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Compare · ALKS vs AZN

ALKS vs AZN

Side-by-side comparison of Alkermes plc (ALKS) and AstraZeneca PLC (AZN): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ALKS and AZN operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • AZN is the larger of the two at $576.71B, about 80.8x ALKS ($7.13B).
  • Over the past year, ALKS is up 37.5% and AZN is down 3.2% - ALKS leads by 40.7 points.
  • AZN has been more active in the news (21 items in the past 4 weeks vs 18 for ALKS).
  • Both have 25 recent analyst ratings on file.
PerformanceALKS+22.40%AZN-3.19%
2026-02-02+0.00%2026-06-08
MetricALKSAZN
Company
Alkermes plc
AstraZeneca PLC
Price
$42.81+0.04%
$182.27-2.01%
Market cap
$7.13B
$576.71B
1M return
+20.91%
-0.25%
1Y return
+37.54%
-3.19%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NASDAQ
NYSE
IPO
1991
2026
News (4w)
18
21
Recent ratings
25
25
ALKS

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 (aripiprazole lauroxil), an extended-release intramuscular injectable suspension for the treatment of schizophrenia; VIVITROL (naltrexone for extended-release injectable suspension) for the treatment of alcohol and 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 VUMERITY (diroximel fumarate) 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 (olanzapine/samidorphan), 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 with Janssen Pharmaceutica N.V., Janssen Pharmaceutica Inc, and Janssen Pharmaceutica International; a license agreement with Acorda Therapeutics, Inc.; and a license and collaboration agreement with Biogen Swiss Manufacturing GmbH. Alkermes plc was founded in 1987 and is headquartered in Dublin, Ireland.

AZN

AstraZeneca PLC

AstraZeneca PLC discovers, develops, manufactures, and commercializes prescription medicines in the areas of oncology, cardiovascular, renal and metabolism, respiratory, infection, neuroscience, and gastroenterology worldwide. The company's marketed products include Tagrisso, Lynparza, Imfinzi, Enhertu, Koselugo, Lumoxiti, Equidacent, Zoladex, Faslodex, Iressa, Arimidex, Casodex/Cosudex, and others for oncology diseases; Onglyza, Bydureon, Lokelma, Byetta, Qtern, Symlin, and others for cardiovascular, renal, and metabolism diseases; and Symbicort, Pulmicort, Fasenra, Daliresp/Daxas, Duaklir, Tudorza/Eklira, Bevespi, Breztri, Anifrolumab, and others for respiratory and immunology diseases. It also offers other medicines and COVID-19 products, including Synagis, Fluenz Tetra/FluMist Quadrivalent, Seroquel IR/Seroquel XR, Vimovo, Movantik/Moventig, Nexium, Losec/Prilosec, and COVID-19 Vaccine AstraZeneca. The company serves primary care and specialty care physicians through distributors and local representative offices. It has a collaboration agreement with Daiichi Sankyo to develop and commercialize DS-1062 for the treatment of trophoblast cell-surface antigen 2 (TROP2) tumor; AliveCor, Inc. to develop non-invasive potassium monitoring solutions; Massachusetts General Hospital to accelerate digital health solutions; Sanguina on smartphone application study for hemoglobin management in patients with anemia of chronic kidney disease; Alchemab to enhance prostate cancer research; and Proteros biostructures GmbH to discover and develop novel small molecules for the treatment of various types of cancer. The company was formerly known as Zeneca Group PLC and changed its name to AstraZeneca PLC in April 1999. It has a collaboration agreement with Regeneron Pharmaceuticals, Inc. to research, develop, and commercialize small molecule medicines for obesity. AstraZeneca PLC was incorporated in 1992 and is headquartered in Cambridge, the United Kingdom.

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