BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 194 filers reported holding BLUEBIRD BIO INC in Q3 2015. The put-call ratio across all filers is 1.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $310,000 | -26.9% | 5,742 | -17.4% | 0.01% | -22.2% |
| Q2 2020 | $424,000 | +16.8% | 6,952 | +179.5% | 0.01% | +12.5% |
| Q3 2018 | $363,000 | -72.1% | 2,487 | -67.3% | 0.01% | -74.2% |
| Q1 2018 | $1,300,000 | -29.4% | 7,615 | -26.4% | 0.03% | -26.2% |
| Q4 2017 | $1,842,000 | +65.9% | 10,344 | +28.0% | 0.04% | +68.0% |
| Q3 2017 | $1,110,000 | +199.2% | 8,082 | +128.6% | 0.02% | +212.5% |
| Q2 2017 | $371,000 | +15.6% | 3,535 | 0.0% | 0.01% | +14.3% |
| Q1 2017 | $321,000 | -28.5% | 3,535 | -51.4% | 0.01% | -30.0% |
| Q4 2016 | $449,000 | -49.6% | 7,281 | +37.6% | 0.01% | -47.4% |
| Q2 2015 | $891,000 | -9.8% | 5,290 | -35.3% | 0.02% | 0.0% |
| Q1 2015 | $988,000 | – | 8,180 | – | 0.02% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Third Rock Ventures, LLC | 3,313,974 | $78,939,000 | 22.36% |
| HARBOURVEST PARTNERS LLC | 59,264 | $1,243,000 | 3.98% |
| RA Capital Management | 467,418 | $9,806,000 | 1.14% |
| HAMILTON LANE ADVISORS LLC | 88,628 | $1,859,000 | 1.08% |
| COWEN INC. | 158,709 | $3,330,000 | 0.56% |
| SPHERA FUNDS MANAGEMENT LTD. | 92,435 | $1,939,000 | 0.54% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 423,224 | $8,879,000 | 0.46% |
| Camber Capital Management LP | 206,900 | $4,341,000 | 0.38% |
| Eventide Asset Management | 25,700 | $539,000 | 0.17% |
| SABBY MANAGEMENT, LLC | 102,035 | $2,141,000 | 0.14% |