11 Best Performing Stocks in the Last 12 Months

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1. ABIVAX Société Anonyme (NASDAQ:ABVX)

1-Year Share Performance: 1,849.02%

Number of Hedge Fund Holders: 56

For the past couple of months, speculation has arisen that Eli Lilly, an American multinational pharmaceutical company, is pursuing a potential acquisition of ABIVAX Société Anonyme (NASDAQ:ABVX). However, on January 20, 2026, ABIVAX’s CEO Marc De Garidel dismissed those reports as “noise.” He clarified that no formal discussions with the French government or the company have taken place.

Amid these rumors, ABIVAX Société Anonyme (NASDAQ:ABVX) shares surged, climbing more than 2,000% from July through December 2025. The shares peaked at $145 on December 24 before settling at $118 after the French government dismissed the rumors.

Furthermore, ABIVAX Société Anonyme (NASDAQ:ABVX) CEO clarified that a public deal announcement would be made before foreign investment oversight would engage. Moreover, he said that informal conversations, if any, do not align with regulatory requirements. De Garidel further added that this noise is a distraction from the company’s obefazimod progress as it strengthens its shareholder base. While the program is well funded through Q4 2027, he reiterated the company’s financing needs after meeting with several potential investors at the JPMorgan Healthcare conference in San Francisco.

ABIVAX Société Anonyme (NASDAQ:ABVX) develops antiviral and vaccine products, including therapies for chronic hepatitis B, Ebola, dengue, and ulcerative colitis, as well as commercial vaccines for typhoid, meningococcal, and leptospirosis.

While we acknowledge the potential of ABVX to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than ABVX and that has 100x upside potential, check out our report about this cheapest AI stock.

READ NEXT: What Are the Best Stocks to Buy Right Now? and 10 Stocks Under $1 That Will Explode.

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