9 institutions reported holding $4.2M of ETF SER SOLUTIONS (SEA) in SEC 13F filings for 2026-03-31. Largest institutional holders: BENJAMIN EDWARDS INC ($2.6M), JANE STREET GROUP, LLC ($717,240), CITADEL ADVISORS LLC ($574,351), CoreCap Advisors, LLC ($229,689), OSAIC HOLDINGS, INC. ($20,343). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BENJAMIN EDWARDS INC | $2.6M | 152,837 | New |
| 2 | JANE STREET GROUP, LLC | $717,240 | 42,340 | Added |
| 3 | CITADEL ADVISORS LLC | $574,351 | 33,905 | New |
| 4 | CoreCap Advisors, LLC | $229,689 | 13,559 | Hold |
| 5 | OSAIC HOLDINGS, INC. | $20,343 | 1,201 | Added |
| 6 | LGT Financial Advisors LLC | $10,977 | 648 | Hold |
| 7 | UBS Group AG | $8,927 | 527 | Trimmed |
| 8 | HARBOUR INVESTMENTS, INC. | $5,082 | 300 | New |
| 9 | MORGAN STANLEY | $33 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31