Why the State of Wisconsin Investment Board Dumped $321M in BlackRock’s Bitcoin ETF

The State of Wisconsin Investment Board (SWIB), a key institutional investor managing assets for Wisconsin’s retirement and public investment funds, has unexpectedly exited its position in BlackRock’s spot Bitcoin exchange-traded fund (ETF), the iShares Bitcoin Trust (IBIT). According to its latest SEC filing, SWIB no longer holds any IBIT shares—previously worth over $321 million. Early […]