Overview
- Jane Street’s latest 13F, covering March 31 holdings, shows sharp reductions in spot Bitcoin ETFs from BlackRock and Fidelity.
- BlackRock’s iShares Bitcoin Trust fell about 71% to roughly 5.9 million shares, and Fidelity’s Wise Origin Bitcoin Fund dropped about 60% to around 2.0 million.
- The firm nearly doubled its position in BlackRock’s iShares Ethereum Trust and added to Fidelity’s Ether fund, lifting reported Ether ETF exposure by about $82 million.
- Jane Street slashed its Strategy stake to roughly 210,000 shares from about 968,000 after building the position late last year.
- The filing also lists trims in Bitcoin miners such as IREN, Cipher, TeraWulf, and Core Scientific, and higher reported stakes in Riot Platforms, Coinbase, and Galaxy Digital, which jumped to about 1.5 million shares.