MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 137 filers reported holding MERSANA THERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 0.90 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $82,591 | -35.0% | 65,032 | +68.4% | 0.00% | – |
| Q2 2023 | $127,047 | -5.8% | 38,616 | +17.7% | 0.00% | – |
| Q1 2023 | $134,853 | -30.8% | 32,811 | -1.4% | 0.00% | – |
| Q4 2022 | $194,980 | -94.9% | 33,273 | -94.1% | 0.00% | -100.0% |
| Q3 2022 | $3,795,000 | +2711.1% | 561,274 | +1822.8% | 0.00% | – |
| Q2 2022 | $135,000 | +12.5% | 29,190 | -2.9% | 0.00% | – |
| Q1 2022 | $120,000 | -35.1% | 30,068 | +1.2% | 0.00% | – |
| Q4 2021 | $185,000 | -38.9% | 29,718 | -7.7% | 0.00% | – |
| Q3 2021 | $303,000 | -17.7% | 32,211 | +19.1% | 0.00% | – |
| Q2 2021 | $368,000 | -94.5% | 27,045 | -93.4% | 0.00% | -100.0% |
| Q1 2021 | $6,670,000 | -81.2% | 412,170 | -69.0% | 0.00% | -80.0% |
| Q4 2020 | $35,407,000 | +70.2% | 1,330,589 | +19.1% | 0.01% | +42.9% |
| Q3 2020 | $20,806,000 | -9.5% | 1,117,416 | +13.7% | 0.01% | -12.5% |
| Q2 2020 | $22,998,000 | – | 982,795 | – | 0.01% | – |
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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% |