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 2021 | $618,000 | 0.0% | 65,500 | +44.0% | 0.16% | -6.5% |
| Q2 2021 | $618,000 | +25.4% | 45,500 | +49.2% | 0.17% | +1.2% |
| Q1 2021 | $493,000 | +304.1% | 30,500 | +563.0% | 0.17% | +225.5% |
| Q4 2020 | $122,000 | +130.2% | 4,600 | +61.4% | 0.05% | +96.2% |
| Q3 2020 | $53,000 | – | 2,850 | – | 0.03% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RHO CAPITAL PARTNERS INC | 796,458 | $4,564,000 | 3.47% |
| NEA Management Company, LLC | 11,963,649 | $68,552,000 | 3.24% |
| Sarissa Capital Management LP | 3,750,000 | $21,487,000 | 1.78% |
| VHCP Management III, LLC | 1,561,389 | $8,947,000 | 1.78% |
| VHCP Management II, LLC | 922,514 | $5,286,000 | 1.39% |
| Ghost Tree Capital, LLC | 800,000 | $4,584,000 | 0.87% |
| BVF INC/IL | 1,180,553 | $6,765,000 | 0.51% |
| Sio Capital Management, LLC | 166,250 | $953,000 | 0.23% |
| Rock Springs Capital Management LP | 1,233,000 | $7,065,000 | 0.22% |
| DAFNA Capital Management LLC | 108,463 | $621,000 | 0.21% |