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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $23,457,000 | -50.3% | 2,348,000 | -5.0% | 0.38% | -52.0% |
| Q3 2021 | $47,240,000 | -19.5% | 2,472,000 | +34.6% | 0.80% | -23.9% |
| Q2 2021 | $58,715,000 | -0.8% | 1,836,000 | -6.5% | 1.05% | -22.7% |
| Q1 2021 | $59,215,000 | +55.9% | 1,964,000 | +123.7% | 1.36% | +5.3% |
| Q4 2020 | $37,991,000 | -12.0% | 878,000 | +9.8% | 1.29% | -17.5% |
| Q3 2020 | $43,160,000 | +24.5% | 800,000 | +40.8% | 1.57% | +3.0% |
| Q2 2020 | $34,671,000 | +16.4% | 568,000 | -12.3% | 1.52% | -17.4% |
| Q1 2020 | $29,782,000 | +1.0% | 648,000 | +92.9% | 1.84% | +8.3% |
| Q4 2019 | $29,484,000 | +131.8% | 336,000 | +236.0% | 1.70% | +112.1% |
| Q2 2019 | $12,720,000 | +18.9% | 100,000 | +47.1% | 0.80% | +36.9% |
| Q1 2019 | $10,698,000 | -16.7% | 68,000 | -22.7% | 0.59% | -24.0% |
| Q3 2018 | $12,848,000 | -54.5% | 88,000 | -51.1% | 0.77% | -58.2% |
| Q2 2018 | $28,251,000 | +175.8% | 180,000 | +200.0% | 1.84% | +135.3% |
| Q1 2018 | $10,245,000 | +64.3% | 60,000 | +71.4% | 0.78% | +26.0% |
| Q4 2017 | $6,234,000 | +19.4% | 35,000 | -7.9% | 0.62% | +1.1% |
| Q3 2017 | $5,219,000 | +77.5% | 38,000 | +35.7% | 0.62% | +64.0% |
| Q2 2017 | $2,941,000 | +34.8% | 28,000 | +16.7% | 0.38% | -16.9% |
| Q1 2017 | $2,182,000 | -11.6% | 24,000 | -40.0% | 0.45% | -22.8% |
| Q4 2016 | $2,468,000 | -40.6% | 40,000 | -58.3% | 0.58% | -63.1% |
| Q2 2016 | $4,156,000 | – | 96,000 | – | 1.58% | – |
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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% |