BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 251 filers reported holding BLUEBIRD BIO INC in Q3 2019. The put-call ratio across all filers is 1.49 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $63,520 | -7.2% | 20,895 | +0.4% | 0.00% | – |
| Q2 2023 | $68,445 | +11.7% | 20,804 | +8.0% | 0.00% | – |
| Q1 2023 | $61,263 | -49.5% | 19,265 | +9.8% | 0.00% | – |
| Q4 2022 | $121,377 | +27.8% | 17,540 | +16.9% | 0.00% | – |
| Q3 2022 | $95,000 | +69.6% | 15,002 | +10.3% | 0.00% | – |
| Q2 2022 | $56,000 | -41.7% | 13,602 | -31.7% | 0.00% | – |
| Q1 2022 | $96,000 | -61.1% | 19,921 | -19.1% | 0.00% | – |
| Q4 2021 | $247,000 | -44.0% | 24,632 | +6.7% | 0.00% | -100.0% |
| Q3 2021 | $441,000 | -57.0% | 23,094 | -28.0% | 0.00% | -66.7% |
| Q2 2021 | $1,026,000 | +222.6% | 32,080 | +204.1% | 0.00% | +200.0% |
| Q1 2021 | $318,000 | -35.8% | 10,550 | -7.7% | 0.00% | -50.0% |
| Q4 2020 | $495,000 | -22.4% | 11,435 | -3.2% | 0.00% | -33.3% |
| Q3 2020 | $638,000 | -8.2% | 11,818 | +3.8% | 0.00% | -25.0% |
| Q2 2020 | $695,000 | +75.1% | 11,389 | +32.0% | 0.00% | +33.3% |
| Q1 2020 | $397,000 | -66.0% | 8,628 | -35.1% | 0.00% | -40.0% |
| Q4 2019 | $1,166,000 | -21.9% | 13,289 | -18.3% | 0.01% | -37.5% |
| Q3 2019 | $1,493,000 | -32.7% | 16,260 | -6.7% | 0.01% | -38.5% |
| Q2 2019 | $2,217,000 | -32.5% | 17,428 | -16.5% | 0.01% | -35.0% |
| Q1 2019 | $3,284,000 | +64.3% | 20,873 | +3.6% | 0.02% | +42.9% |
| Q4 2018 | $1,999,000 | -42.8% | 20,150 | -15.8% | 0.01% | -41.7% |
| Q3 2018 | $3,492,000 | -0.1% | 23,918 | +7.4% | 0.02% | +4.3% |
| Q2 2018 | $3,494,000 | -33.2% | 22,260 | -27.4% | 0.02% | -32.4% |
| Q1 2018 | $5,234,000 | -11.7% | 30,651 | -7.9% | 0.03% | -17.1% |
| Q4 2017 | $5,927,000 | +44.3% | 33,278 | +11.3% | 0.04% | +7.9% |
| Q3 2017 | $4,107,000 | +53.4% | 29,903 | +17.3% | 0.04% | +40.7% |
| Q2 2017 | $2,678,000 | +7.7% | 25,495 | -6.8% | 0.03% | +3.8% |
| Q1 2017 | $2,487,000 | +26.9% | 27,356 | -13.9% | 0.03% | +18.2% |
| Q4 2016 | $1,960,000 | +2.8% | 31,763 | +12.9% | 0.02% | -18.5% |
| Q3 2016 | $1,906,000 | +32.4% | 28,123 | -15.4% | 0.03% | +42.1% |
| Q2 2016 | $1,440,000 | +20.4% | 33,253 | +18.2% | 0.02% | +18.8% |
| Q1 2016 | $1,196,000 | -39.7% | 28,131 | -8.9% | 0.02% | -33.3% |
| Q4 2015 | $1,982,000 | -20.0% | 30,869 | +6.5% | 0.02% | -31.4% |
| Q3 2015 | $2,479,000 | -43.9% | 28,981 | +10.5% | 0.04% | -42.6% |
| Q2 2015 | $4,417,000 | +17.9% | 26,231 | -15.4% | 0.06% | +38.6% |
| Q1 2015 | $3,745,000 | +71.8% | 31,007 | +30.5% | 0.04% | +76.0% |
| Q4 2014 | $2,180,000 | +159.8% | 23,763 | +1.6% | 0.02% | +127.3% |
| Q3 2014 | $839,000 | -10.0% | 23,384 | -3.3% | 0.01% | -8.3% |
| Q2 2014 | $932,000 | +63.2% | 24,171 | -3.8% | 0.01% | +71.4% |
| Q1 2014 | $571,000 | +149.3% | 25,114 | +129.7% | 0.01% | +133.3% |
| Q4 2013 | $229,000 | – | 10,934 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AlpInvest Partners B.V. | 46,264 | $3,958,000 | 7.80% |
| RTW INVESTMENTS, LP | 151,594 | $12,969,000 | 4.03% |
| APIS CAPITAL ADVISORS, LLC | 30,870 | $2,640,000 | 3.65% |
| Parametrica Management Ltd | 4,084 | $349,000 | 2.20% |
| Eventide Asset Management | 419,600 | $35,897,000 | 2.09% |
| RA Capital Management | 167,367 | $14,318,000 | 2.06% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 483,000 | $41,321,000 | 1.60% |
| Taylor Wealth Management Partners | 38,184 | $3,267,000 | 1.58% |
| Orbimed Advisors | 1,188,900 | $101,710,000 | 1.03% |
| CABOT WEALTH MANAGEMENT INC | 34,195 | $2,925,000 | 0.81% |