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Mersana Therapeutics Inc Stock (MRSN) Price History

The historical daily chart and data for Mersana Therapeutics Inc stock (MRSN), show that the latest closing stock price as of December 05, 2025, is $27.79.
  • Mersana Therapeutics Inc all-time high stock price is $70.75, occurred on November 13, 2024.
  • The lowest Mersana Therapeutics Inc stock price recorded was $0.2589 on April 10, 2025. Since then, Mersana Therapeutics Inc's stock price has risen over 10,634% to $27.79 now.
  • The 52-week high stock price for MRSN is $70.73, representing a 154.52% increase from the current share price, occurred on December 09, 2024.
  • The 52-week low stock price for MRSN is $5.21, indicating a -81.25% decrease from the current share price, occurred on August 13, 2025.
  • The closing price of Mersana Therapeutics Inc (MRSN) stock in the beginning of 2024 was $6.43. The stock closed the year at $5.86, a loss of over -8.86% for the year.
The table below shows more information about MRSN historical price data:
Date High Low High - Low Volume % Change
Dec 05, 2025 $27.84 $27.36 $0.48 27,732.0 +1.50%
Dec 04, 2025 $28.36 $27.31 $1.05 57,599.0 -1.54%
Dec 03, 2025 $27.85 $27.45 $0.40 30,491.0 +1.20%
Dec 02, 2025 $27.69 $27.36 $0.3315 30,006.0 +0.33%
Dec 01, 2025 $27.70 $27.32 $0.3823 64,975.0 +0.00%
Nov 28, 2025 $27.58 $27.30 $0.28 34,101.0 -0.40%
Nov 26, 2025 $27.85 $27.25 $0.60 46,578.0 +0.49%
Nov 25, 2025 $27.61 $27.27 $0.34 50,234.0 +0.05%
Nov 24, 2025 $27.79 $27.15 $0.635 107,638.0 +0.33%
Nov 21, 2025 $27.68 $27.22 $0.4599 117,229.0 -0.76%
Nov 20, 2025 $28.00 $27.26 $0.74 120,989.0 -0.36%
Nov 19, 2025 $27.95 $27.42 $0.527 89,369.0 +0.25%
Nov 18, 2025 $27.99 $27.50 $0.49 78,295.0 -0.65%
Nov 17, 2025 $28.05 $27.54 $0.5066 147,888.0 -0.72%
Nov 14, 2025 $28.12 $27.11 $1.01 419,251.0 +1.79%
Nov 13, 2025 $28.07 $26.55 $1.52 3,144,238.0 +209.24%
Nov 12, 2025 $8.88 $8.45 $0.43 21,700.0 -0.45%
Nov 11, 2025 $8.91 $8.35 $0.5599 27,075.0 +3.48%
Nov 10, 2025 $8.71 $8.26 $0.45 38,632.0 +2.38%
Nov 07, 2025 $8.43 $7.54 $0.89 34,067.0 +4.60%
Nov 06, 2025 $8.87 $8.00 $0.8667 32,588.0 -4.96%
Nov 05, 2025 $8.65 $8.14 $0.509 30,600.0 +3.68%

Mersana Therapeutics Inc Stock (MRSN) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Mersana Therapeutics Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of MRSN shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Mersana Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Mersana Therapeutics Inc Stock (MRSN) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $28.36 $27.31 $1.05 210,803.0 +1.46%
Nov, 2025 $28.12 $7.54 $20.58 4,644,414.0 +186.33%
Oct, 2025 $11.15 $7.63 $3.52 1,469,027.0 +23.45%
Sep, 2025 $8.22 $6.63 $1.59 995,632.0 +6.01%
Aug, 2025 $8.19 $5.21 $2.98 2,055,356.0 +6.86%
Jul, 2025 $10.25 $6.55 $3.70 2,751,063.8 -7.43%
Jun, 2025 $11.49 $7.00 $4.49 2,263,886.3 -13.88%
May, 2025 $10.75 $7.58 $3.17 2,481,478.6 -20.61%
Apr, 2025 $11.06 $6.47 $4.59 2,151,618.3 +25.77%
Mar, 2025 $13.87 $8.45 $5.42 2,518,881.2 -34.24%
Feb, 2025 $20.45 $11.93 $8.52 3,612,902.5 -14.04%
Jan, 2025 $37.88 $12.28 $25.59 7,612,479.6 -57.42%

Mersana Therapeutics Inc Stock (MRSN) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $70.73 $33.75 $36.98 1,088,188.3 -37.72%
Nov, 2024 $70.75 $45.00 $25.75 1,199,977.0 +25.97%
Oct, 2024 $54.50 $44.75 $9.75 649,249.2 -4.23%
Sep, 2024 $56.88 $32.00 $24.88 790,440.7 +19.62%
Aug, 2024 $50.25 $30.50 $19.75 1,021,419.3 -21.00%
Jul, 2024 $57.25 $44.00 $13.25 989,328.2 -0.50%
Jun, 2024 $62.88 $49.00 $13.88 1,355,861.2 -13.73%
May, 2024 $90.75 $56.75 $34.00 1,399,649.4 -26.50%
Apr, 2024 $116.0 $68.62 $47.37 1,413,947.0 -29.24%
Mar, 2024 $157.0 $105.5 $51.50 2,065,128.5 -17.65%
Feb, 2024 $153.2 $78.75 $74.50 1,965,144.7 +72.15%
Jan, 2024 $89.75 $52.75 $37.00 1,617,476.2 +36.21%

Mersana Therapeutics Inc Stock (MRSN) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $59.75 $36.75 $23.00 1,344,932.4 +40.61%
Nov, 2023 $53.00 $28.50 $24.50 1,470,612.5 +38.66%
Oct, 2023 $43.00 $26.62 $16.38 2,137,364.2 -6.30%
Sep, 2023 $37.50 $28.00 $9.50 1,974,388.9 +14.41%
Aug, 2023 $34.50 $25.50 $9.00 2,336,200.4 -9.39%
Jul, 2023 $98.25 $20.04 $78.22 12,103,497.9 -62.77%
Jun, 2023 $240.5 $74.38 $166.1 4,496,620.2 -56.25%
May, 2023 $209.8 $106.7 $103.0 2,376,820.7 +71.69%
Apr, 2023 $112.1 $91.88 $20.25 882,537.0 +6.57%
Mar, 2023 $149.9 $98.00 $51.88 1,438,640.2 -32.18%
Feb, 2023 $180.5 $128.8 $51.75 894,990.2 -7.90%
Jan, 2023 $168.8 $127.8 $41.00 873,050.6 +12.29%
$39.48
price up icon 0.84%
$31.73
price down icon 0.90%
$103.18
price up icon 2.66%
$95.94
price down icon 0.01%
biotechnology ONC
$316.73
price down icon 4.54%
$205.20
price up icon 0.21%
Cap:     |  Volume (24h):