BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 166 filers reported holding BLUEBIRD BIO INC in Q3 2023. The put-call ratio across all filers is 0.94 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $319,000 | +10533.3% | 23,000 | -37.0% | 0.48% | +15900.0% |
| Q4 2016 | $3,000 | -97.3% | 36,500 | -38.1% | 0.00% | -96.6% |
| Q3 2016 | $112,000 | -19.4% | 59,000 | +56.2% | 0.09% | -25.2% |
| Q2 2016 | $139,000 | -10.3% | 37,760 | -6.8% | 0.12% | -26.5% |
| Q1 2016 | $155,000 | -81.7% | 40,500 | -67.1% | 0.16% | -74.1% |
| Q4 2015 | $847,000 | – | 123,121 | – | 0.62% | – |
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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% |