Alkermes plc, a biopharmaceutical company, engages in the research, development, and commercialization of pharmaceutical products to address unmet medical needs of patients in therapeutic areas in the United States, Ireland, and internationally. The company has a portfolio of proprietary commercial products for the treatment of opioid dependence, alcohol dependence, schizophrenia, bipolar I, and a pipeline of clinical and preclinical product candidates in development for neurological disorders. Its marketed products include ARISTADA, an intramuscular injectable suspension for the treatment of schizophrenia; ARISTADA INITIO for the treatment of schizophrenia in adults; VIVITROL for the treatment of alcohol and prevention of opioid dependence; LYBALVI, an oral atypical antipsychotic drug candidate for the treatment of adults with schizophrenia and bipolar I disorder; and LUMRYZ, an extended-release oral suspension product for the treatment of cataplexy or EDS in pediatric patients. The company also offers proprietary technology platforms to third parties to enable them to develop, commercialize, and manufacture products. 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. Show more

Connaught House, Dublin, D04 C5Y6, Ireland

https://www.alkermes.com

Drug Manufacturers - Specialty & Generic

Healthcare

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Market Cap

4.626B

52 Wk Range

$25.17 - $36.32

Previous Close

$27.64

Open

$27.88

Volume

2,896,735

Day Range

$27.41 - $28.34

Enterprise Value

4.106B

Cash

588.2M

Avg Qtr Burn

N/A

Insider Ownership

1.60%

Institutional Own.

Qtr Updated

12/31/25

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Drug & Indication	Stage & Event	Catalyst Date
LYBALVI (ALKS 3831) Details Bipolar disease, Mental health, Schizophrenia	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Aristada (aripiprazole lauroxil) Details Mental health, Schizophrenia	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Vivitrol (naltrexone) Details Alcohol dependence, Opioid dependence	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ALKS 2680 (RDC-264177) Details Narcolepsy	Phase 3 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ALKS 2680 (RDC-264177) Details Narcolepsy Type 1	Phase 3 Initiation	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
ALKS 2680 (RDC-264177) Details Idiopathic hypersomnia	Phase 2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.