# ETF OPPORTUNITIES TRUST (MSTZ)

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

- Reporting holders: 18
- Reported value: $38.4M
- Held through calls: 42.9%
- Held through puts: 28.6%

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 |
|---|---|---|---|---|
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $16.8M | 78,755 | 0.0% | 7 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $6.7M | 0 | 0.0% | 7 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $6.4M | 76,335 | 0.0% | 7 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $3.0M | 190,006 | 0.0% | 1 |
| [StoneX Group Inc.](https://holderbook.com/funds/913760-stonex-group-inc/) | $1.8M | 169,824 | 0.1% | 5 |
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $890.1K | 57,317 | 0.0% | 3 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $814.2K | 52,426 | 0.0% | 1 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $554.7K | 35,715 | 0.0% | 2 |
| [TWO SIGMA SECURITIES, LLC](https://holderbook.com/funds/1450144-two-sigma-securities-llc/) | $537.9K | 34,637 | 0.0% | 2 |
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $401.0K | 25,819 | 0.0% | 7 |
| [GTS SECURITIES LLC](https://holderbook.com/funds/1452765-gts-securities-llc/) | $176.2K | 11,349 | 0.0% | 2 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $136.2K | 8,769 | 0.0% | 1 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $131.6K | 8,475 | 0.0% | 1 |
| [Geneos Wealth Management Inc.](https://holderbook.com/funds/1764754-geneos-wealth-management-inc/) | $78.1K | 5,028 | 0.0% | 1 |
| [ROYAL BANK OF CANADA](https://holderbook.com/funds/1000275-royal-bank-of-canada/) | $71.0K | 4,573 | 0.0% | 1 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $18.1K | 1,163 | 0.0% | 7 |
| [Elequin Capital, LP](https://holderbook.com/funds/1810873-elequin-capital-lp/) | $5.7K | 368 | 0.0% | 7 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $311 | 20 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 18 | $38.4M |
| Q1 2026 | 17 | $26.6M |
| Q4 2025 | 15 | $28.2M |
| Q3 2025 | 22 | $26.7M |
| Q2 2025 | 22 | $14.4M |
| Q1 2025 | 21 | $58.3M |
| Q4 2024 | 18 | $43.0M |
| Q3 2024 | 3 | $1.2M |