3 institutions reported holding $372,991 of GLOBAL X FDS (ZCBA) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($267,041), SIMPLEX TRADING, LLC ($73,334), GROUP ONE TRADING LLC ($32,616). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $267,041 | 5,421 | New |
| 2 | SIMPLEX TRADING, LLC | $73,334 | 1,400 | New |
| 3 | GROUP ONE TRADING LLC | $32,616 | 600 | New |
Source: SEC Form 13F filings · as of 2026-06-30