Compare · MRK vs SPRO
MRK vs SPRO
Side-by-side comparison of Merck & Company Inc. (MRK) and Spero Therapeutics Inc. (SPRO): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both MRK and SPRO operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
- MRK is the larger of the two at $385.99B, about 5388.7x SPRO ($71.6M).
- MRK has been more active in the news (17 items in the past 4 weeks vs 7 for SPRO).
- MRK has more recent analyst coverage (25 ratings vs 3 for SPRO).
- Company
- Merck & Company Inc.
- Spero Therapeutics Inc.
- Price
- -
- -
- Market cap
- $385.99B
- $71.6M
- 1M return
- +19.67%
- -
- 1Y return
- +84.05%
- -
- Industry
- Biotechnology: Pharmaceutical Preparations
- Biotechnology: Pharmaceutical Preparations
- Exchange
- NYSE
- NASDAQ
- IPO
- 2017
- News (4w)
- 17
- 7
- Recent ratings
- 25
- 3
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.
Spero Therapeutics Inc.
Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing novel treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. Its product candidates include tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic to treat MDR gram-negative infections for adults; SPR206, a direct acting IV-administered agent to treat MDR Gram-negative bacterial infections in the hospital; and SPR720, an oral antibiotic for the treatment of non-tuberculous mycobacterial pulmonary disease. Spero Therapeutics, Inc. has license agreement with Meiji Seika Pharma Co., Ltd. to support the development of tebipenem HBr; license agreement with Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries; collaboration agreement with Bill & Melinda Gates Medical Research Institute to develop SPR720 for the treatment of lung infections caused by Mycobacterium tuberculosis; and license agreement with Vertex Pharmaceuticals Incorporated for patents relating to SPR720, as well as SPR719, an active metabolite. The company is headquartered in Cambridge, Massachusetts.
Latest MRK
- Merck downgraded by RBC Capital Mkts with a new price target
- Merck upgraded by Morgan Stanley with a new price target
- Merck and Moderna Announce Phase 3 INTerpath-001 Trial of Intismeran Autogene Plus KEYTRUDA® Met Endpoints of Recurrence-Free Survival (RFS) and Distant Metastasis-Free Survival (DMFS) in Patients With Completely Resected Stage IIB-IV Melanoma
- EVP, Access, Policy & Comms Guindo Chirfi sold $1,350,000 worth of shares (10,000 units at $135.00), decreasing direct ownership by 21% to 36,613 units (SEC Form 4)
- EVP, General Counsel Zachary Jennifer exercised 54,927 shares at a strike of $109.78 and sold $10,718,495 worth of shares (80,315 units at $133.46), decreasing direct ownership by 36% to 45,509 units (SEC Form 4)
- EVP&Pres, Merck Animal Heallth Deluca Richard R. sold $5,942,369 worth of shares (45,320 units at $131.12), decreasing direct ownership by 29% to 110,167 units (SEC Form 4)
- Merck upgraded by Daiwa Securities with a new price target
- EVP&Pres, Merck Animal Heallth Deluca Richard R. sold $788,773 worth of shares (6,050 units at $130.38), decreasing direct ownership by 4% to 155,487 units (SEC Form 4)
- EVP & Pres. MMD Maraldo David R. exercised 18,706 shares at a strike of $82.25 and sold $2,407,797 worth of shares (18,706 units at $128.72) (SEC Form 4)
- EVP,Chief Info&Digital Officer Williams David Michael exercised 52,847 shares at a strike of $74.49 and sold $6,805,145 worth of shares (52,847 units at $128.77), increasing direct ownership by 0.00% to 31,716 units (SEC Form 4)
Latest SPRO
- Spero Therapeutics Inc. filed SEC Form 8-K: Results of Operations and Financial Condition
- SEC Form 10-Q filed by Spero Therapeutics Inc.
- Spero Therapeutics Announces Second Quarter 2026 Operating Results and Provides Business Update
- Chief Medical Officer Zack Debra was granted 162,311 shares (SEC Form 4)
- SEC Form 3 filed by new insider Zack Debra
- Spero Therapeutics Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)
- Spero Therapeutics to Report Second Quarter 2026 Financial Results and Provide Business Update on August 12, 2026
- Spero Therapeutics Appoints Debra Jeske Zack, M.D., Ph.D., as Chief Medical Officer
- Spero Therapeutics Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation, Regulation FD Disclosure
- Spero Therapeutics Announces $105 Million Non-Recourse Non-Dilutive Financing Backed by a Portion of Utebzi Milestones & Royalties