ICI Asset Series Hits Record $7.666 Tril.
The Investment Company Institute's latest weekly "Money Market Fund Assets" report shows money fund assets increasing by $10.7 billion to a record $7.666 trillion after increasing by $1.2 billion the previous week. Assets have risen in 11 of the last 13 weeks and 19 of the past 22 weeks. MMF assets are up by $915 billion, or 13.6%, over the past 52 weeks (through 12/17/25), with Institutional MMFs up $561 billion, or 13.8% and Retail MMFs up $354 billion, or 13.1%. Year-to-date, MMF assets are up by $815 billion, or 11.9%, with Institutional MMFs up $500 billion, or 12.1% and Retail MMFs up $316 billion, or 11.5%. ICI's weekly release says, "Total money market fund assets increased by $10.74 billion to $7.67 trillion for the week ended Wednesday, December 17.... Among taxable money market funds, government funds increased by $11.30 billion and prime funds decreased by $2.32 billion. Tax-exempt money market funds increased by $1.75 billion." ICI's stats show Institutional MMFs increasing $9.5 billion and Retail MMFs increasing $1.2 billion in the latest week. Total Government MMF assets, including Treasury funds, were $6.302 trillion (82.2% of all money funds), while Total Prime MMFs were $1.218 trillion (15.9%). Tax Exempt MMFs totaled $146.5 billion (1.9%). It explains, "Assets of retail money market funds increased by $1.22 billion to $3.05 trillion. Among retail funds, government money market fund assets increased by $965 million to $1.92 trillion, prime money market fund assets decreased by $1.53 billion to $995.13 billion, and tax-exempt fund assets increased by $1.78 billion to $134.35 billion." Retail assets account for 39.8% of the total, and Government Retail assets make up 63.0% of all Retail MMFs. They add, "Assets of institutional money market funds increased by $9.52 billion to $4.62 trillion. Among institutional funds, government money market fund assets increased by $10.33 billion to $4.38 trillion, prime money market fund assets decreased by $792 million to $222.75 billion, and tax-exempt fund assets decreased by $24 million to $12.11 billion." Institutional assets accounted for 60.2% of all MMF assets, with Government Institutional assets making up 94.9% of all institutional MMF totals. According to Crane Data's separate Money Fund Intelligence Daily series, money fund assets have increased by $50.3 billion to $8.033 trillion month-to-date in December (as of 12/17), this past week they also hit a record high of $8.066 trillion on 12/11. Assets increased by $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, $94.2 billion in February and $52.8 billion in January. They jumped $110.9 billion last December. 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.
