BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 172 filers reported holding BLUEBIRD BIO INC in Q4 2014. The put-call ratio across all filers is 0.23 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $36,807,000 | -12.7% | 252,100 | -6.1% | 1.13% | -20.9% |
| Q2 2018 | $42,141,000 | -7.6% | 268,500 | +0.5% | 1.43% | -18.7% |
| Q1 2018 | $45,607,000 | -1.4% | 267,100 | +2.8% | 1.76% | -12.5% |
| Q4 2017 | $46,270,000 | +393.5% | 259,800 | +154.1% | 2.01% | +97.1% |
| Q4 2014 | $9,376,000 | – | 102,227 | – | 1.02% | – |
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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% |