6 institutions reported holding $25.6M of ETF SER SOLUTIONS (MSTQ) in SEC 13F filings for 2026-03-31. Largest institutional holders: Brookstone Capital Management ($22.5M), ENVESTNET ASSET MANAGEMENT INC ($2.3M), OLD MISSION CAPITAL LLC ($453,291), GTS SECURITIES LLC ($224,400), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($219,322). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Brookstone Capital Management | $22.5M | 690,322 | Added |
| 2 | ENVESTNET ASSET MANAGEMENT INC | $2.3M | 69,377 | Added |
| 3 | OLD MISSION CAPITAL LLC | $453,291 | 13,926 | New |
| 4 | GTS SECURITIES LLC | $224,400 | 6,894 | New |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $219,322 | 6,738 | New |
| 6 | UBS Group AG | $3,743 | 115 | New |
Source: SEC Form 13F filings · as of 2026-03-31