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 | $346,716 | -66.5% | 273,005 | -13.2% | 0.00% | – |
| Q2 2023 | $1,034,649 | +357.8% | 314,483 | +841.1% | 0.00% | – |
| Q3 2022 | $226,000 | -67.6% | 33,416 | -80.9% | 0.00% | – |
| Q1 2022 | $698,000 | +6.6% | 175,021 | +66.0% | 0.00% | – |
| Q4 2021 | $655,000 | -29.0% | 105,423 | +7.8% | 0.00% | – |
| Q3 2021 | $922,000 | +29.5% | 97,832 | +86.8% | 0.00% | – |
| Q2 2021 | $712,000 | -30.5% | 52,372 | -17.3% | 0.00% | -100.0% |
| Q1 2021 | $1,025,000 | -87.8% | 63,335 | -79.9% | 0.00% | -75.0% |
| Q4 2020 | $8,404,000 | +636.5% | 315,820 | +415.7% | 0.00% | – |
| Q3 2020 | $1,141,000 | -72.1% | 61,243 | -65.0% | 0.00% | -100.0% |
| Q2 2020 | $4,090,000 | +5580.6% | 174,778 | +1310.5% | 0.00% | – |
| Q1 2020 | $72,000 | -71.1% | 12,391 | -79.8% | 0.00% | – |
| Q2 2019 | $249,000 | +315.0% | 61,459 | +441.7% | 0.00% | – |
| Q1 2019 | $60,000 | – | 11,346 | – | 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% |