ICI's weekly "Money Market Mutual Fund Assets" report says, "Total money market mutual fund assets decreased by $12.43 billion to $2.738 trillion for the week ended Wednesday, May 18, the Investment Company Institute reported today. Taxable government funds decreased by $8.30 billion, taxable non-government funds decreased by $4.25 billion, and tax-exempt funds increased by $120 million.... Assets of retail money market funds increased by $670 million to $910.35 billion. Taxable government money market fund assets in the retail category increased by $110 million to $168.32 billion, taxable non-government money market fund assets increased by $430 million to $544.53 billion, and tax-exempt fund assets increased by $140 million to $197.49 billion. Assets of institutional money market funds decreased by $13.11 billion to $1.828 trillion. Among institutional funds, taxable government money market fund assets decreased by $8.41 billion to $603.23 billion, taxable non-government money market fund assets decreased by $4.68 billion to $1.111 trillion, and tax-exempt fund assets decreased by $20 million to $113.46 billion."