Highest-Yielding Money Market Funds ranked by 7-Day yield ( as of Sept. 16, 2026 )
Institutional Money Funds 7-Day Yield%
Federated Hermes Inst Prime Obligs IS (POIXX) 3.71
JPMorgan Prime MM Capital (CJPXX) 3.71
BlackRock Lq TempCash Inst (TMCXX) 3.69
Morgan Stanley Inst Liq Prime MMP Inst (MPFXX) 3.69
Western Asset Prem Inst Liq Res Capital (WAAXX) 3.63
Retail Money Funds 7-Day Yield%
Morgan Stanley IL Liq MMP Wealth (MWMXX) 3.72
Allspring MMF Prm (WMPXX) 3.71
JPMorgan Liquid Assets Capit (CJLXX) 3.71
Invesco Premier Institutional (IPPXX) 3.71
Goldman Sachs Investor MM Inst (FMJXX) 3.70
Tax Exempt Money Funds 7-Day Yield%
Goldman Sachs Inv Tax-Ex MMF In (FTXXX) 2.06
Allspring Nat T-F Prem (WFNXX) 1.90
Federated Hermes Muni Oblig WS (MOFXX) 1.84
JPMorgan Tax Free MM Instit (JTFXX) 1.78
Schwab Municipal MF Ultra (SWOXX) 1.78

Money Market News

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European mutual fund trade group Irish Funds published a white paper titled, "Tokenising Money Market Funds: Ireland's Practical Path to Fund Innovation." They write, "Tokenised money market funds are increasingly being adopted as a pragmatic response to frictions in today's collateral and liquidity management workflows. In stressed conditions, the need to redeem MMF holdings into cash in order to meet margin or funding demands can introduce avoidable settlement lag and operational complexity, and may amplify liquidity pressures. Tokenisation offers a route to mobilise MMF exposure more directly between eligible parties, supporting faster collateral movements while preserving the familiar risk profile and yield characteristics of regulated MMFs while reducing redemption and reinvestment risk for both shareholders and other market participants and removing fiat settlement lag." (Note: Next week's European Money Fund Symposium, which will be held Sept. 24-25, in Paris, will feature a number of discussions and sessions on Tokenized Money Funds. Safe travels, and we look forward to seeing many of you in France!)

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Inside Money Fund Intelligence

MFI PDF September 2026 Issue

Largest Money Fund Managers

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The September 2026 issue of Money Fund Intelligence features: “WSJ: Investors Cling to Cash; MMFs Not Trailing Inflation,” which reviews recent coverage of investors holding cash in money market funds; “European Money Fund Assets Hit Record $1.7 Tril.; Holdings,” which discusses the latest MFI International asset and portfolio holdings data; and, “Digital Deals Proliferate: New Focus on Asia, Corporates,” which covers new tokenized fund and digital cash deals.

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 August 31, 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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Sep 16
Teresa Ho Moves to Fidelity

Teresa Ho left J.P. Morgan Securities to start a new position as `US Macro Strategist at Fidelity Investments. We wish Teresa luck!

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Aug 17
Hazard Retires from Tradeweb/​ICD

Tory Hazard retired from Tradeweb/ICD. (See his LinkedIn post here.) He was CEO of ICD when it was acquired by Tradeweb, and was currently Head of the ICD Portal business for Tradeweb. We thank Tory for everything and wish him all the best!

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Aug 10
Western Seeks Research Analyst

Western Asset, part of Franklin Templeton, is seeking a Research Analyst based in New York. Click here for info.

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European Money Fund Symposium Paris 9/24-25

Thanks to those who attended and supported our Money Fund Symposium in Jersey City! Mark your calendars for next year's event, which will be June 23-25, 2027, in Philadelphia. Please join us for our European Money Fund Symposium, which is Sept. 24-25 in Paris. We're making plans too 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 Paris or Greenwich in 2026 or in Philadelphia in 2027!