Crane Data's latest monthly Money Fund Market Share rankings show assets sharply higher among the largest U.S. money fund complexes in May, after declining in April. Assets have increased in 20 of the past 23 months (April 2025, March 2026 and April 2026 saw declines). Money market fund assets rose by $193.2 billion, or 2.4%, last month to a record $8.292 trillion. Total MMF assets increased by $42.2 billion, or 0.5%, over the past 3 months, and they've increased by $878.3 billion, or 11.8%, over the past 12 months. The largest increases among the 25 largest managers last month were seen by Fidelity, JPMorgan, Vanguard, SSIM and American Funds, which grew assets by $37.7 billion, $36.7B, $30.2B, $29.6B and $14.2B, respectively. Declines in May were seen by T Rowe Price, Goldman Sachs, Allspring, HSBC and DWS, which decreased by $5.2 billion, $4.8B, $4.5B, $3.1B and $2.8B, respectively. Our domestic U.S. "Family" rankings are available in our MFI XLS product, our global rankings are available in our MFI International product. The combined "Family & Global Rankings" are available to Money Fund Wisdom subscribers. We review the latest market share totals, and look at money fund yields, which were slightly lower in May.
Over the past year through May 31, 2026, Fidelity (up $184.0B, or 12.0%), JPMorgan (up $145.8B, or 18.7%), BlackRock (up $85.0B, or 13.4%), Vanguard (up $83.8B, or 12.1%) and SSIM (up $77.3B, or 31.2%) were the largest gainers. Fidelity, Vanguard, BNY Dreyfus, BlackRock and JPMorgan had the largest asset increases over the past 3 months, rising by $30.2B, $20.1B, $15.6B, $13.3B and $12.3B, respectively. The largest decline over 12 months was seen by: American Funds (down $10.1B), T Rowe Price (down $9.4B), DWS (down $5.5B) and Invesco (down $5.1B). The largest declines over 3 months included: Goldman Sachs (down $28.7B), Federated Hermes (down $15.7B), T Rowe Price (down $9.0B), Allspring (down $8.3B) and UBS (down $5.9B).
Our latest domestic U.S. Money Fund Family Rankings show that Fidelity Investments remains the largest money fund manager with $1.714 trillion, or 20.7% of all assets. Fidelity was up $37.7B in May, up $30.2B over 3 mos., and up $184.0B over 12 months. JPMorgan ranked second with $923.6 billion, or 11.1% market share (up $36.7B, up $12.3B and up $145.8B for the past 1-month, 3-mos. and 12-mos., respectively). Vanguard ranked in third place with $778.7 billion, or 9.4% of assets (up $30.2B, up $20.1B and up $83.8B). BlackRock ranked fourth with $719.5 billion, or 8.7% market share (up $11.0B, up $13.3B and up $85.0B), while Schwab was the fifth largest MMF manager with $693.2 billion, or 8.4% of assets (up $6.5B, down $2.3B and up $47.8B for the past 1-month, 3-mos. and 12-mos.).
Federated Hermes was in sixth place with $514.2 billion, or 6.2% (up $4.9B, down $15.7B and up $33.5B), while Goldman Sachs was in seventh place with $454.0 billion, or 5.5% of assets (down $4.8B, down $28.7B and up $28.0B). BNY Dreyfus ($355.4B, or 4.3%) was in eighth place (up $14.0B, up $15.6B and up $63.4B), followed by Morgan Stanley ($349.7B, or 4.2%; up $7.7B, up $11.2B and up $68.0B). SSIM was in 10th place ($324.8B, or 3.9%; up $29.6B, up $11.0B and up $77.3B).
The 11th through 20th-largest U.S. money fund managers (in order) include: Allspring ($220.2B, or 2.7%), Northern ($206.9B, or 2.5%), First American ($202.0B, or 2.4%), American Funds ($168.3B, or 2.0%), Invesco ($163.3B, or 2.0%), UBS ($118.3B, or 1.4%), Franklin Templeton ($48.9B, or 0.6%), HSBC ($48.3B, or 0.6%), T Rowe Price ($46.2B, or 0.6%) and DWS ($38.4B, or 0.5%). Crane Data currently tracks 64 U.S. MMF managers, unchanged from last month.
When European and "offshore" money fund assets -- those domiciled in places like Ireland, Luxembourg and the Cayman Islands -- are included, the top 10 managers are the same as the domestic list, except: BlackRock moves up to the No. 3 spot and Vanguard moves down to the No. 4 spot. Goldman Sachs moves up to the No. 6 spot, while Federated Hermes moves down to the No. 7 spot. Morgan Stanley moves up to the No. 8 spot while BNY Dreyfus moves down to the No. 9 spot. Global Money Fund Manager Rankings include the combined market share assets of our MFI XLS (domestic U.S.) and our MFI International ("offshore") products.
The largest Global money market fund families include: Fidelity ($1.739 trillion), JP Morgan ($1.221 trillion), BlackRock ($1.085 trillion), Vanguard ($778.7B) and Schwab ($693.2B). Goldman Sachs ($619.5B) was in sixth, Federated Hermes ($528.8B) was seventh, followed by Morgan Stanley ($461.0B), Dreyfus/BNY ($422.1B) and SSIM ($382.7B), which round out the top 10. These totals include "offshore" U.S. Dollar money funds, as well as Euro and Pound Sterling (GBP) funds converted into U.S. dollar totals.
The June issue of our Money Fund Intelligence and MFI XLS, with data as of 5/31/26, shows that yields were down in May across some of the Crane Money Fund Indexes. The Crane Money Fund Average, which includes all taxable funds covered by Crane Data (currently 749), was 3.34% (down 2 bps) for the 7-Day Yield (annualized, net) Average, the 30-Day Yield was down 7 bps to 3.29%. The MFA's Gross 7-Day Yield was at 3.73% (down 3 bps), and the Gross 30-Day Yield was down 7 bps at 3.65%. (Gross yields will be revised once we download the SEC's Form N-MFP data for 5/31/26 on Monday.)
Our Crane 100 Money Fund Index shows an average 7-Day (Net) Yield of 3.45% (down 3 bps) and an average 30-Day Yield at 3.37% (down 9 bps). The Crane 100 shows a Gross 7-Day Yield of 3.71% (down 3 bps), and a Gross 30-Day Yield of 3.64% (down 9 bps). Our Prime Institutional MF Index (7-day) yielded 3.58% (down 2 bps) as of May 31. The Crane Govt Inst Index was at 3.43% (down 3 bps) and the Treasury Inst Index was at 3.42% (down 2 bps). Thus, the spread between Prime funds and Treasury funds is 16 basis points, and the spread between Prime funds and Govt funds is 15 basis points. The Crane Prime Retail Index yielded 3.34% (down 3 bps), while the Govt Retail Index was 3.16% (down 2 bps), the Treasury Retail Index was 3.18% (down 1 bp from the month prior). The Crane Tax Exempt MF Index yielded 1.56% (down 137 bps) at the end of May.
Gross 7-Day Yields for these indexes to end May were: Prime Inst 3.81% (down 2 bps), Govt Inst 3.68% (down 3 bps), Treasury Inst 3.69% (down 2 bps), Prime Retail 3.81% (down 3 bps), Govt Retail 3.68% (down 3 bps) and Treasury Retail 3.69% (down 2 bps). The Crane Tax Exempt Index fell to 1.95% (down 137 bps). The Crane 100 MF Index returned on average 0.30% over 1-month, 0.88% over 3-months, 1.42% YTD, 3.83% over the past 1-year, 4.58% over 3-years annualized), 3.36% over 5-years, and 2.16% over 10-years.
The total number of funds, including taxable and tax-exempt, was up 5 in May at 860. There are currently 749 taxable funds, up 5 from the previous month, and 111 tax-exempt money funds (unchanged from last month). (Contact us if you'd like to see our latest MFI XLS, Crane Indexes or Market Share report.)
