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 | $2,106,358 | +67.1% | 692,881 | +80.8% | 0.00% | 0.0% |
| Q2 2023 | $1,260,698 | +88.9% | 383,191 | +82.6% | 0.00% | – |
| Q1 2023 | $667,488 | -48.1% | 209,902 | +13.0% | 0.00% | -100.0% |
| Q4 2022 | $1,285,625 | +546.0% | 185,784 | +490.1% | 0.00% | – |
| Q3 2022 | $199,000 | +44.2% | 31,486 | -5.5% | 0.00% | – |
| Q2 2022 | $138,000 | -32.4% | 33,327 | -21.0% | 0.00% | – |
| Q1 2022 | $204,000 | -55.8% | 42,178 | -8.9% | 0.00% | – |
| Q4 2021 | $462,000 | -76.9% | 46,301 | -55.8% | 0.00% | -100.0% |
| Q3 2021 | $2,002,000 | +8.3% | 104,740 | +81.1% | 0.00% | 0.0% |
| Q2 2021 | $1,849,000 | +86.0% | 57,830 | +75.5% | 0.00% | 0.0% |
| Q1 2021 | $994,000 | -79.2% | 32,948 | -70.1% | 0.00% | -66.7% |
| Q4 2020 | $4,774,000 | -72.2% | 110,360 | -65.4% | 0.00% | -75.0% |
| Q3 2020 | $17,195,000 | -15.1% | 318,732 | -3.9% | 0.01% | -20.0% |
| Q2 2020 | $20,250,000 | +15.3% | 331,737 | -13.2% | 0.02% | -6.2% |
| Q1 2020 | $17,563,000 | -39.0% | 382,122 | +16.4% | 0.02% | -15.8% |
| Q4 2019 | $28,792,000 | +8.6% | 328,152 | +13.6% | 0.02% | +5.6% |
| Q3 2019 | $26,521,000 | -32.3% | 288,867 | -6.2% | 0.02% | -21.7% |
| Q2 2019 | $39,157,000 | -9.6% | 307,861 | +11.8% | 0.02% | -11.5% |
| Q1 2019 | $43,310,000 | +63.1% | 275,298 | +2.8% | 0.03% | +36.8% |
| Q4 2018 | $26,562,000 | -60.5% | 267,788 | -41.8% | 0.02% | -5.0% |
| Q3 2018 | $67,214,000 | -13.9% | 460,389 | -7.5% | 0.02% | -9.1% |
| Q2 2018 | $78,093,000 | +18.3% | 497,593 | +28.7% | 0.02% | -29.0% |
| Q1 2018 | $65,989,000 | +1.8% | 386,483 | +6.2% | 0.03% | -26.2% |
| Q4 2017 | $64,820,000 | +82.9% | 363,972 | +41.0% | 0.04% | +75.0% |
| Q3 2017 | $35,448,000 | +30.9% | 258,103 | +0.1% | 0.02% | +26.3% |
| Q2 2017 | $27,083,000 | -1.1% | 257,829 | -14.4% | 0.02% | -5.0% |
| Q1 2017 | $27,386,000 | +42.9% | 301,313 | -3.0% | 0.02% | +33.3% |
| Q4 2016 | $19,171,000 | -26.0% | 310,756 | -18.7% | 0.02% | -16.7% |
| Q3 2016 | $25,896,000 | +36.0% | 382,110 | -13.1% | 0.02% | +38.5% |
| Q2 2016 | $19,035,000 | +21.3% | 439,780 | +19.1% | 0.01% | +8.3% |
| Q1 2016 | $15,688,000 | -43.1% | 369,195 | -14.1% | 0.01% | -36.8% |
| Q4 2015 | $27,590,000 | -13.4% | 429,645 | +15.4% | 0.02% | -24.0% |
| Q3 2015 | $31,847,000 | -63.4% | 372,316 | -27.9% | 0.02% | -54.5% |
| Q2 2015 | $86,935,000 | +457.9% | 516,341 | +300.1% | 0.06% | +450.0% |
| Q1 2015 | $15,583,000 | +16.7% | 129,055 | -11.4% | 0.01% | +25.0% |
| Q4 2014 | $13,357,000 | +154.8% | 145,641 | -0.4% | 0.01% | +166.7% |
| Q3 2014 | $5,243,000 | +28.7% | 146,170 | +38.4% | 0.00% | 0.0% |
| Q2 2014 | $4,073,000 | +62.9% | 105,633 | -4.0% | 0.00% | +50.0% |
| Q1 2014 | $2,500,000 | +646.3% | 110,023 | +588.1% | 0.00% | – |
| Q4 2013 | $335,000 | -64.4% | 15,990 | -54.3% | 0.00% | -100.0% |
| Q3 2013 | $942,000 | – | 34,958 | – | 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% |