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 | $163,915 | -66.4% | 129,067 | -13.1% | 0.00% | – |
| Q2 2023 | $488,443 | +14.4% | 148,463 | +42.9% | 0.00% | – |
| Q1 2023 | $426,943 | -25.3% | 103,879 | +6.6% | 0.00% | -100.0% |
| Q4 2022 | $571,197 | -17.6% | 97,474 | -5.1% | 0.00% | 0.0% |
| Q3 2022 | $693,000 | +85.8% | 102,667 | +27.5% | 0.00% | – |
| Q2 2022 | $373,000 | +22.7% | 80,542 | +6.0% | 0.00% | – |
| Q1 2022 | $304,000 | -26.7% | 75,957 | +13.8% | 0.00% | – |
| Q4 2021 | $415,000 | -15.7% | 66,721 | +28.1% | 0.00% | – |
| Q3 2021 | $492,000 | -33.2% | 52,096 | -3.8% | 0.00% | – |
| Q2 2021 | $736,000 | -14.7% | 54,157 | +1.3% | 0.00% | – |
| Q1 2021 | $863,000 | -71.4% | 53,442 | -52.8% | 0.00% | -100.0% |
| Q4 2020 | $3,013,000 | +43.5% | 113,240 | +0.4% | 0.00% | 0.0% |
| Q3 2020 | $2,100,000 | +55.3% | 112,743 | +95.2% | 0.00% | 0.0% |
| Q2 2020 | $1,352,000 | +7852.9% | 57,772 | +431.6% | 0.00% | – |
| Q3 2019 | $17,000 | – | 10,868 | – | 0.00% | – |
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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% |