12 institutions reported holding $244.0M of RBB FD INC (USDX) in SEC 13F filings for 2026-06-30. Largest institutional holders: Summit Global Investments ($222.2M), Betterment LLC ($19.3M), Beta Wealth Group, Inc. ($2.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($290,840), Transamerica Financial Advisors, LLC ($8,777). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Summit Global Investments | $222.2M | 8.7M | Trimmed |
| 2 | Betterment LLC | $19.3M | 757,431 | Added |
| 3 | Beta Wealth Group, Inc. | $2.1M | 84,291 | Trimmed |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $290,840 | 11,411 | New |
| 5 | Transamerica Financial Advisors, LLC | $8,777 | 344 | Trimmed |
| 6 | GTS SECURITIES LLC | $0 | 0 | Exited |
| 7 | OLD MISSION CAPITAL LLC | $0 | 0 | Exited |
| 8 | HRT FINANCIAL LP | $0 | 0 | Exited |
| 9 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 10 | Advisory Services Network, LLC | $0 | 0 | Exited |
| 11 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 12 | Andina Capital Management, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30