BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 194 filers reported holding BLUEBIRD BIO INC in Q3 2015. The put-call ratio across all filers is 1.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $111,874,000 | +11.9% | 1,813,191 | +22.9% | 0.02% | 0.0% |
| Q3 2016 | $100,002,000 | +66.6% | 1,475,395 | +6.4% | 0.02% | +61.5% |
| Q2 2016 | $60,010,000 | +83.3% | 1,386,229 | +80.0% | 0.01% | +62.5% |
| Q1 2016 | $32,731,000 | -33.9% | 770,134 | -0.1% | 0.01% | -27.3% |
| Q4 2015 | $49,523,000 | -31.0% | 771,142 | -8.1% | 0.01% | -42.1% |
| Q3 2015 | $71,768,000 | -37.9% | 838,902 | +22.3% | 0.02% | -32.1% |
| Q2 2015 | $115,515,000 | -12.8% | 686,076 | -37.4% | 0.03% | -12.5% |
| Q1 2015 | $132,445,000 | +52.2% | 1,096,674 | +15.6% | 0.03% | +45.5% |
| Q4 2014 | $87,029,000 | +179.9% | 948,851 | +9.5% | 0.02% | +144.4% |
| Q3 2014 | $31,094,000 | +6.1% | 866,616 | +14.0% | 0.01% | +12.5% |
| Q2 2014 | $29,310,000 | +166.6% | 759,913 | +57.2% | 0.01% | +166.7% |
| Q1 2014 | $10,996,000 | +13.6% | 483,547 | +4.8% | 0.00% | 0.0% |
| Q4 2013 | $9,683,000 | +86.5% | 461,513 | +139.6% | 0.00% | +50.0% |
| Q3 2013 | $5,192,000 | – | 192,587 | – | 0.00% | – |
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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% |