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Release: Money Market Fund Holdings

Money Market Fund Holdings
December 2022

Washington, DC, January 17, 2023— The Investment Company Institute (ICI) reports that, as of the final Friday in December, prime money market funds held 46.0 percent of their portfolios in daily liquid assets and 56.4 percent in weekly liquid assets, while government money market funds held 84.7 percent of their portfolios in daily liquid assets and 90.2 percent in weekly liquid assets.

At the end of December, prime funds had a weighted average maturity (WAM) of 14 days and a weighted average life (WAL) of 45 days. Average WAMs and WALs are asset-weighted. Government money market funds had a WAM of 15 days and a WAL of 60 days.

Prime and Government Money Market Funds’ Liquid Assets as of the Final Friday of the Month, Weighted Average Maturities and Weighted Average Lives
Prime money market funds
Liquid assets November 2022 December 2022 Regulatory minimum
Percentage of total assets
Daily liquid assets 39.2% 46.0% 10%
Weekly liquid assets 52.3% 56.4% 30%
Weighted average maturity and
Weighted average life
November 2022 December 2022 Regulatory maximum
Number of days
Weighted average maturity 12 14 60
Weighted average life 51 45 120
 
Government money market funds
Liquid assets November 2022 December 2022 Regulatory minimum
Percentage of total assets
Daily liquid assets 84.2% 84.7% 10%
Weekly liquid assets 89.5% 90.2% 30%
Weighted average maturity and
Weighted average life
November 2022 December 2022 Regulatory maximum
Number of days
Weighted average maturity 15 15 60
Weighted average life 61 60 120

Holdings by Region of Issuer

Prime money market funds’ holdings attributable to the Americas rose from $284.14 billion in November to $409.79 billion in December. Government money market funds’ holdings attributable to the Americas rose from $3,694.88 billion in November to $3,794.89 billion in December.

Prime and Government Money Market Funds’ Holdings, by Region of Issuer*
Millions of dollars and as a percentage of portfolio securities
Prime money market funds
Region 11/30/2022 12/31/2022  
Americas $284,137 47.0% $409,790 61.6%  
Asia and Pacific 123,538 20.4 118,070 17.8  
Europe 190,775 31.5 132,172 19.9  
Supranational 17 0.1 317 0.1  
Other 6,252 1.0 4,486 0.7  
Total $604,718 100.0% $664,835 100.0%  
   
Government money market funds
Region 11/30/2022 12/31/2022  
Americas $3,694,878 93.9% $3,794,892 95.2%  
Asia and Pacific 81,018 2.1 71,911 1.8  
Europe 147,153 3.7 107,712 2.7  
Supranational 0 0.0 0 0.0  
Other 9,948 0.3 10,273 0.3  
Total $3,932,996 100.0% $3,984,788 100.0%  

*The region of the issuer is defined by location of the parent firm headquarters. Percentages are calculated by adding up the value of all securities of the indicated type by the region of the security’s issuer and dividing that amount by the total value of all securities of the indicated type. The other category consists of unclassified securities and countries with less than 0.25 percent of asset exposure.

More Information About the Data

Each month, ICI reports numbers based on the Securities and Exchange Commission’s Form N-MFP data. The report includes all money market funds registered under the Securities Act of 1933 and the Investment Company Act of 1940, that are publicly offered. All master funds are excluded, but feeders are apportioned from the corresponding master and included in the report.

More detailed data are available in the report, and historical reports are also available.

If you have any questions or would like to request additional comments on this or data on another topic, please contact a member of ICI’s Media Relations team at 202-371-5413 or icipubcomm@ici.org.