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9.44
1.46%
-0.14
After Hours:
9.44
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 November 03, 2025, is $9.44.
- 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 3,546% to $9.44 now.
- The 52-week high stock price for MRSN is $70.75, representing a 649.47% increase from the current share price, occurred on November 13, 2024.
- The 52-week low stock price for MRSN is $5.21, indicating a -44.81% 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:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Nov 03, 2025 | $9.59 | $8.96 | $0.63 | 42,031.0 | -1.46% |
| Oct 31, 2025 | $9.87 | $9.24 | $0.63 | 35,055.0 | +3.01% |
| Oct 30, 2025 | $9.61 | $9.24 | $0.37 | 26,038.0 | -2.72% |
| Oct 29, 2025 | $10.03 | $9.54 | $0.49 | 29,154.0 | -6.55% |
| Oct 28, 2025 | $10.60 | $10.10 | $0.50 | 35,186.0 | -3.40% |
| Oct 27, 2025 | $10.64 | $9.87 | $0.766 | 54,584.0 | +8.28% |
| Oct 24, 2025 | $9.94 | $9.50 | $0.44 | 30,479.0 | -0.41% |
| Oct 23, 2025 | $9.87 | $8.99 | $0.8759 | 26,664.0 | +6.86% |
| Oct 22, 2025 | $9.99 | $8.76 | $1.23 | 88,757.0 | -8.56% |
| Oct 21, 2025 | $10.51 | $10.02 | $0.4911 | 15,575.0 | -3.55% |
| Oct 20, 2025 | $10.42 | $9.92 | $0.50 | 38,786.0 | +5.47% |
| Oct 17, 2025 | $10.77 | $9.71 | $1.06 | 69,689.0 | -6.22% |
| Oct 16, 2025 | $11.09 | $10.38 | $0.705 | 99,383.0 | +0.05% |
| Oct 15, 2025 | $11.15 | $9.59 | $1.56 | 115,421.0 | +2.23% |
| Oct 14, 2025 | $10.30 | $9.55 | $0.75 | 47,509.0 | +3.94% |
| Oct 13, 2025 | $10.32 | $9.24 | $1.08 | 183,816.0 | +7.25% |
| Oct 10, 2025 | $9.28 | $8.74 | $0.535 | 70,041.0 | +1.87% |
| Oct 09, 2025 | $9.50 | $8.63 | $0.8744 | 111,338.0 | -3.92% |
| Oct 08, 2025 | $9.50 | $7.83 | $1.67 | 182,586.0 | +18.59% |
| Oct 07, 2025 | $8.23 | $7.85 | $0.3798 | 38,827.0 | -2.93% |
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 |
|---|---|---|---|---|---|
| Nov, 2025 | $9.59 | $8.96 | $0.63 | 84,062.0 | -1.46% |
| 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% |
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