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Compare · IOBT vs MRK

IOBT vs MRK

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

Summary

  • Both IOBT 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 1316.8x IOBT ($224.2M).
  • Over the past year, IOBT is down 96.7% and MRK is up 50.7% - MRK leads by 147.4 points.
  • MRK has hit the wire 27 times in the past 4 weeks while IOBT has been quiet.
  • MRK has more recent analyst coverage (25 ratings vs 7 for IOBT).
PerformanceIOBT-96.71%MRK+48.84%
2025-06-09+0.00%2026-04-06
MetricIOBTMRK
Company
IO Biotech Inc.
Merck & Company Inc.
Price
$0.05+54.32%
$119.49-1.15%
Market cap
$224.2M
$295.19B
1M return
-84.88%
+6.40%
1Y return
-96.71%
+50.70%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NASDAQ
NYSE
IPO
2021
News (4w)
0
27
Recent ratings
7
25
IOBT

IO Biotech Inc.

IO Biotech, Inc., a clinical-stage biopharmaceutical company, develops disruptive immune modulating anti-cancer therapies in Denmark. The company's lead product candidate, IO102-IO103, is designed to target immunosuppressive proteins, such as Indoleamine 2,3-dehydrogenase (IDO), and programmed death ligand (PD-L1). It also develops IO112, a product candidate that contains a single Arginase 1-derived peptide designed to target T cells that recognize epitopes derived from Arginase 1 for the treatment of cancers. IO Biotech, Inc. was incorporated in 2021 and is based in Copenhagen, Denmark.

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.