Jane Street held 23.8 million Nvidia shares worth about $5.44 billion on Sept. 30, compared with 11.8 million shares in the second quarter. Nvidia was its second-largest holding behind the SPDR S&P 500 ETF Trust. The regulatory 13F filings do not disclose when the shares were purchased, the gains or losses on the positions, or short positions and options entered since the quarter ended. Nvidia shares fell nearly 13% over five days after Jensen Huang resigned, with CFO Colette Kress named interim CEO. Jane Street reportedly generated more than $40 billion in trading revenue in 2026 but also suffered a $15 billion loss, partly due to exposure to AI-focused hedge funds.
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