Institutional shares held 177 Million
229K calls
436K puts
Total value of holdings $5.13B
$6.63M calls
$12.6M puts
Market Cap $4.76B
164,254,000 Shares Out.
Institutional ownership 107.75%
# of Institutions 409


Latest Institutional Activity in ALKS

Top Purchases

Q1 2025
Jpmorgan Chase & CO Shares Held: 5.23M ($152M)
Q1 2025
Wellington Management Group LLP Shares Held: 3.1M ($89.7M)
Q1 2025
Ubs Group Ag Shares Held: 3.04M ($88.2M)
Q1 2025
Nuveen, LLC Shares Held: 2.02M ($58.5M)
Q1 2025
Holocene Advisors, LP Shares Held: 2.17M ($63M)

Top Sells

Q1 2025
Pacer Advisors, Inc. Shares Held: 890K ($25.8M)
Q1 2025
State Street Corp Shares Held: 8.02M ($232M)
Q1 2025
Rtw Investments, LP Shares Held: 6.88M ($200M)
Q1 2025
Price T Rowe Associates Inc Shares Held: 11.8M ($342M)
Q1 2025
Millennium Management LLC Shares Held: 177K ($5.13M)

About ALKS

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.


Insider Transactions at ALKS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
1.12M Shares
From 20 Insiders
Exercise of conversion of derivative security 776K shares
Grant, award, or other acquisition 341K shares
Sell / Disposition
846K Shares
From 19 Insiders
Payment of exercise price or tax liability 220K shares
Open market or private sale 626K shares

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