BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 184 filers reported holding BLUEBIRD BIO INC in Q4 2022. The put-call ratio across all filers is 0.63 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $15,353,815 | +55.5% | 4,666,813 | +50.3% | 0.02% | +50.0% |
| Q1 2023 | $9,873,108 | +130669.6% | 3,104,751 | +184.6% | 0.01% | +9.1% |
| Q4 2022 | $7,550 | -99.9% | 1,091,062 | +33.5% | 0.01% | +37.5% |
| Q3 2022 | $5,172,000 | +75.3% | 817,078 | +14.6% | 0.01% | +100.0% |
| Q2 2022 | $2,951,000 | +98.5% | 712,871 | +132.5% | 0.00% | +100.0% |
| Q1 2022 | $1,487,000 | -36.2% | 306,659 | +31.6% | 0.00% | 0.0% |
| Q4 2021 | $2,329,000 | -35.7% | 233,097 | +23.0% | 0.00% | -50.0% |
| Q3 2021 | $3,622,000 | – | 189,544 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 6,335,528 | $40,104,000 | 4.92% |
| qPULA Trading Management LP | 14,344 | $91,000 | 0.80% |
| Frazier Life Sciences Management, L.P. | 1,440,757 | $9,120,000 | 0.70% |
| Ikarian Capital, LLC | 462,628 | $2,928,000 | 0.58% |
| Birchview Capital, LP | 98,000 | $620,000 | 0.44% |
| HealthCor Management, L.P. | 455,000 | $2,880,000 | 0.36% |
| Financial Advocates Investment Management | 45,071 | $3,538,000 | 0.29% |
| PDT Partners, LLC | 262,767 | $1,663,000 | 0.25% |
| Monaco Asset Management SAM | 80,000 | $506,000 | 0.19% |
| Summit X, LLC | 103,424 | $651,000 | 0.19% |