15 institutions reported holding $18.2M of TIDAL TRUST II (MARO) in SEC 13F filings for 2026-03-31. Largest institutional holders: Tidal Investments LLC ($17.7M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($234,479), JANE STREET GROUP, LLC ($79,032), CITADEL ADVISORS LLC ($77,430), Benchmark Financial, LLC ($53,400). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Tidal Investments LLC | $17.7M | 3.3M | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $234,479 | 43,910 | Added |
| 3 | JANE STREET GROUP, LLC | $79,032 | 14,800 | New |
| 4 | CITADEL ADVISORS LLC | $77,430 | 14,500 | New |
| 5 | Benchmark Financial, LLC | $53,400 | 10,000 | Hold |
| 6 | WINEBRENNER CAPITAL MANAGEMENT LLC | $53,400 | 10,000 | New |
| 7 | GROUP ONE TRADING LLC | $3,156 | 591 | Trimmed |
| 8 | HOLLENCREST CAPITAL MANAGEMENT | $27 | 5 | Hold |
| 9 | WELLS FARGO & COMPANY/MN | $8 | 2 | Added |
| 10 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 11 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 12 | UBS Group AG | $0 | 0 | Exited |
| 13 | FMR LLC | $0 | 0 | Exited |
| 14 | FNY Investment Advisers, LLC | $0 | 0 | Exited |
| 15 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31