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Compare · LLY vs MRSN

LLY vs MRSN

Side-by-side comparison of Eli Lilly and Company (LLY) and Mersana Therapeutics Inc. (MRSN): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both LLY and MRSN operate in Biotechnology: Pharmaceutical Preparations (Health Care), so they compete in similar markets.
  • LLY is the larger of the two at $1.07T, about 3429.8x MRSN ($310.7M).
  • Over the past year, LLY is up 48.6% and MRSN is up 199.9% - MRSN leads by 151.3 points.
  • LLY has hit the wire 17 times in the past 4 weeks while MRSN has been quiet.
  • LLY has more recent analyst coverage (25 ratings vs 22 for MRSN).
PerformanceLLY+24.36%MRSN+199.86%
2025-11-07+0.00%2026-06-08
MetricLLYMRSN
Company
Eli Lilly and Company
Mersana Therapeutics Inc.
Price
$1149.37+1.46%
$29.11+0.76%
Market cap
$1.07T
$310.7M
1M return
+17.84%
+4.83%
1Y return
+48.58%
+199.86%
Industry
Biotechnology: Pharmaceutical Preparations
Biotechnology: Pharmaceutical Preparations
Exchange
NYSE
NASDAQ
IPO
2017
News (4w)
17
0
Recent ratings
25
22
LLY

Eli Lilly and Company

Eli Lilly and Company discovers, develops, manufactures, and markets human pharmaceuticals worldwide. It offers Baqsimi for severe hypoglycemia; Basaglar, Humalog, Humalog Mix 75/25, Humalog U-100, Humalog U-200, Humalog Mix 50/50, insulin lispro, insulin lispro protamine, insulin lispro mix 75/25, Humulin, Humulin 70/30, Humulin N, Humulin R, Humulin U-500, and Lyumjev for diabetes; and Jardiance, Trajenta, and Trulicity for type 2 diabetes. The company also provides Alimta for non-small cell lung cancer (NSCLC) and malignant pleural mesothelioma; Cyramza for metastatic gastric cancer, gastro-esophageal junction adenocarcinoma, metastatic NSCLC, metastatic colorectal cancer, and hepatocellular carcinoma; Erbitux for colorectal cancers, and various head and neck cancers; Retevmo for metastatic NSCLC, medullary thyroid cancer, and thyroid cancer; Tyvyt for relapsed or refractory classic Hodgkin's lymph and non-squamous NSCLC; and Verzenio for HR+ and HER2- metastatic breast cancer. In addition, it offers Olumiant for rheumatoid arthritis; and Taltz for plaque psoriasis, psoriatic arthritis, ankylosing spondylitis, and non-radiographic axial spondyloarthritis. Further, the company Cymbalta for depressive disorder, diabetic peripheral neuropathic pain, generalized anxiety disorder, fibromyalgia, and chronic musculoskeletal pain; Emgality for migraine prevention and episodic cluster headache; Reyvow for migraine; and Zyprexa for schizophrenia, bipolar I disorder, and bipolar maintenance. Additionally, it Bamlanivimab and etesevimab for COVID-19; Cialis for erectile dysfunction and benign prostatic hyperplasia; and Forteo for osteoporosis. Eli Lilly and Company has collaborations with Incyte Corporation; Pfizer Inc.; AC Immune SA; Centrexion Therapeutics Corporation; ImmuNext, Inc.; Avidity Biosciences, Inc.; AbCellera Biologics Inc.; Junshi Biosciences; and MiNA Therapeutics Limited. The company was founded in 1876 and is headquartered in Indianapolis, Indiana.

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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