# ETF OPPORTUNITIES TRUST (RBLU)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/RBLU/

- Reporting holders: 7
- Reported value: $2.0M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $901.8K | 101,102 | 0.0% | 2 |
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $647.5K | 72,595 | 0.0% | 6 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $476.3K | 53,395 | 0.0% | 1 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $2.6K | 294 | 0.0% | 5 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $1.5K | 168 | 0.0% | 2 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $312 | 35 | 0.0% | 2 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $18 | 2 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 7 | $2.0M |
| Q1 2026 | 5 | $394.7K |
| Q4 2025 | 4 | $229.0K |
| Q3 2025 | 5 | $2.5M |
| Q2 2025 | 5 | $1.1M |
| Q1 2025 | 2 | $236.0K |