12 institutions reported holding $5.3M of ETF SER SOLUTIONS (SEA) in SEC 13F filings for 2026-06-30. Largest institutional holders: BENJAMIN EDWARDS INC ($2.9M), CITADEL ADVISORS LLC ($1.4M), JANE STREET GROUP, LLC ($458,718), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($254,785), CoreCap Advisors, LLC ($221,210). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BENJAMIN EDWARDS INC | $2.9M | 176,407 | Added |
| 2 | CITADEL ADVISORS LLC | $1.4M | 87,174 | Added |
| 3 | JANE STREET GROUP, LLC | $458,718 | 28,117 | Trimmed |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $254,785 | 15,617 | New |
| 5 | CoreCap Advisors, LLC | $221,210 | 13,559 | Hold |
| 6 | SIMPLEX TRADING, LLC | $41,032 | 2,515 | New |
| 7 | UBS Group AG | $28,992 | 1,777 | Added |
| 8 | OSAIC HOLDINGS, INC. | $11,937 | 732 | Trimmed |
| 9 | LGT Financial Advisors LLC | $10,572 | 648 | Hold |
| 10 | Institute for Wealth Management, LLC. | $8,558 | 525 | New |
| 11 | HARBOUR INVESTMENTS, INC. | $4,894 | 300 | Hold |
| 12 | MORGAN STANLEY | $27 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30