Jane Street’s $15B Loss Puts Its $990M Bitcoin ETF Holdings In Focus

Jane Street disclosed roughly $990 million in U.S. spot Bitcoin ETF holdings as of June 30, including about $828 million in BlackRock's iShares Bitcoin Trust (IBIT), per its second-quarter Form 13F. The filing came shortly before Reuters reported the trading firm took an approximately $15 billion loss in July, though it still generated more than $40 billion in trading revenue through July. The 13F only captures long securities positions at quarter-end and excludes shorts, derivatives, and hedges, which matters since Jane Street also serves as a market maker and authorized participant for major Bitcoin ETFs.