The State of Wisconsin Investment Board revealed in a Tuesday 13F filing that it held nearly $100 million of the iShares Bitcoin Trust, the spot bitcoin exchange-traded fund out of the investment manager BlackRock, at the end of the first quarter of 2024.
Shares of other cryptocurrency firms such as Coinbase, Marathon Digital, Riot Platforms, Block, Cipher Mining, Cleanspark and MicroStrategy were also in the Board's portfolio. BlackRock's IBIT and Grayscale's GBTC are the top spot bitcoin ETFs by market share, The Block's Data Dashboard shows. Bloomberg's ETF analyst noted that the Board's interest in spot bitcoin ETFs seems to have come faster than expected.