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 | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $351,711,000 | -19.5% | 8,128,284 | +0.4% | 0.09% | -30.5% |
| Q3 2020 | $436,959,000 | -11.6% | 8,099,325 | +0.1% | 0.13% | -16.0% |
| Q2 2020 | $494,105,000 | +57.8% | 8,094,771 | +18.8% | 0.16% | +26.8% |
| Q1 2020 | $313,098,000 | -47.4% | 6,812,412 | +0.5% | 0.12% | -30.9% |
| Q4 2019 | $594,869,000 | -4.3% | 6,779,133 | +0.1% | 0.18% | -12.7% |
| Q3 2019 | $621,904,000 | -26.8% | 6,773,083 | +1.4% | 0.20% | -24.4% |
| Q2 2019 | $849,242,000 | -19.1% | 6,676,427 | +0.0% | 0.27% | -18.9% |
| Q1 2019 | $1,050,089,000 | +58.0% | 6,674,436 | -0.4% | 0.33% | +43.5% |
| Q4 2018 | $664,584,000 | -31.4% | 6,699,431 | +1.0% | 0.23% | -17.7% |
| Q3 2018 | $968,610,000 | +0.5% | 6,634,317 | +8.1% | 0.28% | +7.2% |
| Q2 2018 | $963,599,000 | -7.8% | 6,139,530 | +0.3% | 0.26% | -11.4% |
| Q1 2018 | $1,045,499,000 | -2.3% | 6,122,980 | +1.9% | 0.30% | -5.4% |
| Q4 2017 | $1,070,527,000 | +39.6% | 6,010,817 | +7.6% | 0.31% | +35.3% |
| Q3 2017 | $767,047,000 | +33.2% | 5,584,617 | +1.9% | 0.23% | +28.9% |
| Q2 2017 | $576,001,000 | +27.0% | 5,483,117 | +9.9% | 0.18% | +25.9% |
| Q1 2017 | $453,595,000 | +56.0% | 4,990,045 | +5.9% | 0.14% | +52.1% |
| Q4 2016 | $290,795,000 | +7.4% | 4,713,042 | +18.0% | 0.09% | +5.6% |
| Q3 2016 | $270,633,000 | +38.2% | 3,992,809 | -11.7% | 0.09% | +32.8% |
| Q2 2016 | $195,828,000 | +1.9% | 4,523,635 | +0.1% | 0.07% | +1.5% |
| Q1 2016 | $192,088,000 | -32.8% | 4,519,722 | +1.5% | 0.07% | -32.7% |
| Q4 2015 | $285,955,000 | -24.8% | 4,452,741 | +0.2% | 0.10% | -27.9% |
| Q3 2015 | $380,038,000 | -48.5% | 4,442,293 | +1.4% | 0.14% | -43.8% |
| Q2 2015 | $737,781,000 | +53.1% | 4,381,900 | +9.8% | 0.24% | +46.7% |
| Q1 2015 | $481,797,000 | +35.5% | 3,989,375 | +2.9% | 0.16% | +36.4% |
| Q4 2014 | $355,517,000 | +182.9% | 3,876,111 | +10.7% | 0.12% | +175.0% |
| Q3 2014 | $125,685,000 | +8.5% | 3,502,915 | +16.7% | 0.04% | +10.0% |
| Q2 2014 | $115,815,000 | +72.0% | 3,002,715 | +1.4% | 0.04% | +66.7% |
| Q1 2014 | $67,327,000 | +22.8% | 2,960,748 | +13.3% | 0.02% | +20.0% |
| Q4 2013 | $54,816,000 | +97.0% | 2,612,792 | +153.2% | 0.02% | +81.8% |
| Q3 2013 | $27,823,000 | – | 1,032,000 | – | 0.01% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 5,910,687 | $24,470,000 | 3.71% |
| Monaco Asset Management SAM | 306,142 | $1,267,000 | 0.55% |
| Parametrica Management Ltd | 90,105 | $374,000 | 0.41% |
| Kamunting Street Capital Management, L.P. | 55,200 | $229,000 | 0.31% |
| Birchview Capital, LP | 98,000 | $406,000 | 0.30% |
| Kamunting Street Capital Management, L.P. | 35,000 | $145,000 | 0.20% |
| PDT Partners, LLC | 519,477 | $2,151,000 | 0.19% |
| Graham Capital Management, L.P. | 781,912 | $3,237,000 | 0.13% |
| CAXTON ASSOCIATES LP | 220,154 | $911,000 | 0.09% |
| Baker Brothers Advisors | 2,499,715 | $10,349,000 | 0.06% |