BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 240 filers reported holding BLUEBIRD BIO INC in Q2 2015. The put-call ratio across all filers is 1.07 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $743,000 | -19.2% | 5,840 | 0.0% | 1.10% | -11.7% |
| Q1 2019 | $919,000 | +239.1% | 5,840 | +113.6% | 1.24% | +108.9% |
| Q4 2018 | $271,000 | -4.6% | 2,734 | +40.6% | 0.60% | -12.1% |
| Q3 2018 | $284,000 | +10.9% | 1,945 | +19.3% | 0.68% | +22.2% |
| Q2 2018 | $256,000 | +13.3% | 1,631 | +23.0% | 0.56% | +25.3% |
| Q1 2018 | $226,000 | -68.8% | 1,326 | -77.9% | 0.44% | -27.1% |
| Q1 2015 | $725,000 | – | 6,000 | – | 0.61% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 82,500 | $5,090,000 | 4.20% |
| RTW INVESTMENTS, LP | 122,576 | $7,563,000 | 2.85% |
| Eventide Asset Management | 587,677 | $36,260,000 | 2.36% |
| First Light Asset Management, LLC | 71,246 | $4,396,000 | 1.93% |
| ARK Investment Management | 75,645 | $4,667,000 | 1.70% |
| Taylor Wealth Management Partners | 39,118 | $2,414,000 | 1.12% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 302,027 | $18,635,000 | 0.77% |
| ARMISTICE CAPITAL, LLC | 40,000 | $2,468,000 | 0.58% |
| Artal Group S.A. | 422,536 | $26,070,000 | 0.58% |
| Baillie Gifford | 5,164,467 | $318,647,000 | 0.52% |