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Compare · ABT vs MRSN

ABT vs MRSN

Side-by-side comparison of Abbott Laboratories (ABT) and Mersana Therapeutics Inc. (MRSN): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ABT and MRSN operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • ABT is the larger of the two at $158.63B, about 510.6x MRSN ($310.7M).
  • Over the past year, ABT is down 32.1% and MRSN is up 199.9% - MRSN leads by 231.9 points.
  • ABT has hit the wire 6 times in the past 4 weeks while MRSN has been quiet.
  • ABT has more recent analyst coverage (25 ratings vs 22 for MRSN).
PerformanceABT-28.28%MRSN+199.86%
2025-11-07+0.00%2026-06-08
MetricABTMRSN
Company
Abbott Laboratories
Mersana Therapeutics Inc.
Price
$90.65-0.45%
$29.11+0.76%
Market cap
$158.63B
$310.7M
1M return
+4.22%
+4.83%
1Y return
-32.05%
+199.86%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2017
News (4w)
6
0
Recent ratings
25
22
ABT

Abbott Laboratories

Abbott Laboratories discovers, develops, manufactures, and sells health care products worldwide. It operates in four segments: Established Pharmaceutical Products, Diagnostic Products, Nutritional Products, and Medical Devices. The Established Pharmaceutical Products segment provides generic pharmaceuticals for the treatment of pancreatic exocrine insufficiency, irritable bowel syndrome or biliary spasm, intrahepatic cholestasis or depressive symptoms, gynecological disorder, hormone replacement therapy, dyslipidemia, hypertension, hypothyroidism, Ménière's disease and vestibular vertigo, pain, fever, inflammation, and migraine, as well as provides anti-infective clarithromycin, influenza vaccine, and products to regulate physiological rhythm of the colon. The Diagnostic Products segment offers laboratory systems in the areas of immunoassay, clinical chemistry, hematology, and transfusion; molecular diagnostics systems that automate the extraction, purification, and preparation of DNA and RNA from patient samples, as well as detect and measure infectious agents; point of care systems; cartridges for testing blood; rapid diagnostics lateral flow testing products; molecular point-of-care testing for HIV, SARS-CoV-2, influenza A and B, RSV, and strep A; cardiometabolic test systems; drug and alcohol test, and remote patient monitoring and consumer self-test systems; and informatics and automation solutions for use in laboratories. The Nutritional Products segment provides pediatric and adult nutritional products. The Medical Devices segment offers rhythm management, electrophysiology, heart failure, vascular, and structural heart devices for the treatment of cardiovascular diseases; and diabetes care products, as well as neuromodulation devices for the management of chronic pain and movement disorders. The company was founded in 1888 and is based in North Chicago, Illinois.

MRSN

Mersana Therapeutics Inc.

Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, focuses on the development of antibody drug conjugates (ADC) for cancer patients with unmet need. The company develops XMT-1536, a Dolaflexin ADC targeting NaPi2b that is in Phase I clinical trial for the treatment of patients with ovarian cancer and non-small cell lung cancer (NSCLC) adenocarcinoma; and XMT-1592, a Dolasynthen ADC targeting NaPi2b-expressing tumors, which is in phase I clinical trial for the treatment of ovarian cancer and NSCLC adenocarcinoma. It also develops XMT-1660, a B7-H4-targeted Dolasynthen ADC candidate; and XMT-2056, an immunosynthen development candidate. The company has a strategic research and development partnerships with Merck KGaA and Asana BioSciences, LLC for the development of ADC product candidates utilizing Fleximer. The company was formerly known as Nanopharma Corp. and changed its name to Mersana Therapeutics, Inc. in November 2005. Mersana Therapeutics, Inc. was incorporated in 2001 and is headquartered in Cambridge, Massachusetts.

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