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NASDAQ:MRSN

Mersana Therapeutics (MRSN) Stock Price, News & Analysis

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About Mersana Therapeutics Stock (NASDAQ:MRSN)

Key Stats

Today's Range
$28.78
$30.39
50-Day Range
$27.47
$29.10
52-Week Range
$5.21
$30.39
Volume
712,400 shs
Average Volume
112,909 shs
Market Capitalization
$145.37 million
P/E Ratio
N/A
Dividend Yield
N/A
Price Target
$25.92
Consensus Rating
Reduce

Company Overview

Mersana Therapeutics, Inc. is a clinical-stage biopharmaceutical company headquartered in Cambridge, Massachusetts, focused on the development of innovative antibody-drug conjugates (ADCs) for the treatment of cancer. Since its founding in 2003, Mersana has leveraged its proprietary Fleximer® platform to engineer next-generation ADCs that aim to improve the therapeutic index by enhancing drug delivery to tumor cells while minimizing systemic toxicity. The company’s research efforts are centered on creating highly potent payloads linked to antibodies that selectively target tumor-associated antigens.

The Fleximer platform enables site-specific conjugation of multiple payload molecules, offering adjustable drug-to-antibody ratios and controlled release characteristics. Mersana’s pipeline includes several clinical and preclinical candidates. Among the lead programs is XMT-1536 (UpRi), which targets the sodium-dependent phosphate transporter NaPi2b and is being evaluated in patients with platinum-resistant ovarian cancer. Another notable program, XMT-1592, targets mesothelin-expressing solid tumors such as non-small cell lung cancer and mesothelioma. These programs underscore the company’s commitment to addressing high-unmet-need oncology indications through precision medicine approaches.

In addition to its internal development efforts, Mersana has entered into strategic collaborations with several global biopharmaceutical partners to advance its ADC candidates. These alliances support clinical development, manufacturing scale-up and potential co-commercialization, extending the company’s reach into key markets in North America, Europe and Asia. Through these partnerships, Mersana seeks to leverage complementary expertise and resources to accelerate the translation of its novel therapies from the laboratory to the clinic.

Leadership at Mersana is headed by President and Chief Executive Officer Robert Mulroy, who brings extensive experience in oncology drug development and life-science management. Under his guidance, the company has grown its research team and infrastructure to support a robust pipeline of targeted therapeutics. With a scientific advisory board composed of oncology and antibody engineering experts, Mersana continues to explore new indications and refine its ADC technologies in pursuit of improved outcomes for patients with cancer.

AI Generated. May Contain Errors.

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MRSN Stock News Headlines

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MRSN Stock Analysis - Frequently Asked Questions

Mersana Therapeutics, Inc. (NASDAQ:MRSN) released its quarterly earnings results on Friday, November, 14th. The company reported ($1.51) earnings per share (EPS) for the quarter, missing analysts' consensus estimates of ($1.44) by $0.07. The company had revenue of $11.01 million for the quarter, compared to the consensus estimate of $14.20 million.

Mersana Therapeutics shares reverse split on Friday, July 25th 2025.The 1-25 reverse split was announced on Thursday, July 24th 2025. The number of shares owned by shareholders was adjusted after the closing bell on Thursday, July 24th 2025. An investor that had 100 shares of stock prior to the reverse split would have 4 shares after the split.

Mersana Therapeutics (MRSN) raised $75 million in an initial public offering on Wednesday, June 28th 2017. The company issued 5,000,000 shares at $14.00-$16.00 per share. J.P. Morgan, Cowen and Leerink Partners acted as the underwriters for the IPO and Wedbush PacGrow was co-manager.

Based on aggregate information from My MarketBeat watchlists, some other companies that Mersana Therapeutics investors own include NVIDIA (NVDA), Meta Platforms (META), Broadcom (AVGO), Saia (SAIA), Rambus (RMBS), Advanced Micro Devices (AMD) and Arista Networks (ANET).

Company Calendar

Last Earnings
11/14/2025
Today
7/31/2026
Fiscal Year End
12/31/2026

Industry, Sector and Symbol

Stock Exchange
NASDAQ
Sector
Medical
Industry
MED - BIOMED/GENE
Sub-Industry
Pharmaceutical Products
Current Symbol
NASDAQ:MRSN
CIK
1442836
Fax
N/A
Employees
150
Year Founded
2005

Price Target and Rating

High Price Target
$30.75
Low Price Target
$17.00
Potential Upside/Downside
-10.9%
Consensus Rating
Reduce
Rating Score (0-4)
1.88
Research Coverage
8 Analysts

Profitability

EPS (Trailing Twelve Months)
($13.88)
Trailing P/E Ratio
N/A
Forward P/E Ratio
N/A
P/E Growth
N/A
Net Income
-$69.19 million
Net Margins
-211.21%
Pretax Margin
-211.21%
Return on Equity
N/A
Return on Assets
-65.42%

Debt

Debt-to-Equity Ratio
N/A
Current Ratio
1.39
Quick Ratio
1.39

Sales & Book Value

Annual Sales
$33.18 million
Price / Sales
4.38
Cash Flow
N/A
Price / Cash Flow
N/A
Book Value
($1.92) per share
Price / Book
-15.15

Miscellaneous

Outstanding Shares
4,999,000
Free Float
4,349,000
Market Cap
$145.37 million
Optionable
Optionable
Beta
0.44

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This page (NASDAQ:MRSN) was last updated on 7/31/2026 by MarketBeat.com Staff.
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