Who Owns Defiance Daily Target 2X Long MSTR ETF (MSTX)? -- Institutional Holders (2026-06-30)
36 institutions reported holding $36.9M of Defiance Daily Target 2X Long MSTR ETF (MSTX) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($20.8M), CITADEL ADVISORS LLC ($6.3M), StoneX Group Inc. ($2.9M), JANE STREET GROUP, LLC ($2.8M), UBS Group AG ($1.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $20.8M | 2.8M | Added |
| 2 | CITADEL ADVISORS LLC | $6.3M | 846,708 | Added |
| 3 | StoneX Group Inc. | $2.9M | 191,898 | Added |
| 4 | JANE STREET GROUP, LLC | $2.8M | 376,628 | Added |
| 5 | UBS Group AG | $1.5M | 203,798 | Added |
| 6 | Optiver Holding B.V. | $394,915 | 53,080 | Added |
| 7 | Belvedere Trading LLC | $340,146 | 64,900 | New |
| 8 | GOLDMAN SACHS GROUP INC | $297,600 | 40,000 | Hold |
| 9 | OLD MISSION CAPITAL LLC | $284,914 | 38,295 | New |
| 10 | Mariner, LLC | $280,205 | 37,662 | Added |
| 11 | K2 PRINCIPAL FUND, L.P. | $186,000 | 25,000 | New |
| 12 | Jump Financial, LLC | $166,425 | 22,369 | Added |
| 13 | GROUP ONE TRADING LLC | $165,696 | 22,271 | Trimmed |
| 14 | HighTower Advisors, LLC | $147,037 | 19,763 | Added |
| 15 | Concurrent Investment Advisors, LLC | $113,218 | 15,218 | New |
| 16 | Parallel Advisors, LLC | $34,745 | 4,670 | Added |
| 17 | MORGAN STANLEY | $21,896 | 2,943 | Hold |
| 18 | Colonial Trust Advisors | $7,440 | 1,000 | New |
| 19 | SIMPLEX TRADING, LLC | $5,141 | 691 | New |
| 20 | Elequin Capital, LP | $2,820 | 379 | New |
| 21 | Chung Wu Investment Group, LLC | $1,488 | 200 | New |
| 22 | MassMutual Private Wealth & Trust, FSB | $1,138 | 153 | Hold |
| 23 | EverSource Wealth Advisors, LLC | $967 | 130 | Hold |
| 24 | Philadelphia Investment Partners, LLC | $238 | 32 | Trimmed |
| 25 | Clearstead Advisors, LLC | $231 | 31 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30