BlockBeats News, May 14th, According to a 13F filing submitted on Tuesday, Wall Street's active proprietary trading firm Jane Street made significant adjustments to its cryptocurrency holdings in the first quarter of 2026. The company substantially reduced its positions in Belvedere and Fidelity's Bitcoin spot ETFs established in the fourth quarter of 2025, with Belvedere's IBIT position decreasing by approximately 71% to 5.9 million shares (about $225 million) and Fidelity's FBTC position dropping by about 60% to 2 million shares (about $115 million). At the same time, the holding of MicroStrategy (now Strategy) decreased from about 968,000 shares to 210,000 shares, with the value dropping from nearly $1.46 billion to about $27 million. The company also reduced its holdings in various Bitcoin mining companies such as IREN and Cipher Mining.

Meanwhile, Jane Street significantly increased its exposure to Ethereum ETFs, with a total addition of approximately $82 million on Belvedere's and Fidelity's Ethereum ETFs. The company also increased its holdings in Riot Platforms (holding increased to 7.4 million shares, valued at about $91 million) and Coinbase (holding increased to about 888,000 shares). The largest increase was in Galaxy Digital, with the holding soaring from about 17,000 shares to about 1.5 million shares, and the value rising from about $380,000 to around $28 million.

The 13F filing only reflects reportable long positions as of the end of March, excluding full trading books or derivative and short positions. As one of the world's largest ETF market makers, Jane Street's quarterly adjustments are closely watched by institutional investors. Additionally, according to Reuters, Jane Street achieved a record $16.1 billion in trading revenue in the first quarter of 2026.