CUSIP 09609G909
BLUEBIRD BIO INC
4 institutions · $32.4M total · 4,415,854 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING, L.P. | 3,851,700 | $32.1M | 87.22% | 2025-03-31 |
| 2 | NATIONAL BANK OF CANADA /FI/ | 654 | $319.2K | 0.01% | 2025-03-31 |
| 3 | SIMPLEX TRADING, LLC | 563,500 | $2.7K | 12.76% | 2025-03-31 |
| 4 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-03-31 |