BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2022. The put-call ratio across all filers is 1.32 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,266,000 | -41.2% | 261,107 | +21.1% | 0.00% | -33.3% |
| Q4 2021 | $2,153,000 | +193.3% | 215,536 | +2476.6% | 0.00% | +50.0% |
| Q4 2019 | $734,000 | -4.4% | 8,365 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $768,000 | -63.9% | 8,365 | -50.0% | 0.00% | -60.0% |
| Q2 2019 | $2,128,000 | +4.9% | 16,729 | +29.7% | 0.01% | 0.0% |
| Q1 2019 | $2,029,000 | -72.2% | 12,898 | -82.5% | 0.01% | -73.7% |
| Q4 2018 | $7,308,000 | -32.1% | 73,674 | 0.0% | 0.02% | -17.4% |
| Q3 2018 | $10,756,000 | -58.7% | 73,674 | -55.6% | 0.02% | -23.3% |
| Q2 2018 | $26,038,000 | -2.4% | 165,906 | +6.2% | 0.03% | -51.6% |
| Q1 2018 | $26,683,000 | – | 156,268 | – | 0.06% | – |
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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% |