Mersana Therapeutics, Inc. (MRSN)
NASDAQ: MRSN · Real-Time Price · USD
29.08
-0.03 (-0.09%)
At close: Dec 26, 2025, 4:00 PM EST
29.55
+0.48 (1.63%)
After-hours: Dec 26, 2025, 7:58 PM EST
Mersana Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 26, 2025 | 29.10 | 29.15 | 28.91 | 29.08 | 29.08 | -0.09% | 82,367 |
| Dec 24, 2025 | 29.01 | 29.14 | 29.00 | 29.10 | 29.10 | 0.34% | 13,999 |
| Dec 23, 2025 | 28.88 | 29.07 | 28.85 | 29.00 | 29.00 | 0.28% | 60,618 |
| Dec 22, 2025 | 28.91 | 29.12 | 28.86 | 28.92 | 28.92 | -0.07% | 31,657 |
| Dec 19, 2025 | 29.29 | 29.39 | 28.84 | 28.94 | 28.94 | -0.55% | 85,361 |
| Dec 18, 2025 | 29.03 | 29.10 | 28.72 | 29.10 | 29.10 | 0.14% | 38,470 |
| Dec 17, 2025 | 28.56 | 29.20 | 28.55 | 29.06 | 29.06 | 0.05% | 116,259 |
| Dec 16, 2025 | 28.43 | 29.12 | 28.38 | 29.05 | 29.05 | 1.59% | 61,948 |
| Dec 15, 2025 | 28.28 | 28.80 | 28.28 | 28.59 | 28.59 | 0.85% | 68,161 |
| Dec 12, 2025 | 28.38 | 28.70 | 28.11 | 28.35 | 28.35 | 0.43% | 75,799 |
| Dec 11, 2025 | 28.11 | 28.41 | 28.10 | 28.23 | 28.23 | 0.43% | 33,480 |
| Dec 10, 2025 | 27.91 | 28.59 | 27.90 | 28.11 | 28.11 | -0.11% | 60,634 |
| Dec 9, 2025 | 27.85 | 28.63 | 27.85 | 28.14 | 28.14 | 0.79% | 45,723 |
| Dec 8, 2025 | 28.03 | 28.15 | 27.80 | 27.92 | 27.92 | 0.52% | 41,340 |
| Dec 5, 2025 | 27.65 | 27.97 | 27.36 | 27.78 | 27.78 | 1.11% | 48,270 |
| Dec 4, 2025 | 27.90 | 28.36 | 27.31 | 27.47 | 27.47 | -1.36% | 70,526 |
| Dec 3, 2025 | 27.57 | 27.85 | 27.45 | 27.85 | 27.85 | 1.20% | 30,741 |
| Dec 2, 2025 | 27.50 | 27.69 | 27.36 | 27.52 | 27.52 | 0.33% | 30,006 |
| Dec 1, 2025 | 27.38 | 27.70 | 27.32 | 27.43 | 27.43 | - | 65,041 |
| Nov 28, 2025 | 27.55 | 27.58 | 27.30 | 27.43 | 27.43 | -0.40% | 34,101 |
| Nov 26, 2025 | 27.25 | 27.85 | 27.25 | 27.54 | 27.54 | 0.49% | 46,578 |
| Nov 25, 2025 | 27.31 | 27.61 | 27.27 | 27.41 | 27.41 | 0.05% | 50,237 |
| Nov 24, 2025 | 27.30 | 27.79 | 27.15 | 27.39 | 27.39 | 0.33% | 107,679 |
| Nov 21, 2025 | 27.45 | 27.68 | 27.22 | 27.30 | 27.30 | -0.76% | 117,272 |
| Nov 20, 2025 | 27.89 | 28.00 | 27.26 | 27.51 | 27.51 | -0.36% | 121,003 |
| Nov 19, 2025 | 27.61 | 27.95 | 27.42 | 27.61 | 27.61 | 0.25% | 89,390 |
| Nov 18, 2025 | 27.70 | 27.99 | 27.50 | 27.54 | 27.54 | -0.65% | 78,389 |
| Nov 17, 2025 | 27.60 | 28.05 | 27.54 | 27.72 | 27.72 | -0.72% | 156,762 |
| Nov 14, 2025 | 27.21 | 28.12 | 27.11 | 27.92 | 27.92 | 1.79% | 420,279 |
| Nov 13, 2025 | 27.68 | 28.07 | 26.55 | 27.43 | 27.43 | 209.24% | 3,159,976 |
| Nov 12, 2025 | 8.70 | 8.88 | 8.45 | 8.87 | 8.87 | -0.45% | 21,701 |
| Nov 11, 2025 | 8.61 | 8.91 | 8.35 | 8.91 | 8.91 | 3.48% | 27,083 |
| Nov 10, 2025 | 8.50 | 8.71 | 8.26 | 8.61 | 8.61 | 2.38% | 38,632 |
| Nov 7, 2025 | 8.00 | 8.43 | 7.54 | 8.41 | 8.41 | 4.60% | 34,067 |
| Nov 6, 2025 | 8.43 | 8.87 | 8.00 | 8.04 | 8.04 | -4.96% | 32,588 |
| Nov 5, 2025 | 8.23 | 8.65 | 8.15 | 8.46 | 8.46 | 3.68% | 30,620 |
| Nov 4, 2025 | 9.15 | 9.15 | 8.00 | 8.16 | 8.16 | -13.56% | 62,019 |
| Nov 3, 2025 | 9.54 | 9.59 | 8.96 | 9.44 | 9.44 | -1.46% | 42,042 |
| Oct 31, 2025 | 9.30 | 9.87 | 9.24 | 9.58 | 9.58 | 3.01% | 35,055 |
| Oct 30, 2025 | 9.49 | 9.61 | 9.24 | 9.30 | 9.30 | -2.72% | 26,107 |
| Oct 29, 2025 | 9.95 | 10.03 | 9.54 | 9.56 | 9.56 | -6.55% | 29,230 |
| Oct 28, 2025 | 10.53 | 10.60 | 10.10 | 10.23 | 10.23 | -3.40% | 35,186 |
| Oct 27, 2025 | 9.90 | 10.64 | 9.87 | 10.59 | 10.59 | 8.28% | 54,585 |
| Oct 24, 2025 | 9.82 | 9.94 | 9.50 | 9.78 | 9.78 | -0.41% | 30,493 |
| Oct 23, 2025 | 9.19 | 9.87 | 8.99 | 9.82 | 9.82 | 6.86% | 26,667 |
| Oct 22, 2025 | 9.99 | 9.99 | 8.76 | 9.19 | 9.19 | -8.56% | 88,769 |
| Oct 21, 2025 | 10.27 | 10.51 | 10.02 | 10.05 | 10.05 | -3.55% | 15,575 |
| Oct 20, 2025 | 9.92 | 10.42 | 9.92 | 10.42 | 10.42 | 5.47% | 38,791 |
| Oct 17, 2025 | 10.54 | 10.77 | 9.71 | 9.88 | 9.88 | -6.22% | 69,731 |
| Oct 16, 2025 | 10.53 | 11.09 | 10.39 | 10.54 | 10.54 | 0.05% | 99,387 |