RYFXX — U.S. Government Money Market Fund

Data updated: 2026-06-15

RYFXX — U.S. Government Money Market Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Money Market · 1.05% expense ratio. From SEC regulatory filings.

RYFXX Fund Overview

RYFXX — U.S. Government Money Market Fund is a US mutual fund managed by Rydex Series Funds, 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: Rydex Series Funds
  • Category: Money Market
  • Ticker: RYFXX
  • SEC CIK: 0000899148
  • SEC series ID: S000003657
  • Share class ID: C000113321

RYFXX Holdings

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

Holding% of net assets
JPMorgan Chase & Co.20.24%
Bank Of America20.24%
United States Treasury Bill5.39%
Federal Home Loan Banks5.19%
Federal Home Loan Banks5.19%
Federal Farm Credit Banks Funding Corp.4.54%
Federal Home Loan Banks4.32%
Federal Home Loan Bank Discount Notes4.32%
Federal Home Loan Bank Discount Notes4.31%
United States Treasury Bill4.31%

View all RYFXX holdings

RYFXX Costs and Fees

RYFXX costs about $105 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 1.05%
  • Gross expense ratio: 1.05%
  • Portfolio turnover: 0%

RYFXX Debt Constituents

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

RYFXX Prospectus and SEC Filings

Official 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.