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Compare · MRK vs PAHC

MRK vs PAHC

Side-by-side comparison of Merck & Company Inc. (MRK) and Phibro Animal Health Corporation (PAHC): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MRK and PAHC operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $276.54B, about 123.7x PAHC ($2.24B).
  • Over the past year, MRK is up 34.4% and PAHC is up 199.3% - PAHC leads by 164.9 points.
  • MRK has been more active in the news (9 items in the past 4 weeks vs 5 for PAHC).
  • MRK has more recent analyst coverage (25 ratings vs 11 for PAHC).
PerformanceMRK+34.42%PAHC+199.32%
2025-04-28+0.00%2026-04-24
MetricMRKPAHC
Company
Merck & Company Inc.
Phibro Animal Health Corporation
Price
$111.84-2.43%
$55.20+1.02%
Market cap
$276.54B
$2.24B
1M return
-6.32%
-3.23%
1Y return
+34.42%
+199.32%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2014
News (4w)
9
5
Recent ratings
25
11
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.

PAHC

Phibro Animal Health Corporation

Phibro Animal Health Corporation develops, manufactures, and supplies a range of animal health and mineral nutrition products for livestock primarily in the United States. It operates through three segments: Animal Health, Mineral Nutrition, and Performance Products. The company develops, manufactures, and markets products for a range of food animals, including poultry, swine, beef and dairy cattle, and aquaculture. Its animal health products also comprise antibacterials that are biological or chemical products used in the animal health industry to treat or to prevent bacterial diseases; anticoccidials primarily used to prevent and control the disease coccidiosis in poultry and cattle; anthelmintics to treat infestations of parasitic intestinal worms; and anti-bloat treatment products for cattle to control bloat in animals grazing on legume or wheat-pasture. In addition, the company offers nutritional specialty products, which enhance nutrition to help improve health and performance; and vaccines to prevent diseases primarily for the poultry and swine markets. Further, it manufactures and markets formulations and concentrations of trace minerals, such as zinc, manganese, copper, iron, and other compounds; and various specialty ingredients for use in the personal care, industrial chemical, and chemical catalyst industries. The company sells its animal health and mineral nutrition products through local sales offices to integrated poultry, swine, and cattle integrators, as well as through commercial animal feed manufacturers, wholesalers, and distributors. It operates in the United States, Latin America, Canada, Europe, the Middle East, Africa, and the Asia Pacific. The company was formerly known as Philipp Brothers Chemicals, Inc. and changed its name to Phibro Animal Health Corporation in July 2003. Phibro Animal Health Corporation was incorporated in 2014 and is headquartered in Teaneck, New Jersey.

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