Wealthy PotVMRXX Review (2026)
A very low fee government fund, often the highest net yield of Vanguardâs lineup
By Wealthy Pot · Last updated September 2026
Who VMRXX is for
Vanguard investors who want a cheap government fund and donât need a sweep
Yield, fees & minimum
Vanguard Cash Reserves Federal Money Market Fund (VMRXX) is a government money-market fund from Vanguard, with a 0.10% expense ratio and a $3,000 minimum. Its 7-day SEC yield (3.63% (7-day SEC yield)) moves with short-term rates. Confirm the current figure on the official page. State tax: partly state-tax-exempt (69.6% u.s. government obligations, 2025, not flagged for the ca/ct/ny threshold). It is not an automatic sweep: you buy and sell it yourself. It aims to hold a stable $1.00 share price, though that is a target rather than a guarantee.
The bottom line
A very low fee government fund, often the highest net yield of Vanguardâs lineup Main drawback: a $3,000 minimum; not usable as the settlement sweep.
Compare VMRXX withâŠ
See how VMRXX stacks up in our money-market fund comparison, or compare FDIC-insured options in our high-yield savings guide.
We summarize the fund's published facts, not user reviews. 7-day yields are variable, change daily, and are re-checked against Vanguard's official page. Money-market funds are not FDIC-insured and, while low-risk, can lose value in extreme conditions. Some outbound links may be affiliate links. That never affects which funds we include or how we rate them. Nothing here is financial advice.