Unwinding a portfolio, in plain terms, means selling every share a fund owns in publicly traded companies and converting those stakes back to cash. Leopold Aschenbrenner's hedge fund has done that across its entire public equity book, according to people familiar with the matter, and sources say the move was forced rather than voluntary.

Aschenbrenner is known for his prominent role in artificial intelligence investing. The fund's exit is total: no public stock positions remain.

A forced sale carries a different meaning than a tactical retreat. A fund that moves to cash by choice is expressing a view about where markets are headed. One that is compelled to sell, by contrast, typically faces pressure from lenders calling in loans, investors demanding their capital back, or both. The people familiar with the matter described the sale as forced but did not say what specifically triggered it.

The steep losses that preceded the liquidation are the other confirmed detail. The sources offered no dollar figure for those losses, no list of companies the fund had held, and no timeline for how the declines built.

What the people familiar with the matter confirmed is specific: all public holdings have been sold.