BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 filers reported holding BLUEBIRD BIO INC in Q3 2021. The put-call ratio across all filers is 1.22 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $39,255 | +8.1% | 11,450 | +4.6% | 0.00% | 0.0% |
| Q1 2023 | $36,307 | -64.3% | 10,950 | -25.5% | 0.00% | -62.5% |
| Q4 2022 | $101,610 | -97.1% | 14,690 | -67.4% | 0.01% | -97.3% |
| Q3 2022 | $3,538,000 | +8127.9% | 45,071 | +332.1% | 0.29% | +9633.3% |
| Q2 2022 | $43,000 | -24.6% | 10,430 | -11.8% | 0.00% | -25.0% |
| Q1 2022 | $57,000 | -58.7% | 11,830 | -14.5% | 0.00% | -55.6% |
| Q4 2021 | $138,000 | -89.5% | 13,830 | -69.4% | 0.01% | -89.8% |
| Q3 2021 | $1,310,000 | +92.4% | 45,234 | +766.4% | 0.09% | +95.6% |
| Q2 2021 | $681,000 | -41.7% | 5,221 | -83.7% | 0.04% | -45.8% |
| Q1 2021 | $1,168,000 | +276.8% | 32,023 | +930.7% | 0.08% | +295.2% |
| Q4 2020 | $310,000 | – | 3,107 | – | 0.02% | – |
Download | ||||||
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% |