BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 filers reported holding BLUEBIRD BIO INC in Q3 2021. The put-call ratio across all filers is 1.22 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $97,460 | +56.2% | 29,623 | +51.0% | 0.00% | – |
| Q1 2023 | $62,401 | -54.0% | 19,623 | 0.0% | 0.00% | -100.0% |
| Q4 2022 | $135,791 | +102.7% | 19,623 | +85.1% | 0.00% | 0.0% |
| Q3 2022 | $67,000 | +48.9% | 10,600 | -1.9% | 0.00% | – |
| Q2 2022 | $45,000 | -27.4% | 10,800 | -14.9% | 0.00% | -100.0% |
| Q1 2022 | $62,000 | -42.6% | 12,686 | +16.9% | 0.00% | -50.0% |
| Q4 2021 | $108,000 | -58.1% | 10,849 | +34.6% | 0.00% | -66.7% |
| Q2 2021 | $258,000 | +6.2% | 8,060 | +0.1% | 0.01% | 0.0% |
| Q1 2021 | $243,000 | -17.3% | 8,050 | +18.6% | 0.01% | -33.3% |
| Q4 2020 | $294,000 | -6.4% | 6,786 | +16.5% | 0.01% | -30.8% |
| Q3 2020 | $314,000 | -8.7% | 5,825 | +3.3% | 0.01% | -31.6% |
| Q2 2020 | $344,000 | +32.8% | 5,639 | +0.2% | 0.02% | +18.8% |
| Q1 2020 | $259,000 | -48.8% | 5,630 | -2.4% | 0.02% | -38.5% |
| Q4 2019 | $506,000 | -0.4% | 5,770 | +4.2% | 0.03% | -13.3% |
| Q3 2019 | $508,000 | -27.4% | 5,538 | +0.7% | 0.03% | -31.8% |
| Q2 2019 | $700,000 | -20.7% | 5,500 | -2.0% | 0.04% | -25.4% |
| Q1 2019 | $883,000 | +58.8% | 5,613 | +0.2% | 0.06% | +59.5% |
| Q4 2018 | $556,000 | +51.5% | 5,601 | +123.1% | 0.04% | +48.0% |
| Q3 2018 | $367,000 | +54.9% | 2,511 | +66.2% | 0.02% | +38.9% |
| Q2 2018 | $237,000 | -8.8% | 1,511 | -0.6% | 0.02% | -10.0% |
| Q1 2018 | $260,000 | -34.5% | 1,520 | -31.7% | 0.02% | -25.9% |
| Q4 2017 | $397,000 | +67.5% | 2,227 | +29.0% | 0.03% | +58.8% |
| Q3 2017 | $237,000 | – | 1,727 | – | 0.02% | – |
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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% |