ICI's latest weekly "Money Market Fund Assets" report shows money fund assets declining in the latest week. It explains, "Total money market fund assets decreased by $3.90 billion to $3.62 trillion for the week ended Wednesday, February 5, the Investment Company Institute reported today. Among taxable money market funds, government funds decreased by $6.81 billion and prime funds increased by $3.11 billion. Tax-exempt money market funds decreased by $212 million." ICI's weekly series shows Institutional MMFs falling $11.7 billion and Retail MMFs increasing $7.8 billion. Total Government MMF assets, including Treasury funds, were $2.683 trillion (74.2% of all money funds), while Total Prime MMFs were $797.9 billion (22.1%). Tax Exempt MMFs totaled $136.7 billion, 3.8%. Money fund assets are now down year-to-date in 2020 (down $11B, or -0.3%), but they've increased in 11 out of the last 16 weeks. Over the past 52 weeks, ICI's money fund asset series has increased by $554 billion, or 18.1%, with Retail MMFs rising by $190 billion (16.0%) and Inst MMFs rising by $393 billion (21.2%). ICI explains, "Assets of retail money market funds increased by $7.75 billion to $1.38 trillion. Among retail funds, government money market fund assets increased by $5.27 billion to $784.86 billion, prime money market fund assets increased by $2.92 billion to $475.09 billion, and tax-exempt fund assets decreased by $443 million to $124.54 billion." Retail assets account for over a third of total assets, or 38.3%, and Government Retail assets make up 56.7% of all Retail MMFs. The release adds, "Assets of institutional money market funds decreased by $11.65 billion to $2.23 trillion. Among institutional funds, government money market fund assets decreased by $12.07 billion to $1.90 trillion, prime money market fund assets increased by $190 million to $322.78 billion, and tax-exempt fund assets increased by $231 million to $12.17 billion." Institutional assets accounted for 61.7% of all MMF assets, with Government Institutional assets making up 85.0% of all Institutional MMF totals. Money fund assets ended 2019 with their fastest growth rate and biggest asset increase since 2008. Assets increased by more than 2 1/2 times 2018's 7.2% gain.