Quant Giant Jane Street Adds $276M in IBIT Shares During Q4 2025
Jane Street Group sharply increased its exposure to Blackrock’s Ishares Bitcoin Trust in the fourth quarter of 2025, scooping up 7,105,206 additional shares, according to its latest SEC filing. The move lifted the quanti...
Archive context
Older archive item. Useful for background and entity history, but not a fresh market-moving signal.
Why this matters
BlackRock is showing up inside the Bitcoin ETF theme, so this story is worth tracking for follow-through rather than treating it as a one-off headline.
Original source
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