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 | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $46,445 | +2.4% | 14,117 | -1.0% | 0.00% | – |
| Q1 2023 | $45,344 | -50.6% | 14,259 | +7.5% | 0.00% | – |
| Q4 2022 | $91,752 | +6.7% | 13,259 | -2.5% | 0.00% | – |
| Q3 2022 | $86,000 | +72.0% | 13,604 | +32.7% | 0.00% | – |
| Q1 2022 | $50,000 | -93.9% | 10,254 | -45.8% | 0.00% | -100.0% |
| Q4 2020 | $818,000 | -40.0% | 18,909 | -25.1% | 0.00% | -50.0% |
| Q3 2020 | $1,363,000 | +13.5% | 25,261 | +28.4% | 0.00% | 0.0% |
| Q2 2020 | $1,201,000 | +278.9% | 19,676 | +184.8% | 0.00% | +100.0% |
| Q1 2020 | $317,000 | -45.6% | 6,908 | +3.9% | 0.00% | 0.0% |
| Q4 2019 | $583,000 | +32.8% | 6,649 | +39.2% | 0.00% | 0.0% |
| Q3 2019 | $439,000 | -21.9% | 4,777 | +8.2% | 0.00% | 0.0% |
| Q2 2019 | $562,000 | -15.1% | 4,415 | +5.0% | 0.00% | 0.0% |
| Q1 2019 | $662,000 | +109.5% | 4,205 | +31.8% | 0.00% | 0.0% |
| Q4 2018 | $316,000 | -10.5% | 3,190 | +32.0% | 0.00% | 0.0% |
| Q3 2018 | $353,000 | -38.6% | 2,416 | -34.1% | 0.00% | 0.0% |
| Q2 2018 | $575,000 | -15.8% | 3,666 | -8.3% | 0.00% | 0.0% |
| Q1 2018 | $683,000 | -20.1% | 3,998 | -16.7% | 0.00% | -50.0% |
| Q4 2017 | $855,000 | +65.7% | 4,801 | +27.8% | 0.00% | +100.0% |
| Q3 2017 | $516,000 | +149.3% | 3,756 | +90.2% | 0.00% | – |
| Q2 2017 | $207,000 | -6.3% | 1,975 | -18.7% | 0.00% | -100.0% |
| Q1 2017 | $221,000 | – | 2,429 | – | 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% |