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Jane Street Cuts Major Bitcoin-Linked Holdings, Adds Ether ETF Exposure

According to a 13F filing, Jane Street cut large positions in BlackRock’s IBIT, Fidelity’s FBTC, Strategy, and several Bitcoin miners in Q1 2026 while adding roughly $82 million in Ether ETF exposure.

BTC
ETH

Summary

Jane Street reduced several major Bitcoin-linked holdings in the first quarter of 2026, according to a 13F filing. The Wall Street trading firm cut its BlackRock iShares Bitcoin Trust position by 71% to 5.9 million shares and reduced its Fidelity Wise Origin Bitcoin Fund holding by 60% to about 2 million shares. It also lowered exposure to Strategy and several Bitcoin mining companies. At the same time, Jane Street added about $82 million in positions tied to BlackRock’s ETHA and Fidelity Ethereum ETF, marking a shift in listed crypto exposure from Bitcoin-related holdings toward Ether ETFs.

Terms & Concepts
  • 13F filing: A quarterly disclosure submitted to the U.S. Securities and Exchange Commission by large investment managers to report certain publicly traded holdings.
  • Ether ETF: An exchange-traded fund designed to give investors market exposure to Ether without directly holding the cryptocurrency.
  • IBIT: BlackRock’s iShares Bitcoin Trust, a spot Bitcoin ETF that gives investors exchange-traded exposure to Bitcoin.