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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $23,457,000 | -50.3% | 2,348,000 | -5.0% | 0.38% | -52.0% |
| Q3 2021 | $47,240,000 | -19.5% | 2,472,000 | +34.6% | 0.80% | -23.9% |
| Q2 2021 | $58,715,000 | -0.8% | 1,836,000 | -6.5% | 1.05% | -22.7% |
| Q1 2021 | $59,215,000 | +55.9% | 1,964,000 | +123.7% | 1.36% | +5.3% |
| Q4 2020 | $37,991,000 | -12.0% | 878,000 | +9.8% | 1.29% | -17.5% |
| Q3 2020 | $43,160,000 | +24.5% | 800,000 | +40.8% | 1.57% | +3.0% |
| Q2 2020 | $34,671,000 | +16.4% | 568,000 | -12.3% | 1.52% | -17.4% |
| Q1 2020 | $29,782,000 | +1.0% | 648,000 | +92.9% | 1.84% | +8.3% |
| Q4 2019 | $29,484,000 | +131.8% | 336,000 | +236.0% | 1.70% | +112.1% |
| Q2 2019 | $12,720,000 | +18.9% | 100,000 | +47.1% | 0.80% | +36.9% |
| Q1 2019 | $10,698,000 | -16.7% | 68,000 | -22.7% | 0.59% | -24.0% |
| Q3 2018 | $12,848,000 | -54.5% | 88,000 | -51.1% | 0.77% | -58.2% |
| Q2 2018 | $28,251,000 | +175.8% | 180,000 | +200.0% | 1.84% | +135.3% |
| Q1 2018 | $10,245,000 | +64.3% | 60,000 | +71.4% | 0.78% | +26.0% |
| Q4 2017 | $6,234,000 | +19.4% | 35,000 | -7.9% | 0.62% | +1.1% |
| Q3 2017 | $5,219,000 | +77.5% | 38,000 | +35.7% | 0.62% | +64.0% |
| Q2 2017 | $2,941,000 | +34.8% | 28,000 | +16.7% | 0.38% | -16.9% |
| Q1 2017 | $2,182,000 | -11.6% | 24,000 | -40.0% | 0.45% | -22.8% |
| Q4 2016 | $2,468,000 | -40.6% | 40,000 | -58.3% | 0.58% | -63.1% |
| Q2 2016 | $4,156,000 | – | 96,000 | – | 1.58% | – |
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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% |