Money Market Fund Assets Reach $7.26 Trillion with $52.37 Billion Increase

Strategic Insights -

The Investment Company Institute reported a significant surge in money market fund assets, totaling $7.26 trillion, with a net increase of $52.37 billion for the week ended September 3, 2025. Among taxable money market funds, government funds experienced a notable increase of $44.71 billion, while prime funds rose by $5.87 billion. Tax-exempt money market funds saw a modest increase of $1.79 billion.

Key Takeaways:

  • Money market fund assets reached $7.26 trillion, with a net increase of $52.37 billion for the week ended September 3, 2025.
  • Government funds among taxable money market funds increased by $44.71 billion, accounting for the largest portion of the growth.
  • Prime funds among taxable money market funds increased by $5.87 billion, a notable increase despite smaller compared to government funds.
  • Tax-exempt money market funds increased by $1.79 billion, a modest but significant growth for these funds.
  • Retail money market fund assets increased by $18.90 billion, reaching $2.96 trillion, with government money market fund assets increasing by $12.84 billion to $1.86 trillion.
  • Institutional money market fund assets increased by $33.47 billion, reaching $4.29 trillion, with government money market fund assets increasing by $31.87 billion to $4.05 trillion.
  • ICI classifies funds and share classes as institutional or retail based on language in the fund prospectus.

Statistics:

  • $52.37 billion: Net increase in money market fund assets for the week ended September 3, 2025.
  • $7.26 trillion: Total money market fund assets as of the week ended September 3, 2025.
  • $44.71 billion: Increase in government funds among taxable money market funds for the week ended September 3, 2025.
  • $5.87 billion: Increase in prime funds among taxable money market funds for the week ended September 3, 2025.
  • $1.79 billion: Increase in tax-exempt money market funds for the week ended September 3, 2025.
  • $18.90 billion: Increase in retail money market fund assets for the week ended September 3, 2025.
  • $33.47 billion: Increase in institutional money market fund assets for the week ended September 3, 2025.

Sources:

  • Investment Company Institute (ICI)
  • PRNewswire
  • Multimedia source available via ICI website, dated September 3, 2025
  • Source: Investment Company Institute 9/3/2025 8/27/2025 $ Change* 8/20/2025