Jane Street reports over $1B in Bitcoin ETF shares

Jane Street reported more than $1 billion in U.S. spot Bitcoin ETF shares as of June 30, 2026, according to a quarterly regulatory filing released in August. Summary Jane Street reported more than $1 billion in spot Bitcoin ETF shares at quarter end. BlackRock’s IBIT represented approximately $828 million, making it the firm’s largest disclosed Bitcoin ETF position. The filing covers holdings on June 30 and does not reveal Jane Street’s current positions. Jane Street owned ETF shares rather than Bitcoin held directly in wallets or institutional custody. Form 13F omits short positions and many derivatives, preventing conclusions about the firm’s net exposure. The quantitative trading firm’s largest disclosed position was BlackRock’s iShares Bitcoin Trust, or IBIT. Jane Street reported roughly $828 million of IBIT shares in its second quarter filing. The remaining exposure was distributed among other U.S. listed products. Those holdings included Fidelity’s Wise Origin Bitcoin Fund and Grayscale’s Bitcoin Trust. The combined value of Jane Street’s reported spot Bitcoin ETF shares exceeded $1 billion at the quarter’s close. The disclosure concerns shares issued by investment funds. It ...