BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 272 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $134,605 | +34.1% | 44,278 | +45.1% | 0.00% | – |
| Q2 2023 | $100,388 | +116.1% | 30,513 | +106.3% | 0.00% | – |
| Q1 2023 | $46,450 | -67.2% | 14,793 | -27.8% | 0.00% | – |
| Q4 2022 | $141,825 | -98.5% | 20,495 | -88.4% | 0.00% | -100.0% |
| Q3 2020 | $9,506,000 | -11.5% | 176,200 | +0.1% | 0.01% | -20.0% |
| Q2 2020 | $10,745,000 | +32.9% | 176,038 | +0.1% | 0.01% | 0.0% |
| Q1 2020 | $8,087,000 | -81.6% | 175,948 | -64.8% | 0.01% | -76.2% |
| Q4 2019 | $43,889,000 | +3.3% | 500,155 | +8.1% | 0.04% | -2.3% |
| Q3 2019 | $42,468,000 | -36.1% | 462,513 | -11.5% | 0.04% | -34.8% |
| Q2 2019 | $66,496,000 | -12.4% | 522,765 | +8.3% | 0.07% | -14.3% |
| Q1 2019 | $75,951,000 | +68.5% | 482,751 | +6.3% | 0.08% | +51.0% |
| Q4 2018 | $45,067,000 | -4.2% | 454,308 | +41.1% | 0.05% | +10.9% |
| Q3 2018 | $47,024,000 | +55.8% | 322,080 | +67.5% | 0.05% | +53.3% |
| Q2 2018 | $30,186,000 | -8.6% | 192,331 | -0.6% | 0.03% | -11.8% |
| Q1 2018 | $33,031,000 | -20.8% | 193,447 | -17.4% | 0.03% | -19.0% |
| Q4 2017 | $41,715,000 | +33.8% | 234,220 | +3.2% | 0.04% | +31.2% |
| Q3 2017 | $31,170,000 | +4078.3% | 226,935 | +1778.0% | 0.03% | +3100.0% |
| Q4 2016 | $746,000 | -39.9% | 12,084 | -34.0% | 0.00% | 0.0% |
| Q3 2016 | $1,242,000 | +368.7% | 18,321 | +344.1% | 0.00% | – |
| Q4 2015 | $265,000 | -97.7% | 4,125 | -97.0% | 0.00% | -100.0% |
| Q3 2015 | $11,591,000 | -46.0% | 135,493 | +6.2% | 0.01% | -41.7% |
| Q2 2015 | $21,477,000 | +888.4% | 127,561 | +609.0% | 0.02% | +1100.0% |
| Q1 2015 | $2,173,000 | +26.7% | 17,992 | -3.8% | 0.00% | 0.0% |
| Q4 2014 | $1,715,000 | – | 18,693 | – | 0.00% | – |
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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% |