BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 124 filers reported holding BLUEBIRD BIO INC in Q3 2014. The put-call ratio across all filers is 0.26 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $7,777,000 | +18.4% | 56,625 | -9.4% | 0.03% | +19.2% |
| Q2 2017 | $6,569,000 | +24.0% | 62,530 | +7.3% | 0.03% | +23.8% |
| Q1 2017 | $5,298,000 | +21.6% | 58,286 | -17.5% | 0.02% | +16.7% |
| Q4 2016 | $4,357,000 | -7.6% | 70,617 | +1.5% | 0.02% | -10.0% |
| Q3 2016 | $4,714,000 | +51.9% | 69,549 | -3.0% | 0.02% | +53.8% |
| Q2 2016 | $3,103,000 | +79.0% | 71,671 | +75.7% | 0.01% | +62.5% |
| Q1 2016 | $1,734,000 | -33.8% | 40,800 | 0.0% | 0.01% | -27.3% |
| Q4 2015 | $2,620,000 | +5.7% | 40,800 | +40.8% | 0.01% | 0.0% |
| Q3 2015 | $2,478,000 | -40.4% | 28,970 | +17.3% | 0.01% | -35.3% |
| Q2 2015 | $4,157,000 | -45.1% | 24,690 | -60.6% | 0.02% | -45.2% |
| Q1 2015 | $7,568,000 | +27.5% | 62,664 | -3.2% | 0.03% | +24.0% |
| Q4 2014 | $5,937,000 | +891.2% | 64,726 | +287.5% | 0.02% | +733.3% |
| Q3 2014 | $599,000 | +6.4% | 16,704 | +14.4% | 0.00% | +50.0% |
| Q2 2014 | $563,000 | +369.2% | 14,605 | +177.4% | 0.00% | +100.0% |
| Q1 2014 | $120,000 | +10.1% | 5,265 | +1.8% | 0.00% | – |
| Q4 2013 | $109,000 | +98.2% | 5,173 | +154.5% | 0.00% | – |
| Q3 2013 | $55,000 | – | 2,033 | – | 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% |