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 | $57,234 | -7.6% | 18,827 | 0.0% | 0.00% | – |
| Q2 2023 | $61,941 | +3.5% | 18,827 | 0.0% | 0.00% | – |
| Q1 2023 | $59,870 | -54.0% | 18,827 | 0.0% | 0.00% | – |
| Q4 2022 | $130,283 | +9.5% | 18,827 | 0.0% | 0.00% | – |
| Q3 2022 | $119,000 | +52.6% | 18,827 | 0.0% | 0.00% | – |
| Q2 2022 | $78,000 | -14.3% | 18,827 | 0.0% | 0.00% | – |
| Q1 2022 | $91,000 | -51.6% | 18,827 | 0.0% | 0.00% | – |
| Q4 2021 | $188,000 | -19.3% | 18,827 | 0.0% | 0.00% | -100.0% |
| Q3 2021 | $233,000 | -61.4% | 18,827 | -0.3% | 0.00% | -50.0% |
| Q2 2021 | $604,000 | +6.0% | 18,888 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $570,000 | -96.7% | 18,888 | -95.3% | 0.00% | -95.7% |
| Q4 2020 | $17,230,000 | -22.4% | 398,194 | -3.2% | 0.05% | -30.3% |
| Q3 2020 | $22,199,000 | -14.4% | 411,466 | -3.2% | 0.07% | -24.1% |
| Q2 2020 | $25,940,000 | +30.2% | 424,975 | -2.0% | 0.09% | +4.8% |
| Q1 2020 | $19,923,000 | -28.6% | 433,501 | +36.3% | 0.08% | -10.8% |
| Q4 2019 | $27,910,000 | -15.1% | 318,057 | -11.1% | 0.09% | -23.8% |
| Q3 2019 | $32,857,000 | -25.3% | 357,845 | +3.5% | 0.12% | -26.5% |
| Q2 2019 | $43,969,000 | -17.5% | 345,669 | +2.1% | 0.17% | -20.2% |
| Q1 2019 | $53,290,000 | +61.5% | 338,718 | +1.8% | 0.21% | +39.6% |
| Q4 2018 | $33,002,000 | – | 332,685 | – | 0.15% | – |
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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% |