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Compare · AZN vs RYTM

AZN vs RYTM

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

Summary

  • Both AZN and RYTM operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • AZN is the larger of the two at $563.07B, about 95.6x RYTM ($5.89B).
  • Over the past year, AZN is down 3.5% and RYTM is up 28.8% - RYTM leads by 32.3 points.
  • AZN has been more active in the news (21 items in the past 4 weeks vs 6 for RYTM).
  • Both have 25 recent analyst ratings on file.
PerformanceAZN-3.51%RYTM-21.11%
2026-02-02+0.00%2026-06-08
MetricAZNRYTM
Company
AstraZeneca PLC
Rhythm Pharmaceuticals Inc.
Price
$181.67-2.33%
$86.03-0.47%
Market cap
$563.07B
$5.89B
1M return
-0.57%
-10.65%
1Y return
-3.51%
+28.82%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2026
2017
News (4w)
21
6
Recent ratings
25
25
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.

RYTM

Rhythm Pharmaceuticals Inc.

Rhythm Pharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on the development and commercialization of therapeutics for the treatment of rare genetic diseases of obesity. The company's lead product candidate is IMCIVREE, a potent melanocortin-4 receptor for the treatment of pro-opiomelanocortin (POMC), proprotein convertase subtilisin/kexin type 1, leptin receptor (LEPR) deficiency obesity, and Bardet-Biedl and Alström syndrome. It is also developing setmelanotide, which is in Phase II clinical trials for treating POMC or LEPR heterozygous deficiency obesities, steroid receptor coactivator 1 deficiency obesity, SH2B1 deficiency obesity, MC4 receptor deficiency obesity, Smith-Magenis syndrome obesity, POMC epigenetic disorders, and other MC4R disorders. Rhythm Pharmaceuticals, Inc. has a collaborative research agreement with the Clinical Registry Investigating Bardet-Biedl Syndrome. The company was formerly known as Rhythm Metabolic, Inc. and changed its name to Rhythm Pharmaceuticals, Inc. in October 2015. Rhythm Pharmaceuticals, Inc. was founded in 2008 and is headquartered in Boston, Massachusetts.

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