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 | $351,746 | -41.3% | 115,706 | -36.4% | 0.00% | -50.0% |
| Q2 2023 | $598,964 | -69.0% | 182,056 | -70.1% | 0.00% | -75.0% |
| Q1 2023 | $1,933,659 | -70.4% | 608,069 | -35.5% | 0.01% | -69.2% |
| Q4 2022 | $6,528,632 | +130.3% | 943,444 | +110.6% | 0.03% | +85.7% |
| Q3 2022 | $2,835,000 | +2454.1% | 447,878 | +1563.2% | 0.01% | +1300.0% |
| Q2 2022 | $111,000 | -91.5% | 26,928 | -34.1% | 0.00% | -80.0% |
| Q2 2021 | $1,307,000 | -67.9% | 40,877 | -69.8% | 0.01% | -79.2% |
| Q1 2021 | $4,077,000 | -20.9% | 135,236 | +13.5% | 0.02% | -36.8% |
| Q4 2020 | $5,157,000 | -4.5% | 119,177 | +19.1% | 0.04% | -47.9% |
| Q3 2020 | $5,399,000 | +170.2% | 100,075 | +205.8% | 0.07% | +128.1% |
| Q2 2020 | $1,998,000 | -84.9% | 32,728 | -78.4% | 0.03% | -59.5% |
| Q4 2019 | $13,266,000 | +323.2% | 151,181 | +378.4% | 0.08% | +119.4% |
| Q4 2018 | $3,135,000 | -81.4% | 31,601 | -70.5% | 0.04% | -83.9% |
| Q2 2018 | $16,820,000 | +230.6% | 107,165 | +259.6% | 0.22% | +175.3% |
| Q1 2018 | $5,088,000 | +450.6% | 29,800 | +238.6% | 0.08% | +350.0% |
| Q2 2017 | $924,000 | -8.1% | 8,800 | -20.4% | 0.02% | -35.7% |
| Q1 2017 | $1,005,000 | +48.2% | 11,059 | +10.6% | 0.03% | -37.8% |
| Q3 2016 | $678,000 | -6.2% | 10,000 | -41.2% | 0.04% | -19.6% |
| Q1 2016 | $723,000 | – | 17,000 | – | 0.06% | – |
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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% |