BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 281 filers reported holding BLUEBIRD BIO INC in Q2 2020. The put-call ratio across all filers is 1.27 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $0 | -100.0% | 13 | -99.6% | 0.00% | -100.0% |
| Q1 2021 | $108,000 | 0.0% | 3,588 | +44.0% | 0.14% | -3.5% |
| Q4 2020 | $108,000 | +40.3% | 2,492 | +75.0% | 0.14% | +19.5% |
| Q3 2020 | $77,000 | -38.9% | 1,424 | -27.2% | 0.12% | -28.9% |
| Q2 2020 | $126,000 | +77.5% | 1,955 | +27.1% | 0.17% | +7.1% |
| Q1 2020 | $71,000 | +44.9% | 1,538 | +174.6% | 0.16% | +222.9% |
| Q4 2019 | $49,000 | -31.0% | 560 | -28.9% | 0.05% | -32.4% |
| Q3 2019 | $71,000 | +255.0% | 788 | +398.7% | 0.07% | +238.1% |
| Q2 2019 | $20,000 | +566.7% | 158 | +731.6% | 0.02% | +425.0% |
| Q1 2019 | $3,000 | -97.3% | 19 | -98.3% | 0.00% | -97.9% |
| Q4 2018 | $111,000 | -22.4% | 1,123 | +14.4% | 0.19% | -12.0% |
| Q3 2018 | $143,000 | +14200.0% | 982 | +10811.1% | 0.22% | +21500.0% |
| Q2 2018 | $1,000 | -99.7% | 9 | -99.5% | 0.00% | -99.8% |
| Q1 2018 | $287,000 | +112.6% | 1,656 | +117.0% | 0.45% | +184.3% |
| Q4 2017 | $135,000 | – | 763 | – | 0.16% | – |
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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% |