BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q3 2020. The put-call ratio across all filers is 0.95 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $652,086 | -40.0% | 214,502 | -35.1% | 0.00% | 0.0% |
| Q2 2023 | $1,086,677 | -44.2% | 330,297 | -46.1% | 0.00% | -66.7% |
| Q1 2023 | $1,947,725 | +34.1% | 612,492 | +191.9% | 0.00% | +50.0% |
| Q4 2022 | $1,452,197 | -99.9% | 209,855 | -36.3% | 0.00% | -33.3% |
| Q3 2022 | $2,085,292,000 | +171.0% | 329,430 | +77.2% | 0.00% | +200.0% |
| Q2 2022 | $769,605,000 | -38.8% | 185,895 | -28.3% | 0.00% | -50.0% |
| Q1 2022 | $1,257,668,000 | -57.6% | 259,313 | -12.7% | 0.00% | -50.0% |
| Q4 2021 | $2,966,980,000 | +57.0% | 296,995 | +200.3% | 0.00% | +33.3% |
| Q3 2021 | $1,889,711,000 | -22.7% | 98,886 | +29.4% | 0.00% | 0.0% |
| Q2 2021 | $2,443,848,000 | +60.3% | 76,418 | +51.1% | 0.00% | +50.0% |
| Q1 2021 | $1,524,957,000 | -38.1% | 50,579 | -11.1% | 0.00% | -60.0% |
| Q4 2020 | $2,462,106,000 | +51.0% | 56,901 | +88.3% | 0.01% | +150.0% |
| Q3 2020 | $1,630,531,000 | +47.2% | 30,223 | +66.6% | 0.00% | 0.0% |
| Q2 2020 | $1,107,510,000 | -24.1% | 18,144 | -42.9% | 0.00% | -33.3% |
| Q1 2020 | $1,460,103,000 | +18.2% | 31,769 | +125.6% | 0.00% | +50.0% |
| Q4 2019 | $1,235,783,000 | -79.0% | 14,083 | -78.0% | 0.00% | -80.0% |
| Q3 2019 | $5,872,073,000 | +133.0% | 63,952 | +222.7% | 0.01% | +100.0% |
| Q2 2019 | $2,520,595,000 | +25.5% | 19,816 | +55.2% | 0.01% | +25.0% |
| Q1 2019 | $2,008,317,000 | +9.5% | 12,765 | -30.9% | 0.00% | 0.0% |
| Q4 2018 | $1,833,514,000 | +1.5% | 18,483 | +49.5% | 0.00% | +33.3% |
| Q3 2018 | $1,805,582,000 | +6.2% | 12,367 | +14.2% | 0.00% | 0.0% |
| Q2 2018 | $1,700,239,000 | -53.2% | 10,833 | -49.1% | 0.00% | -57.1% |
| Q1 2018 | $3,633,048,000 | +103.0% | 21,277 | +111.7% | 0.01% | +133.3% |
| Q4 2017 | $1,789,727,000 | +139.4% | 10,049 | +84.6% | 0.00% | +50.0% |
| Q3 2017 | $747,733,000 | +39.2% | 5,444 | +6.5% | 0.00% | 0.0% |
| Q2 2017 | $537,226,000 | +610.3% | 5,114 | +514.7% | 0.00% | – |
| Q1 2017 | $75,629,000 | -57.2% | 832 | -71.0% | 0.00% | -100.0% |
| Q4 2016 | $176,832,000 | -15.4% | 2,866 | -7.1% | 0.00% | 0.0% |
| Q3 2016 | $209,034,000 | +229.6% | 3,084 | +110.5% | 0.00% | – |
| Q2 2016 | $63,420,000 | +268.4% | 1,465 | +261.7% | 0.00% | – |
| Q1 2016 | $17,213,000 | -66.2% | 405 | -49.0% | 0.00% | – |
| Q4 2015 | $50,990,000 | -73.6% | 794 | -64.9% | 0.00% | – |
| Q3 2015 | $193,257,000 | +64.2% | 2,259 | +223.2% | 0.00% | – |
| Q2 2015 | $117,691,000 | +109.1% | 699 | +50.0% | 0.00% | – |
| Q1 2015 | $56,279,000 | +22.6% | 466 | -63.6% | 0.00% | – |
| Q3 2014 | $45,891,000 | +604.1% | 1,279 | +656.8% | 0.00% | – |
| Q2 2014 | $6,518,000 | +789.2% | 169 | +356.8% | 0.00% | – |
| Q1 2014 | $733,000 | +16.5% | 37 | +23.3% | 0.00% | – |
| Q4 2013 | $629,000 | – | 30 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 5,910,687 | $24,470,000 | 3.71% |
| Monaco Asset Management SAM | 306,142 | $1,267,000 | 0.55% |
| Parametrica Management Ltd | 90,105 | $374,000 | 0.41% |
| Kamunting Street Capital Management, L.P. | 55,200 | $229,000 | 0.31% |
| Birchview Capital, LP | 98,000 | $406,000 | 0.30% |
| Kamunting Street Capital Management, L.P. | 35,000 | $145,000 | 0.20% |
| PDT Partners, LLC | 519,477 | $2,151,000 | 0.19% |
| Graham Capital Management, L.P. | 781,912 | $3,237,000 | 0.13% |
| CAXTON ASSOCIATES LP | 220,154 | $911,000 | 0.09% |
| Baker Brothers Advisors | 2,499,715 | $10,349,000 | 0.06% |