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 | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $273,000 | -19.7% | 6,300 | 0.0% | 0.00% | – |
| Q3 2020 | $340,000 | +39.3% | 6,300 | +57.5% | 0.00% | – |
| Q2 2020 | $244,000 | -97.4% | 4,000 | -98.1% | 0.00% | -100.0% |
| Q1 2020 | $9,497,000 | -28.7% | 206,614 | +36.2% | 0.02% | +6.2% |
| Q4 2019 | $13,315,000 | +20.3% | 151,732 | +25.9% | 0.02% | -5.9% |
| Q3 2019 | $11,068,000 | -16.6% | 120,545 | +15.6% | 0.02% | +54.5% |
| Q2 2019 | $13,264,000 | -9.3% | 104,274 | +12.2% | 0.01% | -47.6% |
| Q1 2019 | $14,623,000 | +33.0% | 92,941 | -16.1% | 0.02% | +110.0% |
| Q4 2018 | $10,991,000 | -21.7% | 110,800 | +15.3% | 0.01% | -44.4% |
| Q3 2018 | $14,031,000 | +10.0% | 96,100 | +18.2% | 0.02% | 0.0% |
| Q2 2018 | $12,760,000 | +55.7% | 81,300 | +69.4% | 0.02% | +38.5% |
| Q1 2018 | $8,196,000 | – | 48,000 | – | 0.01% | – |
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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% |