13 institutions reported holding $21.9M of TIDAL TRUST II (OARK) in SEC 13F filings for 2026-06-30. Largest institutional holders: Tidal Investments LLC ($21.5M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($433,615), SIMPLEX TRADING, LLC ($13,244), Ameritas Advisory Services, LLC ($6,049), Hickory Point Bank & Trust ($3,766). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Tidal Investments LLC | $21.5M | 683,878 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $433,615 | 13,816 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $13,244 | 422 | Added |
| 4 | Ameritas Advisory Services, LLC | $6,049 | 193 | New |
| 5 | Hickory Point Bank & Trust | $3,766 | 120 | Hold |
| 6 | MORGAN STANLEY | $1,255 | 40 | New |
| 7 | Steward Partners Investment Advisory, LLC | $69 | 2 | New |
| 8 | WELLS FARGO & COMPANY/MN | $39 | 1 | Trimmed |
| 9 | FMR LLC | $31 | 1 | Hold |
| 10 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 11 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 12 | Global Retirement Partners, LLC | $0 | 0 | Exited |
| 13 | Root Financial Partners, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30