BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 179 filers reported holding BLUEBIRD BIO INC in Q2 2016. The put-call ratio across all filers is 1.01 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 ↓ |
|---|---|---|---|
| Monashee Investment Management LLC | 125,000 | $13,131,000 | 5.55% |
| Cormorant Asset Management, LP | 275,000 | $28,889,000 | 4.79% |
| Eventide Asset Management | 569,700 | $59,847,000 | 3.73% |
| Crosspoint Capital Strategies, LLC | 28,937 | $3,040,000 | 2.66% |
| Casdin Capital, LLC | 65,000 | $6,828,000 | 2.53% |
| ARK Investment Management | 119,683 | $12,573,000 | 2.45% |
| RTW INVESTMENTS, LP | 104,383 | $10,965,000 | 2.31% |
| Taylor Wealth Management Partners | 38,368 | $4,031,000 | 1.82% |
| First Light Asset Management, LLC | 33,780 | $3,549,000 | 1.19% |
| Atika Capital Management LLC | 25,000 | $2,627,000 | 0.92% |