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Compare · MRK vs RCKT

MRK vs RCKT

Side-by-side comparison of Merck & Company Inc. (MRK) and Rocket Pharmaceuticals Inc. (RCKT): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MRK and RCKT operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $295.19B, about 1001.3x RCKT ($294.8M).
  • Over the past year, MRK is up 50.7% and RCKT is down 10.9% - MRK leads by 61.6 points.
  • MRK has been more active in the news (27 items in the past 4 weeks vs 8 for RCKT).
  • Both have 25 recent analyst ratings on file.
PerformanceMRK+50.70%RCKT-10.93%
2025-06-09+0.00%2026-06-08
MetricMRKRCKT
Company
Merck & Company Inc.
Rocket Pharmaceuticals Inc.
Price
$119.49-1.15%
$2.69-2.18%
Market cap
$295.19B
$294.8M
1M return
+6.40%
-27.88%
1Y return
+50.70%
-10.93%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2015
News (4w)
27
8
Recent ratings
25
25
MRK

Merck & Company Inc.

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health segments. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, diabetes, and women's health, as well as vaccine products. The Animal Health segment provides discovers, develops, manufactures, and markets a range of veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as a suite of digitally connected identification, traceability, and monitoring products. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; and Ridgeback Biotherapeutics. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaboration agreement with Gilead Sciences, Inc. to co-develop and co-commercialize long-acting investigational treatment combinations of Lenacapavir and Islatravir in HIV; Amathus Therapeutics to develop treatments for neurodegenerative diseases; and Linnaeus Therapeutics, Inc. to evaluate LNS8801 in combination with KEYTRUDA for patients with advanced cancer. It also has a collaboration with Biomed X Gmbh for building on ongoing research projects in the fields of oncology (DNA damage response and RNA splicing) and autoimmunity (intestinal epithelial barrier in autoimmune diseases); and a collaboration agreement with NGM Biopharmaceuticals, Inc. to focus primarily on the development of novel medicines for unmet patient needs in retinal and CVM diseases, including heart failure. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.

RCKT

Rocket Pharmaceuticals Inc.

Rocket Pharmaceuticals, Inc., together with its subsidiaries, operates as a multi-platform biotechnology company that focuses on developing gene therapies for rare and devastating pediatric diseases. It has four clinical-stage ex vivo lentiviral vector programs for fanconi anemia, a genetic defect in the bone marrow that reduces production of blood cells or promotes the production of faulty blood cells; leukocyte adhesion deficiency-I, a genetic disorder that causes the immune system to malfunction; pyruvate kinase deficiency, a rare red blood cell autosomal recessive disorder that results in chronic non-spherocytic hemolytic anemia; and infantile malignant osteopetrosis, a genetic disorder characterized by increased bone density and bone mass secondary to impaired bone resorption. The company also has a clinical stage in vivo adeno-associated virus program for Danon disease, a multi-organ lysosomal-associated disorder leading to early death due to heart failure. It has license agreements with Fred Hutchinson Cancer Research Center; Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Centro de Investigacion Biomedica En Red, and Fundacion Instituto de investigacion Sanitaria Fundacion Jimenez Diaz; CIEMAT and UCL Business PLC; The Regents of the University of California; and REGENXBIO Inc. The company also has a research and collaboration agreement with Lund University; and strategic collaboration agreement with Stanford University School of Medicine. Rocket Pharmaceuticals, Inc. is headquartered in Cranbury, New Jersey.

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