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 | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $405,000 | +598.3% | 97,135 | +726.0% | 0.00% | – |
| Q1 2022 | $58,000 | -82.4% | 11,760 | -30.2% | 0.00% | – |
| Q3 2021 | $330,000 | -42.5% | 16,841 | -9.2% | 0.00% | – |
| Q2 2021 | $574,000 | +15.0% | 18,538 | +7.2% | 0.00% | – |
| Q1 2021 | $499,000 | +309.0% | 17,286 | +616.1% | 0.00% | – |
| Q4 2020 | $122,000 | -57.5% | 2,414 | -52.9% | 0.00% | – |
| Q3 2020 | $287,000 | -34.9% | 5,130 | -23.1% | 0.00% | – |
| Q2 2020 | $441,000 | +83.8% | 6,672 | +18.0% | 0.00% | – |
| Q1 2020 | $240,000 | -81.0% | 5,654 | -60.6% | 0.00% | -100.0% |
| Q4 2019 | $1,260,000 | +42.2% | 14,362 | +49.0% | 0.00% | 0.0% |
| Q3 2019 | $886,000 | -79.6% | 9,642 | -71.7% | 0.00% | -75.0% |
| Q2 2019 | $4,333,000 | -34.7% | 34,060 | -19.2% | 0.00% | -33.3% |
| Q1 2019 | $6,634,000 | +59.0% | 42,169 | +0.3% | 0.01% | +50.0% |
| Q4 2018 | $4,172,000 | -29.2% | 42,055 | +4.1% | 0.00% | -20.0% |
| Q3 2018 | $5,896,000 | +26.9% | 40,381 | +36.5% | 0.01% | +25.0% |
| Q2 2018 | $4,645,000 | +16.6% | 29,591 | +26.9% | 0.00% | 0.0% |
| Q1 2018 | $3,983,000 | +2163.1% | 23,327 | +2253.9% | 0.00% | – |
| Q4 2017 | $176,000 | -64.4% | 991 | -72.5% | 0.00% | – |
| Q3 2017 | $494,000 | +180.7% | 3,602 | +114.8% | 0.00% | – |
| Q2 2017 | $176,000 | +151.4% | 1,677 | +118.9% | 0.00% | – |
| Q1 2017 | $70,000 | -43.5% | 766 | -62.9% | 0.00% | – |
| Q4 2016 | $124,000 | +210.0% | 2,066 | +252.0% | 0.00% | – |
| Q3 2016 | $40,000 | +166.7% | 587 | +63.5% | 0.00% | – |
| Q1 2016 | $15,000 | -59.5% | 359 | -37.9% | 0.00% | – |
| Q4 2015 | $37,000 | -19.6% | 578 | +9.1% | 0.00% | – |
| Q3 2015 | $46,000 | -81.7% | 530 | -64.7% | 0.00% | – |
| Q2 2015 | $252,000 | +65.8% | 1,500 | +19.0% | 0.00% | – |
| Q1 2015 | $152,000 | -45.1% | 1,260 | -58.2% | 0.00% | – |
| Q4 2014 | $277,000 | -12.1% | 3,012 | -65.7% | 0.00% | – |
| Q3 2014 | $315,000 | +36.4% | 8,794 | +46.7% | 0.00% | – |
| Q2 2014 | $231,000 | – | 5,994 | – | 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% |