| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2 | 2 | 0.01% | 0.02% | 0.03% | Q2 2015 | Q3 2015 | 2 |
| CenterStar Fund, LLC | 1 | 1 | 0.00% | 0.01% | 0.01% | Q3 2016 | Q3 2016 | 2 |
| NORTHERN TRUST CORP | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q2 2015 | 1 |
This page lists all the filers that currently own BLUEBIRD BIO INC or have owned BLUEBIRD BIO INC in the past.