11 institutions reported holding $6.4M of ETF SER SOLUTIONS (ZIG) in SEC 13F filings for 2026-03-31. Largest institutional holders: Trek Financial, LLC ($4.1M), CIBC WORLD MARKET INC. ($758,938), SRH ADVISORS, LLC ($707,209), CITADEL ADVISORS LLC ($351,602), MONEY CONCEPTS CAPITAL CORP ($312,441). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Trek Financial, LLC | $4.1M | 105,273 | Added |
| 2 | CIBC WORLD MARKET INC. | $758,938 | 19,515 | Trimmed |
| 3 | SRH ADVISORS, LLC | $707,209 | 18,185 | Hold |
| 4 | CITADEL ADVISORS LLC | $351,602 | 9,041 | Trimmed |
| 5 | MONEY CONCEPTS CAPITAL CORP | $312,441 | 8,034 | Added |
| 6 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $62,262 | 1,601 | New |
| 7 | Allworth Financial LP | $50,168 | 1,290 | New |
| 8 | MORGAN STANLEY | $17,078 | 439 | Hold |
| 9 | CREATIVE FINANCIAL DESIGNS INC /ADV | $15,447 | 397 | Trimmed |
| 10 | UBS Group AG | $4,239 | 109 | Trimmed |
| 11 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31