BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 281 filers reported holding BLUEBIRD BIO INC in Q2 2020. The put-call ratio across all filers is 1.27 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $330,000 | +450.0% | 52,133 | +260.3% | 0.01% | +500.0% |
| Q2 2022 | $60,000 | -6.2% | 14,470 | +9.0% | 0.00% | 0.0% |
| Q1 2022 | $64,000 | -48.4% | 13,270 | +105.0% | 0.00% | -50.0% |
| Q3 2021 | $124,000 | +37.8% | 6,474 | +130.5% | 0.00% | +33.3% |
| Q2 2021 | $90,000 | -68.5% | 2,809 | -70.4% | 0.00% | -70.0% |
| Q1 2021 | $286,000 | -24.3% | 9,482 | +8.6% | 0.01% | -41.2% |
| Q4 2020 | $378,000 | -15.1% | 8,731 | +5.8% | 0.02% | -63.8% |
| Q3 2020 | $445,000 | -57.2% | 8,256 | -51.5% | 0.05% | -59.5% |
| Q2 2020 | $1,039,000 | +11444.4% | 17,029 | +8723.3% | 0.12% | +2800.0% |
| Q1 2020 | $9,000 | -76.9% | 193 | -22.2% | 0.00% | -73.3% |
| Q1 2019 | $39,000 | +3800.0% | 248 | +1553.3% | 0.02% | – |
| Q4 2018 | $1,000 | -98.8% | 15 | -97.2% | 0.00% | -100.0% |
| Q2 2018 | $84,000 | +127.0% | 537 | +146.3% | 0.03% | +47.4% |
| Q1 2018 | $37,000 | +3600.0% | 218 | +2625.0% | 0.02% | +1800.0% |
| Q4 2017 | $1,000 | -75.0% | 8 | -92.0% | 0.00% | -87.5% |
| Q1 2016 | $4,000 | -33.3% | 100 | 0.0% | 0.01% | -60.0% |
| Q4 2015 | $6,000 | – | 100 | – | 0.02% | – |
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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% |