Research and Statistics

Release: Money Market Fund Holdings

Money Market Fund Holdings
June 2021

Washington, DC, July 19, 2021— The Investment Company Institute (ICI) reports that, as of the final Friday in June, prime money market funds held 36.2 percent of their portfolios in daily liquid assets and 49.7 percent in weekly liquid assets, while government money market funds held 81.6 percent of their portfolios in daily liquid assets and 90.0 percent in weekly liquid assets.

At the end of June, prime funds had a weighted average maturity (WAM) of 44 days and a weighted average life (WAL) of 61 days. Average WAMs and WALs are asset-weighted. Government money market funds had a WAM of 37 days and a WAL of 85 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

May 2021 June 2021 Regulatory minimum  

Percentage of total assets

Daily liquid assets

32.9% 36.2% 10%  

Weekly liquid assets

47.7% 49.7% 30%  

Weighted average maturity and
Weighted average life

May 2021 June 2021 Regulatory maximum  

Number of days

Weighted average maturity

45 44 60  

Weighted average life

62 61 120  

 

Government money market funds

Liquid assets

May 2021 June 2021 Regulatory minimum  

Percentage of total assets

Daily liquid assets

80.4% 81.6% 10%  

Weekly liquid assets

89.0% 90.0% 30%  

Weighted average maturity and
Weighted average life

May 2021 June 2021 Regulatory maximum  

Number of days

Weighted average maturity

37 37 60  

Weighted average life

84 85 120  

Holdings by Region of Issuer

Prime money market funds’ holdings attributable to the Americas rose from $172.90 billion in May to $235.89 billion in June. Government money market funds’ holdings attributable to the Americas rose from $3,555.35 billion in May to $3,649.79 billion in June.

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

5/31/2021

 

6/30/2021

 

Americas

$172,903 35.4%   $235,888 48.9%  

Asia and Pacific

92,493 18.9   88,683 18.4  

Europe

217,561 44.5   152,776 31.7  

Supranational

73 0.1   273 0.1  

Other

6,067 1.2   4,409 0.9  

Total

$489,098 100.0%   $482,028 100.0%  

 

Government money market funds

Region

5/31/2021

 

6/30/2021

 

Americas

$3,555,351 88.4%   $3,649,794 90.5%  

Asia and Pacific

138,633 3.4   133,078 3.3  

Europe

310,708 7.7   240,446 6.0  

Supranational

0 0.0   0 0.0  

Other

15,641 0.4   11,173 0.3  

Total

$4,020,333 100.0%   $4,034,492 100.0%  

*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.