BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 247 filers reported holding BLUEBIRD BIO INC in Q2 2017. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $258,000 | -27.7% | 2,808 | 0.0% | 0.35% | -17.7% |
| Q2 2019 | $357,000 | -28.6% | 2,808 | -11.6% | 0.42% | -39.1% |
| Q1 2019 | $500,000 | +29.2% | 3,175 | -18.6% | 0.70% | +32.9% |
| Q4 2018 | $387,000 | -57.7% | 3,902 | -37.7% | 0.52% | -39.0% |
| Q3 2018 | $915,000 | +33.0% | 6,266 | +42.9% | 0.86% | +35.8% |
| Q2 2018 | $688,000 | -11.6% | 4,386 | -3.7% | 0.63% | -22.6% |
| Q1 2018 | $778,000 | -4.1% | 4,555 | 0.0% | 0.82% | -1.7% |
| Q4 2017 | $811,000 | +44.6% | 4,555 | +11.6% | 0.83% | +20.7% |
| Q3 2017 | $561,000 | +122.6% | 4,083 | +70.4% | 0.69% | +80.3% |
| Q2 2017 | $252,000 | -10.6% | 2,396 | -22.7% | 0.38% | -2.6% |
| Q1 2017 | $282,000 | -18.5% | 3,100 | -44.6% | 0.39% | -19.2% |
| Q4 2016 | $346,000 | – | 5,600 | – | 0.48% | – |
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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% |