BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q4 2019. The put-call ratio across all filers is 0.80 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $71,000 | +54.3% | 11,212 | 0.0% | 0.01% | +50.0% |
| Q2 2022 | $46,000 | -14.8% | 11,212 | 0.0% | 0.00% | +33.3% |
| Q1 2022 | $54,000 | -51.8% | 11,212 | 0.0% | 0.00% | -66.7% |
| Q4 2021 | $112,000 | -47.7% | 11,212 | 0.0% | 0.01% | -60.9% |
| Q3 2021 | $214,000 | -40.4% | 11,212 | 0.0% | 0.02% | -34.3% |
| Q2 2021 | $359,000 | +6.2% | 11,212 | 0.0% | 0.04% | 0.0% |
| Q1 2021 | $338,000 | -33.7% | 11,212 | -4.8% | 0.04% | -34.0% |
| Q4 2020 | $510,000 | -19.8% | 11,783 | 0.0% | 0.05% | -23.2% |
| Q3 2020 | $636,000 | -11.5% | 11,783 | 0.0% | 0.07% | -21.6% |
| Q2 2020 | $719,000 | +13.2% | 11,783 | -14.7% | 0.09% | +27.5% |
| Q1 2020 | $635,000 | -50.1% | 13,812 | -4.8% | 0.07% | -36.7% |
| Q4 2019 | $1,273,000 | -4.4% | 14,507 | 0.0% | 0.11% | +4.8% |
| Q3 2019 | $1,332,000 | -35.0% | 14,507 | -9.9% | 0.10% | -21.8% |
| Q2 2019 | $2,049,000 | -27.7% | 16,109 | -10.6% | 0.13% | -22.7% |
| Q1 2019 | $2,834,000 | +39.7% | 18,015 | -11.9% | 0.17% | +73.7% |
| Q4 2018 | $2,028,000 | -58.7% | 20,442 | -39.2% | 0.10% | -38.5% |
| Q3 2018 | $4,912,000 | -7.0% | 33,644 | 0.0% | 0.16% | +8.1% |
| Q2 2018 | $5,280,000 | – | 33,644 | – | 0.15% | – |
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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% |