BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 314 filers reported holding BLUEBIRD BIO INC in Q2 2018. The put-call ratio across all filers is 0.60 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $150,000 | -76.2% | 30,900 | +47.7% | 0.00% | -66.7% |
| Q1 2021 | $631,000 | -89.1% | 20,914 | -84.3% | 0.00% | -88.0% |
| Q4 2020 | $5,772,000 | -38.3% | 133,379 | -23.1% | 0.02% | -32.4% |
| Q3 2020 | $9,359,000 | +85.7% | 173,461 | +110.0% | 0.04% | +48.0% |
| Q2 2020 | $5,041,000 | +317.3% | 82,585 | +975.2% | 0.02% | +400.0% |
| Q1 2019 | $1,208,000 | +35.6% | 7,681 | +25.7% | 0.01% | +66.7% |
| Q3 2018 | $891,000 | +82.2% | 6,109 | +95.8% | 0.00% | +50.0% |
| Q2 2018 | $489,000 | -91.5% | 3,120 | -90.8% | 0.00% | -92.3% |
| Q1 2018 | $5,779,000 | – | 33,846 | – | 0.03% | – |
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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% |