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Compare · GRFS vs MRK

GRFS vs MRK

Side-by-side comparison of Grifols S.A. (GRFS) and Merck & Company Inc. (MRK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both GRFS and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $298.33B, about 56.8x GRFS ($5.25B).
  • Over the past year, GRFS is down 13.3% and MRK is up 52.5% - MRK leads by 65.8 points.
  • MRK has hit the wire 26 times in the past 4 weeks while GRFS has been quiet.
  • MRK has more recent analyst coverage (25 ratings vs 10 for GRFS).
PerformanceGRFS-13.32%MRK+52.45%
2025-06-09+0.00%2026-06-05
MetricGRFSMRK
Company
Grifols S.A.
Merck & Company Inc.
Price
$7.64+0.72%
$120.88+0.51%
Market cap
$5.25B
$298.33B
1M return
-9.10%
+6.46%
1Y return
-13.32%
+52.45%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NASDAQ
NYSE
IPO
News (4w)
0
26
Recent ratings
10
25
GRFS

Grifols S.A.

Grifols, S.A. engages in the procurement, manufacture, preparation, and sale of therapeutic products primarily hemoderivatives. The company operates through Bioscience, Hospital, Diagnostic, Bio Supplies, and Others segments. The Bioscience segment produces plasma-derived medicines for the treatment of rare, chronic, and life-threatening conditions. It offers intravenous immunoglobin, albumin, alpha-1-antitrypsin, factor VIII, antithrombin, and other specialty hyperimmune immunoglobulins. The Hospital segment offers non-biological pharmaceutical products and medical supplies for hospital pharmacy, such as intravenous solutions, pharmatech solutions, clinical nutrition products, and medical devices for interventional therapy. The Diagnostic segment manufactures and markets diagnostic testing equipment, reagents, and other equipment. The Bio Supplies segment provides biological products for non-therapeutic uses. The Others segment renders manufacturing services to third party companies. The company also provides engineering services; and rents industrial buildings. Its products and services are used by healthcare providers to diagnose and treat patients with hemophilia, immune deficiencies, infectious diseases, and other medical conditions. The company serves public and private customers; and wholesalers, distributors, group purchasing organizations, blood banks, hospitals and care institutions, and national health systems. Grifols, S.A. has a technology collaboration agreement with Mondragon. The company was founded in 1940 and is headquartered in Barcelona, Spain.

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.