VMRXX - Vanguard Cash Reserves Federal Money Market Fund
7-day yield, assets, and how it ranks - from the September 2026 month-end N-MFP filing.
Data: September 2026 month-end SEC filings
All figures are from the September 2026 month-end Form N-MFP filings (report date ) - money-market funds must file within five business days of month-end. Regulatory data, not live quotes.
- As of the Form N-MFP filing (September 2026 month-end), VMRXX (Vanguard Cash Reserves Federal Money Market Fund) has a 7-day net yield of 3.80%.
- VMRXX's 7-day yield ranks #83 of 886 US money-market fund ticker share classes reporting a yield for September 2026.
- VMRXX is a Government money-market fund share class with $116.1B in net assets (#16 of 886 ticker classes by size).
- The fund's series-level 7-day gross yield was 3.90% - the 0.10-point gap to this class's net yield reflects fund expenses.
- At September 2026 month-end the fund's portfolio had a weighted average maturity (WAM) of 22 days and a weighted average life (WAL) of 50 days, with 55.5% of assets in daily liquid assets and 67.8% in weekly liquid assets (SEC minimums: 25% daily, 50% weekly).
- Twelve months earlier (September 2025) VMRXX's 7-day yield was 4.09% - it has moved down 0.29 points over the year.
- VMRXX's highest month-end 7-day yield in the SEC's structured data (since April 2016) is 5.32%, reported for November 2023.
Yield history
Portfolio (series level)
Compare
VMRXX vs VMFXX · VMRXX vs VUSXX · SPAXX vs VMRXX · SWVXX vs VMRXX · FDLXX vs VMRXX · SNSXX vs VMRXX · VMRXX vs SPRXX · VMRXX vs FDRXX · VMRXX vs FZFXX · VMRXX vs SNVXX · VMRXX vs SNOXX · VMRXX vs FZDXX · VMRXX vs SNAXX · VMRXX vs VMSXX · VMRXX vs SWOXX · VMRXX vs TSCXX · VMRXX vs GABXX
Fund context & source
Vanguard Cash Reserves Federal Money Market Fund is a series of Vanguard Money Market Reserves (SEC series ID S000004463). The whole series held $116.1B across all share classes at September 2026 month-end.
This page shows the class's month-end regulatory filing, not a live quote - 7-day yields move daily. For today's yield, check Vanguard. Verify the filing itself on EDGAR: N-MFP filings for this series.
State-tax note (2025 tax year)
Vanguard reports that 69.58% of VMRXX's 2025 dividend income came from US government obligations - the portion most states exempt from income tax. The fund met the 50%-of-assets test that California, Connecticut, and New York require (source). Figures change each tax year. Full table and calculator: tax-equivalent yield.
FAQ
What is VMRXX's 7-day yield?
As of the September 2026 month-end SEC Form N-MFP filing (September 30, 2026), VMRXX (Vanguard Cash Reserves Federal Money Market Fund) has a 7-day net yield of 3.80%.
Is VMRXX a government money market fund?
Yes - VMRXX is classified as a Government money-market fund in its own September 2026 Form N-MFP filing.
What is the minimum initial investment for VMRXX?
VMRXX reports a minimum initial investment of $3,000 on its September 2026 Form N-MFP filing.