ICI's latest monthly "Money Market Fund Holdings" summary, which reviews the aggregate daily and weekly liquid assets, regional exposure, and maturities (WAM and WAL) for Prime and Government money market funds, tells us, "The Investment Company Institute (ICI) reports that, as of the final Friday in January, prime money market funds held 44.5 percent of their portfolios in daily liquid assets and 60.4 percent in weekly liquid assets, while government money market funds held 77.4 percent of their portfolios in daily liquid assets and 88.0 percent in weekly liquid assets." Prime DLA was up from 42.6% in December, and Prime WLA was up from 58.1%. Govt MMFs' DLA fell from 77.5% and Govt WLA was unchanged from the previous month. ICI explains, "At the end of January, prime funds had a weighted average maturity (WAM) of 30 days and a weighted average life (WAL) of 50 days. Average WAMs and WALs are asset-weighted. Government money market funds had a WAM of 40 days and a WAL of 93 days." Prime WAMs were 1 day longer and WALs were unchanged from the previous month. Govt WAMs were 2 days longer and WALs were 2 days longer from December. Regarding Holdings by Region of Issuer, the release tells us, "Prime money market funds' holdings attributable to the Americas declined from $632.02 billion in December to $580.55 billion in January. Government money market funds' holdings attributable to the Americas declined from $5,277.74 billion in December to $5,228.15 billion in January." The Prime Money Market Funds by Region of Issuer table shows Americas-related holdings at $580.6 billion, or 53.1%; Asia and Pacific at $189.7 billion, or 17.3%; Europe at $293.3 billion, or 26.8%; and, Other (including Supranational) at $30.1 billion, or 2.8%. The Government Money Market Funds by Region of Issuer table shows Americas at $5.228 trillion, or 91.6%; Asia and Pacific at $113.2 billion, or 2.0%; Europe at $347.6 billion, 6.1%, and Other (Including Supranational) at $21.1 billion, or 0.4%.