BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 303 filers reported holding BLUEBIRD BIO INC in Q4 2017. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $623,000 | 0.0% | 14,406 | 0.0% | 0.14% | +0.7% |
| Q4 2020 | $623,000 | +126.5% | 14,406 | +182.1% | 0.14% | +140.7% |
| Q3 2020 | $275,000 | -84.0% | 5,106 | -59.2% | 0.06% | -71.9% |
| Q3 2017 | $1,718,000 | +1490.7% | 12,511 | +393.5% | 0.21% | +356.5% |
| Q1 2016 | $108,000 | -40.0% | 2,535 | +20.7% | 0.05% | -70.7% |
| Q3 2015 | $180,000 | +429.4% | 2,100 | +950.0% | 0.16% | +292.5% |
| Q2 2015 | $34,000 | -29.2% | 200 | -50.0% | 0.04% | -50.0% |
| Q1 2015 | $48,000 | -75.1% | 400 | -81.0% | 0.08% | -75.1% |
| Q4 2014 | $193,000 | – | 2,100 | – | 0.32% | – |
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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% |