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Institutional Investors
UBS Select 100% US Treasury Preferred Class P Fund (STAXX) UBS Select 100% US Treasury Preferred Class T Fund (SOPXX) UBS Select 100% US Treasury Institutional Fund (SIOXX) UBS Select Government Preferred Fund (SGPXX) UBS Select Government Institutional Fund (SEGXX) UBS RMA Government Money Market Fund (RMGXX) UBS Liquid Assets Government Fund UBS Government Money Market Investments Fund (PCEXX) UBS Select Treasury Preferred Fund (STPXX) UBS Select Treasury Institutional Fund (SETXX)
Individual Investors
UBS Select 100% US Treasury Preferred Class P Fund (STAXX) UBS Select 100% US Treasury Preferred Class T Fund (SOPXX) UBS Select 100% US Treasury Institutional Fund (SIOXX) UBS Prime Preferred Fund (UPPXX) UBS Prime Reserves Fund (UPRXX) UBS Select Government Preferred Fund (SGPXX) UBS Select Government Institutional Fund (SEGXX) UBS RMA Government Money Market Fund (RMGXX) UBS Liquid Assets Government Fund UBS Government Money Market Investments Fund (PCEXX) UBS Select Treasury Preferred Fund (STPXX) UBS Select Treasury Institutional Fund (SETXX)
Master Trust
Prime CNAV Master Fund Government Master Fund Treasury Master Fund 100% US Treasury Master Fund
Documents - All Funds
Tailored Shareholder Reports
US Money Market Reform Information
Daily Yields
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United States

Institutional Investors
UBS Select 100% US Treasury Preferred Class P Fund (STAXX) UBS Select 100% US Treasury Preferred Class T Fund (SOPXX) UBS Select 100% US Treasury Institutional Fund (SIOXX) UBS Select Government Preferred Fund (SGPXX) UBS Select Government Institutional Fund (SEGXX) UBS RMA Government Money Market Fund (RMGXX) UBS Liquid Assets Government Fund UBS Government Money Market Investments Fund (PCEXX) UBS Select Treasury Preferred Fund (STPXX) UBS Select Treasury Institutional Fund (SETXX)
Individual Investors
UBS Select 100% US Treasury Preferred Class P Fund (STAXX) UBS Select 100% US Treasury Preferred Class T Fund (SOPXX) UBS Select 100% US Treasury Institutional Fund (SIOXX) UBS Prime Preferred Fund (UPPXX) UBS Prime Reserves Fund (UPRXX) UBS Select Government Preferred Fund (SGPXX) UBS Select Government Institutional Fund (SEGXX) UBS RMA Government Money Market Fund (RMGXX) UBS Liquid Assets Government Fund UBS Government Money Market Investments Fund (PCEXX) UBS Select Treasury Preferred Fund (STPXX) UBS Select Treasury Institutional Fund (SETXX)
Master Trust
Prime CNAV Master Fund Government Master Fund Treasury Master Fund 100% US Treasury Master Fund
Documents - All Funds
Tailored Shareholder Reports
US Money Market Reform Information
Daily Yields

UBS Government Money Market Investments Fund (PCEXX)

Fund Information - Daily Liquid Assets Weekly Liquid Assets Daily Net Inflows/Outflows Six-month Historical NAV Documents

Investment Objective

Current income consistent with preservation of capital and liquidity.

Ticker symbol PCEXX
CUSIP 69373W764
Minimum Initial Investment See fund prospectus
Inception Date 8/24/1995
Deadlines Investment: 4:00 p.m (ET)
Redemption: 4:00 p.m. (ET)
Settlement T+1
Daily Yield
Unsubsidized yield2
7-Day Yield
Unsubsidized yield2
30-Day Yield
Unsubsidized yield2
Dividend Factor3
NAV4
Weighted Average Maturity (Days)
Weighted Average Life (Days)
Net Portfolio Assets ($)5

Daily Liquid Assets1

% of Fund's total assets

Effective April 2, 2024 the daily liquidity requirements increased from 10% to 25%. The chart above reflects the prior 6 months of daily liquidity. The blue line represents the 10% daily liquidity threshold prior to April 2, 2024 and the green line represents the current threshold of 25%.

Investment Approach

The fund is a money market fund and seeks to maintain a stable price of $1.00 per share. To do this, the fund invests in a diversified portfolio of high quality, US government money market instruments and in related repurchase agreements.

Portfolio Management Robert Sabatino, Managing Director
David J. Walczak, CFA, FRM, Managing Director

1"Daily liquid assets" is a term defined in US SEC Rule 2a-7 (which governs money market funds) and includes cash, direct obligations of the US government and securities that mature or are subject to a demand feature exercisable and payable within one business day.

2Unsubsidized yield refers to the yield before waivers/reimbursements.

3Dividend factor represents the daily dividend amount per share. On Fridays and/or before non-business holidays, the dividend factor is increased to reflect the anticipated accrual of dividends on subsequent non-business days of the same month. Shares earn dividends on the day they are purchased but do not earn dividends on the day they are sold.

4Based upon latest strike price.

5Assets are quoted in USD/millions.

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* The UBS Tax-Free Funds were liquidated on December 13, 2024. The historical information provided for UBS Tax-Free Funds is for informational purposes and be deleted from this website later in 2025.

* The UBS Select Prime Funds merged into the UBS Prime Funds effective as of August 23, 2024. The historical information provided for UBS Select Prime Funds is for informational purposes and is expected to be deleted from this website in March 2025.

Mutual funds are sold by prospectus, which includes more complete information on risks, charges, expenses and other matters of interest. Investors should read the prospectus carefully before investing. You may obtain a prospectus by selecting the "Documents – All Funds" tab on the navigation bar above and clicking the "PDF" link under the column "Prospectus" in the row for that particular fund.

Performance data quoted represent past performance, and the Fund's yield will fluctuate. Past performance does not guarantee future results. Current performance may be lower or higher than the performance data quoted.

Current and future portfolio holdings are subject to risk.

For UBS Prime Funds
You could lose money by investing in the Fund. Although the fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. The Fund may impose a fee upon the sale of your shares under certain circumstances or, until October 2, 2023, may temporarily suspend your ability to sell shares if the Fund’s liquidity falls below a required minimum because of market conditions or other factors. An investment in the Fund is not a bank account and not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund’s sponsor is not required to reimburse the Fund for losses, and you should not expect that the sponsor will provide financial support to the Fund at any time, including during periods of market stress.

For UBS Select Government Funds and UBS Select Treasury Funds and 100% US Treasury Fund
You could lose money by investing in the Fund. Although the fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. An investment in the Fund is not a bank account and not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund’s sponsor is not required to reimburse the Fund for losses, and you should not expect that the sponsor will provide financial support to the Fund at any time, including during periods of market stress.

For more information, contact UBS Asset Management (US) Inc. at 888-793 8637. Mutual funds are sold by prospectus, which includes more complete information on risks, charges, expenses and other matters of interest. Investors should read the prospectus carefully before investing. An investment in the Fund is only one component of a balanced investment plan.

Not FDIC Insured. May lose value. No bank guarantee.

UBS Asset Management (US) Inc. is each money market fund's distributor.