CUSIP 09609G959
BLUEBIRD BIO INC
4 institutions · $2.2M total · 856,077 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING, L.P. | 389,200 | $1.9M | 45.46% | 2025-03-31 |
| 2 | NATIONAL BANK OF CANADA /FI/ | 577 | $281.6K | 0.06% | 2025-03-31 |
| 3 | SIMPLEX TRADING, LLC | 466,300 | $2.3K | 54.46% | 2025-03-31 |
| 4 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-03-31 |