Compare · MRK vs SION
MRK vs SION
Side-by-side comparison of Merck & Company Inc. (MRK) and Sionna Therapeutics Inc. (SION): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both MRK and SION operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
- MRK is the larger of the two at $298.33B, about 186.8x SION ($1.60B).
- Over the past year, MRK is up 50.7% and SION is up 103.4% - SION leads by 52.7 points.
- MRK has been more active in the news (26 items in the past 4 weeks vs 5 for SION).
- MRK has more recent analyst coverage (25 ratings vs 9 for SION).
- Company
- Merck & Company Inc.
- Sionna Therapeutics Inc.
- Price
- $119.49-1.15%
- $33.64-4.94%
- Market cap
- $298.33B
- $1.60B
- 1M return
- +6.40%
- -22.35%
- 1Y return
- +50.70%
- +103.45%
- Industry
- Biotechnology: Pharmaceutical Preparations
- Biotechnology: Pharmaceutical Preparations
- Exchange
- NYSE
- NASDAQ
- IPO
- 2025
- News (4w)
- 26
- 5
- Recent ratings
- 25
- 9
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.
Latest MRK
- Apotex launches sitagliptin tablets and sitagliptin and metformin hydrochloride tablets, eligible for 180-day shared exclusivity
- SEC Form 4 filed by Director Warden Kathy J
- SEC Form 4 filed by Director Karsanbhai Surendralal Lanca
- SEC Form 4 filed by Director Coe Mary Ellen
- SEC Form 4 filed by Director Thulin Inge G
- SEC Form 4 filed by Director Seidman Christine E
- SEC Form 4 filed by Director Russo Patricia F
- SEC Form 4 filed by Director Rothman Paul
- SEC Form 4 filed by Director Mayo Stephen
- SEC Form 4 filed by Director Lavizzo-Mourey Risa J
Latest SION
- Amendment: SEC Form 144/A filed by Sionna Therapeutics Inc.
- Director Thompson Peter A. sold $4,493 worth of shares (101 units at $44.49) as part of a pre-agreed trading plan (SEC Form 4)
- Director Orbimed Advisors Llc sold $4,493 worth of shares (101 units at $44.49) as part of a pre-agreed trading plan (SEC Form 4)
- SEC Form 144 filed by Sionna Therapeutics Inc.
- Sionna Therapeutics to Participate in Upcoming June 2026 Investor Conferences
- Amendment: SEC Form SCHEDULE 13G/A filed by Sionna Therapeutics Inc.
- Sionna Therapeutics to Participate in the 2026 RBC Capital Markets Global Healthcare Conference
- Amendment: SEC Form SCHEDULE 13G/A filed by Sionna Therapeutics Inc.
- SEC Form 10-Q filed by Sionna Therapeutics Inc.
- Sionna Therapeutics Inc. filed SEC Form 8-K: Results of Operations and Financial Condition