10 institutions reported holding $6.8M of PROSHARES TR (SETH) in SEC 13F filings for 2026-06-30. Largest institutional holders: Integrated Advisors Network LLC ($2.2M), FLOW TRADERS U.S. LLC ($2.2M), SYKON CAPITAL LLC ($630,583), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($539,865), Belvedere Trading LLC ($516,558). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Integrated Advisors Network LLC | $2.2M | 38,144 | New |
| 2 | FLOW TRADERS U.S. LLC | $2.2M | 38,030 | New |
| 3 | SYKON CAPITAL LLC | $630,583 | 10,768 | Added |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $539,865 | 9,219 | New |
| 5 | Belvedere Trading LLC | $516,558 | 8,821 | New |
| 6 | JANE STREET GROUP, LLC | $318,625 | 5,441 | Trimmed |
| 7 | HRT FINANCIAL LP | $292,000 | 4,994 | New |
| 8 | BROWN BROTHERS HARRIMAN & CO | $61,020 | 1,042 | Hold |
| 9 | SIMPLEX TRADING, LLC | $527 | 9 | Trimmed |
| 10 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30