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 | $347 | +8.1% | 114,195 | +17.0% | 0.00% | – |
| Q2 2023 | $321 | +208.7% | 97,592 | +199.4% | 0.00% | – |
| Q1 2023 | $104 | -66.3% | 32,592 | -27.0% | 0.00% | – |
| Q4 2022 | $309 | -99.9% | 44,655 | +0.1% | 0.00% | – |
| Q3 2022 | $282,000 | +53.3% | 44,617 | +0.3% | 0.00% | – |
| Q2 2022 | $184,000 | -14.8% | 44,482 | -0.2% | 0.00% | – |
| Q1 2022 | $216,000 | -55.6% | 44,593 | -8.4% | 0.00% | – |
| Q4 2021 | $486,000 | -47.9% | 48,667 | -0.3% | 0.00% | -100.0% |
| Q3 2021 | $933,000 | -49.9% | 48,820 | -16.1% | 0.00% | -50.0% |
| Q2 2021 | $1,861,000 | -12.5% | 58,200 | -17.4% | 0.00% | 0.0% |
| Q1 2021 | $2,126,000 | -72.2% | 70,500 | -60.1% | 0.00% | -77.8% |
| Q4 2020 | $7,652,000 | -27.2% | 176,842 | -9.3% | 0.01% | -30.8% |
| Q3 2020 | $10,517,000 | -14.8% | 194,942 | -3.6% | 0.01% | -18.8% |
| Q2 2020 | $12,345,000 | +43.0% | 202,242 | +7.6% | 0.02% | +23.1% |
| Q1 2020 | $8,635,000 | -40.6% | 187,877 | +13.3% | 0.01% | -23.5% |
| Q4 2019 | $14,548,000 | -4.4% | 165,790 | 0.0% | 0.02% | -10.5% |
| Q3 2019 | $15,223,000 | -28.8% | 165,790 | -1.3% | 0.02% | -29.6% |
| Q2 2019 | $21,368,000 | -19.8% | 167,990 | -0.8% | 0.03% | -20.6% |
| Q1 2019 | $26,642,000 | +58.0% | 169,340 | -0.4% | 0.03% | +41.7% |
| Q4 2018 | $16,858,000 | -23.2% | 169,940 | +13.1% | 0.02% | -7.7% |
| Q3 2018 | $21,943,000 | -15.1% | 150,296 | -8.8% | 0.03% | -18.8% |
| Q2 2018 | $25,854,000 | +47.6% | 164,725 | +60.6% | 0.03% | +45.5% |
| Q1 2018 | $17,517,000 | -9.5% | 102,588 | -5.6% | 0.02% | -4.3% |
| Q4 2017 | $19,357,000 | +14.4% | 108,685 | -11.8% | 0.02% | +4.5% |
| Q3 2017 | $16,926,000 | +8.7% | 123,233 | -16.9% | 0.02% | +4.8% |
| Q2 2017 | $15,574,000 | +32.1% | 148,254 | +14.3% | 0.02% | +31.2% |
| Q1 2017 | $11,790,000 | +34.0% | 129,709 | -9.0% | 0.02% | +33.3% |
| Q4 2016 | $8,799,000 | -16.3% | 142,608 | -8.0% | 0.01% | -20.0% |
| Q3 2016 | $10,510,000 | +44.5% | 155,055 | -7.7% | 0.02% | +36.4% |
| Q2 2016 | $7,273,000 | -13.0% | 168,000 | -14.6% | 0.01% | -15.4% |
| Q1 2016 | $8,356,000 | -23.9% | 196,615 | +15.0% | 0.01% | -23.5% |
| Q4 2015 | $10,983,000 | -4.1% | 171,022 | +27.8% | 0.02% | -5.6% |
| Q3 2015 | $11,450,000 | -33.9% | 133,844 | +30.0% | 0.02% | -28.0% |
| Q2 2015 | $17,334,000 | +212.3% | 102,951 | +124.0% | 0.02% | +212.5% |
| Q1 2015 | $5,550,000 | +532.1% | 45,955 | +379.9% | 0.01% | +700.0% |
| Q4 2014 | $878,000 | – | 9,575 | – | 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% |