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 | $165,762 | -7.6% | 54,527 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $179,394 | +3.5% | 54,527 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $173,395 | -42.6% | 54,527 | +25.0% | 0.00% | -50.0% |
| Q4 2022 | $301,843 | +25.4% | 43,619 | +14.8% | 0.00% | 0.0% |
| Q3 2022 | $240,616 | +52.9% | 38,012 | 0.0% | 0.00% | +100.0% |
| Q2 2022 | $157,370 | +115.1% | 38,012 | +152.0% | 0.00% | – |
| Q1 2022 | $73,153 | -70.1% | 15,083 | -38.4% | 0.00% | -100.0% |
| Q4 2021 | $244,715 | -47.7% | 24,496 | 0.0% | 0.00% | -50.0% |
| Q3 2021 | $468,119 | -40.2% | 24,496 | 0.0% | 0.00% | -42.9% |
| Q2 2021 | $783,382 | +6628.9% | 24,496 | +33002.7% | 0.01% | – |
| Q1 2019 | $11,642 | +58.6% | 74 | 0.0% | 0.00% | – |
| Q4 2018 | $7,341 | -33.0% | 74 | -1.3% | 0.00% | – |
| Q3 2018 | $10,950 | -99.7% | 75 | -99.7% | 0.00% | -100.0% |
| Q4 2017 | $3,935,000 | – | 22,095 | – | 0.04% | – |
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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% |