BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 177 filers reported holding BLUEBIRD BIO INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $76,279 | +19.4% | 23,185 | +15.4% | 0.00% | – |
| Q1 2023 | $63,908 | -84.7% | 20,097 | -76.6% | 0.00% | -100.0% |
| Q1 2022 | $417,000 | +39.5% | 85,840 | +186.9% | 0.00% | 0.0% |
| Q4 2021 | $299,000 | -77.8% | 29,915 | -57.6% | 0.00% | -80.0% |
| Q3 2021 | $1,347,000 | +434.5% | 70,532 | +792.8% | 0.01% | +400.0% |
| Q2 2021 | $252,000 | -41.4% | 7,900 | -44.6% | 0.00% | -50.0% |
| Q1 2021 | $430,000 | +7.2% | 14,256 | +91.5% | 0.00% | 0.0% |
| Q3 2020 | $401,000 | -7.0% | 7,445 | +5.4% | 0.00% | -33.3% |
| Q2 2020 | $431,000 | -55.8% | 7,062 | -66.7% | 0.00% | -62.5% |
| Q1 2020 | $975,000 | -75.2% | 21,204 | -52.7% | 0.01% | -71.4% |
| Q4 2019 | $3,936,000 | +31.2% | 44,859 | +37.3% | 0.03% | +12.0% |
| Q3 2019 | $3,000,000 | +148.3% | 32,672 | +243.9% | 0.02% | +150.0% |
| Q2 2019 | $1,208,000 | -40.0% | 9,500 | -25.8% | 0.01% | -37.5% |
| Q1 2019 | $2,014,000 | +832.4% | 12,800 | +489.9% | 0.02% | +1500.0% |
| Q4 2018 | $216,000 | +1863.6% | 2,170 | +2070.0% | 0.00% | – |
| Q2 2017 | $11,000 | -86.6% | 100 | -88.9% | 0.00% | -100.0% |
| Q1 2017 | $82,000 | +1266.7% | 900 | +800.0% | 0.00% | – |
| Q4 2016 | $6,000 | -71.4% | 100 | -66.7% | 0.00% | – |
| Q3 2016 | $21,000 | -92.8% | 300 | -95.5% | 0.00% | -100.0% |
| Q2 2016 | $290,000 | +13.3% | 6,704 | +11.7% | 0.00% | -50.0% |
| Q1 2016 | $256,000 | -69.1% | 6,000 | -53.7% | 0.00% | -75.0% |
| Q4 2015 | $829,000 | -42.0% | 12,959 | -22.0% | 0.01% | -38.5% |
| Q3 2015 | $1,429,000 | -70.8% | 16,615 | -42.7% | 0.01% | -73.5% |
| Q2 2015 | $4,886,000 | +425.4% | 29,000 | +276.2% | 0.05% | +444.4% |
| Q1 2015 | $930,000 | – | 7,708 | – | 0.01% | – |
Download | ||||||
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% |