TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 269 filers reported holding TESARO INC in Q4 2017. The put-call ratio across all filers is 0.82 and the average weighting 0.5%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| NEA Management Company, LLC | 10,275,113 | $1,029,977,000 | 46.23% |
| ORACLE INVESTMENT MANAGEMENT INC | 1,154,322 | $115,709,000 | 17.83% |
| BLUE JAY CAPITAL MANAGEMENT, LLC | 120,000 | $12,029,000 | 6.57% |
| March Altus Capital Management LP | 10,000 | $1,002,000 | 6.27% |
| Avoro Capital Advisors LLC | 277,703 | $27,837,000 | 4.88% |
| Perceptive Advisors | 682,415 | $68,405,000 | 4.42% |
| Rock Springs Capital Management LP | 626,500 | $62,800,000 | 3.94% |
| Hatteras Investment Partners, LP | 10,240 | $1,026,000 | 3.52% |
| BB BIOTECH AG | 974,582 | $97,692,000 | 3.43% |
| SENZAR ASSET MANAGEMENT, LLC | 84,300 | $8,450,232,000 | 2.18% |