BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 179 filers reported holding BLUEBIRD BIO INC in Q2 2016. The put-call ratio across all filers is 1.01 and the average weighting 0.2%.
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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 | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $483,000 | -12.8% | 5,577 | -7.5% | 0.00% | -25.0% |
| Q3 2019 | $554,000 | +191.6% | 6,030 | +302.8% | 0.00% | +300.0% |
| Q2 2019 | $190,000 | -63.5% | 1,497 | -54.8% | 0.00% | -75.0% |
| Q1 2019 | $521,000 | +242.8% | 3,314 | +115.5% | 0.00% | +300.0% |
| Q4 2018 | $152,000 | -16.5% | 1,538 | +23.4% | 0.00% | -50.0% |
| Q3 2018 | $182,000 | -8.5% | 1,246 | +6.2% | 0.00% | 0.0% |
| Q2 2018 | $199,000 | 0.0% | 1,173 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $199,000 | -6.6% | 1,173 | -2.1% | 0.00% | 0.0% |
| Q4 2017 | $213,000 | +56.6% | 1,198 | +20.8% | 0.00% | +100.0% |
| Q3 2017 | $136,000 | +615.8% | 992 | +454.2% | 0.00% | – |
| Q2 2017 | $19,000 | 0.0% | 179 | -13.1% | 0.00% | – |
| Q1 2017 | $19,000 | +58.3% | 206 | +5.1% | 0.00% | – |
| Q4 2016 | $12,000 | +140.0% | 196 | +145.0% | 0.00% | – |
| Q3 2016 | $5,000 | -44.4% | 80 | -61.9% | 0.00% | – |
| Q2 2016 | $9,000 | -30.8% | 210 | +162.5% | 0.00% | – |
| Q2 2015 | $13,000 | -55.2% | 80 | -66.8% | 0.00% | -100.0% |
| Q1 2015 | $29,000 | +480.0% | 241 | +322.8% | 0.00% | – |
| Q4 2014 | $5,000 | +150.0% | 57 | 0.0% | 0.00% | – |
| Q3 2014 | $2,000 | 0.0% | 57 | 0.0% | 0.00% | – |
| Q2 2014 | $2,000 | – | 57 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Third Rock Ventures, LLC | 3,313,974 | $78,939,000 | 22.36% |
| HARBOURVEST PARTNERS LLC | 59,264 | $1,243,000 | 3.98% |
| RA Capital Management | 467,418 | $9,806,000 | 1.14% |
| HAMILTON LANE ADVISORS LLC | 88,628 | $1,859,000 | 1.08% |
| COWEN INC. | 158,709 | $3,330,000 | 0.56% |
| SPHERA FUNDS MANAGEMENT LTD. | 92,435 | $1,939,000 | 0.54% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 423,224 | $8,879,000 | 0.46% |
| Camber Capital Management LP | 206,900 | $4,341,000 | 0.38% |
| Eventide Asset Management | 25,700 | $539,000 | 0.17% |
| SABBY MANAGEMENT, LLC | 102,035 | $2,141,000 | 0.14% |