ICI's latest "Money Market Fund Assets" report shows assets down sharply in the latest week, following strong start to 2019. ICI's weekly series shows Retail MMFs inched higher by $2.72 billion, while Institutional MMFs plummeted by $49.93 billion. Total Government MMF assets, including Treasury funds, stood at $2.292 trillion (74.8% of all money funds), while Total Prime MMFs reached $633.0 billion (20.7%). Tax Exempt MMFs totaled $139.8 billion, or 4.6%. They write, "Total money market fund assets decreased by $47.21 billion to $3.06 trillion for the week ended Wednesday, March 20, the Investment Company Institute reported.... Among taxable money market funds, government funds decreased by $46.09 billion and prime funds decreased by $1.12 billion. Tax-exempt money market funds were unchanged." ICI states, "Assets of retail money market funds increased by $2.72 billion to $1.21 trillion. Among retail funds, government money market fund assets increased by $1.02 billion to $694.57 billion, prime money market fund assets increased by $1.79 billion to $382.18 billion, and tax-exempt fund assets decreased by $83 million to $130.13 billion." Retail assets account for over a third of total assets, or 39.4%, and Government Retail assets make up 57.6% of all Retail MMFs. The ICI release adds, "Assets of institutional money market funds decreased by $49.93 billion to $1.86 trillion. Among institutional funds, government money market fund assets decreased by $47.10 billion to $1.60 trillion, prime money market fund assets decreased by $2.91 billion to $250.81 billion, and tax-exempt fund assets increased by $84 million to $9.66 billion." Institutional assets accounted for 60.6% of all MMF assets, with Government Institutional assets making up 86.0% of all Institutional MMF totals.