MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 134 filers reported holding MERSANA THERAPEUTICS INC in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $21,641 | +89.2% | 17,040 | +390.1% | 0.00% | – |
| Q2 2023 | $11,441 | -99.8% | 3,477 | -99.6% | 0.00% | -100.0% |
| Q4 2021 | $5,089,000 | +1294.2% | 818,100 | +2941.3% | 0.02% | +900.0% |
| Q2 2021 | $365,000 | -97.8% | 26,900 | -97.4% | 0.00% | -97.5% |
| Q1 2021 | $16,877,000 | -31.2% | 1,043,100 | +13.1% | 0.08% | -34.2% |
| Q4 2020 | $24,534,000 | +26.2% | 922,000 | -11.7% | 0.12% | +20.0% |
| Q3 2020 | $19,438,000 | +2160.2% | 1,043,933 | +596.0% | 0.10% | +1900.0% |
| Q4 2019 | $860,000 | +10.0% | 150,000 | -69.7% | 0.01% | 0.0% |
| Q3 2019 | $782,000 | -71.0% | 495,000 | -25.6% | 0.01% | -64.3% |
| Q2 2019 | $2,693,000 | -66.6% | 665,000 | -56.7% | 0.01% | -62.2% |
| Q1 2019 | $8,071,000 | +259.7% | 1,534,370 | +179.0% | 0.04% | +236.4% |
| Q4 2018 | $2,244,000 | -11.4% | 550,000 | +287.8% | 0.01% | +10.0% |
| Q2 2018 | $2,533,000 | -5.5% | 141,808 | -16.6% | 0.01% | -9.1% |
| Q1 2018 | $2,681,000 | – | 170,000 | – | 0.01% | – |
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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% |