Jane Street Group increased its iShares Bitcoin Trust ETF (IBIT) position by 53.78% in Q4 2025, lifting holdings to about 20.32 million shares, per HedgeFollow’s 13F-tracking snapshot.
HedgeFollow’s figures put the stake at roughly $1.01 billion and about 1.19% of the firm’s reported portfolio. The move equates to roughly +7.1 million shares, and the tracker lists an average buy price near $53.51, signaling a material step-up in ETF inventory during the quarter.
Next, stakeholders will be watching the upcoming 13F disclosure cycle to see whether Jane Street maintains, trims, or reallocates IBIT exposure as its broader holdings mix updates.
Source: HedgeFollow.
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