ICI.gov - Washington, DC - The Investment Company Institute (ICI) reports that, as of the final Friday in September, prime money market funds held 42.1 percent of their portfolios in daily liquid assets and 62.2 percent in weekly liquid assets, while government money market funds held 61.2 percent of their portfolios in daily liquid assets and 75.3 percent in weekly liquid assets.
At the end of September, prime funds had a weighted-average maturity of 26 days and a weighted-average life of 42 days. Average WAMs and WALs are asset-weighted. Government money market funds had a weighted-average maturity of 42 days and a weighted-average life of 95 days.
Prime and Government Money Market Funds’ Liquid Assets as of the final Friday of the month, Weighted Average Maturities (WAMs) and Weighted Average Lives (WALs)
| Prime Money Market Funds |
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| Liquid Assets | August 2016 | September 2016 | Regulatory Minimum |
| Percent of total assets Daily liquid assets |
37.9% | 42.1% | 10% |
| Weekly liquid assets | 62.1% | 62.2% | 30% |
| Weighted Average Maturity & Weighted Average Life | August 2016 | September 2016 | Regulatory Maximum |
| Number of days | |||
| Weighted average maturity | 21 | 26 | 60 |
| Weighted average life | 34 | 42 | 120 |
| Government Money Market Funds |
|||
| Liquid Assets | August 2016 | September 2016 | Regulatory Minimum |
| Percent of total assets Daily liquid assets |
55.4% | 61.2% | 10% |
| Weekly liquid assets | 72.0% | 75.3% | 30% |
| Weighted Average Maturity & Weighted Average Life | August 2016 | September 2016 | Regulatory Maximum |
| Number of days | |||
| Weighted average maturity | 41 | 42 | 60 |
| Weighted average life | 99 | 95 | 120 |
Prime money market funds’ holdings attributable to the Americas declined from $318.04 billion in August to $256.53 billion in September. Government money market funds’ holdings attributable to the Americas rose from $1,476.63 billion in August to $1,759.69 billion in September.