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 | $19,000 | -54.8% | 14,930 | +15.9% | 0.00% | – |
| Q2 2023 | $42,000 | +100.0% | 12,881 | +146.6% | 0.00% | – |
| Q1 2023 | $21,000 | -72.4% | 5,224 | -60.3% | 0.00% | – |
| Q4 2022 | $76,000 | +322.2% | 13,165 | +372.0% | 0.00% | – |
| Q3 2022 | $18,000 | +800.0% | 2,789 | +464.6% | 0.00% | – |
| Q2 2022 | $2,000 | -88.9% | 494 | -88.8% | 0.00% | – |
| Q1 2022 | $18,000 | -80.9% | 4,397 | -70.9% | 0.00% | – |
| Q4 2021 | $94,000 | +42.4% | 15,098 | +117.5% | 0.00% | – |
| Q3 2021 | $66,000 | +3.1% | 6,941 | +47.2% | 0.00% | – |
| Q2 2021 | $64,000 | -1.5% | 4,715 | +18.1% | 0.00% | – |
| Q1 2021 | $65,000 | +490.9% | 3,993 | +848.5% | 0.00% | – |
| Q4 2020 | $11,000 | +450.0% | 421 | +347.9% | 0.00% | – |
| Q3 2020 | $2,000 | -33.3% | 94 | -16.1% | 0.00% | – |
| Q2 2020 | $3,000 | +200.0% | 112 | -26.3% | 0.00% | – |
| Q1 2020 | $1,000 | -94.7% | 152 | -95.4% | 0.00% | – |
| Q4 2019 | $19,000 | +1800.0% | 3,282 | +435.4% | 0.00% | – |
| Q3 2019 | $1,000 | -83.3% | 613 | -61.0% | 0.00% | – |
| Q2 2019 | $6,000 | +200.0% | 1,572 | +546.9% | 0.00% | – |
| Q3 2018 | $2,000 | -33.3% | 243 | +62.0% | 0.00% | – |
| Q2 2018 | $3,000 | +200.0% | 150 | +240.9% | 0.00% | – |
| Q4 2017 | $1,000 | -83.3% | 44 | -87.6% | 0.00% | – |
| Q3 2017 | $6,000 | – | 354 | – | 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% |