MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 113 filers reported holding MERSANA THERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 1.35 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $458,089 | -75.9% | 360,700 | -37.6% | 0.00% | -80.0% |
| Q2 2023 | $1,901,949 | -42.5% | 578,100 | -28.1% | 0.01% | -44.4% |
| Q1 2023 | $3,306,495 | -46.4% | 804,500 | -23.6% | 0.01% | -47.1% |
| Q4 2022 | $6,172,338 | -18.3% | 1,053,300 | -5.8% | 0.02% | -22.7% |
| Q3 2022 | $7,556,000 | +50.5% | 1,117,700 | +2.9% | 0.02% | +57.1% |
| Q2 2022 | $5,021,000 | -6.8% | 1,086,700 | -19.5% | 0.01% | 0.0% |
| Q1 2022 | $5,385,000 | -17.6% | 1,349,500 | +28.5% | 0.01% | -12.5% |
| Q4 2021 | $6,532,000 | +9.9% | 1,050,200 | +66.7% | 0.02% | +6.7% |
| Q3 2021 | $5,941,000 | -22.9% | 630,000 | +11.0% | 0.02% | -25.0% |
| Q2 2021 | $7,708,000 | -18.8% | 567,600 | -3.3% | 0.02% | -23.1% |
| Q1 2021 | $9,493,000 | -27.2% | 586,700 | +19.8% | 0.03% | -25.7% |
| Q4 2020 | $13,036,000 | +137.7% | 489,900 | +66.3% | 0.04% | +118.8% |
| Q3 2020 | $5,484,000 | +92.8% | 294,500 | +142.2% | 0.02% | +100.0% |
| Q2 2020 | $2,845,000 | +848.3% | 121,600 | +136.1% | 0.01% | +700.0% |
| Q1 2020 | $300,000 | +40.2% | 51,500 | +37.7% | 0.00% | – |
| Q4 2019 | $214,000 | +275.4% | 37,400 | +4.2% | 0.00% | – |
| Q3 2019 | $57,000 | +21.3% | 35,900 | +212.2% | 0.00% | – |
| Q2 2019 | $47,000 | – | 11,500 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SILVERARC CAPITAL MANAGEMENT, LLC | 5,000,000 | $6,350,000 | 1.92% |
| VR Adviser, LLC | 11,328,000 | $14,386,560 | 1.51% |
| Bain Capital Life Sciences Investors, LLC | 8,663,673 | $11,002,865 | 1.23% |
| Affinity Asset Advisors, LLC | 2,850,000 | $3,619,500 | 1.02% |
| EcoR1 Capital, LLC | 19,364,688 | $24,593,154 | 0.83% |
| Altium Capital Management LP | 1,059,136 | $1,345,103 | 0.70% |
| 5AM Venture Management, LLC | 1,305,000 | $1,657,350 | 0.48% |
| Decheng Capital Management III (Cayman), LLC | 904,268 | $1,148,420 | 0.38% |
| COMMODORE CAPITAL LP | 2,244,378 | $2,850,360 | 0.33% |
| Philosophy Capital Management LLC | 2,342,634 | $2,975,145 | 0.32% |