Highest-Yielding Money Market Funds ranked by 7-Day yield ( as of May 8, 2026 )
Institutional Money Funds 7-Day Yield%
JPMorgan Prime MM Capital (CJPXX) 3.69
Morgan Stanley Inst Liq Prime MMP Inst (MPFXX) 3.67
Federated Hermes Inst Prime Obligs IS (POIXX) 3.67
BlackRock Lq TempCash Inst (TMCXX) 3.66
Western Asset Prem Inst Liq Res Capital (WAAXX) 3.61
Retail Money Funds 7-Day Yield%
Morgan Stanley IL Liq MMP Wealth (MWMXX) 3.71
Invesco Premier Institutional (IPPXX) 3.68
JPMorgan Liquid Assets Capit (CJLXX) 3.67
Allspring MMF Prm (WMPXX) 3.67
Federated Hermes Prime Cash Oblig WS (PCOXX) 3.63
Tax Exempt Money Funds 7-Day Yield%
Federated Hermes Inst Tax-Fr Cash Tr Pr (FTFXX) 2.84
JPMorgan Inst Tax Free MM Capital (JOCXX) 2.81
Western Asset Select Tax Free Res Sel (CIFXX) 2.81
Vanguard Municipal MMF (VMSXX) 2.77
Allspring Nat T-F Prem (WFNXX) 2.73

Money Market News

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Crane Data's latest monthly Money Fund Portfolio Holdings statistics will be sent out Monday, and we'll be writing our regular monthly update on the new April data for Tuesday's News. But we also already uploaded a separate and broader Portfolio Holdings data set based on the SEC's Form N-MFP filings on Friday. (We continue to merge the two series, and the N-MFP version is now available via our Portfolio Holdings file listings to Money Fund Wisdom subscribers.) Our new N-MFP summary, with data as of April 30, includes holdings information from 993 money funds (down 4 from last month), representing assets of $8.131 trillion (up from $8.127 trillion a month ago). Prime MMFs fell to $1.227 trillion (down from $1.251 trillion), or 15.1% of the total. We review the new N-MFP data and we also look at our revised MMF expense data, which shows charged expenses were mostly flat and money fund revenues fell to $21.3 billion (annualized) in April.

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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 18-19 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!