BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 236 filers reported holding BLUEBIRD BIO INC in Q2 2021. The put-call ratio across all filers is 1.04 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $39,520 | -24.9% | 13,000 | -18.8% | 0.00% | – |
| Q2 2023 | $52,640 | +3.5% | 16,000 | 0.0% | 0.00% | – |
| Q1 2023 | $50,880 | -63.2% | 16,000 | -20.0% | 0.00% | -100.0% |
| Q4 2022 | $138,400 | -16.1% | 20,000 | -23.1% | 0.00% | 0.0% |
| Q3 2022 | $165,000 | +52.8% | 26,000 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $108,000 | -45.7% | 26,000 | -36.6% | 0.00% | 0.0% |
| Q1 2022 | $199,000 | -51.5% | 41,000 | 0.0% | 0.00% | -66.7% |
| Q4 2021 | $410,000 | -49.2% | 41,000 | -2.9% | 0.00% | -40.0% |
| Q3 2021 | $807,000 | -54.3% | 42,233 | -23.5% | 0.01% | -54.5% |
| Q2 2021 | $1,766,000 | +6.1% | 55,233 | 0.0% | 0.01% | 0.0% |
| Q1 2021 | $1,665,000 | – | 55,233 | – | 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% |