SECURITIESANDEXCHANGECOMMISSION
Washington,D.C.20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-06196 and 811-21298

Name of Fund: CMA Treasury Fund and Master Treasury LLC

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer, CMA Treasury
Fund and Master Treasury LLC, 40 East 52 nd Street, New York, NY 10022.

Registrant’s telephone number, including area code: (800) 221-7210

Date of fiscal year end: 03/31/2010

Date of reporting period: 06/30/2009

Item 1 – Schedule of Investments


CMA Treasury Fund      
Schedule of Investments June 30, 2009 (Unaudited)   (Percentages shown are based on Net Assets)  
                                                                                                Mutual Fund     Value  
                                                                                                Master Treasury LLC     $ 2,704,548,606  
                                                                                                Total Investments (Cost - $2,704,548,606) - 100.0%   2,704,548,606  
                                                                                                Liabilities in Excess of Other Assets - (0.0)%   (166,220)  
                                                                                                Net Assets - 100.0%     $ 2,704,382,386  

Financial Accounting Standards Board Statement of Financial Accounting Standards No. 157, "Fair Value Measurements"
clarifies the definition of fair value, establishes a framework for measuring fair values and requires additional disclosures
about the use of fair value measurements. Various inputs are used in determining the fair value of investments, which are
as follows:

Level 1 - price quotations in active markets/exchanges for identical securities

Level 2 - other observable inputs (including, but not limited to: quoted prices for similar assets or liabilities in
markets that are active, quoted prices for identical or similar assets or liabilities in markets that are not active,
inputs other than quoted prices that are observable for the assets or liabilities (such as interest rates, yield
curves, volatilities, prepayment speeds, loss severities, credit risks and default rates) or other market-
corroborated inputs)

Level 3 - unobservable inputs based on the best information available in the circumstances, to the extent
observable inputs are not available (including the Fund's own assumptions used in determining the fair value of
investments)

The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated
with investing in those securities. For information about the Fund's policy regarding valuation of investments and
other significant accounting policies, please refer to the Fund's most recent financial statements as contained in
its annual report.

The following table summarizes the inputs used as of June 30, 2009
in determining the fair valuation of the Fund's investments:

  Valuation   Investments in  
  Inputs   Securities  
    Assets  
Level 1     -  
Level 2     $ 2,704,548,606  
Level 3     -  
Total     $ 2,704,548,606  


Master Treasury LLC      
Schedule of Investments June 30, 2009 (Unaudited)   (Percentages shown are based on Net Assets)  
  Par    
Issue   (000)               Value  
U.S. Treasury Obligations (a) - 109.2%      
U.S. Treasury Bills, 0.21% - 0.31%, 7/02/09   $ 408,750   $ 408,743,909  
U.S. Treasury Bills, 0.20%, 7/09/09   200,000   199,990,000  
U.S. Treasury Bills, 0.08%, 7/16/09   2,424   2,423,914  
U.S. Treasury Bills, 0.08% - 0.32%, 7/23/09   567,176   567,114,602  
U.S. Treasury Bills, 0.14% - 0.35%, 7/30/09   566,421   566,318,057  
U.S. Treasury Bills, 0.13% - 0.20%, 8/06/09   314,000   313,954,295  
U.S. Treasury Bills, 0.13% - 0.19%, 8/13/09   175,439   175,411,242  
U.S. Treasury Bills, 0.14% - 0.50%, 8/20/09   314,963   314,856,647  
U.S. Treasury Bills, 0.18% - 0.47%, 8/27/09   182,729   182,662,866  
U.S. Treasury Bills, 0.15% - 0.45%, 9/03/09   479,000   478,711,093  
U.S. Treasury Bills, 0.25% - 0.41%, 9/10/09   246,729   246,594,276  
U.S. Treasury Bills, 0.15% - 0.16%, 9/17/09   247,761   247,674,847  
U.S. Treasury Bills, 0.20%, 9/24/09   200,000   199,906,833  
U.S. Treasury Bills, 0.20% - 0.37%, 10/08/09   157,980   157,822,442  
U.S. Treasury Bills, 0.39% - 0.43%, 10/22/09   130,230   130,058,561  
U.S. Treasury Bills, 0.27% - 0.64%, 11/19/09   45,641   45,558,119  
U.S. Treasury Bills, 0.30%, 11/27/09   75,000   74,907,813  
U.S. Treasury Bills, 0.71%, 12/17/09   50,000   49,833,542  
U.S. Treasury Bills, 0.50%, 4/01/10   100,000   99,618,056  
Total Investments (Cost - $4,462,161,114*) - 109.2%     4,462,161,114  
Liabilities in Excess of Other Assets - (9.2)%     (376,998,279)  
Net Assets - 100.0%     $ 4,085,162,835  

* Cost for federal income tax purposes.
(a) Rates shown reflect the discount rates or range of discount rates paid at the time of purchase.

Ÿ Financial Accounting Standards Board Statement of Financial Accounting Standards No. 157, "Fair Value
Measurements" clarifies the definition of fair value, establishes a framework for measuring fair values and
requires additional disclosures about the use of fair value measurements. Various inputs are used in
determining the fair value of investments, which are as follows:

Ÿ Level 1 - price quotations in active markets/exchanges for identical securities
Ÿ Level 2 - other observable inputs (including, but not limited to: quoted prices for similar
assets or liabilities in markets that are active, quoted prices for identical or similar assets or
liabilities in markets that are not active, inputs other than quoted prices that are observable
for the assets or liabilities (such as interest rates, yield curves, volatilities, prepayment
speeds, loss severities, credit risks and default rates) or other market-corroborated inputs)

Ÿ Level 3 - unobservable inputs based on the best information available in the circumstances, to
the extent observable inputs are not available (including the Master LLC's own assumptions
used in determining the fair value of investments)

1


Master Treasury LLC

Schedule of Investments June 30, 2009 (Unaudited)

The inputs or methodology used for valuing securities are not necessarily an indication of the risk
associated with investing in those securities. For information about the Master LLC's policy regarding
valuation of investments and other significant accounting policies, please refer to the Master LLC's most
recent financial statements as contained in its annual report.

The following table summarizes the inputs used as of June 30, 2009 in
determining the fair valuation of the Master LLC's investments:

Valuation     Investments in  
Inputs     Securities  
    Assets  
Level 1     -  
Level 2   Short-Term Securities 1   $ 4,462,161,114  
Level 3     -  
Total     $ 4,462,161,114  

1 See above Schedule of Investments for values in each security type.

2


Item 2 – Controls and Procedures

2(a) – The registrants’ principal executive and principal financial officers or persons performing
similar functions have concluded that the registrants’ disclosure controls and procedures (as
defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the
“1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the
evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act
and Rule 15(d)-15(b) under the Securities Exchange Act of 1934, as amended.

2(b) – There were no changes in the registrants’ internal control over financial reporting (as
defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrants’ last fiscal
quarter that have materially affected, or are reasonably likely to materially affect, the
registrants’ 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, each registrant has duly caused this report to be signed on its behalf
by the undersigned, thereunto duly authorized.

CMA Treasury Fund and Master Treasury LLC

By: /s/ Anne F. Ackerley
Anne F. Ackerley
Chief Executive Officer of
CMA Treasury Fund and Master Treasury LLC

Date: August 21, 2009

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 each registrant and in the capacities and on the dates indicated.

By: /s/ Anne F. Ackerley
Anne F. Ackerley
Chief Executive Officer (principal executive officer) of
CMA Treasury Fund and Master Treasury LLC

Date: August 21, 2009

By: /s/ Neal J. Andrews
Neal J. Andrews
Chief Financial Officer (principal financial officer) of
CMA Treasury Fund and Master Treasury LLC

Date: August 21, 2009


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