MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 129 filers reported holding MERSANA THERAPEUTICS INC in Q1 2022. The put-call ratio across all filers is 4.48 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,246,659 | +155.4% | 1,769,023 | +561.6% | 0.00% | – |
| Q2 2023 | $879,667 | +66.7% | 267,376 | +108.3% | 0.00% | – |
| Q1 2023 | $527,564 | -85.7% | 128,361 | -79.6% | 0.00% | -100.0% |
| Q4 2022 | $3,689,316 | +208.5% | 629,576 | +255.9% | 0.00% | – |
| Q3 2022 | $1,196,000 | -29.0% | 176,903 | -51.5% | 0.00% | – |
| Q2 2022 | $1,685,000 | -40.8% | 364,515 | -48.9% | 0.00% | -100.0% |
| Q1 2022 | $2,847,000 | +29.2% | 713,489 | +101.5% | 0.00% | – |
| Q4 2021 | $2,203,000 | +108.4% | 354,107 | +216.0% | 0.00% | – |
| Q3 2021 | $1,057,000 | -87.3% | 112,043 | -81.7% | 0.00% | -100.0% |
| Q2 2021 | $8,301,000 | -20.2% | 611,223 | -4.9% | 0.00% | 0.0% |
| Q1 2021 | $10,396,000 | -81.5% | 642,507 | -69.5% | 0.00% | -86.7% |
| Q4 2020 | $56,132,000 | +538.5% | 2,109,417 | +346.8% | 0.02% | +650.0% |
| Q3 2020 | $8,791,000 | -40.5% | 472,095 | -25.3% | 0.00% | -60.0% |
| Q2 2020 | $14,780,000 | +449.6% | 631,601 | +37.0% | 0.01% | +400.0% |
| Q1 2020 | $2,689,000 | +113.2% | 461,186 | +109.5% | 0.00% | 0.0% |
| Q4 2019 | $1,261,000 | +757.8% | 220,102 | +136.2% | 0.00% | – |
| Q3 2019 | $147,000 | -54.9% | 93,174 | +15.6% | 0.00% | – |
| Q2 2019 | $326,000 | +33.1% | 80,621 | +73.2% | 0.00% | – |
| Q1 2019 | $245,000 | +22.5% | 46,538 | -5.1% | 0.00% | – |
| Q4 2018 | $200,000 | +11.7% | 49,042 | +282.4% | 0.00% | – |
| Q2 2017 | $179,000 | – | 12,824 | – | 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% |