MCMXX — MFS U.S. Government Money Market Fund

Data updated: 2025-12-29

MCMXX — MFS U.S. Government Money Market Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Money Market · 0.45% expense ratio. From SEC regulatory filings.

MCMXX Fund Overview

MCMXX — MFS U.S. Government Money Market Fund is a US mutual fund managed by Mfs Series Trust IV, categorised as Money Market. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US mutual fund
  • Manager: Mfs Series Trust IV
  • Category: Money Market
  • Ticker: MCMXX
  • SEC CIK: 0000063068
  • SEC series ID: S000002435
  • Share class ID: C000006517

MCMXX Holdings

Top 10 holdings of MFS U.S. Government Money Market Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
Bank of America NA15.83%
Fixed Income Clearing Corp. - State Street Bank & Trust Co.15.83%
U.S. Treasury Bill7.30%
Federal Home Loan Bank4.63%
U.S. Treasury Bill4.50%
U.S. Treasury Bill3.85%
U.S. Treasury Bill3.63%
U.S. Treasury Bill3.58%
U.S. Treasury Bill3.55%
Federal Farm Credit Bank3.37%

View all MCMXX holdings

MCMXX Costs and Fees

MCMXX costs about $45 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.45%
  • Gross expense ratio: 0.60%

MCMXX Debt Constituents

No individual debt constituents are reported in MFS U.S. Government Money Market Fund's latest SEC N-PORT filing.

MCMXX Prospectus and SEC Filings

Official MFS U.S. Government Money Market Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other Money Market funds tracked on ABC INVEST:

Data Sources

ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.