5 institutions reported holding $18.2M of ROUNDHILL ETF TRUST (MSFW) in SEC 13F filings for 2026-06-30. Largest institutional holders: EXCHANGE TRADED CONCEPTS, LLC ($17.4M), Belvedere Trading LLC ($627,284), JANE STREET GROUP, LLC ($210,317), UBS Group AG ($9,918), SIMPLEX TRADING, LLC ($1,821). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | EXCHANGE TRADED CONCEPTS, LLC | $17.4M | 705,731 | Trimmed |
| 2 | Belvedere Trading LLC | $627,284 | 25,489 | New |
| 3 | JANE STREET GROUP, LLC | $210,317 | 8,546 | Trimmed |
| 4 | UBS Group AG | $9,918 | 403 | New |
| 5 | SIMPLEX TRADING, LLC | $1,821 | 74 | New |
Source: SEC Form 13F filings · as of 2026-06-30