0.00
price down icon100.00%   -29.08
after-market After Hours: 29.30 29.30 +
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Mersana Therapeutics Inc stock is traded at $0.00, with a volume of 0. It is down -100.00% in the last 24 hours and down -100.00% over the past month. Mersana Therapeutics Inc is a clinical-stage biopharmaceutical company focused on developing antibody-drug conjugates (ADCs) that offer a clinically meaningful benefit for cancer patients with unmet needs. The Company's next-generation ADC platforms include Dolasynthen, which delivers a proprietary auristatin payload, and Immunosynthen, which delivers a proprietary stimulator of interferon genes (STING) agonist payload. Its pipeline includes Emi-Le (XMT-1660), XMT-2056, XMT-2068, and XMT-2175.
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Previous Close:
$29.08
Open:
$0
24h Volume:
0
Relative Volume:
0.00
Market Cap:
$145.36M
Revenue:
$34.77M
Net Income/Loss:
$-74.04M
P/E Ratio:
0.00
EPS:
-8.0157
Net Cash Flow:
$-79.76M
1W Performance:
-100.00%
1M Performance:
-100.00%
6M Performance:
-100.00%
1Y Performance:
-100.00%
1-Day Range:
Value
$0.00
$0.00
1-Week Range:
Value
$0.00
$30.39
52-Week Range:
Value
$0.00
$36.25

Mersana Therapeutics Inc Stock (MRSN) Company Profile

Name
Name
Mersana Therapeutics Inc
Name
Phone
617-498-0020
Name
Address
840 MEMORIAL DRIVE, CAMBRIDGE
Name
Employee
102
Name
Twitter
@MersanaADC
Name
Next Earnings Date
2025-03-03
Name
Latest SEC Filings
Name
MRSN's Discussions on Twitter

Compare MRSN with other stocks

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MRSN
Mersana Therapeutics Inc
0.00 145.36M 34.77M -74.04M -79.76M -8.0157
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Vertex Pharmaceuticals Inc
468.38 113.87B 11.74B 3.68B 3.34B 14.19
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REGN
Regeneron Pharmaceuticals Inc
776.54 80.22B 14.25B 4.58B 3.88B 41.77
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ALNY
Alnylam Pharmaceuticals Inc
406.40 52.56B 3.21B 43.57M 221.36M 0.2405
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ARGX
Argen X Se Adr
803.74 49.31B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
INSM
Insmed Inc
175.07 37.37B 447.02M -1.18B -906.14M -6.1812

Mersana Therapeutics Inc Stock (MRSN) Upgrades & Downgrades

Date Action Analyst Rating Change
Feb-06-25 Initiated William Blair Outperform
Nov-15-24 Resumed Citigroup Buy
Mar-19-24 Upgrade JP Morgan Underweight → Neutral
Feb-29-24 Upgrade BTIG Research Neutral → Buy
Feb-29-24 Upgrade Guggenheim Neutral → Buy
Feb-29-24 Upgrade Wedbush Neutral → Outperform
Dec-04-23 Upgrade Citigroup Neutral → Buy
Jul-28-23 Downgrade Robert W. Baird Outperform → Neutral
Jul-27-23 Downgrade BTIG Research Buy → Neutral
Jul-27-23 Downgrade Citigroup Buy → Neutral
Jul-27-23 Downgrade Guggenheim Buy → Neutral
Jul-27-23 Downgrade JP Morgan Neutral → Underweight
Jul-27-23 Downgrade Truist Buy → Hold
Jul-27-23 Downgrade Wedbush Outperform → Neutral
Jun-16-23 Downgrade JP Morgan Overweight → Neutral
Jun-15-23 Initiated Guggenheim Buy
Mar-16-23 Upgrade JP Morgan Neutral → Overweight
Jan-20-23 Initiated Citigroup Buy
Nov-21-22 Initiated Truist Buy
Oct-15-21 Resumed BTIG Research Buy
Aug-30-21 Initiated H.C. Wainwright Buy
Mar-31-21 Initiated Credit Suisse Neutral
Dec-03-20 Initiated Stifel Buy
Sep-29-20 Resumed JP Morgan Neutral
Apr-29-20 Initiated BTIG Research Buy
Jan-21-20 Reiterated H.C. Wainwright Buy
Mar-11-19 Downgrade JP Morgan Neutral → Underweight
Nov-14-18 Upgrade Leerink Partners Mkt Perform → Outperform
May-08-18 Initiated Robert W. Baird Outperform
Mar-19-18 Downgrade JP Morgan Overweight → Neutral
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Mersana Therapeutics Inc Stock (MRSN) Latest News

pulisher
Jan 06, 2026

Day One Biopharmaceuticals completes acquisition of Mersana Therapeutics - Investing.com

Jan 06, 2026
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Jan 06, 2026

Mersana Therapeutics Completes Merger and Delists from Nasdaq - TipRanks

Jan 06, 2026
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Jan 06, 2026

Day One Biopharmaceuticals Completes Acquisition of Mersana Therapeutics - TipRanks

Jan 06, 2026
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Jan 06, 2026

Mersana Therapeutics Announced Transfer or Voluntary Withdrawal of Listing - TradingView — Track All Markets

Jan 06, 2026
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Jan 06, 2026

Day One Biopharmaceuticals Completes Acquisition of Mersana Therapeutics to Enhance Oncology Pipeline - Quiver Quantitative

Jan 06, 2026
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Jan 06, 2026

Day One Completes Acquisition of Mersana Therapeutics - GlobeNewswire

Jan 06, 2026
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Jan 05, 2026

Mersana Therapeutics, Inc.(NasdaqGS: MRSN) dropped from S&P TMI Index - marketscreener.com

Jan 05, 2026
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Jan 04, 2026

Panic Selling: Is Mersana Therapeutics Inc stock positioned for long term growthWeekly Risk Report & AI Driven Stock Reports - moha.gov.vn

Jan 04, 2026
pulisher
Dec 27, 2025

Mersana Therapeutics, Inc. (NASDAQ:MRSN) Receives Consensus Rating of "Reduce" from Brokerages - MarketBeat

Dec 27, 2025
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Dec 23, 2025

BRODSKY & SMITH SHAREHOLDER UPDATE: Notifying Investors of the Following Investigations: Alexander & Baldwin, Inc. (NYSEALEX), United Security Bancshares (NasdaqUBFO), Udemy, Inc. (NasdaqUDMY), Mersana Therapeutics, Inc. (Nasdaq - GlobeNewswire Inc.

Dec 23, 2025
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Dec 23, 2025

How The Mersana Deal Is Rewriting The Story Behind Day One Biopharmaceuticals Valuation - Yahoo Finance

Dec 23, 2025
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Dec 22, 2025

MRSN (Mersana Therapeutics) EV-to-OCF : -1.23 (As of Dec. 22, 2025) - GuruFocus

Dec 22, 2025
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Dec 21, 2025

Fund Flows: How Mersana Therapeutics Inc. (0M4) stock compares with market leadersJuly 2025 Fed Impact & Weekly High Conviction Trade Ideas - Улправда

Dec 21, 2025
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Dec 20, 2025

Is Mersana Therapeutics Inc. stock trading at a premium valuationJuly 2025 Decliners & Intraday High Probability Setup Alerts - Улправда

Dec 20, 2025
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Dec 19, 2025

What insider trading reveals about Mersana Therapeutics Inc. stockWeekly Stock Report & Free Community Supported Trade Ideas - Улправда

Dec 19, 2025
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Dec 19, 2025

Mersana Therapeutics Earnings Notes - Trefis

Dec 19, 2025
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Dec 19, 2025

Will Mersana Therapeutics Inc. stock maintain momentum in 2025July 2025 EndofMonth & High Win Rate Trade Alerts - DonanımHaber

Dec 19, 2025
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Dec 19, 2025

Is Mersana Therapeutics Inc. stock a buy before product launchesLayoff News & Safe Entry Point Identification - DonanımHaber

Dec 19, 2025
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Dec 19, 2025

How Mersana Therapeutics Inc. stock performs in interest rate cyclesQuarterly Market Summary & Real-Time Buy Zone Alerts - Улправда

Dec 19, 2025
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Dec 18, 2025

Mersana Therapeutics, Inc.(NasdaqGS: MRSN) dropped from NASDAQ Biotechnology Index - marketscreener.com

Dec 18, 2025
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Dec 18, 2025

Is Mersana Therapeutics Inc. stock cheap compared to fundamentals2025 Market WrapUp & Verified High Yield Trade Plans - Улправда

Dec 18, 2025
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Dec 18, 2025

How Mersana Therapeutics Inc. (0M4) stock compares with market leaders2025 Earnings Impact & Real-Time Volume Analysis - Улправда

Dec 18, 2025
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Dec 17, 2025

Halper Sadeh LLC Encourages MRSN, CDTX, RYI Shareholders to Contact the Firm to Discuss Their Rights - Sahm

Dec 17, 2025
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Dec 16, 2025

Shareholder Alert: The Ademi Firm continues to investigate wheth - GuruFocus

Dec 16, 2025
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Dec 16, 2025

Shareholder Alert: The Ademi Firm continues to investigate whether Mersana Therapeutics Inc. is obtaining a Fair Price for its Public Shareholders - PR Newswire

Dec 16, 2025
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Dec 16, 2025

Luminus Management LLC Sells 989,314 Shares of Mersana Therapeutics, Inc. $MRSN - MarketBeat

Dec 16, 2025
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Dec 15, 2025

Why Analysts See Mersana’s Story Shifting To Deal And CVR Outcomes After $1B Buyout - Yahoo Finance

Dec 15, 2025
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Dec 14, 2025

Halper Sadeh LLC Encourages FFWM, MRSN, FSUN Shareholders to Contact the Firm to Discuss Their Rights - GlobeNewswire Inc.

Dec 14, 2025
pulisher
Dec 13, 2025

683 Capital Management LLC Boosts Stock Position in Mersana Therapeutics, Inc. $MRSN - MarketBeat

Dec 13, 2025
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Dec 12, 2025

Mersana Therapeutics Investor Alert By The Former Attorney General Of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Mersana Therapeutics, Inc.MRSN - PR Newswire

Dec 12, 2025
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Dec 10, 2025

BRODSKY & SMITH SHAREHOLDER UPDATE: Notifying Investors of - GlobeNewswire

Dec 10, 2025
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Dec 09, 2025

Why The Narrative Around Day One Biopharmaceuticals Is Shifting After The Mersana Acquisition - Yahoo Finance

Dec 09, 2025
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Dec 09, 2025

$HAREHOLDER ALERT: The M&A Class Action Firm Continues to Investigate the Merger-SMLR, MRSN, CDTX, and RYI - The Malaysian Reserve

Dec 09, 2025
pulisher
Dec 08, 2025

Day One Biopharmaceuticals Expands with Mersana Acquisition - StocksToTrade

Dec 08, 2025
pulisher
Dec 08, 2025

Is Mersana Therapeutics Inc 0M4 a good long term investmentLarge Cap Stability Picks & High Return Trading Ideas - earlytimes.in

Dec 08, 2025
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Dec 05, 2025

Mersana Therapeutics (MRSN) Stock Analysis Report | Ratings, Financials & Performance - Benzinga

Dec 05, 2025
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Dec 05, 2025

MRSN Stock Soars Over 200% Pre-Market After Day One Acquisition Deal - MSN

Dec 05, 2025
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Dec 05, 2025

Day One to buy Mersana Therapeutics for $25/share upfront - MSN

Dec 05, 2025
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Dec 05, 2025

Is Mersana Therapeutics Inc. (0M4) stock prepared for digital transitionRate Hike & Daily Growth Stock Investment Tips - Newser

Dec 05, 2025
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Dec 04, 2025

Can Mersana Therapeutics Inc. (0M4) stock stage a strong rebound this quarter - Newser

Dec 04, 2025
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Dec 04, 2025

Can Mersana Therapeutics Inc. (0M4) stock sustain breakout momentumJuly 2025 PreEarnings & High Accuracy Investment Entry Signals - Newser

Dec 04, 2025
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Dec 04, 2025

Why Mersana Therapeutics Inc. (0M4) stock could be next leaderJuly 2025 Opening Moves & Community Consensus Stock Picks - Newser

Dec 04, 2025
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Dec 03, 2025

How Mersana Therapeutics Inc. (0M4) stock compares with top peersQuarterly Earnings Summary & Fast Gain Stock Trading Tips - Newser

Dec 03, 2025
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Dec 02, 2025

Will Mersana Therapeutics Inc. (0M4) stock attract long term capital inflowsJuly 2025 Review & Consistent Income Trade Ideas - Newser

Dec 02, 2025
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Dec 02, 2025

Mersana Therapeutics, Inc. (NASDAQ:MRSN) Given Consensus Recommendation of "Reduce" by Brokerages - MarketBeat

Dec 02, 2025
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Dec 02, 2025

Will Mersana Therapeutics Inc. (0M4) stock deliver compounding returnsQuarterly Trade Report & Breakout Confirmation Alerts - Newser

Dec 02, 2025
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Nov 30, 2025

Options Flow: How Mersana Therapeutics Inc. (0M4) stock compares with market leadersJuly 2025 Setups & Daily Technical Forecast Reports - moha.gov.vn

Nov 30, 2025
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Nov 30, 2025

How Mersana’s Acquisition Is Changing the Story and Analyst Outlook for Investors - Yahoo Finance

Nov 30, 2025
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Nov 28, 2025

Halper Sadeh LLC Encourages SEMR, EXAS, MRSN Shareholders to Contact the Firm to Discuss Their Rights - Sahm

Nov 28, 2025
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Nov 28, 2025

HAPPY THANKSGIVING AND INVESTOR ALERT: The M&A Class Action Firm Continues to Investigate the MergerEXAS, SEE, CDTX, and MRSN - The Malaysian Reserve

Nov 28, 2025
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Nov 27, 2025

Is Mersana Therapeutics Inc. (0M4) stock a buy before new product rolloutJuly 2025 Rallies & Risk Controlled Daily Plans - moha.gov.vn

Nov 27, 2025

Mersana Therapeutics Inc Stock (MRSN) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$40.65
price up icon 2.52%
$33.10
price up icon 4.09%
$106.66
price up icon 4.78%
$98.09
price up icon 1.28%
biotechnology ONC
$320.35
price up icon 0.02%
$175.07
price down icon 0.07%
Cap:     |  Volume (24h):