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Compare · AZN vs SPRO

AZN vs SPRO

Side-by-side comparison of AstraZeneca PLC (AZN) and Spero Therapeutics Inc. (SPRO): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both AZN and SPRO operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • AZN is the larger of the two at $563.07B, about 3549.1x SPRO ($158.7M).
  • Over the past year, AZN is down 3.5% and SPRO is down 0.5% - SPRO leads by 3.0 points.
  • AZN has been more active in the news (21 items in the past 4 weeks vs 1 for SPRO).
  • AZN has more recent analyst coverage (25 ratings vs 3 for SPRO).
PerformanceAZN-3.51%SPRO+23.20%
2026-02-02+0.00%2026-06-08
MetricAZNSPRO
Company
AstraZeneca PLC
Spero Therapeutics Inc.
Price
$181.67-2.33%
$2.73-3.36%
Market cap
$563.07B
$158.7M
1M return
-0.57%
+8.53%
1Y return
-3.51%
-0.55%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2026
2017
News (4w)
21
1
Recent ratings
25
3
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.

SPRO

Spero Therapeutics Inc.

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing novel treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. Its product candidates include tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic to treat MDR gram-negative infections for adults; SPR206, a direct acting IV-administered agent to treat MDR Gram-negative bacterial infections in the hospital; and SPR720, an oral antibiotic for the treatment of non-tuberculous mycobacterial pulmonary disease. Spero Therapeutics, Inc. has license agreement with Meiji Seika Pharma Co., Ltd. to support the development of tebipenem HBr; license agreement with Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries; collaboration agreement with Bill & Melinda Gates Medical Research Institute to develop SPR720 for the treatment of lung infections caused by Mycobacterium tuberculosis; and license agreement with Vertex Pharmaceuticals Incorporated for patents relating to SPR720, as well as SPR719, an active metabolite. The company is headquartered in Cambridge, Massachusetts.

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