MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 159 filers reported holding MERSANA THERAPEUTICS INC in Q4 2020. The put-call ratio across all filers is 0.44 and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $6,000 | -33.3% | 651 | 0.0% | 0.00% | – |
| Q2 2021 | $9,000 | -84.7% | 651 | -82.2% | 0.00% | -100.0% |
| Q1 2021 | $59,000 | -39.2% | 3,663 | 0.0% | 0.00% | -66.7% |
| Q4 2020 | $97,000 | +708.3% | 3,663 | +462.7% | 0.00% | – |
| Q3 2020 | $12,000 | -20.0% | 651 | 0.0% | 0.00% | – |
| Q2 2020 | $15,000 | +275.0% | 651 | -0.2% | 0.00% | – |
| Q4 2019 | $4,000 | – | 652 | – | 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% |