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Compare · MRK vs PMN

MRK vs PMN

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

Summary

  • Both MRK and PMN operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $314.90B, about 2311.7x PMN ($136.2M).
  • Over the past year, MRK is up 59.4% and PMN is up 37.4% - MRK leads by 22.0 points.
  • MRK has been more active in the news (14 items in the past 4 weeks vs 1 for PMN).
  • MRK has more recent analyst coverage (25 ratings vs 0 for PMN).
PerformanceMRK+59.45%PMN+37.42%
2025-07-18+0.00%2026-07-17
MetricMRKPMN
Company
Merck & Company Inc.
ProMIS Neurosciences Inc.
Price
$127.48-0.14%
$15.57+16.50%
Market cap
$314.90B
$136.2M
1M return
+10.60%
+47.16%
1Y return
+59.45%
+37.42%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
News (4w)
14
1
Recent ratings
25
0
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.

PMN

ProMIS Neurosciences Inc.

ProMIS Neurosciences, Inc. discovers and develops precision medicine solutions for the treatment of neurodegenerative diseases, primarily Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS), and multiple system atrophy (MSA) in Canada. The company's proprietary discovery platform comprises ProMIS and Collective Coordinates algorithms to predict novel targets known as disease specific epitopes on the molecular surface of misfolded proteins. Its lead product candidates include PMN310, a monoclonal antibody (mAb) for toxic oligomers in AD; PMN267, a superoxide dismustase 1 and TAR-DNA binding protein 43 in ALS, as well as alpha synuclein in Parkinson's disease and Lewy body dementia; and PMN442, a mAb targeting toxic a-syn oligomers and seeding fibrils in MSA. The company was formerly known as Amorfix Life Sciences Ltd. and changed its name to ProMIS Neurosciences, Inc. in July 2015. ProMIS Neurosciences, Inc. was incorporated in 2004 and is headquartered in Toronto, Canada.

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