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Billionaire Steve Cohen Owns Shares of This Stock That Has Soared 1,600% in The Past Year

Reported by Theglobeandmail
Mar 10, 2026· 2 min read
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Key Takeaways
  • • Abivax (NASDAQ: ABVX), a France-based clinical-stage biotech, has appreciated 1,600% over the trailing 12 months, driven by positive Phase 3 trial results for its lead candidate obefazimod, which elevated the company's market capitalization to approximately €7.13 billion ($8.3 billion).
  • • Point72 Asset Management, founded by billionaire Steve Cohen, initiated its position in Abivax in the fourth quarter of 2023 and currently holds the stock at 0.43% of portfolio assets, consistent with the fund's strict diversification discipline limiting individual holdings to no more than 2.5%.
  • • Point72 trimmed its Abivax stake by 17.65% in the fourth quarter, indicating selective profit-taking despite continued clinical momentum, reflecting a disciplined approach to risk management in pre-revenue biotech investments.
  • • The investment exemplifies the strategy of tracking high-conviction positions held by institutional leaders in alternative asset management, though clinical-stage biotech remains inherently high-risk with exposure limited to portfolio-appropriate allocation sizes.
Summary
Steve Cohen's Point72 Asset Management has demonstrated conviction in clinical-stage biotechnology through its ownership of Abivax, a France-domiciled biopharmaceutical company trading on the NASDAQ under ticker ABVX. The stock has delivered exceptional returns, appreciating more than 1,600% over the past 12 months, substantially outpacing broad market indices. This dramatic performance follows positive Phase 3 trial data for obefazimod, the company's lead therapeutic candidate, which propelled Abivax's enterprise valuation to €7.13 billion ($8.3 billion USD).

Point72 established its position in Abivax during the fourth quarter of 2023, positioning the fund to capture the subsequent clinical-driven appreciation. Despite the stock's remarkable performance, Cohen's fund has maintained a disciplined capital allocation approach. As of the fourth quarter, Abivax represents only 0.43% of Point72's total holdings, reflecting the hedge fund's broader portfolio construction philosophy that no single position exceeds 2.5% of assets under management. This stringent diversification framework mitigates concentration risk—a critical consideration given the binary outcomes inherent to pre-revenue biopharmaceutical development.

Notably, Point72 executed a tactical reduction in its Abivax position during the fourth quarter, decreasing holdings by 17.65%, signaling selective profit-taking amid positive momentum. This rebalancing demonstrates the systematic approach Cohen's team employs when managing exposure to early-stage clinical assets prone to regulatory and clinical trial volatility. The decision underscores that even conviction positions in high-returning biotech stocks warrant periodic trimming to protect capital and lock in gains. For institutional investors evaluating clinical-stage biotechnology exposure, the positioning of established macro managers like Point72 provides a reference point, though individual investment decisions should reflect each investor's risk tolerance and portfolio construction parameters rather than attempting to replicate hedge fund holdings wholesale.

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Theglobeandmail Billionaire Steve Cohen Owns Shares of This Stock That Has Soared 1,600% in The Past Year