Your browser of choice has not been tested for use with Barchart.com. If you have issues, please download one of the browsers listed here.
UNLIMITED Watchlists, Portfolios, Screeners, and other Barchart tools with Barchart Premier. FREE 30 Day Trial
Stocks | Futures | Watchlist | News | More
or
Faster, Cleaner, Better.

Mersana Therapeutics Inc (MRSN)

Mersana Therapeutics Inc (MRSN)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] by (Cboe BZX)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] [[ item.lastPriceExt ]] [[ item.priceChangeExt ]] ([[ item.percentChangeExt ]]) [[ item.tradeTimeExt ]]
Quote Overview for [[ item.sessionDateDisplayLong ]]
[[ rowChartData.labelLow ]]
[[ rowChartData.lowPriceFormatted ]]
[[ rowChartData.lowPrice ]]
[[ rowChartData.labelHigh ]]
[[ rowChartData.highPriceFormatted ]]
[[ rowChartData.highPrice ]]
since [[ rowChartData.lowDate ]]
since [[ rowChartData.highDate ]]
[[ value ]] [[ value ]]

Fundamentals

See More
  • Market Capitalization, $K 145,165
  • Shares Outstanding, K 4,999
  • Annual Sales, $ 40,500 K
  • Annual Income, $ -69,190 K
  • EBIT $ -72 M
  • EBITDA $ -74 M
  • 60-Month Beta 0.44
  • Price/Sales 4.36
  • Price/Cash Flow N/A
  • Price/Book N/A
  • Price/Earnings ttm 0.00
  • Earnings Per Share ttm -13.09
  • Most Recent Earnings $-1.51 on 11/14/25
  • Next Earnings Date 03/02/26
  • Annual Dividend & Yield (Fwd) 0.00 (0.00%)
  • Most Recent Dividend N/A on N/A
  • Sector Medical
  • INDUSTRY GROUPING Medical - Biomedical

Price Performance

See More
Period Period Low Period High Performance
1-Month
27.80 +4.60%
on 12/08/25
30.39 -4.31%
on 01/05/26
+1.31 (+4.70%)
since 12/05/25
3-Month
7.54 +285.68%
on 11/07/25
30.39 -4.31%
on 01/05/26
+20.80 (+251.21%)
since 10/03/25
52-Week
5.21 +458.16%
on 08/13/25
36.25 -19.78%
on 01/07/25
-5.67 (-16.32%)
since 01/03/25

Most Recent Stories

More News
Day One Completes Acquisition of Mersana Therapeutics

BRISBANE, Calif., Jan. 06, 2026 (GLOBE NEWSWIRE) -- Day One Biopharmaceuticals, Inc. (Nasdaq: DAWN) (“Day One”), a biopharmaceutical company dedicated to developing and commercializing targeted therapies...

MRSN : 29.08 (+0.14%)
DAWN : 10.16 (-3.24%)
Halper Sadeh LLC Encourages UDMY, ALEX, UBFO, MRSN Shareholders to Contact the Firm to Discuss Their Rights

Shareholders should contact the firm as there may be limited time to enforce your rights.  

ALEX : 20.85 (+0.10%)
UBFO : 10.37 (-0.96%)
MRSN : 29.08 (+0.14%)
UDMY : 5.01 (-2.53%)
Halper Sadeh LLC Encourages MRSN, CDTX, RYI Shareholders to Contact the Firm to Discuss Their Rights

Shareholders should contact the firm immediately as there may be limited time to enforce your rights.  

RYI : 28.75 (-3.56%)
MRSN : 29.08 (+0.14%)
CDTX : 221.38 (+0.03%)
Shareholder Alert: The Ademi Firm continues to investigate whether Mersana Therapeutics Inc. is obtaining a Fair Price for its Public Shareholders

MILWAUKEE , Dec. 16, 2025 /PRNewswire/ -- The Ademi Firm continues to investigate Mersana (NASDAQ: MRSN) for possible breaches of fiduciary duty and other violations of law in its recently announced...

MRSN : 29.08 (+0.14%)
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

NEW YORK and NEW ORLEANS , Dec. 12, 2025 /PRNewswire/ -- Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick & Foti , LLC ("KSF") are investigating...

MRSN : 29.08 (+0.14%)
$HAREHOLDER ALERT: The M&A Class Action Firm Continues to Investigate the Merger--SMLR, MRSN, CDTX, and RYI

NEW YORK , Dec. 8, 2025 /PRNewswire/ -- Class Action Attorney Juan Monteverde  with Monteverde & Associates PC  (the "M&A Class Action Firm"), has recovered millions of dollars...

RYI : 28.75 (-3.56%)
MRSN : 29.08 (+0.14%)
SMLR : 20.33 (-4.87%)
CDTX : 221.38 (+0.03%)
Halper Sadeh LLC Encourages SEMR, EXAS, MRSN Shareholders to Contact the Firm to Discuss Their Rights

Shareholders should contact the firm immediately as there may be limited time to enforce your rights.

SEMR : 11.91 (+0.25%)
MRSN : 29.08 (+0.14%)
EXAS : 102.43 (+0.09%)
HAPPY THANKSGIVING AND INVESTOR ALERT: The M&A Class Action Firm Continues to Investigate the Merger - EXAS, SEE, CDTX, and MRSN

NEW YORK , Nov. 27, 2025 / PRNewswire/ --

SEE : 41.76 (unch)
MRSN : 29.08 (+0.14%)
EXAS : 102.43 (+0.09%)
CDTX : 221.38 (+0.03%)
Halper Sadeh LLC Encourages RPTX, SEE, CDTX, MRSN Shareholders to Contact the Firm to Discuss Their Rights

Shareholders should contact the firm immediately as there may be limited time to enforce your rights.  

SEE : 41.76 (unch)
MRSN : 29.08 (+0.14%)
RPTX : 2.58 (+0.39%)
CDTX : 221.38 (+0.03%)
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

Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick & Foti , LLC (“KSF”) are investigating the proposed sale of Mersana Therapeutics...

MRSN : 29.08 (+0.14%)

Barchart Technical Opinion

The Barchart Technical Opinion rating is a 100% Buy with a Strengthening short term outlook on maintaining the current direction.

Long term indicators fully support a continuation of the trend.

Relative Strength is above 70%. The market is in overbought territory. Watch for a potential trend reversal.

See More Share

Want to use this as
your default charts setting?
Save this setup as a Chart Templates
Switch the Market flag
for targeted data from your country of choice.
Open the menu and switch the
Market flag for targeted data from your country of choice.
Want Streaming Chart Updates?
Switch your Site Preferences
to use Interactive Charts
Need More Chart Options?
Right-click on the chart to open the Interactive Chart menu.
Use your up/down arrows to move through the symbols.
Free Barchart Webinar