BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 166 filers reported holding BLUEBIRD BIO INC in Q3 2023. The put-call ratio across all filers is 0.94 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $92 | -3.2% | 30,220 | +4.8% | 0.00% | 0.0% |
| Q2 2023 | $95 | -5.9% | 28,847 | -9.0% | 0.00% | 0.0% |
| Q1 2023 | $101 | -38.0% | 31,706 | +34.9% | 0.00% | 0.0% |
| Q4 2022 | $163 | -99.8% | 23,502 | +65.4% | 0.00% | – |
| Q1 2022 | $69,000 | -46.1% | 14,212 | +10.9% | 0.00% | -100.0% |
| Q4 2021 | $128,000 | -38.2% | 12,817 | +18.5% | 0.00% | 0.0% |
| Q3 2021 | $207,000 | -25.0% | 10,813 | +25.4% | 0.00% | -50.0% |
| Q2 2021 | $276,000 | +24.9% | 8,625 | +17.7% | 0.00% | +100.0% |
| Q1 2021 | $221,000 | -14.3% | 7,326 | +22.6% | 0.00% | -50.0% |
| Q4 2020 | $258,000 | +28.4% | 5,974 | +60.2% | 0.00% | +100.0% |
| Q3 2020 | $201,000 | -78.1% | 3,729 | -40.7% | 0.00% | -83.3% |
| Q3 2018 | $919,000 | -42.2% | 6,293 | -37.9% | 0.01% | -40.0% |
| Q2 2018 | $1,591,000 | -14.6% | 10,140 | -7.0% | 0.01% | -23.1% |
| Q1 2018 | $1,862,000 | -32.0% | 10,903 | -29.1% | 0.01% | -27.8% |
| Q4 2017 | $2,740,000 | +441.5% | 15,383 | +317.2% | 0.02% | +500.0% |
| Q3 2017 | $506,000 | +48.4% | 3,687 | +13.4% | 0.00% | +50.0% |
| Q2 2017 | $341,000 | +17.2% | 3,250 | +1.7% | 0.00% | 0.0% |
| Q1 2017 | $291,000 | +6.2% | 3,197 | -20.9% | 0.00% | 0.0% |
| Q3 2016 | $274,000 | +24.0% | 4,043 | -20.9% | 0.00% | 0.0% |
| Q2 2016 | $221,000 | +27.7% | 5,114 | +25.3% | 0.00% | +100.0% |
| Q1 2016 | $173,000 | -13.5% | 4,080 | +31.2% | 0.00% | 0.0% |
| Q4 2015 | $200,000 | -40.8% | 3,109 | -21.4% | 0.00% | -66.7% |
| Q3 2015 | $338,000 | +93.1% | 3,956 | +279.7% | 0.00% | +200.0% |
| Q2 2015 | $175,000 | +78.6% | 1,042 | +28.5% | 0.00% | 0.0% |
| Q1 2015 | $98,000 | +78.2% | 811 | +36.1% | 0.00% | – |
| Q4 2014 | $55,000 | +120.0% | 596 | -14.7% | 0.00% | – |
| Q3 2014 | $25,000 | +13.6% | 699 | +24.8% | 0.00% | – |
| Q2 2014 | $22,000 | +69.2% | 560 | 0.0% | 0.00% | – |
| Q1 2014 | $13,000 | +116.7% | 560 | +110.5% | 0.00% | – |
| Q4 2013 | $6,000 | – | 266 | – | 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% |