BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 294 filers reported holding BLUEBIRD BIO INC in Q3 2018. The put-call ratio across all filers is 0.85 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,991,200 | +101.7% | 655,000 | +118.3% | 0.01% | +14.3% |
| Q2 2023 | $987,000 | -48.3% | 300,000 | -50.0% | 0.01% | -12.5% |
| Q1 2023 | $1,908,000 | +512.7% | 600,000 | +1233.3% | 0.01% | +166.7% |
| Q4 2022 | $311,400 | -64.9% | 45,000 | -67.9% | 0.00% | -62.5% |
| Q3 2022 | $886,000 | -40.3% | 140,000 | +409.1% | 0.01% | -63.6% |
| Q3 2020 | $1,484,000 | -30.5% | 27,500 | -21.4% | 0.02% | -40.5% |
| Q2 2020 | $2,136,000 | +16.2% | 35,000 | -12.5% | 0.04% | -19.6% |
| Q1 2020 | $1,838,000 | -67.9% | 40,000 | -11.1% | 0.05% | -64.9% |
| Q2 2019 | $5,724,000 | +142.5% | 45,000 | +200.0% | 0.13% | +336.7% |
| Q1 2019 | $2,360,000 | +5.0% | 15,000 | -2.6% | 0.03% | +7.1% |
| Q3 2018 | $2,248,000 | – | 15,400 | – | 0.03% | – |
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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% |