Highest-Yielding Money Market Funds ranked by 7-Day yield ( as of May 29, 2026 )
Institutional Money Funds 7-Day Yield%
JPMorgan Prime MM Capital (CJPXX) 3.67
Federated Hermes Inst Prime Obligs IS (POIXX) 3.67
Morgan Stanley Inst Liq Prime Inst (MPFXX) 3.65
Western Asset Prem Inst Liq Res Capital (WAAXX) 3.64
BlackRock Lq TempCash Inst (TMCXX) 3.63
Retail Money Funds 7-Day Yield%
Morgan Stanley IL Liq MMP Wealth (MWMXX) 3.68
Invesco Premier Institutional (IPPXX) 3.66
JPMorgan Liquid Assets Capit (CJLXX) 3.66
Allspring MMF Prm (WMPXX) 3.65
Federated Hermes Prime Cash Oblig WS (PCOXX) 3.63
Tax Exempt Money Funds 7-Day Yield%
Goldman Sachs Inv Tax-Ex MMF In (FTXXX) 1.92
Allspring Nat T-F Prem (WFNXX) 1.90
Federated Hermes Muni Oblig WS (MOFXX) 1.88
Schwab NY Municipal MF Ultra (SNYXX) 1.82
JPMorgan Municipal MM Instit (IJMXX) 1.81

Money Market News

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The U.S. Securities and Exchange Commission published its latest monthly "Money Market Fund Statistics" summary, which shows that total money fund assets decreased by $102.3 billion in April 2026 to $8.188 trillion, after falling to $8.290 trillion the month prior and hitting a record high $8.341 trillion two months prior. The SEC shows Prime MMFs decreased $26.2 billion in April to $1.356 trillion, Govt & Treasury funds decreased $75.9 billion to $6.680 trillion and Tax Exempt funds decreased $0.3 billion to $151.6 billion. Taxable yields were mixed in April, while Tax Exempt MMFs yields were higher. The SEC's Division of Investment Management summarizes monthly Form N-MFP data and includes asset totals and averages for yields, liquidity levels, WAMs, WALs, holdings, and other money market fund trends. We review their latest numbers below. (Our MFI XLS monthly shows money fund assets decreasing $99.0 billion in April 2026 to $8.099 trillion. In May month-to-date through 5/28, total money fund assets have increased by $197.6 billion to a record high $8.281 trillion, according to Crane Data's separate, and slightly smaller, MFI Daily series.)

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Inside Money Fund Intelligence

MFI PDF May 2026 Issue

Largest Money Fund Managers

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The May 2026 issue of Money Fund Intelligence features: “Crane Data Celebrates 20th BDay; A Tale of Two Decades,” which reviews MFI’s two decades of covering the money fund business; “ICI 2026 Fact Book Shows Money Fund Trends in ’25,” which excerpts from the Investment Company Institute’s latest annual statistical compilation; and, “JP Morgan Talk of AI Cash Tool Hot Topic on Q1 Calls” which discusses recent earnings call discussions on competition to cash sweeps.

Each monthly issue of Money Fund Intelligence features news, performance information and rankings on money market mutual funds. Statistics include: assets, weighted average maturity, weighted average life, expense ratio, 7-day yield, 30-day yield, 1-year, 3-yr, 5-yr, 10-yr, and since inception return, as well as 7- and 30-day gross yields. MFI also contains tables of the top-yielding and the largest money funds, and our benchmark Crane Money Fund Indexes.

Subscriptions are $500 a year, and include online access to archived issues and additional features. Bulk discounts and site licenses are available. Write info@cranedata.com or call 1-508-439-4419 to subscribe or to request more information.

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The table below is excerpted from our monthly spreadsheet product, Money Fund Intelligence XLS. It shows the largest money market mutual fund managers as of April 30, 2026. (MFI XLS contains percentile rankings, fund family rankings, MNAVs, WLA, portfolio composition, and more).

Excerpt from MFI XLS

About Crane Data LLC

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Crane Data is a money market and mutual fund information company founded by Peter G. Crane and Shaun Cutts. We collect money market mutual fund, bank savings, and cash investment performance, statistics, and information and distribute rankings, news, and indexes.

Crane Data publishes Money Fund Intelligence, Money Fund Intelligence XLS, Money Fund Wisdom, the Crane Money Fund Indexes, and a series of products tracking money markets, mutual funds and cash investments. We also produce conferences, including Crane's Money Fund Symposium. For more information and samples, e-mail info@cranedata.com or call us at 1-508-439-4419.

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May 04
Hoppe Retiring from Minneapolis

Allen Hoppe is retiring from the City of Minneapolis. Dave Wheeler will take over as Senior Manager. We wish Allen all the best in retirement!

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Apr 06
Ryan Joins Barclays; Collins Leaves

Cory Ryan joined Barclays to head NY Sales. He was previously with Jefferies. Meanwhile London-based Steve Collins is no longer with Barclays.

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Mar 03
Cloherty Joins CIBC

Mike Cloherty has joined CIBC as Head of US Rates Strategy. He was previously with UBS.

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Crane Data News & Features

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Money Fund Symposium Jersey City, 6/24-26

Register soon for our big show, Money Fund Symposium, which is June 24-26, 2026 in Jersey City, NJ! Start making plans too for our European Money Fund Symposium, which is Sept. 24-25 in Paris, and mark your calendars for our Money Fund University, which is Dec. 17-18 in Greenwich, Conn., and for our next Bond Fund Symposium, which is March 22-23, 2027 in Philadelphia. Subscribers and attendees may access the recordings and conference materials (except for European MFS) via our "Content" page. Contact us and let us know if you'd like more information on any future (or past) shows. We hope to see you in Jersey City, Paris or Greenwich in 2026!