Jane Street significantly reduced its Bitcoin ETF exposure in Q1, with IBIT positions decreasing by 71% quarter-over-quarter

Quantitative giant Jane Street disclosed in its latest 13F filing submitted to the SEC that it significantly reduced its exposure to Bitcoin ETFs in the first quarter of 2026, with its holdings in IBIT decreasing by approximately 71% to 5,872,212 shares, equivalent to about $225.6 million. The holdings in FBTC decreased by about 60% to 1,954,174 shares, equivalent to about $115 million.

In addition, its holdings in MSTR also decreased by approximately 78% to 209,833 shares, equivalent to about $26.18 million.