BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 211 filers reported holding BLUEBIRD BIO INC in Q4 2016. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $1,051,000 | +7.9% | 7,199 | +16.0% | 0.00% | 0.0% |
| Q2 2018 | $974,000 | +20.5% | 6,208 | +31.2% | 0.00% | 0.0% |
| Q1 2018 | $808,000 | -95.7% | 4,730 | -95.6% | 0.00% | -95.5% |
| Q4 2017 | $18,943,000 | +2878.5% | 106,361 | +932.6% | 0.02% | +2100.0% |
| Q4 2016 | $636,000 | -26.7% | 10,300 | -19.5% | 0.00% | 0.0% |
| Q3 2016 | $868,000 | +132.1% | 12,800 | +45.5% | 0.00% | 0.0% |
| Q1 2016 | $374,000 | -64.2% | 8,800 | +41.9% | 0.00% | 0.0% |
| Q2 2015 | $1,044,000 | +83.8% | 6,200 | +31.9% | 0.00% | 0.0% |
| Q1 2015 | $568,000 | 0.0% | 4,700 | -24.2% | 0.00% | 0.0% |
| Q4 2014 | $568,000 | – | 6,200 | – | 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% |