BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2023. The put-call ratio across all filers is 0.92 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $4,533,889 | -25.0% | 1,491,411 | -18.8% | 0.03% | -20.6% |
| Q2 2023 | $6,045,250 | +11.3% | 1,837,462 | +7.6% | 0.03% | -8.1% |
| Q1 2023 | $5,432,849 | -32.5% | 1,708,443 | +46.9% | 0.04% | -44.8% |
| Q4 2022 | $8,049,088 | +31.0% | 1,163,163 | +19.8% | 0.07% | +3.1% |
| Q3 2022 | $6,144,000 | +465.7% | 970,584 | +270.1% | 0.06% | +550.0% |
| Q2 2022 | $1,086,000 | -77.1% | 262,261 | -73.2% | 0.01% | -64.3% |
| Q1 2022 | $4,749,000 | -19.2% | 979,122 | +66.4% | 0.03% | -9.7% |
| Q4 2021 | $5,879,000 | +76.5% | 588,528 | +237.7% | 0.03% | +34.8% |
| Q3 2021 | $3,330,000 | +29.3% | 174,274 | +116.4% | 0.02% | +43.8% |
| Q2 2021 | $2,576,000 | -58.8% | 80,535 | -61.1% | 0.02% | -62.8% |
| Q1 2021 | $6,248,000 | +263.0% | 207,220 | +421.0% | 0.04% | +152.9% |
| Q4 2020 | $1,721,000 | -21.9% | 39,772 | -2.6% | 0.02% | -37.0% |
| Q3 2020 | $2,204,000 | +141.7% | 40,846 | +173.3% | 0.03% | +107.7% |
| Q2 2020 | $912,000 | +286.4% | 14,944 | +190.6% | 0.01% | +30.0% |
| Q1 2020 | $236,000 | -93.8% | 5,142 | -88.2% | 0.01% | -83.1% |
| Q4 2019 | $3,836,000 | -32.4% | 43,712 | -29.3% | 0.06% | -33.7% |
| Q3 2019 | $5,678,000 | +6.2% | 61,835 | +47.1% | 0.09% | -5.3% |
| Q2 2019 | $5,345,000 | -4.9% | 42,024 | +17.6% | 0.09% | +4.4% |
| Q1 2019 | $5,620,000 | – | 35,723 | – | 0.09% | – |
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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% |