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 | $53,426 | -89.9% | 42,068 | -73.8% | 0.00% | -100.0% |
| Q2 2023 | $527,397 | +6013.3% | 160,303 | +7537.1% | 0.00% | – |
| Q1 2023 | $8,627 | +72.5% | 2,099 | +182.9% | 0.00% | – |
| Q3 2022 | $5,000 | -44.4% | 742 | -63.3% | 0.00% | – |
| Q2 2022 | $9,000 | -87.5% | 2,023 | -88.8% | 0.00% | – |
| Q1 2022 | $72,000 | +800.0% | 18,123 | +1269.8% | 0.00% | – |
| Q4 2021 | $8,000 | -77.8% | 1,323 | -65.6% | 0.00% | – |
| Q3 2021 | $36,000 | -75.0% | 3,849 | -56.6% | 0.00% | – |
| Q1 2021 | $144,000 | +34.6% | 8,870 | +121.4% | 0.00% | – |
| Q4 2020 | $107,000 | – | 4,007 | – | 0.00% | – |
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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% |