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Compare · AZN vs SLN

AZN vs SLN

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

Summary

  • Both AZN and SLN operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • AZN is the larger of the two at $576.71B, about 1997.2x SLN ($288.8M).
  • Over the past year, AZN is down 3.5% and SLN is up 17.6% - SLN leads by 21.1 points.
  • AZN has been more active in the news (21 items in the past 4 weeks vs 5 for SLN).
  • AZN has more recent analyst coverage (25 ratings vs 7 for SLN).
PerformanceAZN-3.51%SLN+27.42%
2026-02-02+0.00%2026-06-08
MetricAZNSLN
Company
AstraZeneca PLC
Silence Therapeutics Plc
Price
$181.67-2.33%
$6.25+1.13%
Market cap
$576.71B
$288.8M
1M return
-0.57%
-10.07%
1Y return
-3.51%
+17.59%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2026
News (4w)
21
5
Recent ratings
25
7
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.

SLN

Silence Therapeutics Plc

Silence Therapeutics plc, a biotechnology company, focuses on the discovery and development of novel ribonucleic acid (RNA) therapeutics in hematology, cardiovascular, and other rare and metabolic indications. The company's platform includes mRNAi GalNAc Oligonucleotide Discovery platform designed to accurately target specific disease-associated genes in the liver. It designs short interfering RNA molecules to harness the body's natural mechanism of RNA interference, and degrading messenger RNA molecules that encode specific targeted disease-associated proteins in a cell. The company is developing various product candidates, including SLN360, which is Phase I clinical trials for the treatment of cardiovascular disease with high lipoprotein; SLN124 that is in Phase I clinical trials for the treatment of non-transfusion dependent thalassemia, and Phase Ib clinical trials for the treatment of myelodysplastic syndrome; and SLN500 for the treatment of complement-mediated diseases. It has a collaboration agreements with AstraZeneca to discover, develop, and commercialize small interfering RNA therapeutics for the treatment of cardiovascular, renal, metabolic, and respiratory diseases; and Mallinckrodt Pharma IP Trading DAC to develop and commercialize RNAi drug targets designed to silence the complement cascade in complement-mediated disorders. The company was formerly known as SR Pharma plc and changed its name to Silence Therapeutics plc in May 2007. Silence Therapeutics plc is headquartered in London, the United Kingdom.

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