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Jane Street posts blockbuster third quarter as trading and AI bets pay off
Jane Street’s Q3 2025 revenue jumped 18 percent to $6.
During the third quarter of 2025, proprietary trading firm Jane Street reported a sharp surge in performance, generating $6.83 billion in net trading revenue, marking an 18 percent increase from the same period last year. The strong quarter pushed the firm’s nine month revenue to $24 billion, already exceeding its full year 2024 total. A notable contributor was an $830 million gain from its investment in AI company Anthropic, accounting for about 12 percent of quarterly revenue.