MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 140 filers reported holding MERSANA THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 0.38 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $142,517 | -77.1% | 112,218 | -40.8% | 0.00% | – |
| Q2 2023 | $623,697 | -63.8% | 189,611 | -54.8% | 0.00% | -100.0% |
| Q1 2023 | $1,723,325 | +59967.1% | 419,337 | -14.4% | 0.00% | 0.0% |
| Q4 2022 | $2,869 | -99.9% | 489,783 | -0.5% | 0.00% | 0.0% |
| Q3 2022 | $3,329,000 | +245.0% | 492,488 | +135.6% | 0.00% | – |
| Q2 2022 | $965,000 | +30.1% | 209,060 | +12.4% | 0.00% | – |
| Q1 2022 | $742,000 | -38.7% | 186,040 | -4.4% | 0.00% | – |
| Q4 2021 | $1,210,000 | -31.6% | 194,516 | +3.7% | 0.00% | -100.0% |
| Q3 2021 | $1,768,000 | -26.0% | 187,516 | +6.5% | 0.00% | 0.0% |
| Q2 2021 | $2,390,000 | -17.4% | 176,004 | -1.6% | 0.00% | 0.0% |
| Q1 2021 | $2,894,000 | -40.3% | 178,843 | -1.8% | 0.00% | -50.0% |
| Q4 2020 | $4,844,000 | +33.3% | 182,048 | -6.8% | 0.00% | 0.0% |
| Q3 2020 | $3,635,000 | -22.0% | 195,231 | -1.9% | 0.00% | 0.0% |
| Q2 2020 | $4,659,000 | +297.2% | 199,107 | -1.0% | 0.00% | +100.0% |
| Q1 2020 | $1,173,000 | +103.6% | 201,136 | +100.2% | 0.00% | – |
| Q4 2019 | $576,000 | +487.8% | 100,472 | +61.3% | 0.00% | – |
| Q3 2019 | $98,000 | -27.4% | 62,291 | +86.4% | 0.00% | – |
| Q2 2019 | $135,000 | – | 33,422 | – | 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% |