Statistical Report

Release: Taxable Money Market Fund Holdings, March 2026

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Money Market Fund Holdings

Washington, DC, April 14, 2026— The Investment Company Institute (ICI) reports that, as of the final Friday in March, prime money market funds held 46.7 percent of their portfolios in daily liquid assets and 62.3 percent in weekly liquid assets, while government money market funds held 74.7 percent of their portfolios in daily liquid assets and 86.3 percent in weekly liquid assets.

At the end of March, prime funds had a weighted average maturity (WAM) of 34 days and a weighted average life (WAL) of 56 days. Average WAMs and WALs are asset-weighted. Government money market funds had a WAM of 44 days and a WAL of 98 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 February 2026 March 2026 Regulatory minimum

Percentage of total assets

Daily liquid assets

44.3% 46.7% 10%
­Weekly liquid assets 60.1% 62.3% 30%
Weighted average maturity and 
Weighted average life
February 2026 March 2026 Regulatory maximum
Number of days      
Weighted average maturity 34 34 60
Weighted average life 56 56 120
       



 

Government money market funds

     
Liquid assets February 2026 March 2026 Regulatory minimum

Percentage of total assets

Daily liquid assets

75.2% 74.7% 10%
Weekly liquid assets 86.8% 86.3% 30%
Weighted average maturity and 
Weighted average life
February 2026 March 2026 Regulatory maximum
Number of days      
Weighted average maturity 43 44 60
Weighted average life 96 98 120

Holdings by Region of Issuer

Prime money market funds’ holdings attributable to the Americas rose from $783.80 billion in February to $813.99 billion in March. Government money market funds’ holdings attributable to the Americas rose from $5,918.15 billion in February to $5,935.68 billion in March.

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

2/28/2026

3/31/2026

 
Americas

$783,804

63.5%

$813,990

66.2%

 
Asia and Pacific

168,314

13.6

156,432

12.7

 
Europe

263,132

21.3

245,403

19.9

 
Supranational

503

0.1

498

0.1

 
Other

18,718

1.5

14,126

1.1

 
Total

$1,234,471

100.0%

$1,230,449

100.0%

 
Government money market funds           
Region

2/28/2026

3/31/2026

 
Americas

$5,918,147

92.0%

$5,935,682

93.2%

 
Asia and Pacific

107,953

1.7

101,652

1.6

 
Europe

372,751

5.8

302,175

4.7

 
Supranational

0

0.0

0

0.0

 
Other

31,054

0.5

28,641

0.4

 
Total

$6,429,905

100.0%

$6,368,151

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 media@ici.org.