Jane Street boosts Fidelity Bitcoin ETF stake 691%, cuts BlackRock Bitcoin ETF shares by 19% in Q3 2026

In Q3 2026, Jane Street significantly increased its holdings in Fidelity's Bitcoin ETF by about 691%, raising the stake's value to $509.2 million, while reducing its BlackRock Bitcoin ETF shares by 18.7%, though the value rose to $957.3 million. The firm also expanded its position in ARK 21Shares Bitcoin ETF and more than doubled its shares in BlackRock's Ethereum ETF. These moves reflect a strategic shift in Jane Street's Bitcoin ETF investments, diversifying away from BlackRock toward Fidelity and ARK funds. Other institutions like JPMorgan and Laurore also adjusted their Bitcoin ETF holdings during this period.

As of Nov 13, 2026 18:43 WIB, ARK trades on Pluang at Rp1.980 with a 1-day decline of 3.04%. The ARK Bitcoin ETF, which Jane Street has increased its holdings in, has a market cap of Rp613,43M and a 24-hour volume of Rp95,75M. This data highlights the current trading environment for one of the ETFs involved in Jane Street's strategic portfolio adjustments.