| Strategy |
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FUND STRATEGY The Fund seeks high current income, preservation of capital and liquidity by investing in high quality short-term securities. |
A WORD ABOUT RISK
At times, the Fund's investments may represent industries or industry sectors that are interrelated or have common risks, making it more susceptible to any economic, political, or regulatory developments or other risks affecting those industries and sectors. Investing in foreign and/or emerging market securities involves risks relating to interest rates, currency exchange rates, economic, and political conditions. These risks may increase share price volatility.
| Fund Facts |
As of April 30, 2013
| Class | A Shares | Y Shares* |
| CUSIP | 723755104 | 723755609 |
| Nasdaq Symbol | PMTXX | PRYXX |
| Inception Date/ Performance Inception Date | 6/22/1987 | 6/22/1987 |
| Total Net Assets (millions) | $308.7 | $63.0 |
| Initial Minimum Investment | $1,000 | $5,000,000 |
| Management Fee | 0.40% | 0.40% |
| Gross Expense Ratio | 0.85% | 0.53% |
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Initial minimum investment amounts for retirement plans are lower. |
| Portfolio Characteristics |
As of April 30, 2013
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Based on the latest seven days as of the period's end with dividends annualized. The yield quotation more closely reflects the current earnings of the Money Market portfolio than the total return quotation.
For money market funds, the weighted average life of the securities (WAL) held in a fund or portfolio can be used as a measure of sensitivity to changes in liquidity and/or credit risk. Generally, the higher the value, the greater the sensitivity. WAL is based on the dollar-weighted average length of time until principal payments must be paid, taking into account any call options exercised by the issuer and any permissible maturity shortening features other than interest rate resets. For money market funds, the difference between weighted average maturity (WAM) and WAL is that WAM takes into account interest rate resets and WAL does not. WAL for money market funds is not the same as WAL of a mortgage- or asset-backed security.
For a full list of fund holdings, click here.
| Portfolio Management |
Seth Roman, Portfolio Manager
Mr. Roman joined Pioneer as a portfolio manager in March 2006 and has been an investment professional since 1995.
| Not FDIC insured | May lose value | No bank guarantee |
Before investing, consider the product's investment objectives, risks, charges and expenses. Contact your advisor or Pioneer Investments for a prospectus or summary prospectus containing this information. Read it carefully. To obtain a free prospectus and for information on any Pioneer fund, please download from our web site.



