BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 255 filers reported holding BLUEBIRD BIO INC in Q4 2018. The put-call ratio across all filers is 0.54 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $238,285 | +3.5% | 72,427 | 0.0% | 0.01% | 0.0% |
| Q1 2023 | $230,318 | -76.7% | 72,427 | -49.2% | 0.01% | -78.3% |
| Q4 2022 | $987,048 | +90.5% | 142,637 | +74.4% | 0.02% | +76.9% |
| Q3 2022 | $518,000 | +129.2% | 81,783 | +1469.1% | 0.01% | +62.5% |
| Q4 2020 | $226,000 | -51.3% | 5,212 | -31.5% | 0.01% | -75.0% |
| Q2 2020 | $464,000 | +70.0% | 7,607 | +176.9% | 0.03% | -20.0% |
| Q4 2018 | $273,000 | -52.0% | 2,747 | -67.3% | 0.04% | -67.5% |
| Q3 2016 | $569,000 | +19.5% | 8,400 | -25.0% | 0.12% | -32.4% |
| Q1 2016 | $476,000 | – | 11,200 | – | 0.18% | – |
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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% |