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 | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $5,660,000 | -40.7% | 64,500 | -14.0% | 0.47% | -64.3% |
| Q2 2019 | $9,540,000 | -27.6% | 75,000 | -10.5% | 1.30% | +8.5% |
| Q1 2019 | $13,184,000 | -4.2% | 83,796 | -39.6% | 1.20% | -22.5% |
| Q4 2018 | $13,769,000 | +20.3% | 138,796 | +77.0% | 1.55% | +18.1% |
| Q3 2018 | $11,446,000 | +0.6% | 78,396 | +8.2% | 1.31% | -16.2% |
| Q2 2018 | $11,376,000 | +556.8% | 72,483 | +81.2% | 1.57% | +248.4% |
| Q2 2016 | $1,732,000 | +35.8% | 40,000 | +33.3% | 0.45% | +63.0% |
| Q1 2016 | $1,275,000 | -33.5% | 30,000 | -43.8% | 0.28% | +16.5% |
| Q3 2014 | $1,916,000 | +46.7% | 53,405 | -7.0% | 0.24% | -20.5% |
| Q1 2014 | $1,306,000 | -32.6% | 57,435 | -37.9% | 0.30% | -44.8% |
| Q4 2013 | $1,939,000 | – | 92,435 | – | 0.54% | – |
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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% |