BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 272 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $1,444 | -20.2% | 474,900 | -13.7% | 0.00% | -33.3% |
Q2 2023 | $1,810 | -100.0% | 550,200 | -27.3% | 0.00% | -57.1% |
Q3 2022 | $4,793,000 | -58.8% | 757,110 | -73.1% | 0.01% | -50.0% |
Q2 2022 | $11,633,000 | +155.2% | 2,810,000 | +198.9% | 0.01% | +180.0% |
Q1 2022 | $4,559,000 | -82.5% | 940,000 | +55.7% | 0.01% | -82.1% |
Q4 2020 | $26,122,000 | +125.8% | 603,700 | +181.6% | 0.03% | +133.3% |
Q3 2020 | $11,567,000 | -32.1% | 214,400 | +114.8% | 0.01% | +33.3% |
Q2 2018 | $17,041,000 | 0.0% | 99,800 | 0.0% | 0.01% | -52.6% |
Q1 2018 | $17,041,000 | +57.5% | 99,800 | +26.6% | 0.02% | +46.2% |
Q3 2017 | $10,823,000 | +203.1% | 78,800 | -4.5% | 0.01% | +85.7% |
Q2 2016 | $3,571,000 | +117.6% | 82,500 | +113.7% | 0.01% | +133.3% |
Q1 2016 | $1,641,000 | -78.6% | 38,600 | -15.4% | 0.00% | -82.4% |
Q2 2015 | $7,678,000 | +1.7% | 45,600 | -27.0% | 0.02% | +6.2% |
Q1 2015 | $7,548,000 | -37.1% | 62,500 | -52.3% | 0.02% | -44.8% |
Q4 2014 | $12,006,000 | +509.4% | 130,900 | +138.4% | 0.03% | +480.0% |
Q3 2014 | $1,970,000 | – | 54,900 | – | 0.01% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
TANG CAPITAL MANAGEMENT LLC | 4,282,827 | $13,019,794 | 1.84% |
Birchview Capital, LP | 455,200 | $1,383,808 | 1.18% |
PFM Health Sciences, LP | 6,040,934 | $18,364,439 | 0.86% |
Lion Point Capital, LP | 531,256 | $1,615,018 | 0.72% |
Endurant Capital Management LP | 251,785 | $765,426 | 0.69% |
Bleichroeder LP | 900,000 | $2,736,000 | 0.67% |
Connacht Asset Management LP | 31,634 | $96,167 | 0.57% |
Granahan Investment Management | 5,137,778 | $15,618,845 | 0.56% |
Frazier Life Sciences Management, L.P. | 1,709,907 | $5,198,117 | 0.34% |
Contrarius Investment Management Ltd | 1,308,002 | $3,976 | 0.22% |