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Compare · AKTX vs MRK

AKTX vs MRK

Side-by-side comparison of Akari Therapeutics plc (AKTX) and Merck & Company Inc. (MRK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both AKTX and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $295.19B, about 12140.0x AKTX ($24.3M).
  • Over the past year, AKTX is down 70.2% and MRK is up 50.8% - MRK leads by 121.0 points.
  • MRK has been more active in the news (27 items in the past 4 weeks vs 12 for AKTX).
  • MRK has more recent analyst coverage (25 ratings vs 3 for AKTX).
PerformanceAKTX-70.23%MRK+46.96%
2025-06-09+0.00%2026-06-08
MetricAKTXMRK
Company
Akari Therapeutics plc
Merck & Company Inc.
Price
$15.06-6.46%
$119.57+0.07%
Market cap
$24.3M
$295.19B
1M return
+146.97%
+7.38%
1Y return
-70.23%
+50.80%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NASDAQ
NYSE
IPO
News (4w)
12
27
Recent ratings
3
25
AKTX

Akari Therapeutics plc

Akari Therapeutics, Plc, a clinical-stage biopharmaceutical company, focuses on the development and commercialization of treatments for autoinflammatory diseases that involve complement and leukotriene pathways. Its lead product candidate is nomacopan, a second-generation complement inhibitor that is in Phase II clinical trial for the treatment of autoimmune and inflammatory diseases, including paroxysmal nocturnal hemoglobinuria, guillain barré syndrome, hematopoietic stem cell transplant-associated thrombotic microangiopathy, and bullous pemphigoid. Akari Therapeutics, Plc is based in London, the United Kingdom.

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.