BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2023. The put-call ratio across all filers is 0.92 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $77,359 | -13.9% | 25,447 | -6.8% | 0.00% | – |
| Q2 2023 | $89,847 | +2.0% | 27,309 | -1.4% | 0.00% | – |
| Q1 2023 | $88,115 | -59.9% | 27,709 | -12.7% | 0.00% | – |
| Q4 2022 | $219,579 | -3.3% | 31,731 | -11.4% | 0.00% | -100.0% |
| Q3 2022 | $227,000 | +63.3% | 35,817 | +6.4% | 0.00% | – |
| Q2 2022 | $139,000 | -82.6% | 33,661 | +268.6% | 0.00% | -100.0% |
| Q4 2019 | $801,000 | +107.0% | 9,132 | +116.6% | 0.00% | +200.0% |
| Q3 2019 | $387,000 | -29.8% | 4,217 | -2.6% | 0.00% | -50.0% |
| Q2 2019 | $551,000 | +43.1% | 4,328 | +76.7% | 0.00% | 0.0% |
| Q1 2019 | $385,000 | +80.8% | 2,450 | +14.2% | 0.00% | +100.0% |
| Q4 2018 | $213,000 | -12.0% | 2,146 | +29.5% | 0.00% | 0.0% |
| Q3 2018 | $242,000 | -31.6% | 1,657 | -26.5% | 0.00% | -50.0% |
| Q2 2018 | $354,000 | -29.6% | 2,253 | -23.4% | 0.00% | -33.3% |
| Q1 2018 | $503,000 | -9.4% | 2,943 | -5.6% | 0.00% | 0.0% |
| Q4 2017 | $555,000 | +83.8% | 3,117 | +41.6% | 0.00% | +50.0% |
| Q3 2017 | $302,000 | +43.1% | 2,202 | +9.4% | 0.00% | +100.0% |
| Q2 2017 | $211,000 | – | 2,012 | – | 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% |