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 | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $803,000 | -7.8% | 26,631 | +32.2% | 0.00% | 0.0% |
| Q4 2020 | $871,000 | -8.7% | 20,139 | +13.9% | 0.00% | 0.0% |
| Q3 2020 | $954,000 | -49.7% | 17,676 | -43.1% | 0.00% | -66.7% |
| Q2 2020 | $1,897,000 | +56.4% | 31,076 | +17.7% | 0.00% | +50.0% |
| Q1 2020 | $1,213,000 | -60.4% | 26,396 | -24.4% | 0.00% | -50.0% |
| Q4 2019 | $3,062,000 | -4.3% | 34,896 | +0.1% | 0.00% | -20.0% |
| Q3 2019 | $3,200,000 | -34.9% | 34,856 | -9.8% | 0.01% | -28.6% |
| Q2 2019 | $4,917,000 | -27.4% | 38,656 | -10.2% | 0.01% | -30.0% |
| Q1 2019 | $6,776,000 | +75.2% | 43,069 | +10.5% | 0.01% | +42.9% |
| Q4 2018 | $3,868,000 | -48.1% | 38,991 | -23.7% | 0.01% | -36.4% |
| Q3 2018 | $7,457,000 | -6.6% | 51,077 | +0.4% | 0.01% | -8.3% |
| Q2 2018 | $7,987,000 | -0.9% | 50,886 | +7.8% | 0.01% | 0.0% |
| Q1 2018 | $8,057,000 | +2.6% | 47,186 | +7.0% | 0.01% | +9.1% |
| Q4 2017 | $7,852,000 | +36.5% | 44,086 | +5.2% | 0.01% | +22.2% |
| Q3 2017 | $5,753,000 | +20.9% | 41,888 | -7.5% | 0.01% | +28.6% |
| Q2 2017 | $4,758,000 | -0.8% | 45,288 | -14.2% | 0.01% | -12.5% |
| Q1 2017 | $4,798,000 | +30.7% | 52,788 | -11.3% | 0.01% | +33.3% |
| Q4 2016 | $3,672,000 | -8.6% | 59,521 | +0.5% | 0.01% | -14.3% |
| Q3 2016 | $4,016,000 | +125.1% | 59,254 | +43.8% | 0.01% | +133.3% |
| Q2 2016 | $1,784,000 | +1.1% | 41,200 | -0.7% | 0.00% | 0.0% |
| Q1 2016 | $1,764,000 | -36.6% | 41,500 | -4.2% | 0.00% | -50.0% |
| Q4 2015 | $2,781,000 | -26.4% | 43,300 | -2.0% | 0.01% | -14.3% |
| Q3 2015 | $3,781,000 | -46.8% | 44,200 | +4.7% | 0.01% | -46.2% |
| Q2 2015 | $7,105,000 | +36.5% | 42,200 | -2.1% | 0.01% | +44.4% |
| Q1 2015 | $5,205,000 | +59.9% | 43,100 | +21.4% | 0.01% | +80.0% |
| Q4 2014 | $3,256,000 | +326.2% | 35,500 | +66.7% | 0.01% | +400.0% |
| Q3 2014 | $764,000 | – | 21,300 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 1,550,000 | $7,518,000 | 1.50% |
| Birchview Capital, LP | 84,000 | $407,000 | 0.29% |
| PDT Partners, LLC | 519,485 | $2,520,000 | 0.22% |
| OCCUDO QUANTITATIVE STRATEGIES LP | 320,922 | $1,556,000 | 0.13% |
| Virtus ETF Advisers LLC | 40,607 | $197,000 | 0.09% |
| Baker Brothers Advisors | 2,499,715 | $12,124,000 | 0.07% |
| Green Alpha Advisors, LLC | 14,660 | $71,000 | 0.05% |
| Quinn Opportunity Partners LLC | 140,824 | $683,000 | 0.03% |
| Rafferty Asset Management, LLC | 979,122 | $4,749,000 | 0.03% |
| Inspire Investing, LLC | 48,724 | $236,000 | 0.03% |