Mersana Therapeutics Completes Merger and Delists from Nasdaq
TipRanks (Tue, 6-Jan 9:49 AM ET)
Day One Completes Acquisition of Mersana Therapeutics
Globe Newswire (Tue, 6-Jan 9:02 AM ET)
PRNewswire (Tue, 23-Dec 6:55 PM ET)
Globe Newswire (Thu, 18-Dec 3:21 PM ET)
Halper Sadeh LLC Encourages MRSN, CDTX, RYI Shareholders to Contact the Firm to Discuss Their Rights
PRNewswire (Wed, 17-Dec 12:06 PM ET)
PRNewswire (Tue, 16-Dec 11:31 AM ET)
Globe Newswire (Sun, 14-Dec 1:10 PM ET)
PRNewswire (Fri, 12-Dec 4:42 PM ET)
Globe Newswire (Wed, 10-Dec 3:01 PM ET)
PRNewswire (Mon, 8-Dec 2:40 PM ET)
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.
Mersana Therapeutics trades on the NASDAQ stock market under the symbol MRSN.
As of January 7, 2026, MRSN stock price was flat at $29.08 with million shares trading.
MRSN has a beta of 1.33, meaning it tends to be more sensitive to market movements. MRSN has a correlation of 0.02 to the broad based SPY ETF.
MRSN has a market cap of $145.36 million. This is considered a Micro Cap stock.
Last quarter Mersana Therapeutics reported $11 million in Revenue and -$1.51 earnings per share. This fell short of revenue expectation by $-3 million and missed earnings estimates by -$.40.
In the last 3 years, MRSN traded as high as $240.50 and as low as $5.21.
The top ETF exchange traded funds that MRSN belongs to (by Net Assets): VTI, VXF, MSSM.
MRSN has underperformed the market in the last year with a return of -14.5%, while SPY returned +17.0%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in MRSN shares. However, MRSN has outperformed the market in the last 3 month and 2 week periods, returning +254.6% and +0.3%, while SPY returned +3.0% and +0.2%, respectively. This indicates MRSN has been having a stronger performance recently.
MRSN support price is $28.60 and resistance is $29.56 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that MRSN shares will trade within this expected range on the day.
