BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 251 filers reported holding BLUEBIRD BIO INC in Q1 2020. The put-call ratio across all filers is 1.33 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2020 | $280,000 | -7.9% | 5,188 | +4.3% | 0.00% | 0.0% |
Q2 2020 | $304,000 | +16.5% | 4,975 | +67.0% | 0.00% | 0.0% |
Q4 2019 | $261,000 | -5.1% | 2,979 | -0.6% | 0.00% | 0.0% |
Q3 2019 | $275,000 | -44.6% | 2,998 | -23.1% | 0.00% | -55.6% |
Q2 2019 | $496,000 | -18.2% | 3,900 | +1.2% | 0.01% | -25.0% |
Q1 2019 | $606,000 | +61.6% | 3,854 | +1.5% | 0.01% | +33.3% |
Q4 2018 | $375,000 | -24.4% | 3,797 | +11.7% | 0.01% | -10.0% |
Q3 2018 | $496,000 | +33.0% | 3,398 | +41.7% | 0.01% | +66.7% |
Q2 2018 | $373,000 | -5.1% | 2,398 | +4.1% | 0.01% | -60.0% |
Q1 2018 | $393,000 | -5.3% | 2,303 | -5.5% | 0.02% | -16.7% |
Q4 2017 | $415,000 | +15.9% | 2,437 | -10.5% | 0.02% | +100.0% |
Q3 2017 | $358,000 | +50.4% | 2,723 | +7.6% | 0.01% | +50.0% |
Q2 2017 | $238,000 | -59.8% | 2,531 | -63.9% | 0.01% | -64.7% |
Q1 2017 | $592,000 | +158.5% | 7,013 | +99.3% | 0.02% | +112.5% |
Q4 2016 | $229,000 | -13.6% | 3,518 | -7.8% | 0.01% | -27.3% |
Q3 2016 | $265,000 | -42.3% | 3,816 | +40.1% | 0.01% | -50.0% |
Q2 2015 | $459,000 | +111.5% | 2,724 | +51.8% | 0.02% | +69.2% |
Q1 2015 | $217,000 | – | 1,795 | – | 0.01% | – |
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% |