Jane Street cuts Bitcoin ETF holdings 71% and nearly doubles Ether exposure in Q1 filing

Jane Street slashed its Bitcoin ETF holdings in Q1 2026 while loading up on Ether funds, according to a 13F filing published Tuesday. The firm’s position in BlackRock’s iShares Bitcoin Trust dropped 71% to roughly 5.9 million shares worth $225 million. Three months earlier, that position sat at 20.3 million shares worth over $1 billion....