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 | $191,000 | -61.3% | 150,000 | 0.0% | 0.00% | -100.0% |
| Q2 2023 | $494,000 | -19.9% | 150,000 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $617,000 | -29.8% | 150,000 | 0.0% | 0.00% | 0.0% |
| Q4 2022 | $879,000 | -15.8% | 150,000 | -2.5% | 0.00% | 0.0% |
| Q3 2022 | $1,044,000 | +46.4% | 153,793 | -0.4% | 0.00% | 0.0% |
| Q2 2022 | $713,000 | +15.6% | 154,418 | 0.0% | 0.00% | – |
| Q1 2022 | $617,000 | -35.7% | 154,418 | 0.0% | 0.00% | -100.0% |
| Q4 2021 | $960,000 | -35.1% | 154,418 | -1.5% | 0.00% | 0.0% |
| Q3 2021 | $1,479,000 | -28.1% | 156,764 | +3.5% | 0.00% | -50.0% |
| Q2 2021 | $2,057,000 | -16.1% | 151,498 | 0.0% | 0.00% | -33.3% |
| Q1 2021 | $2,451,000 | -39.4% | 151,498 | -0.3% | 0.00% | -50.0% |
| Q4 2020 | $4,044,000 | +42.9% | 151,957 | 0.0% | 0.01% | +20.0% |
| Q3 2020 | $2,829,000 | -20.4% | 151,957 | 0.0% | 0.01% | -16.7% |
| Q2 2020 | $3,556,000 | – | 151,957 | – | 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% |