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 | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $93,706 | -16.8% | 28,482 | +3.9% | 0.00% | – |
| Q1 2023 | $112,622 | -29.9% | 27,402 | 0.0% | 0.00% | – |
| Q4 2022 | $160,576 | -12.7% | 27,402 | +0.4% | 0.00% | – |
| Q3 2022 | $184,000 | +46.0% | 27,292 | 0.0% | 0.00% | – |
| Q2 2022 | $126,000 | +15.6% | 27,292 | +0.0% | 0.00% | – |
| Q1 2022 | $109,000 | -35.9% | 27,282 | 0.0% | 0.00% | – |
| Q4 2021 | $170,000 | -33.6% | 27,282 | +0.6% | 0.00% | – |
| Q3 2021 | $256,000 | -30.4% | 27,117 | 0.0% | 0.00% | -100.0% |
| Q2 2021 | $368,000 | +1.7% | 27,117 | +21.3% | 0.00% | 0.0% |
| Q1 2021 | $362,000 | -40.9% | 22,360 | -3.0% | 0.00% | 0.0% |
| Q4 2020 | $613,000 | +38.4% | 23,040 | -3.1% | 0.00% | 0.0% |
| Q3 2020 | $443,000 | -3.5% | 23,780 | +21.2% | 0.00% | 0.0% |
| Q2 2020 | $459,000 | – | 19,620 | – | 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% |