Apparently, Voyager loaned 15K btc (+350mil USDC) to 3ac.
Now they are asking for the loan back by June 27.
https://www.marketwatch.com/story/crypto-platform-voyager-digital-shares-plunge-60-after-revealing-665-million-exposure-to-embattled-hedge-fund-considers-issuing-default-notice-11655911126