6 institutions reported holding $272,416 of ETF OPPORTUNITIES TRUST (SKRE) in SEC 13F filings for 2026-03-31. Largest institutional holders: JANE STREET GROUP, LLC ($142,554), StoneX Group Inc. ($89,570), SIMPLEX TRADING, LLC ($40,292), Tower Research Capital LLC (TRC) ($0), UBS Group AG ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $142,554 | 16,568 | New |
| 2 | StoneX Group Inc. | $89,570 | 10,410 | New |
| 3 | SIMPLEX TRADING, LLC | $40,292 | 4,683 | Added |
| 4 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 5 | UBS Group AG | $0 | 0 | Exited |
| 6 | FNY Investment Advisers, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31