6 institutions reported holding $84.5M of ROUNDHILL ETF TRUST (WEEK) in SEC 13F filings for 2026-06-30. Largest institutional holders: EXCHANGE TRADED CONCEPTS, LLC ($82.7M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.2M), Tower Research Capital LLC (TRC) ($342,468), JANE STREET GROUP, LLC ($316,463), Royal Bank of Canada ($1,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | EXCHANGE TRADED CONCEPTS, LLC | $82.7M | 826,813 | Trimmed |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.2M | 11,720 | New |
| 3 | Tower Research Capital LLC (TRC) | $342,468 | 3,424 | New |
| 4 | JANE STREET GROUP, LLC | $316,463 | 3,164 | Trimmed |
| 5 | Royal Bank of Canada | $1,000 | 10 | New |
| 6 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30