TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 226 filers reported holding TESARO INC in Q4 2018. The put-call ratio across all filers is 0.46 and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $10,261,000 | +133.9% | 138,200 | +22.8% | 0.12% | +141.2% |
| Q3 2018 | $4,387,000 | +868.4% | 112,500 | +1002.9% | 0.05% | +750.0% |
| Q2 2018 | $453,000 | +70.9% | 10,200 | +218.8% | 0.01% | +100.0% |
| Q4 2017 | $265,000 | -35.8% | 3,200 | 0.0% | 0.00% | -40.0% |
| Q3 2017 | $413,000 | -7.6% | 3,200 | 0.0% | 0.01% | -16.7% |
| Q2 2017 | $447,000 | -76.4% | 3,200 | -74.0% | 0.01% | -80.0% |
| Q1 2017 | $1,892,000 | +340.0% | 12,300 | +284.4% | 0.03% | +400.0% |
| Q4 2016 | $430,000 | -47.6% | 3,200 | -61.0% | 0.01% | -50.0% |
| Q3 2016 | $821,000 | +512.7% | 8,200 | +412.5% | 0.01% | +500.0% |
| Q2 2016 | $134,000 | – | 1,600 | +31900.0% | 0.00% | – |
| Q1 2016 | $0 | -100.0% | 5 | -95.9% | 0.00% | -100.0% |
| Q3 2015 | $188,000 | +14.6% | 123 | -69.5% | 0.00% | 0.0% |
| Q2 2015 | $164,000 | – | 403 | – | 0.00% | – |
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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% |