MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 113 filers reported holding MERSANA THERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 1.35 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $932,228 | -65.1% | 734,038 | -9.5% | 0.29% | -60.2% |
| Q2 2023 | $2,667,680 | +27.1% | 810,845 | +58.7% | 0.73% | +15.7% |
| Q1 2023 | $2,099,647 | -13.3% | 510,863 | +23.6% | 0.63% | -7.6% |
| Q4 2022 | $2,422,893 | -5.1% | 413,463 | +9.5% | 0.68% | -0.7% |
| Q3 2022 | $2,554,000 | +35.9% | 377,763 | -7.1% | 0.69% | +34.2% |
| Q2 2022 | $1,879,000 | +33.5% | 406,763 | +15.3% | 0.51% | +39.5% |
| Q1 2022 | $1,408,000 | +61.5% | 352,763 | +151.5% | 0.37% | +67.6% |
| Q4 2021 | $872,000 | -34.1% | 140,263 | 0.0% | 0.22% | -37.6% |
| Q3 2021 | $1,323,000 | -24.1% | 140,263 | +9.4% | 0.35% | -3.6% |
| Q2 2021 | $1,742,000 | -13.4% | 128,263 | +3.2% | 0.36% | -23.7% |
| Q1 2021 | $2,011,000 | +53.4% | 124,263 | +152.2% | 0.48% | +22.3% |
| Q4 2020 | $1,311,000 | -53.9% | 49,263 | -67.8% | 0.39% | -57.8% |
| Q3 2020 | $2,844,000 | -55.0% | 152,763 | -43.5% | 0.92% | -49.3% |
| Q2 2020 | $6,322,000 | +170.1% | 270,163 | -32.7% | 1.82% | +86.7% |
| Q1 2020 | $2,341,000 | +277.0% | 401,619 | +270.3% | 0.98% | +358.7% |
| Q4 2019 | $621,000 | -21.7% | 108,463 | -78.4% | 0.21% | -28.5% |
| Q3 2019 | $793,000 | -28.9% | 501,736 | +82.3% | 0.30% | -28.9% |
| Q2 2019 | $1,115,000 | -47.4% | 275,236 | -31.8% | 0.42% | -54.2% |
| Q1 2019 | $2,121,000 | – | 403,300 | – | 0.92% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RHO CAPITAL PARTNERS INC | 796,458 | $4,564,000 | 3.47% |
| NEA Management Company, LLC | 11,963,649 | $68,552,000 | 3.24% |
| Sarissa Capital Management LP | 3,750,000 | $21,487,000 | 1.78% |
| VHCP Management III, LLC | 1,561,389 | $8,947,000 | 1.78% |
| VHCP Management II, LLC | 922,514 | $5,286,000 | 1.39% |
| Ghost Tree Capital, LLC | 800,000 | $4,584,000 | 0.87% |
| BVF INC/IL | 1,180,553 | $6,765,000 | 0.51% |
| Sio Capital Management, LLC | 166,250 | $953,000 | 0.23% |
| Rock Springs Capital Management LP | 1,233,000 | $7,065,000 | 0.22% |
| DAFNA Capital Management LLC | 108,463 | $621,000 | 0.21% |