ICI's latest weekly Money Market Fund Assets report shows yet another increase in overall and Prime money market mutual fund assets. Prime MMFs rose by $2.2 billion to $415.5 billion, their 9th increase in the past 11 weeks. Prime assets have risen by $17.3 billion over the past 10 weeks, or 4.4%, and year-to-date Prime assets have increased by $37.2 billion, or 9.4%. ICI writes, "Total money market fund assets increased by $4.74 billion to $2.63 trillion for the week ended Wednesday, July 5, the Investment Company Institute reported today. Among taxable money market funds, government funds increased by $569 million and prime funds increased by $2.21 billion. Tax-exempt money market funds increased by $1.96 billion." Total Government MMF assets, which include Treasury funds too, stand at $2.081 trillion (79.2% of all money funds), while Total Prime MMFs stand at $415.5 billion (15.8%). Tax Exempt MMFs total $130.6 billion, or 5.0%. They explain, "Assets of retail money market funds increased by $4.47 billion to $958.08 billion. Among retail funds, government money market fund assets increased by $2.64 billion to $581.45 billion, prime money market fund assets increased by $727 million to $252.65 billion, and tax-exempt fund assets increased by $1.10 billion to $123.98 billion." Retail assets account for over a third of total assets, or 36.5%, and Government Retail assets make up 60.7% of all Retail MMFs. ICI's release adds, "Assets of institutional money market funds increased by $268 million to $1.67 trillion. Among institutional funds, government money market fund assets decreased by $2.07 billion to $1.50 trillion, prime money market fund assets increased by $1.48 billion to $162.80 billion, and tax-exempt fund assets increased by $865 million to $6.57 billion." Institutional assets account for 63.5% of all MMF assets, with Government Inst assets making up 89.8% of all Institutional MMFs.