2 institutions reported holding $865,312 of CULLEN FROST BANKERS INC (CFR-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($710,792), SIMPLEX TRADING, LLC ($154,520). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $710,792 | 4,600 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $154,520 | 1,000 | Added |
Source: SEC Form 13F filings · as of 2026-06-30