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Compare · GHRS vs MRK

GHRS vs MRK

Side-by-side comparison of GH Research PLC (GHRS) and Merck & Company Inc. (MRK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both GHRS and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $285.64B, about 167.5x GHRS ($1.71B).
  • Over the past year, GHRS is up 100.9% and MRK is up 48.8% - GHRS leads by 52.1 points.
  • MRK has been more active in the news (29 items in the past 4 weeks vs 9 for GHRS).
  • MRK has more recent analyst coverage (25 ratings vs 13 for GHRS).
PerformanceGHRS+100.90%MRK+48.77%
2025-06-03+0.00%2026-06-03
MetricGHRSMRK
Company
GH Research PLC
Merck & Company Inc.
Price
$24.48-1.73%
$114.77-0.80%
Market cap
$1.71B
$285.64B
1M return
+12.97%
+1.46%
1Y return
+100.90%
+48.77%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NASDAQ
NYSE
IPO
2021
News (4w)
9
29
Recent ratings
13
25
GHRS

GH Research PLC

GH Research PLC, a clinical-stage biopharmaceutical company, engages in developing various therapies for the treatment of psychiatric and neurological disorders. The company focuses on developing 5-Methoxy-N,N-Dimethyltryptamine (5-MeO-DMT) therapies for the treatment of patients with treatment-resistant depression (TRD). Its lead program is GH001, an inhalable 5-MeO-DMT product candidate that is being investigated in the Phase 2 part of an ongoing Phase 1/2 clinical trial in patients with TRD. The company also develops GH002, an injectable 5-MeO-DMT product candidate that is in preclinical development trials with a focus on psychiatric and neurological disorders. GH Research PLC was founded in 2018 and is based in Dublin, Ireland.

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.