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 2020 | $3,000 | 0.0% | 50 | 0.0% | 0.00% | – |
| Q2 2020 | $3,000 | -25.0% | 50 | 0.0% | 0.00% | – |
| Q4 2019 | $4,000 | -99.9% | 50 | -99.8% | 0.00% | -100.0% |
| Q1 2018 | $4,955,000 | -67.5% | 29,019 | -66.1% | 0.20% | -66.0% |
| Q4 2017 | $15,225,000 | -39.6% | 85,488 | -53.4% | 0.59% | -42.8% |
| Q3 2017 | $25,205,000 | +22.3% | 183,512 | -6.5% | 1.02% | +19.0% |
| Q2 2017 | $20,608,000 | +254.8% | 196,174 | +207.0% | 0.86% | +261.8% |
| Q1 2017 | $5,808,000 | -42.9% | 63,896 | -61.3% | 0.24% | -45.2% |
| Q4 2016 | $10,177,000 | -59.8% | 164,940 | -55.8% | 0.43% | -61.5% |
| Q3 2016 | $25,319,000 | +201.3% | 373,554 | +92.4% | 1.13% | +178.3% |
| Q2 2016 | $8,404,000 | -24.2% | 194,144 | -25.6% | 0.40% | -25.0% |
| Q1 2016 | $11,087,000 | -25.0% | 260,879 | +13.3% | 0.54% | -22.6% |
| Q4 2015 | $14,787,000 | +147.7% | 230,252 | +230.0% | 0.70% | +123.7% |
| Q3 2015 | $5,969,000 | -41.9% | 69,769 | +14.4% | 0.31% | -36.2% |
| Q2 2015 | $10,265,000 | -6.3% | 60,967 | -26.1% | 0.49% | -11.1% |
| Q1 2015 | $10,958,000 | -45.5% | 82,524 | -62.3% | 0.55% | -48.4% |
| Q4 2014 | $20,091,000 | +109.4% | 219,046 | -18.1% | 1.07% | +87.0% |
| Q3 2014 | $9,594,000 | – | 267,390 | – | 0.57% | – |
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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% |