Performance analysis of Mersana Therapeutics (MRSN)
Annual Return
Over the past 3 years, MRSN has had an average annual return of -37.89%, underperforming the benchmark SPY, which returned +20.23% annual.
Over the past 5 years, MRSN has had an average annual return of -40.61%, underperforming the benchmark SPY, which returned +12.24% annual.
Since Jun 28, 2017, MRSN has had an average annual return of -25.29%, underperforming the benchmark SPY, which returned +14.83% annual.
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| +0.48% | -19.00% | -38.38% | -60.42% | -5.78% | -76.62% | +364.38% | +40.46% | -75.17% | +17.36% |
Monthly Return
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annually Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.48% | +0.48% | |||||||||||
| 2025 | -57.39% | -14.02% | -34.22% | +25.61% | -20.39% | -14.23% | -7.11% | +6.63% | +6.22% | +23.42% | +186.13% | +5.48% | -19.00% |
| 2024 | +36.21% | +72.18% | -17.65% | -29.25% | -26.50% | -13.70% | -0.49% | -20.99% | +19.57% | -4.22% | +25.99% | -37.32% | -38.38% |
| 2023 | +12.28% | -7.89% | -32.18% | +6.57% | +71.65% | -56.25% | -62.77% | -9.37% | +14.38% | -6.28% | +38.71% | +40.54% | -60.42% |
| 2022 | -23.32% | -7.95% | -9.12% | -12.77% | -4.02% | +38.31% | +9.73% | +47.94% | -9.86% | +16.26% | -15.27% | -12.00% | -5.78% |
| 2021 | -28.37% | -4.61% | -11.00% | -1.54% | -10.11% | -5.17% | -19.00% | +26.64% | -32.30% | -9.23% | -21.26% | -7.71% | -76.62% |
| 2020 | +17.79% | +28.31% | -32.69% | +54.90% | +150.71% | +3.36% | -15.04% | -3.62% | -2.82% | -3.23% | +41.40% | +4.43% | +364.38% |
| 2019 | +12.25% | +20.33% | -4.55% | -6.47% | -11.98% | -6.47% | -13.58% | -29.72% | -35.74% | +18.95% | +104.77% | +48.84% | +40.46% |
| 2018 | -13.27% | +21.47% | -8.90% | +7.93% | +22.97% | -14.67% | -33.93% | +18.21% | -28.31% | -37.51% | -15.19% | -23.03% | -75.17% |
| 2017 | -0.21% | +6.65% | +17.51% | -1.26% | -5.96% | +16.85% | -13.52% | +17.36% |
Drawdown analysis of Mersana Therapeutics (MRSN)
The maximum drawdown for the MRSN was -99.13%, occurring on Aug 11, 2025. This drawdown has not yet recovered.
The current MRSN drawdown is -95.78%.
Since Jun 28, 2017 MRSN has experienced the following drawdowns:
- 50% or more: 2 times
- 40% or more: 2 times
- 30% or more: 5 times
- 20% or more: 5 times
- 10% or more: 7 times
| Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -99.13% | Dec 23, 2020 | 1161 | Aug 11, 2025 | Ongoing | Ongoing | Ongoing |
| -93.60% | May 25, 2018 | 343 | Oct 7, 2019 | 181 | Jun 25, 2020 | 524 |
| -34.46% | Sep 16, 2020 | 23 | Oct 19, 2020 | 30 | Dec 1, 2020 | 53 |
| -31.86% | Oct 3, 2017 | 89 | Feb 9, 2018 | 70 | May 22, 2018 | 159 |
| -30.77% | Jun 30, 2020 | 47 | Sep 4, 2020 | 5 | Sep 14, 2020 | 52 |
| -14.30% | Sep 11, 2017 | 6 | Sep 19, 2017 | 3 | Sep 22, 2017 | 9 |
| -11.24% | Dec 1, 2020 | 2 | Dec 3, 2020 | 12 | Dec 21, 2020 | 14 |
| -5.21% | Sep 14, 2020 | 1 | Sep 15, 2020 | 1 | Sep 16, 2020 | 2 |
| -5.21% | Jun 28, 2017 | 7 | Jul 10, 2017 | 2 | Jul 12, 2017 | 9 |
| -4.29% | Aug 21, 2017 | 4 | Aug 25, 2017 | 2 | Aug 29, 2017 | 6 |
| -4.26% | Sep 22, 2017 | 5 | Sep 29, 2017 | 1 | Oct 2, 2017 | 6 |
| -3.24% | Jul 27, 2017 | 1 | Jul 28, 2017 | 7 | Aug 8, 2017 | 8 |
| -2.71% | Jun 25, 2020 | 2 | Jun 29, 2020 | 1 | Jun 30, 2020 | 3 |
| -2.48% | Aug 14, 2017 | 2 | Aug 16, 2017 | 2 | Aug 18, 2017 | 4 |
| -2.12% | Aug 30, 2017 | 3 | Sep 5, 2017 | 4 | Sep 11, 2017 | 7 |
| -1.40% | Jul 19, 2017 | 2 | Jul 21, 2017 | 1 | Jul 24, 2017 | 3 |
| -0.53% | Aug 9, 2017 | 1 | Aug 10, 2017 | 1 | Aug 11, 2017 | 2 |
| -0.35% | Jul 13, 2017 | 1 | Jul 14, 2017 | 1 | Jul 17, 2017 | 2 |
| -0.13% | Jul 25, 2017 | 1 | Jul 26, 2017 | 1 | Jul 27, 2017 | 2 |