US money market fund assets slipped by $21.48 billion for the week ending June 10, 2026, bringing the total down to $7.87 trillion, according to data from the Investment Company Institute.

The decline touched every corner of the money market universe. Government funds, the largest category, shed $13.60 billion. Prime funds dropped $6.64 billion. Tax-exempt funds, the smallest slice, fell $1.23 billion.

Institutional money led the retreat

Institutional money market fund assets fell by $16.23 billion, landing at $4.78 trillion. Retail assets dipped a more modest $5.25 billion to $3.10 trillion, a ratio of roughly three to one.

At $4.78 trillion, institutional holdings still dwarf the retail side. Institutions account for roughly 61% of total money market assets.

Context makes this look less dramatic

Money market fund assets were hovering around $7.70 trillion back in January 2026. By late February, they had climbed to approximately $7.80 trillion. The current level of $7.87 trillion, even after the weekly dip, still represents meaningful growth over the past several months.

A $21.48 billion decline on a $7.87 trillion base works out to a drop of about 0.27%.

What this means for crypto investors

The ICI report did not receive direct coverage from the crypto sector, although broader commentary within the industry continues to view MMF assets as a critical reservoir of short-term liquidity relevant to potential movements into digital assets in the future.

This week’s data reflects a modest pullback. The $21.48 billion outflow did not come with any corresponding spike in risk asset inflows that would suggest a rotation trade is underway. Institutional money remains overwhelmingly parked in safe, liquid instruments, and the recent decline showcases that this segment’s liquidity remains conservative and cautious.