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Compare · MRK vs SYBX

MRK vs SYBX

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

Summary

  • Both MRK and SYBX operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • MRK is the larger of the two at $294.13B, about 2268.5x SYBX ($129.7M).
  • Over the past year, MRK is up 52.4% and SYBX is down 54.3% - MRK leads by 106.7 points.
  • MRK has been more active in the news (28 items in the past 4 weeks vs 1 for SYBX).
  • MRK has more recent analyst coverage (25 ratings vs 6 for SYBX).
PerformanceMRK+49.69%SYBX-54.27%
2025-06-12+0.00%2026-06-11
MetricMRKSYBX
Company
Merck & Company Inc.
Synlogic Inc.
Price
$122.49+2.86%
$0.58-49.46%
Market cap
$294.13B
$129.7M
1M return
+8.95%
+0.00%
1Y return
+52.43%
-54.27%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2015
News (4w)
28
1
Recent ratings
25
6
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.

SYBX

Synlogic Inc.

Synlogic, Inc., a clinical-stage biopharmaceutical company, focuses on the discovery and development of synthetic biotic medicines to treat metabolic, inflammatory, and cancer diseases in the United States. Its therapeutic programs include SYNB1618, an oral therapy that is in Phase II clinical trial to treat phenylketonuria (PKU), as well as pre-clinical stage product SYNB1934 for the treatment of PKU; and SYNB8802 that is in Phase I clinical trial for the treatment of Enteric Hyperoxaluria. The company is also developing SYNB1891, an intratumorally administered synthetic biotic medicine that is in Phase I clinical trial to treat solid tumors and lymphoma. It has a collaboration agreement with Ginkgo Bioworks for the development of synthetic biotic medicines. Synlogic, Inc. is headquartered in Cambridge, Massachusetts.