TESARO INC's ticker is and the CUSIP is 881569957. A total of 8 filers reported holding TESARO INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $171,000 | -85.1% | 2,300 | -74.2% | 0.00% | -90.0% |
| Q3 2017 | $1,149,000 | -17.9% | 8,900 | -11.0% | 0.01% | -23.1% |
| Q2 2017 | $1,399,000 | -24.2% | 10,000 | -16.7% | 0.01% | -43.5% |
| Q1 2017 | $1,846,000 | -81.7% | 12,000 | -84.0% | 0.02% | -82.2% |
| Q4 2016 | $10,086,000 | +11.8% | 75,000 | -16.7% | 0.13% | +53.6% |
| Q3 2016 | $9,022,000 | – | 90,000 | – | 0.08% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 294,000 | $21,830,000 | 0.19% |
| BOOTHBAY FUND MANAGEMENT, LLC | 140 | $1,040,000 | 0.15% |
| Hudson Bay Capital Management LP | 35,800 | $2,658,000 | 0.04% |
| SIMPLEX TRADING, LLC | 1,367 | $10,149,000 | 0.03% |
| WATER ISLAND CAPITAL LLC | 262,400 | $92,000 | 0.01% |
| Pentwater Capital Management LP | 2,300 | $171,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| JPMORGAN CHASE & CO | 8,000 | $594,000 | 0.00% |