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 | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $39,000 | -98.5% | 714 | -98.3% | 0.01% | -98.8% |
| Q2 2020 | $2,566,000 | +33.5% | 42,030 | +0.5% | 0.81% | -8.2% |
| Q1 2020 | $1,922,000 | -49.4% | 41,824 | -3.4% | 0.88% | -46.9% |
| Q4 2019 | $3,801,000 | +30.2% | 43,312 | +36.2% | 1.65% | +14.8% |
| Q3 2019 | $2,920,000 | -26.0% | 31,803 | +2.5% | 1.44% | -27.3% |
| Q2 2019 | $3,948,000 | -16.9% | 31,035 | +2.8% | 1.98% | -20.9% |
| Q1 2019 | $4,749,000 | +765.0% | 30,182 | +445.7% | 2.51% | +610.2% |
| Q4 2018 | $549,000 | -85.7% | 5,531 | -78.9% | 0.35% | -81.1% |
| Q3 2018 | $3,835,000 | +8.6% | 26,266 | +16.7% | 1.86% | -5.4% |
| Q2 2018 | $3,532,000 | +18.1% | 22,501 | +28.4% | 1.97% | +12.9% |
| Q1 2018 | $2,991,000 | +1.9% | 17,518 | +6.3% | 1.75% | -9.7% |
| Q4 2017 | $2,935,000 | – | 16,477 | – | 1.93% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sessa Capital IM, L.P. | 1,834,965 | $35,066,000 | 1.72% |
| Birchview Capital, LP | 84,000 | $1,605,000 | 1.09% |
| ARMISTICE CAPITAL, LLC | 2,472,000 | $47,240,000 | 0.80% |
| EcoR1 Capital, LLC | 802,507 | $15,336,000 | 0.53% |
| Parametrica Management Ltd | 36,919 | $706,000 | 0.53% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $7,239,000 | 0.45% |
| APPLETON GROUP, LLC | 19,495 | $373,000 | 0.32% |
| MANGROVE PARTNERS IM, LLC | 175,587 | $3,355,000 | 0.30% |
| Quinn Opportunity Partners LLC | 230,100 | $4,397,000 | 0.28% |
| PDT Partners, LLC | 171,700 | $3,281,000 | 0.24% |