BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 196 filers reported holding BLUEBIRD BIO INC in Q4 2015. The put-call ratio across all filers is 1.25 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $319,000 | +10533.3% | 23,000 | -37.0% | 0.48% | +15900.0% |
| Q4 2016 | $3,000 | -97.3% | 36,500 | -38.1% | 0.00% | -96.6% |
| Q3 2016 | $112,000 | -19.4% | 59,000 | +56.2% | 0.09% | -25.2% |
| Q2 2016 | $139,000 | -10.3% | 37,760 | -6.8% | 0.12% | -26.5% |
| Q1 2016 | $155,000 | -81.7% | 40,500 | -67.1% | 0.16% | -74.1% |
| Q4 2015 | $847,000 | – | 123,121 | – | 0.62% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 1,964,000 | $59,215,000 | 1.36% |
| Birchview Capital, LP | 75,500 | $2,276,000 | 1.35% |
| Camber Capital Management LP | 1,000,000 | $30,150,000 | 1.04% |
| Sessa Capital IM, L.P. | 875,000 | $26,381,000 | 1.02% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $16,226,000 | 0.92% |
| Tarsadia Capital, LLC | 100,000 | $3,015,000 | 0.81% |
| Bullseye Asset Management LLC | 67,872 | $2,046,000 | 0.76% |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 1,304,246 | $39,323,000 | 0.58% |
| MANGROVE PARTNERS IM, LLC | 175,178 | $5,282,000 | 0.53% |
| Parametrica Management Ltd | 37,712 | $1,080,000 | 0.52% |