RBLU — ETF Opportunities Trust Institutional Holders · Q2 2026
Who owns ETF Opportunities Trust (RBLU)? 7 institutions reported holding $1.58M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Optiver Holding B.V. ($647,547), Susquehanna International Group, LLP ($476,283), Citadel Advisors LLC ($450,915).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $647,547 | 72,595 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $476,283 | 53,395 | New |
| 3 | CITADEL ADVISORS LLC | $450,915 | 50,551 | Added |
| 4 | SBI Securities Co., Ltd. | $2,622 | 294 | Added |
| 5 | SIMPLEX TRADING, LLC | $1,498 | 168 | Added |
| 6 | Tower Research Capital LLC (TRC) | $312 | 35 | Added |
| 7 | CITIGROUP INC | $18 | 2 | New |
Source: SEC Form 13F filings · as of 2026-06-30