MST — Tidal Trust II Institutional Holders · Q2 2026
Who owns Tidal Trust II (MST)? 6 institutions reported holding $1.11M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Old Mission Capital LLC ($580,586), Susquehanna International Group, LLP ($282,118), Jane Street Group, LLC ($232,668).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | OLD MISSION CAPITAL LLC | $580,586 | 80,637 | New |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $282,118 | 39,183 | New |
| 3 | JANE STREET GROUP, LLC | $232,668 | 32,315 | New |
| 4 | SIMPLEX TRADING, LLC | $6,026 | 837 | Trimmed |
| 5 | GROUP ONE TRADING LLC | $5,472 | 760 | Added |
| 6 | Keating Financial Advisory Services, Inc. | $1,397 | 194 | New |
Source: SEC Form 13F filings · as of 2026-06-30