The Investment Company Institute's latest "Money Market Fund Assets" report shows that overall money fund assets dipped but that Prime money market funds rose for the second week in a row. Prime MMFs have risen by $37.5 billion, or 9.0%, over the past 19 weeks, and they've risen by $83.2 billion, or 22.5%, year-to-date. ICI writes, "Total money market fund assets decreased by $1.41 billion to $2.74 trillion for the week ended Wednesday, November 15, the Investment Company Institute reported today. Among taxable money market funds, government funds decreased by $4.81 billion and prime funds increased by $3.30 billion. Tax-exempt money market funds increased by $96 million." Total Government MMF assets, which include Treasury funds too, stand at $2.157 trillion (78.8% of all money funds), while Total Prime MMFs stand at $452.9 billion (16.5% of total MMFs). Tax Exempt MMFs total $129.2 billion, or 4.7%. They explain, "Assets of retail money market funds increased by $2.89 billion to $985.45 billion. Among retail funds, government money market fund assets increased by $2.11 billion to $597.67 billion, prime money market fund assets increased by $277 million to $264.31 billion, and tax-exempt fund assets increased by $497 million to $123.47 billion." Retail assets account for over a third of total assets, or 36.0%, and Government Retail assets make up 60.6% of all Retail MMFs. ICI's release adds, "Assets of institutional money market funds decreased by $4.29 billion to $1.75 trillion. Among institutional funds, government money market fund assets decreased by $6.92 billion to $1.56 trillion, prime money market fund assets increased by $3.03 billion to $188.59 billion, and tax-exempt fund assets decreased by $401 million to $5.72 billion." Institutional assets account for 64.0% of all MMF assets, with Government Inst assets making up 88.9% of all Institutional MMFs.