TESARO INC's ticker is and the CUSIP is 881569907. A total of 3 filers reported holding TESARO INC in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $5,000 | – | 1,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 18,900 | $1,080,000 | 0.01% |
| JPMORGAN CHASE & CO | 175,000 | $10,000,000 | 0.00% |
| SIMPLEX TRADING, LLC | 72 | $29,000 | 0.00% |