ICI Says Money Funds at $3.922 Trillion. The weekly survey by the Investment Company Institute continues to show record levels of assets in money market mutual funds. The "Money Market Mutual Fund Assets" release says, "Total money market mutual fund assets increased by $27.13 billion to $3.922 trillion for the week ended Wednesday, January 14.... Assets of retail money market funds decreased by $4.07 billion to $1.364 trillion.... Assets of institutional money market funds increased by $31.20 billion to $2.558 trillion." ICI "reports money market fund assets to the Federal Reserve each week.... Additional statistical releases are available at the ICI's web site (www.ici.org/stats/latest/index.html).