Total net assets invested in U.S. money market funds totaled $7.78 trillion on 5/27/26, an increase of 12.0% year-over-year from $6.95 trillion on 5/28/25, according to weekly data from Bloomberg and the Investment Company Institute. Total net assets invested in so-called “government” money market funds, which restrict their holdings to U.S. Treasuries and agency debt, increased by 13.2% to $6.41 trillion over the same period.