The Investment Company Institute published its weekly "Money Market Fund Assets" on Thursday. The report shows money fund assets increasing by $20.1 billion to a record high $7.817 trillion, after rising by $5.7 billion the previous week. Eight weeks ago, assets hit their previous record $7.804 trillion. Assets have risen in 19 of the last 24 weeks and 27 of the past 33 weeks. MMF assets are up by $791 billion, or 11.3%, over the past 52 weeks (through 3/4/26), with Institutional MMFs up $550 billion, or 13.1% and Retail MMFs up $242 billion, or 8.5%. Year-to-date in 2026, MMF assets are up by $84 billion, or 1.1%, with Institutional MMFs up $79 billion, or 1.7% and Retail MMFs up $4 billion, or 0.1%. ICI's weekly release says, "Total money market fund assets increased by $20.11 billion to $7.82 trillion for the week ended Wednesday, March 4, the Investment Company Institute reported.... Among taxable money market funds, government funds increased by $18.68 billion and prime funds increased by $3.41 billion. Tax-exempt money market funds decreased by $1.98 billion." ICI's stats show Institutional MMFs increasing $10.1 billion and Retail MMFs increasing $10.1 billion in the latest week. Total Government MMF assets, including Treasury funds, were $6.430 trillion (82.3% of all money funds), while Total Prime MMFs were $1.244 trillion (15.9%). Tax Exempt MMFs totaled $142.2 billion (1.8%). It explains, "Assets of retail money market funds increased by $10.05 billion to $3.08 trillion. Among retail funds, government money market fund assets increased by $9.24 billion to $1.95 trillion, prime money market fund assets increased by $2.43 billion to $1.00 trillion, and tax-exempt fund assets decreased by $1.62 billion to $128.97 billion." Retail assets account for 39.4% of the total, and Government Retail assets make up 63.3% of all Retail MMFs. They add, "Assets of institutional money market funds increased by $10.06 billion to $4.73 trillion. Among institutional funds, government money market fund assets increased by $9.44 billion to $4.48 trillion, prime money market fund assets increased by $981 million to $243.05 billion, and tax-exempt fund assets decreased by $366 million to $13.21 billion." Institutional assets accounted for 60.6% of all MMF assets, with Government Institutional assets making up 94.6% of all institutional MMF totals. According to Crane Data's separate Money Fund Intelligence Daily series, money fund assets have increased by $300 million to $8.241 trillion month-to-date in March (as of 3/4), assets hit a record high the day prior (3/3) of $8.271 trillion. (Our asset series previous record high, $8.253 trillion, was set on 3/2/26.) Assets increased by $99.5 billion in February, $32.9 billion in January, $126.3 billion in December, $132.8 billion in November, $142.1 billion in October, $105.2 billion in September and $132.0 billion in August. They rose $63.7 billion in July, $6.7 billion in June and $100.9 billion in May. MMFs fell by $24.4 billion in April, but rose $2.8 trillion in March and $94.2 billion last February. Note that ICI's asset totals don't include a number of funds tracked by the SEC and Crane Data, so they're almost $400 billion lower than Crane's asset series.