6 institutions reported holding $12.6M of BANK OZK LITTLE ROCK ARK (OZKAP) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($7.4M), GROUP ONE TRADING LLC ($2.6M), SIMPLEX TRADING, LLC ($1.5M), IAT REINSURANCE CO LTD. ($964,200), SG Americas Securities, LLC ($117,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $7.4M | 160,500 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $2.6M | 57,700 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $1.5M | 33,100 | Trimmed |
| 4 | IAT REINSURANCE CO LTD. | $964,200 | 60,000 | Hold |
| 5 | SG Americas Securities, LLC | $117,000 | 105,000 | Trimmed |
| 6 | HRT FINANCIAL LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31