| MRSN Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the MRSN market cap history going back to 6/28/2017:
Also see: MRSN Shares Outstanding History and MRSN YTD Return |
MRSN Market Cap History — Mersana Therapeutics Capitalization Over Time
As of 11/7/2025 Mersana Therapeutics has a market cap of 42.04 million. Investors often follow the MRSN market cap history to compare the size of the company over time.
This page shows MRSN market capitalization trends over time, with 36 market cap datapoints presented, dating back to 6/28/2017.
| MRSN Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MRSN Historical Market Cap: -21.45% CAGR 
Mouse over chart for data details
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| MRSN Stock Price Chart |
| About Mersana Therapeutics Inc |
| Mersana Therapeutics, Inc. is a clinical-stage biopharmaceutical company, which is focused on the development of antibody-drug conjugates (ADCs), which offer a clinically meaningful benefit for cancer patients with significant unmet needs. It has developed two proprietary and differentiated ADC platforms: Dolasynthen and Immunosynthen. Dolasynthen is its cytotoxic ADC platform that is designed to generate site-specific, homogeneous ADCs. We show 36 historical shares outstanding datapoints in our MRSN shares outstanding history coverage, used to compute MRSN market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing MRSN market cap history over the course of time is important for investors interested in comparing MRSN's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of MRSN versus a peer is one thing; comparing MRSN market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like MRSN can fluctuate over the course of history. With this page we aim to empower investors researching MRSN by allowing them to research the MRSN market cap history. |
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| Video: The Importance of Market Cap | |
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Video: The Importance of Market Cap
| MRSN Share Performance |
| Market Cap Peers |
| Mersana Therapeutics (MRSN) is categorized under the Healthcare sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
MRTX Market Cap History MRVI Market Cap History MSON Market Cap History MTCR Market Cap History MTEM Market Cap History MTVA Market Cap History MXCT Market Cap History MYGN Market Cap History MYL Market Cap History MYMD Market Cap History More Healthcare companies » |
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