TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 142 filers reported holding TESARO INC in Q4 2015. The put-call ratio across all filers is 1.82 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $78,000 | -12.4% | 2,000 | 0.0% | 0.02% | -13.0% |
| Q2 2018 | $89,000 | -21.9% | 2,000 | 0.0% | 0.02% | -25.8% |
| Q1 2018 | $114,000 | -31.3% | 2,000 | 0.0% | 0.03% | -31.1% |
| Q4 2017 | $166,000 | -35.7% | 2,000 | 0.0% | 0.04% | -37.5% |
| Q3 2017 | $258,000 | -7.9% | 2,000 | 0.0% | 0.07% | -12.2% |
| Q2 2017 | $280,000 | -9.1% | 2,000 | 0.0% | 0.08% | -8.9% |
| Q1 2017 | $308,000 | +14.5% | 2,000 | 0.0% | 0.09% | +11.1% |
| Q4 2016 | $269,000 | +17.0% | 2,000 | 0.0% | 0.08% | +11.0% |
| Q3 2016 | $230,000 | +36.9% | 2,000 | 0.0% | 0.07% | +32.7% |
| Q2 2016 | $168,000 | +90.9% | 2,000 | 0.0% | 0.06% | +89.7% |
| Q1 2016 | $88,000 | -16.2% | 2,000 | 0.0% | 0.03% | -21.6% |
| Q4 2015 | $105,000 | +31.2% | 2,000 | 0.0% | 0.04% | +27.6% |
| Q3 2015 | $80,000 | -32.2% | 2,000 | 0.0% | 0.03% | -25.6% |
| Q2 2015 | $118,000 | +2.6% | 2,000 | 0.0% | 0.04% | 0.0% |
| Q1 2015 | $115,000 | +55.4% | 2,000 | 0.0% | 0.04% | +56.0% |
| Q4 2014 | $74,000 | – | 2,000 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| INTERWEST VENTURE MANAGEMENT CO | 2,021,403 | $271,838,000 | 64.82% |
| NEA Management Company, LLC | 10,275,113 | $1,381,797,000 | 54.94% |
| ORACLE INVESTMENT MANAGEMENT INC | 1,248,086 | $167,843,000 | 27.84% |
| BLUE JAY CAPITAL MANAGEMENT, LLC | 89,695 | $12,062,000 | 7.28% |
| Perceptive Advisors | 687,993 | $92,521,000 | 6.58% |
| Avoro Capital Advisors LLC | 231,700 | $31,159,000 | 6.30% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 94,500 | $12,705,000 | 5.72% |
| Rock Springs Capital Management LP | 613,500 | $82,503,000 | 5.52% |
| SENZAR ASSET MANAGEMENT, LLC | 142,300 | $19,136,000 | 5.08% |
| BB BIOTECH AG | 974,582 | $131,062,000 | 4.85% |