8.11
price up icon11.25%   0.82
after-market After Hours: 8.11
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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 August 21, 2025, is $8.11.
  • 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 3,032% to $8.11 now.
  • The 52-week high stock price for MRSN is $70.75, representing a 772.38% increase from the current share price, occurred on November 13, 2024.
  • The 52-week low stock price for MRSN is $5.21, indicating a -35.76% 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
Aug 21, 2025 $8.13 $7.10 $1.03 307,819.0 +11.25%
Aug 20, 2025 $7.39 $6.96 $0.4319 36,817.0 +0.69%
Aug 19, 2025 $7.42 $7.03 $0.39 73,841.0 -1.90%
Aug 18, 2025 $7.68 $7.07 $0.61 99,146.0 +3.07%
Aug 15, 2025 $7.44 $7.00 $0.44 79,632.0 -3.50%
Aug 14, 2025 $7.71 $6.82 $0.90 226,193.0 +8.96%
Aug 13, 2025 $6.82 $5.21 $1.61 253,519.0 +12.19%
Aug 12, 2025 $6.31 $5.97 $0.3398 52,745.0 +1.68%
Aug 11, 2025 $6.29 $5.85 $0.44 97,200.0 -5.24%
Aug 08, 2025 $6.60 $6.22 $0.38 99,047.0 -4.69%
Aug 07, 2025 $6.81 $6.40 $0.4099 88,676.0 -1.34%
Aug 06, 2025 $7.00 $6.64 $0.36 54,469.0 -4.83%
Aug 05, 2025 $7.05 $6.74 $0.31 80,158.0 +2.62%
Aug 04, 2025 $6.96 $6.55 $0.41 55,271.0 +3.94%
Aug 01, 2025 $6.80 $6.37 $0.4305 110,561.0 -3.65%
Jul 31, 2025 $7.08 $6.57 $0.51 107,486.0 +1.48%
Jul 30, 2025 $7.04 $6.58 $0.46 142,060.0 -2.88%
Jul 29, 2025 $7.00 $6.55 $0.45 189,990.0 +1.76%
Jul 28, 2025 $7.60 $6.75 $0.85 223,789.0 -11.30%
Jul 25, 2025 $8.00 $7.46 $0.535 219,091.2 -4.38%
Jul 24, 2025 $8.64 $7.75 $0.895 367,788.6 -20.59%
Jul 23, 2025 $10.25 $9.82 $0.4325 51,302.2 +11.52%
Jul 22, 2025 $9.20 $8.62 $0.57 39,128.2 +1.22%

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
Aug, 2025 $8.13 $5.21 $2.92 2,022,913.0 +18.39%
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%
$36.31
price down icon 1.55%
$86.53
price up icon 0.38%
$26.01
price up icon 0.54%
$110.77
price down icon 0.48%
$132.60
price up icon 2.43%
biotechnology ONC
$313.97
price up icon 1.50%
Cap:     |  Volume (24h):