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Compare · MRK vs TLSA

MRK vs TLSA

Side-by-side comparison of Merck & Company Inc. (MRK) and Tiziana Life Sciences Ltd. (TLSA): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MRK and TLSA operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $295.19B, about 1901.3x TLSA ($155.3M).
  • Over the past year, MRK is up 50.7% and TLSA is down 13.5% - MRK leads by 64.2 points.
  • MRK has been more active in the news (27 items in the past 4 weeks vs 7 for TLSA).
  • MRK has more recent analyst coverage (25 ratings vs 0 for TLSA).
PerformanceMRK+50.70%TLSA-13.48%
2025-06-09+0.00%2026-06-08
MetricMRKTLSA
Company
Merck & Company Inc.
Tiziana Life Sciences Ltd.
Price
$119.49-1.15%
$1.22-1.61%
Market cap
$295.19B
$155.3M
1M return
+6.40%
-19.21%
1Y return
+50.70%
-13.48%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2018
News (4w)
27
7
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.

TLSA

Tiziana Life Sciences Ltd.

Tiziana Life Sciences Plc, a clinical stage biotechnology company, focuses on the discovery and development of molecules and related diagnostics to treat diseases in oncology and immunology in the United Kingdom. The company's product pipeline includes Foralumab (TZLS-401), a human anti-CD3 monclonal antibody for the treatment of autoimmune and inflammatory diseases, such as GvHD, ulcerative colitis, Crohn's disease, multiple sclerosis, type-1 diabetes, inflammatory bowel diseases, psoriasis, and rheumatoid arthritis; and Milciclib (TZLS-201), which is an orally bioavailable, small molecule inhibitor of cyclin-dependent kinases and Src family kinases for the treatment of hepatocellular carcinoma. It also develops anti-IL6R (TZLS-501), a human anti-interleukin-6 receptor monoclonal antibody for the treatment of IL6-induced inflammation, primarily to treat COVID-19 patients with severe respiratory symptoms. The company was founded in 2013 and is headquartered in London, the United Kingdom. Tiziana Life Sciences Plc is a subsidiary of Planwise Group Limited.