MFS® U.S. Government Money Market Fund

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Effective February 27, 2009, new purchases into this fund have been suspended. Please see the prospectus for more information on purchase restrictions.

Fund Overview

Objective

Seeks a high level of current income consistent with preservation of capital and liquidity.

Managers

Fund Information

MCMXXSYMBOL

$1.00

DAILY NAV AS OF 3/26/15

$365 M NET ASSETS AS OF 2/28/15
Fund Commencement
12/19/75
Class Inception
12/19/75
Net Assets ($M)
As of 2/28/15
$365.91
Maximum Sales Charge
--
Net Asset Value (NAV)
As of 3/26/15
$1.00
NAV Change
$0.00  | 0.0%
Fiscal Year End
AUGUST
Fund Number
10
Gross Expense ratio
0.62 %
Net Expense ratio
0.62 %

Gross Expense Ratio is the fund’s total operating expense ratio from the fund’s most recent prospectus.

Net Expense Ratio reflects the reduction of expenses from fee waivers and reimbursements. Elimination of these reductions will result in higher expenses and lower performance.

Top 10 Holdings Details

As of 2/28/15

Federal Home Loan Bank 0.055 Apr 01 15
Us Treasury Bill 0.052 May 07 15
Federal Home Loan Bank 0.000 Apr 01 15
Us Treasury Bill 0.090 Jul 09 15
Us Treasury Bill 0.275 Jan 07 16
Federal Home Loan Bank 0.033 Mar 04 15
Federal Home Loan Bank 0.065 Apr 08 15
Federal Home Loan Bank 0.04 Mar 03 15
Federal Home Loan Bank 0.045 Mar 11 15
Federal Home Loan Bank 0.055 Apr 01 15

44.19% of total net assets

Total number of holdings: 43

Full and Historical Holdings
Monthly Fund Holdings

The portfolio is actively managed, and current holdings may be different.

Average Annual Total Returns % Details

These results represent the percent change in net asset value.

As of 2/28/15 (YTD Updated Daily, as of 3/26/15) As of 12/31/14
 

*YTD Updated Daily as of 3/26/15 , subject to revision and not annualized.

Performance data shown represents past performance and is no guarantee of future results. Investment return and principal value fluctuate so your shares, when sold, may be worth more or less than the original cost; current performance may be lower or higher than quoted.

An investment in the portfolio is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Although the portfolio seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the portfolio.

Performance data shown represents past performance and is no guarantee of future results. Investment return and principal value fluctuate so your shares, when sold, may be worth more or less than the original cost; current performance may be lower or higher than quoted.

An investment in the portfolio is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Although the portfolio seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the portfolio.

Important Performance Information

Performance results reflect any applicable expense subsidies and waivers in effect during the periods shown. Without such subsidies and waivers the fund's performance results would be less favorable. All results are historical and assume the reinvestment of dividends and capital gains.

Sales Charges

Class A shares ("A") for MFS U.S. Government Cash Reserve Fund and MFS U.S. Government Money Market Fund may be purchased and redeemed at net asset value and have no initial sales charge.

Important Risk Considerations

  • Although the fund seeks to preserve the value of your investment at $1.00 per share, it may not achieve its objective, and you could lose money on your investment in the fund. A major increase in interest rates or a decline in the credit quality of an issuer or entity providing credit support, an inactive trading market for money market instruments, or adverse market, economic, political, regulatory, geopolitical, or other conditions could cause the fund's share price to decrease to below $1.00.

  • Events that affect the banking or related industries may have a significant adverse effect on the fund.

  • The fund's performance could be more volatile than the performance of more diversified funds.

  • Please see the prospectus for further information on these and other risk considerations.

Product Insights

This publication is authorized for distribution only when preceded or accompanied by a prospectus, or summary prospectus, for the portfolio being offered. Consider the fund's investment objectives, risks, charges and expenses. Contact MFS or view online. Read it carefully.