Quantitative trading behemoth Jane Street posted a staggering $39.6 billion in net trading revenue for 2025, nearly doubling its $20.5 billion haul in 2024. The Q4 alone contributed $15.5 billion, while Q2's $10.1 billion outran JPMorgan's $8.9 billion and Goldman Sachs' $7.8 billion in trading and market-making income.
Profit per employee tops $9 million with just 3,500 staff
Founded in 2000, Jane Street employs roughly 3,500 people globally—a fraction of the tens of thousands at traditional investment banks. Some estimates peg profit per employee above $9 million. The firm relies on proprietary algorithms and high-frequency trading across equities, ETFs, FX, and now digital assets.
Deep roots in crypto: ETF AP, JCX platform, and Ethereum testing tools
Jane Street entered crypto in 2018 and has become a giant infrastructure player. It serves as an Authorized Participant (AP) for BlackRock's IBIT and Fidelity's FBTC, handling share creation/redemption and arbitrage. Its institutional platform JCX offers 24/7 trading for BTC and ETH. In December 2025, it led a $105 million Series A in Antithesis, a testing tool used by Ethereum before The Merge to catch critical bugs. Jane Street also holds stakes in mining firms like Hut 8 and Bitfarms, and invested in Kraken exchange.
Legal and conspiracy controversies: LUNA insider trading suit and '10 AM dump'
In early 2026, the Terraform Labs bankruptcy estate sued Jane Street, alleging it traded on insider information about UST's impending depeg in 2022. Jane Street called the suit a "cash grab" and denies wrongdoing. Separately, crypto social media has floated a conspiracy that Jane Street dumps Bitcoin precisely at 10:00 AM ET every day to suppress prices for arbitrage gains. Some claim the pattern stopped after the LUNA suit emerged, triggering a rally. Jane Street insists it operates as a neutral liquidity provider, not a directional trader.
Whether viewed as a necessary bridge for institutional crypto adoption or a manipulative whale, Jane Street's $39.6B year shows who really rules the modern trading landscape.