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 | $83,669 | -98.0% | 65,881 | -94.7% | 0.00% | -100.0% |
| Q2 2023 | $4,084,835 | +79963.4% | 1,241,591 | +0.0% | 0.00% | -50.0% |
| Q1 2023 | $5,102 | -29.2% | 1,241,487 | +1.0% | 0.00% | -33.3% |
| Q4 2022 | $7,204 | -99.9% | 1,229,407 | -3.1% | 0.00% | 0.0% |
| Q3 2022 | $8,579,000 | +320.3% | 1,269,121 | +187.2% | 0.00% | +200.0% |
| Q2 2022 | $2,041,000 | +70.4% | 441,834 | +47.5% | 0.00% | – |
| Q1 2022 | $1,198,000 | -34.2% | 299,450 | +2.2% | 0.00% | -100.0% |
| Q4 2021 | $1,822,000 | -30.0% | 292,957 | +6.1% | 0.00% | 0.0% |
| Q3 2021 | $2,604,000 | -26.3% | 276,188 | +6.2% | 0.00% | 0.0% |
| Q2 2021 | $3,531,000 | -10.0% | 259,948 | +7.2% | 0.00% | 0.0% |
| Q1 2021 | $3,922,000 | -62.8% | 242,429 | -38.8% | 0.00% | -75.0% |
| Q4 2020 | $10,538,000 | +53.3% | 396,043 | +7.3% | 0.00% | +33.3% |
| Q3 2020 | $6,874,000 | -41.6% | 369,186 | -26.6% | 0.00% | -40.0% |
| Q2 2020 | $11,769,000 | +944.3% | 502,951 | +160.2% | 0.01% | +400.0% |
| Q1 2020 | $1,127,000 | +41.4% | 193,283 | +39.0% | 0.00% | – |
| Q4 2019 | $797,000 | +366.1% | 139,081 | +29.0% | 0.00% | – |
| Q3 2019 | $171,000 | -60.9% | 107,809 | 0.0% | 0.00% | – |
| Q2 2019 | $437,000 | – | 107,809 | – | 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% |