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Compare · LLY vs MRK

LLY vs MRK

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

Summary

  • Both LLY and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • LLY is the larger of the two at $234.46B, about 1.1x MRK ($204.35B).
  • Over the past year, LLY is up 0.8% and MRK is up 34.4% - MRK leads by 33.7 points.
  • LLY has been more active in the news (10 items in the past 4 weeks vs 9 for MRK).
  • Both have 25 recent analyst ratings on file.
PerformanceLLY+0.77%MRK+34.42%
2025-04-28+0.00%2026-04-24
MetricLLYMRK
Company
Eli Lilly and Company
Merck & Company Inc.
Price
$884.02-3.63%
$111.84-2.43%
Market cap
$234.46B
$204.35B
1M return
-3.48%
-6.32%
1Y return
+0.77%
+34.42%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NYSE
IPO
News (4w)
10
9
Recent ratings
25
25
LLY

Eli Lilly and Company

Eli Lilly and Company discovers, develops, manufactures, and markets human pharmaceuticals worldwide. It offers Baqsimi for severe hypoglycemia; Basaglar, Humalog, Humalog Mix 75/25, Humalog U-100, Humalog U-200, Humalog Mix 50/50, insulin lispro, insulin lispro protamine, insulin lispro mix 75/25, Humulin, Humulin 70/30, Humulin N, Humulin R, Humulin U-500, and Lyumjev for diabetes; and Jardiance, Trajenta, and Trulicity for type 2 diabetes. The company also provides Alimta for non-small cell lung cancer (NSCLC) and malignant pleural mesothelioma; Cyramza for metastatic gastric cancer, gastro-esophageal junction adenocarcinoma, metastatic NSCLC, metastatic colorectal cancer, and hepatocellular carcinoma; Erbitux for colorectal cancers, and various head and neck cancers; Retevmo for metastatic NSCLC, medullary thyroid cancer, and thyroid cancer; Tyvyt for relapsed or refractory classic Hodgkin's lymph and non-squamous NSCLC; and Verzenio for HR+ and HER2- metastatic breast cancer. In addition, it offers Olumiant for rheumatoid arthritis; and Taltz for plaque psoriasis, psoriatic arthritis, ankylosing spondylitis, and non-radiographic axial spondyloarthritis. Further, the company Cymbalta for depressive disorder, diabetic peripheral neuropathic pain, generalized anxiety disorder, fibromyalgia, and chronic musculoskeletal pain; Emgality for migraine prevention and episodic cluster headache; Reyvow for migraine; and Zyprexa for schizophrenia, bipolar I disorder, and bipolar maintenance. Additionally, it Bamlanivimab and etesevimab for COVID-19; Cialis for erectile dysfunction and benign prostatic hyperplasia; and Forteo for osteoporosis. Eli Lilly and Company has collaborations with Incyte Corporation; Pfizer Inc.; AC Immune SA; Centrexion Therapeutics Corporation; ImmuNext, Inc.; Avidity Biosciences, Inc.; AbCellera Biologics Inc.; Junshi Biosciences; and MiNA Therapeutics Limited. The company was founded in 1876 and is headquartered in Indianapolis, Indiana.

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.

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