BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 303 filers reported holding BLUEBIRD BIO INC in Q4 2017. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $67,411 | -23.1% | 68,493 | 0.0% | 0.00% | 0.0% |
| Q1 2024 | $87,671 | +12605.9% | 68,493 | +13598.6% | 0.00% | – |
| Q4 2023 | $690 | +69.1% | 500 | +303.2% | 0.00% | – |
| Q2 2023 | $408 | -94.2% | 124 | +49.4% | 0.00% | – |
| Q4 2019 | $7,000 | -87.7% | 83 | -76.9% | 0.00% | -100.0% |
| Q2 2018 | $57,000 | -6.6% | 360 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $61,000 | -4.7% | 360 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $64,000 | +30.6% | 360 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $49,000 | +28.9% | 360 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $38,000 | +280.0% | 360 | +138.4% | 0.00% | – |
| Q4 2015 | $10,000 | – | 151 | – | 0.00% | – |
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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% |
| TURNER INVESTMENTS LLC | 21,020 | $1,297,000 | 0.52% |