BlockBeats News, May 13th, Quantitative giant Jane Street disclosed in its latest 13F filing to the US SEC that it significantly reduced its Bitcoin ETF exposure in the first quarter of 2026. The filing revealed that its holdings of IBIT decreased by approximately 71% to 5,872,212 shares of IBIT, equivalent to about $225.6 million. Its holdings of FBTC also decreased by about 60% to 1,954,174 shares, equivalent to $115 million.

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