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Compare · ARWR vs MRK

ARWR vs MRK

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

Summary

  • Both ARWR and MRK operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $283.29B, about 27.7x ARWR ($10.22B).
  • Over the past year, ARWR is up 337.0% and MRK is up 48.8% - ARWR leads by 288.2 points.
  • MRK has been more active in the news (29 items in the past 4 weeks vs 5 for ARWR).
  • MRK has more recent analyst coverage (25 ratings vs 19 for ARWR).
PerformanceARWR+336.98%MRK+48.77%
2025-06-03+0.00%2026-06-03
MetricARWRMRK
Company
Arrowhead Pharmaceuticals Inc.
Merck & Company Inc.
Price
$72.56+2.42%
$114.77-0.80%
Market cap
$10.22B
$283.29B
1M return
-5.01%
+1.46%
1Y return
+336.98%
+48.77%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NASDAQ
NYSE
IPO
News (4w)
5
29
Recent ratings
19
25
ARWR

Arrowhead Pharmaceuticals Inc.

Arrowhead Pharmaceuticals, Inc. develops medicines for the treatment of intractable diseases in the United States. The company's products in pipeline includes ARO-AAT, a RNA interference (RNAi) therapeutic candidate that is in Phase II clinical trial for the treatment of liver diseases associated with alpha-1 antitrypsin deficiency; ARO-APOC3, which is in Phase I/II clinical trial to treat hypertriglyceridemia; ARO-ANG3 that is in Phase I/II clinical trial to reduce production of angiopoietin-like protein 3; ARO-HSD, which is in Phase I/II clinical trial for treating liver diseases; ARO-ENaC, which is in Phase I/II clinical trial to reduce production of the epithelial sodium channel alpha subunit in the airways of the lung; ARO-Lung2 for the treatment of chronic obstructive pulmonary disorder; ARO-COV for the treatment of COVID-19 and other pulmonary-borne pathogens; and ARO-HIF2, which is in phase Ib for the treatment of clear cell renal cell carcinoma. It is also involved in the development of JNJ-3989, a subcutaneously administered RNAi therapeutic candidate to treat chronic hepatitis B virus infection; Olpasiran to reduce production of apolipoprotein A; and ARO-AMG1 for treating genetically validated cardiovascular target. Arrowhead Pharmaceuticals, Inc. has license and research collaboration agreement with Janssen Pharmaceuticals, Inc. to develop ARO-JNJ1, ARO-JNJ2, and ARO-JNJ3 RNAi therapeutics for liver-expressed targets; and license and research collaboration agreement with Takeda Pharmaceuticals U.S.A., Inc. to develop RNAi therapeutic candidate. The company was formerly known as Arrowhead Research Corporation and changed its name to Arrowhead Pharmaceuticals, Inc. in April 2016. Arrowhead Pharmaceuticals, Inc. was incorporated in 1989 and is headquartered in Pasadena, California.

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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