23 institutions reported holding $5.4M of ETF OPPORTUNITIES TRUST (TSLZ) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.4M), Royal Bank of Canada ($953,000), IMC-Chicago, LLC ($652,973), CITADEL ADVISORS LLC ($602,790), RENAISSANCE TECHNOLOGIES LLC ($526,110). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.4M | 132,436 | Trimmed |
| 2 | Royal Bank of Canada | $953,000 | 89,497 | New |
| 3 | IMC-Chicago, LLC | $652,973 | 61,312 | Added |
| 4 | CITADEL ADVISORS LLC | $602,790 | 56,600 | Added |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $526,110 | 49,400 | Added |
| 6 | XTX Topco Ltd | $213,554 | 20,052 | New |
| 7 | Brookstone Capital Management | $211,892 | 19,896 | Added |
| 8 | Belvedere Trading LLC | $202,627 | 19,026 | Trimmed |
| 9 | Genesis Financial Group, LLC | $152,508 | 14,320 | Trimmed |
| 10 | StoneX Group Inc. | $132,979 | 11,171 | Added |
| 11 | Headlands Technologies LLC | $116,607 | 10,949 | Trimmed |
| 12 | MORGAN STANLEY | $112,645 | 10,577 | Added |
| 13 | Optiver Holding B.V. | $85,618 | 8,081 | Trimmed |
| 14 | UBS Group AG | $25,294 | 2,375 | Hold |
| 15 | Tower Research Capital LLC (TRC) | $1,427 | 134 | Trimmed |
| 16 | Your Advocates Ltd., LLP | $575 | 54 | Hold |
| 17 | Federation des caisses Desjardins du Quebec | $234 | 22 | Hold |
| 18 | Farther Finance Advisors, LLC | $75 | 7 | Hold |
| 19 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 20 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 21 | Scientech Research LLC | $0 | 0 | Exited |
| 22 | Robinswood Financial LLC | $0 | 0 | Exited |
| 23 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30