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Release: Money Market Fund Holdings

Money Market Fund Holdings
October 2021

Washington, DC, November 15, 2021— The Investment Company Institute (ICI) reports that, as of the final Friday in October, prime money market funds held 28.1 percent of their portfolios in daily liquid assets and 47.8 percent in weekly liquid assets, while government money market funds held 84.5 percent of their portfolios in daily liquid assets and 92.6 percent in weekly liquid assets.

At the end of October, prime funds had a weighted average maturity (WAM) of 48 days and a weighted average life (WAL) of 63 days. Average WAMs and WALs are asset-weighted. Government money market funds had a WAM of 36 days and a WAL of 83 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

September 2021

October 2021

Regulatory minimum

Percentage of total assets

Daily liquid assets

30.4%

28.1%

10%

­Weekly liquid assets

47.8%

47.8%

30%

Weighted average maturity and
Weighted average life

September 2021

October 2021

Regulatory maximum

Number of days

Weighted average maturity

42

48

60

Weighted average life

59

63

120



Government money market funds

Liquid assets

September 2021

October 2021

Regulatory minimum

Percentage of total assets

Daily liquid assets

80.8%

84.5%

10%

Weekly liquid assets

89.4%

92.6%

30%

Weighted average maturity and
Weighted average life

September 2021

October 2021

Regulatory maximum

Number of days

Weighted average maturity

33

36

60

Weighted average life

81

83

120

Holdings by Region of Issuer

Prime money market funds’ holdings attributable to the Americas declined from $206.69 billion in September to $167.46 billion in October. Government money market funds’ holdings attributable to the Americas rose from $3,608.59 billion in September to $3,668.75 billion in October.

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

9/30/2021

10/31/2021

Americas

$206,693

45.0%

$167,457

36.8%

Asia and Pacific

84,922

18.5

91,250

20.1

Europe

162,192

35.3

190,173

41.8

Supranational

259

;0.1

58

0.1

Other

5,451

1.2

5,763

1.3

Total

$459,518

100.0%

$454,701

100.0%

 

Government money market funds 

Region 9/30/2021 10/31/2021

Americas

$3,608,586

91.0%

$3,668,751

90.9%

Asia and Pacific

121,570

3.1

116,649

 2.9

Europe

228,469

5.8

240,859

6.0

Supranational

0

0.0

0

0.0

Other

8,892

0.2

8,942

 0.2

Total

$3,967,517

100.0%

$4,035,202

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.