18 institutions reported holding $9.2M of TIDAL TRUST II (OKLL) in SEC 13F filings for 2026-03-31. Largest institutional holders: UBS Group AG ($2.8M), CITADEL ADVISORS LLC ($2.3M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.7M), JANE STREET GROUP, LLC ($481,580), XTX Topco Ltd ($437,221). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | UBS Group AG | $2.8M | 464,242 | Added |
| 2 | CITADEL ADVISORS LLC | $2.3M | 378,800 | Added |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.7M | 288,737 | New |
| 4 | JANE STREET GROUP, LLC | $481,580 | 79,600 | Added |
| 5 | XTX Topco Ltd | $437,221 | 72,268 | New |
| 6 | Optiver Holding B.V. | $367,834 | 60,799 | Added |
| 7 | Belvedere Trading LLC | $306,281 | 50,625 | Trimmed |
| 8 | Garden State Investment Advisory Services LLC | $228,267 | 37,730 | New |
| 9 | Jump Financial, LLC | $170,537 | 28,188 | New |
| 10 | HRT FINANCIAL LP | $168,000 | 27,909 | New |
| 11 | Scientech Research LLC | $142,314 | 23,523 | New |
| 12 | TWO SIGMA SECURITIES, LLC | $64,705 | 10,695 | New |
| 13 | Advisory Services Network, LLC | $1,039 | 172 | New |
| 14 | Tower Research Capital LLC (TRC) | $351 | 58 | Trimmed |
| 15 | CITIGROUP INC | $0 | 0 | Exited |
| 16 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
| 17 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 18 | Federation des caisses Desjardins du Quebec | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31