BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 177 filers reported holding BLUEBIRD BIO INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $147,945 | +76954.7% | 48,666 | -16.5% | 0.01% | -18.2% |
| Q2 2023 | $192 | -39.8% | 58,274 | -41.9% | 0.01% | -45.0% |
| Q1 2023 | $319 | -55.3% | 100,324 | -2.7% | 0.02% | -54.5% |
| Q4 2022 | $714 | -99.9% | 103,139 | +11.1% | 0.04% | +12.8% |
| Q3 2022 | $588,000 | +49.2% | 92,857 | -2.5% | 0.04% | +62.5% |
| Q2 2022 | $394,000 | -10.0% | 95,211 | +5.3% | 0.02% | +4.3% |
| Q1 2022 | $438,000 | -37.0% | 90,376 | +30.0% | 0.02% | -32.4% |
| Q4 2021 | $695,000 | -0.1% | 69,541 | +90.9% | 0.03% | -8.1% |
| Q3 2021 | $696,000 | -9.1% | 36,421 | +52.1% | 0.04% | -9.8% |
| Q2 2021 | $766,000 | +277.3% | 23,951 | +256.2% | 0.04% | +241.7% |
| Q1 2021 | $203,000 | – | 6,724 | – | 0.01% | – |
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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% |