Mersana Therapeutics Inc. (MRSN) is a Biotechnology: Pharmaceutical Preparations company listed on NASDAQ. There were no new wire items for MRSN in the last 30 days. The most recent was published Jan 16, 2026.

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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MRSN FAQ

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  • What does Mersana Therapeutics Inc. do?
    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...
  • What is the latest news on MRSN?
    Quantisnow has not tracked any new filings, ratings or press releases for MRSN in the last 30 days. The most recent wire item was published on January 16, 2026.
  • Where does MRSN stock trade?
    Mersana Therapeutics Inc. (MRSN) is listed on NASDAQ.
  • What sector and industry is MRSN in?
    Mersana Therapeutics Inc. operates in the Health Care sector, Biotechnology: Pharmaceutical Preparations industry.
  • When did Mersana Therapeutics Inc. go public?
    Mersana Therapeutics Inc. (MRSN) completed its IPO in 2017.
  • What are analysts saying about MRSN?
    Across the last 8 analyst actions on Mersana Therapeutics Inc., there were 5 upgrades and 1 downgrade. The most recent action was from William Blair: Outperform on 2025-02-06.
  • What companies are similar to MRSN?
    Notable peers in the same industry include LLY (Eli Lilly and Company), JNJ (Johnson & Johnson), ABBV (AbbVie Inc.), MRK (Merck & Company Inc.), NVS (Novartis AG). Compare MRSN side-by-side with any of them on Quantisnow.
  • How can I track MRSN on Quantisnow?
    Quantisnow aggregates Mersana Therapeutics Inc.'s SEC filings, analyst ratings, insider transactions, FDA approvals, and press releases the moment they hit the wire (Wall Street's wire, on your screen.). Follow MRSN to receive live email and push alerts on every new disclosure.