BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 166 filers reported holding BLUEBIRD BIO INC in Q3 2023. The put-call ratio across all filers is 0.94 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $886,771 | -7.7% | 291,701 | -0.1% | 0.00% | – |
| Q2 2023 | $960,858 | +29.5% | 292,054 | +25.2% | 0.00% | – |
| Q1 2023 | $741,830 | -51.8% | 233,280 | +4.9% | 0.00% | – |
| Q4 2022 | $1,538,364 | +21.4% | 222,307 | +11.1% | 0.00% | – |
| Q3 2022 | $1,267,000 | +61.0% | 200,143 | +5.3% | 0.00% | – |
| Q2 2022 | $787,000 | -10.9% | 190,048 | +4.5% | 0.00% | – |
| Q1 2022 | $883,000 | -50.1% | 181,935 | +2.8% | 0.00% | -100.0% |
| Q4 2021 | $1,769,000 | -45.5% | 177,033 | +4.3% | 0.00% | 0.0% |
| Q3 2021 | $3,245,000 | -77.5% | 169,759 | -62.4% | 0.00% | -80.0% |
| Q2 2021 | $14,445,000 | +55.4% | 451,679 | +46.5% | 0.01% | +66.7% |
| Q1 2021 | $9,298,000 | -34.4% | 308,385 | -5.8% | 0.00% | -50.0% |
| Q4 2020 | $14,173,000 | -18.6% | 327,527 | +1.5% | 0.01% | -25.0% |
| Q3 2020 | $17,416,000 | -8.8% | 322,803 | +3.2% | 0.01% | -11.1% |
| Q2 2020 | $19,097,000 | +58.3% | 312,851 | +19.2% | 0.01% | +28.6% |
| Q1 2020 | $12,063,000 | -46.8% | 262,450 | +1.6% | 0.01% | -41.7% |
| Q4 2019 | $22,672,000 | -3.0% | 258,362 | +1.5% | 0.01% | -14.3% |
| Q3 2019 | $23,379,000 | -23.9% | 254,611 | +5.4% | 0.01% | -26.3% |
| Q2 2019 | $30,730,000 | -16.5% | 241,584 | +3.3% | 0.02% | -20.8% |
| Q1 2019 | $36,812,000 | +71.2% | 233,978 | +7.9% | 0.02% | +50.0% |
| Q4 2018 | $21,503,000 | -28.6% | 216,758 | +5.1% | 0.02% | -20.0% |
| Q3 2018 | $30,097,000 | -27.2% | 206,142 | -21.8% | 0.02% | -33.3% |
| Q2 2018 | $41,351,000 | -27.2% | 263,463 | -20.8% | 0.03% | -31.8% |
| Q1 2018 | $56,781,000 | +7.7% | 332,536 | +12.3% | 0.04% | +4.8% |
| Q4 2017 | $52,731,000 | +44.0% | 296,073 | +11.0% | 0.04% | +31.2% |
| Q3 2017 | $36,631,000 | +98.6% | 266,693 | +51.9% | 0.03% | +88.2% |
| Q2 2017 | $18,440,000 | +19.4% | 175,532 | +3.4% | 0.02% | +13.3% |
| Q1 2017 | $15,439,000 | +61.9% | 169,839 | +9.9% | 0.02% | +50.0% |
| Q4 2016 | $9,539,000 | +0.2% | 154,599 | +10.0% | 0.01% | -9.1% |
| Q3 2016 | $9,523,000 | +51.1% | 140,491 | -3.5% | 0.01% | +37.5% |
| Q2 2016 | $6,302,000 | +46.0% | 145,569 | +43.4% | 0.01% | +33.3% |
| Q1 2016 | $4,315,000 | -27.6% | 101,521 | +9.4% | 0.01% | -25.0% |
| Q4 2015 | $5,961,000 | -20.7% | 92,818 | +5.7% | 0.01% | -27.3% |
| Q3 2015 | $7,516,000 | -3.5% | 87,851 | +89.9% | 0.01% | 0.0% |
| Q2 2015 | $7,789,000 | -19.8% | 46,259 | -42.5% | 0.01% | -21.4% |
| Q1 2015 | $9,716,000 | +86.8% | 80,447 | +41.9% | 0.01% | +75.0% |
| Q4 2014 | $5,200,000 | +201.6% | 56,693 | +18.0% | 0.01% | +166.7% |
| Q3 2014 | $1,724,000 | +34.8% | 48,048 | +45.0% | 0.00% | +50.0% |
| Q2 2014 | $1,279,000 | +272.9% | 33,146 | +120.4% | 0.00% | +100.0% |
| Q1 2014 | $343,000 | +11.0% | 15,042 | +2.5% | 0.00% | 0.0% |
| Q4 2013 | $309,000 | -20.2% | 14,682 | +3.0% | 0.00% | 0.0% |
| Q3 2013 | $387,000 | – | 14,250 | – | 0.00% | – |
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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% |