MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 130 filers reported holding MERSANA THERAPEUTICS INC in Q3 2023. The put-call ratio across all filers is 0.05 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3 | -62.5% | 2,500 | 0.0% | 0.00% | – |
| Q2 2023 | $8 | -73.3% | 2,500 | -66.7% | 0.00% | – |
| Q1 2023 | $30 | +114.3% | 7,500 | +200.0% | 0.00% | – |
| Q4 2022 | $14 | -99.9% | 2,500 | 0.0% | 0.00% | – |
| Q3 2022 | $16,000 | +45.5% | 2,500 | 0.0% | 0.00% | – |
| Q2 2022 | $11,000 | +22.2% | 2,500 | 0.0% | 0.00% | – |
| Q1 2022 | $9,000 | -40.0% | 2,500 | 0.0% | 0.00% | – |
| Q4 2021 | $15,000 | -99.3% | 2,500 | -98.4% | 0.00% | -100.0% |
| Q2 2021 | $2,087,000 | -16.1% | 153,742 | 0.0% | 0.01% | -11.1% |
| Q1 2021 | $2,487,000 | -39.9% | 153,742 | -1.2% | 0.01% | -43.8% |
| Q4 2020 | $4,138,000 | +395.0% | 155,542 | +246.2% | 0.02% | +300.0% |
| Q3 2020 | $836,000 | +206.2% | 44,931 | +284.0% | 0.00% | +300.0% |
| Q2 2020 | $273,000 | – | 11,700 | – | 0.00% | – |
| Q3 2018 | $0 | -100.0% | 0 | -100.0% | 0.00% | -100.0% |
| Q2 2018 | $123,000 | +13.9% | 6,900 | 0.0% | 0.00% | – |
| Q1 2018 | $108,000 | +350.0% | 6,900 | +360.0% | 0.00% | – |
| Q4 2017 | $24,000 | -4.0% | 1,500 | 0.0% | 0.00% | – |
| Q3 2017 | $25,000 | – | 1,500 | – | 0.00% | – |
Download | ||||||
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% |