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%.
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Filings
- All filings
- Annual reports (10-K)
- Quarterly reports (10-Q)
- Insider transactions
- Shareholder votes
- Significant ownership
- Events
EDGAR links
External links
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $31,543 | -92.3% | 10,376 | +9.2% | 0.00% | -100.0% |
| Q4 2020 | $411,000 | -46.1% | 9,501 | -32.8% | 0.00% | -50.0% |
| Q3 2020 | $763,000 | +8.5% | 14,144 | +22.9% | 0.00% | 0.0% |
| Q2 2020 | $703,000 | +78.4% | 11,511 | +33.0% | 0.00% | +100.0% |
| Q1 2020 | $394,000 | -36.9% | 8,655 | +21.3% | 0.00% | 0.0% |
| Q4 2019 | $624,000 | +0.5% | 7,137 | +4.5% | 0.00% | -50.0% |
| Q3 2019 | $621,000 | -32.6% | 6,829 | -5.2% | 0.00% | 0.0% |
| Q2 2019 | $922,000 | -35.5% | 7,207 | -20.6% | 0.00% | -50.0% |
| Q1 2019 | $1,429,000 | +138.2% | 9,080 | +48.1% | 0.00% | +100.0% |
| Q4 2018 | $600,000 | +68.1% | 6,131 | +152.1% | 0.00% | +100.0% |
| Q3 2018 | $357,000 | -8.7% | 2,432 | -14.5% | 0.00% | 0.0% |
| Q3 2017 | $391,000 | – | 2,845 | – | 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% |