Avoro Capital Advisors ALKS Position
Active10-Fund ConvergenceAvoro Capital Advisors trimmed their position in Alkermes plc (ALKS) in Q4 2025, holding $39.2M worth of shares across 1,400,000 shares.
The position was first reported in Q4 2024 and has been tracked across 5 quarterly 13F filings.
ALKS is a convergence signal: 10 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 2 readout for ALKS 2680 in 75 days (Jun 30, 2026), making the timing of Avoro Capital's position particularly relevant.
Short interest stands at 17.9% of float with 10.0 days to cover, indicating significant bearish positioning against Avoro Capital's long thesis.
About Alkermes plc
Alkermes plc, a biopharmaceutical company, researches, develops, and commercializes pharmaceutical products to address unmet medical needs of patients in various therapeutic areas in the United States, Ireland, and internationally. Its marketed products include ARISTADA, an intramuscular injectable suspension for the treatment of schizophrenia; VIVITROL for the treatment of alcohol and prevention of opioid dependence; RISPERDAL CONSTA for the treatment of schizophrenia and bipolar I disorder; INVEGA SUSTENNA for the treatment of schizophrenia and schizoaffective disorder; XEPLION, INVEGA TRINZA, and TREVICTA to treat schizophrenia and schizoaffective; and VUMERITY for the treatment of relapsing forms of multiple sclerosis in adults, including clinically isolated syndrome, relapsing-remitting and active secondary progressive diseases. The company is also developing LYBALVI, an oral atypical antipsychotic drug candidate for the treatment of adults with schizophrenia and bipolar I disorder; and nemvaleukin alfa, an engineered fusion protein to expand tumor-killing immune cells and to avoid the activation of immunosuppressive cells. It has collaboration agreements primarily with Janssen Pharmaceutica N.V., Janssen Pharmaceutica Inc, and Janssen Pharmaceutica International. Alkermes plc was founded in 1987 and is headquartered in Dublin, Ireland.
Full company profile →Short Interest
17.9%
10.0 days to cover
Avoro Capital Advisors ALKS Position History
Frequently Asked Questions
Does Avoro Capital Advisors own ALKS?
Yes. As of Q4 2025, Avoro Capital Advisors holds 1,400,000 shares of Alkermes plc (ALKS) valued at $39.2M. This data comes from their SEC 13F filing.
How many hedge funds own ALKS?
10 specialist biotech hedge funds currently hold ALKS, including Baker Bros. Advisors, RTW Investments, Deep Track Capital and 6 more. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did Avoro Capital Advisors first buy ALKS?
Avoro Capital Advisors's position in ALKS was first reported in Q4 2024. 13F filings are reported with a 45-day delay, so the actual purchase may have occurred earlier in the quarter.
Is Avoro Capital Advisors's ALKS position increasing or decreasing?
Avoro Capital Advisors trimmed their ALKS position in the most recent quarter, reducing by 840,000 shares.
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