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 | $3,865 | -58.4% | 3,043 | +7.8% | 0.00% | – |
| Q2 2023 | $9,284 | +309366.7% | 2,822 | +362.6% | 0.00% | – |
| Q1 2023 | $3 | -25.0% | 610 | 0.0% | 0.00% | – |
| Q4 2022 | $4 | -99.9% | 610 | -11.8% | 0.00% | – |
| Q3 2022 | $5,000 | +66.7% | 692 | +13.4% | 0.00% | – |
| Q2 2022 | $3,000 | -98.5% | 610 | -98.7% | 0.00% | -100.0% |
| Q1 2022 | $194,000 | +6366.7% | 48,710 | +7885.2% | 0.00% | – |
| Q4 2021 | $3,000 | -50.0% | 610 | 0.0% | 0.00% | – |
| Q3 2021 | $6,000 | -88.0% | 610 | -83.3% | 0.00% | – |
| Q2 2021 | $50,000 | -67.5% | 3,660 | -61.5% | 0.00% | -100.0% |
| Q1 2021 | $154,000 | -78.2% | 9,510 | -64.3% | 0.00% | -80.0% |
| Q4 2020 | $708,000 | +420.6% | 26,610 | +264.0% | 0.01% | +400.0% |
| Q3 2020 | $136,000 | -20.5% | 7,310 | 0.0% | 0.00% | -50.0% |
| Q2 2020 | $171,000 | – | 7,310 | – | 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% |