MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 50 filers reported holding MERSANA THERAPEUTICS INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 1.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RHO CAPITAL PARTNERS INC | 818,033 | $14,144,000 | 22.27% |
| ProQuest Associates IV LLC | 955,709 | $16,524,000 | 16.55% |
| NEA Management Company, LLC | 8,144,267 | $140,814,000 | 4.93% |
| Rock Springs Capital Management LP | 1,330,000 | $22,996,000 | 1.06% |
| Cormorant Asset Management, LP | 295,549 | $5,110,000 | 0.90% |
| ArrowMark Colorado Holdings LLC | 477,711 | $8,260,000 | 0.09% |
| Spark Investment Management LLC | 18,688 | $323,000 | 0.02% |
| WELLINGTON MANAGEMENT GROUP LLP | 2,391,404 | $41,348,000 | 0.01% |
| TUDOR INVESTMENT CORP ET AL | 20,000 | $346,000 | 0.01% |
| Laurion Capital Management LP | 50,000 | $865,000 | 0.00% |