20 institutions reported holding $53.7M of ETF OPPORTUNITIES TRUST (ROBN) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($21.4M), JANE STREET GROUP, LLC ($14.4M), CITADEL ADVISORS LLC ($6.2M), UBS Group AG ($3.8M), TORNO CAPITAL, LLC ($3.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $21.4M | 709,403 | Added |
| 2 | JANE STREET GROUP, LLC | $14.4M | 478,500 | Trimmed |
| 3 | CITADEL ADVISORS LLC | $6.2M | 205,900 | Added |
| 4 | UBS Group AG | $3.8M | 127,635 | Added |
| 5 | TORNO CAPITAL, LLC | $3.7M | 122,000 | New |
| 6 | Optiver Holding B.V. | $990,213 | 32,832 | Added |
| 7 | Belvedere Trading LLC | $800,205 | 26,532 | Added |
| 8 | GTS SECURITIES LLC | $576,689 | 19,121 | New |
| 9 | HRT FINANCIAL LP | $528,000 | 17,537 | New |
| 10 | IMC-Chicago, LLC | $499,480 | 16,561 | New |
| 11 | Scientech Research LLC | $352,450 | 11,686 | New |
| 12 | SIMPLEX TRADING, LLC | $177,944 | 5,900 | Trimmed |
| 13 | GROUP ONE TRADING LLC | $98,382 | 3,262 | New |
| 14 | SBI Securities Co., Ltd. | $68,131 | 2,259 | Trimmed |
| 15 | PNC Financial Services Group, Inc. | $8,294 | 275 | Hold |
| 16 | Tower Research Capital LLC (TRC) | $6,786 | 225 | Trimmed |
| 17 | Benson Wealth Management INC | $60 | 2 | New |
| 18 | StoneX Group Inc. | $0 | 0 | Exited |
| 19 | RENAISSANCE TECHNOLOGIES LLC | $0 | 0 | Exited |
| 20 | OSAIC HOLDINGS, INC. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30