MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 159 filers reported holding MERSANA THERAPEUTICS INC in Q4 2020. The put-call ratio across all filers is 0.44 and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $16 | -61.9% | 12,679 | 0.0% | 0.00% | – |
| Q2 2023 | $42 | +7.7% | 12,679 | +35.0% | 0.00% | – |
| Q1 2023 | $39 | -43.5% | 9,391 | -20.5% | 0.00% | -100.0% |
| Q4 2022 | $69 | -99.9% | 11,816 | +3.2% | 0.00% | 0.0% |
| Q3 2022 | $77,000 | +51.0% | 11,451 | +2.8% | 0.00% | – |
| Q2 2022 | $51,000 | +18.6% | 11,135 | +3.2% | 0.00% | – |
| Q1 2022 | $43,000 | -70.1% | 10,790 | -53.6% | 0.00% | -100.0% |
| Q4 2021 | $144,000 | +28.6% | 23,272 | +96.4% | 0.00% | 0.0% |
| Q3 2021 | $112,000 | -31.3% | 11,850 | -1.4% | 0.00% | 0.0% |
| Q2 2021 | $163,000 | -26.6% | 12,021 | +44.4% | 0.00% | -87.5% |
| Q4 2020 | $222,000 | – | 8,324 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 4,005,600 | $64,810,000 | 6.21% |
| Bain Capital Life Sciences Investors, LLC | 3,695,667 | $59,796,000 | 3.39% |
| COMMODORE CAPITAL LP | 429,228 | $6,945,000 | 2.77% |
| ACUTA CAPITAL PARTNERS, LLC | 357,689 | $5,787,000 | 2.09% |
| Avoro Capital Advisors LLC | 6,800,000 | $110,024,000 | 1.90% |
| Ghost Tree Capital, LLC | 450,000 | $7,281,000 | 1.71% |
| RHO CAPITAL PARTNERS INC | 796,458 | $12,887,000 | 1.24% |
| Rock Springs Capital Management LP | 2,775,127 | $44,902,000 | 0.98% |
| Sio Capital Management, LLC | 157,259 | $2,544,000 | 0.52% |
| Bellevue Group AG | 2,850,010 | $46,113,000 | 0.49% |