Mutual fund trade group the Investment Company Institute released a "revamped weekly report on money market mutual fund (MMF) assets" updated "to provide greater detail on assets held in funds that focus on government securities. ICI's expanded statistics, available at: http://www.ici.org/stats/mf/mm_01_29_09.html, now provide Taxable Government, Taxable Non-Government (or Prime), and Tax Exempt totals (combining both Retail and Institutional assets) and provide a "historical flow data for the past 52 weeks."
ICI's weekly numbers show that "total money market fund assets increased by $11.30 billion to $3.904 trillion for the week ended Wednesday, January 28. Assets of taxable government funds increased by $7.47 billion, taxable non-government funds increased by $10.42 billion, and tax exempt funds decreased by $6.59 billion."
"Assets of retail money market funds decreased by $5.70 billion to $1.352 trillion. Taxable government money market fund assets in the retail category decreased by $1.09 billion to $253.72 billion, taxable non-government money market fund assets decreased by $182 million to $801.38 billion and tax-exempt fund assets decreased by $4.42 billion to $297.32 billion," said the release.
It continues, "Assets of institutional money market funds increased by $16.99 billion to $2.552 trillion. Among institutional funds, taxable government money market fund assets increased by $8.56 billion to $1.199 trillion, taxable non-government money market fund assets increased by $10.60 billion to $1.163 trillion and tax-exempt fund assets decreased by $2.17 billion to $189.88 billion."
ICI also released its monthly money fund statistics for December and began reporting weekly statistics on long-term (stock and bond) mutual funds. The December 2008 "Trends In Mutual Fund Investing" shows money fund assets increased by $112.2 billion in December and increased by $746.1 billion, or 24.2%, in 2008.