Jane Street filed two Schedule 13G’s on October 23 which revealed that they held sizable positions in Bitfarms (BITF) and Cipher Mining (CIFR). The Bitfarms filing showed 29,920,704 shares of BITF, representing 5.4% of the company’s outstanding stock. Jane Street also disclosed a 5.0% stake in CIFR, totaling 19,682,871 shares.
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The firm certified it isn’t trying to influence control over either company. Together, these disclosures mark Jane Street’s material investments in two leading North American Bitcoin-mining and AI infrastructure companies.
Mining stocks have had an impressive run over the last three months, with standouts like IREN up over 900% from the April lows. In the last two weeks, the sector has experienced some weakness following President Trump’s comments on tariffs.
At time of publication, BITF is up 10% during pre-market hours and CIFR is up 6.7%.
