6 institutions reported holding $1.4M of ROUNDHILL ETF TRUST (COIW) in SEC 13F filings for 2026-06-30. Largest institutional holders: JANE STREET GROUP, LLC ($1.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($189,427), CENTAURUS FINANCIAL, INC. ($91,000), Tower Research Capital LLC (TRC) ($793), CITADEL ADVISORS LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $1.1M | 134,639 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $189,427 | 23,415 | New |
| 3 | CENTAURUS FINANCIAL, INC. | $91,000 | 11,190 | Hold |
| 4 | Tower Research Capital LLC (TRC) | $793 | 98 | New |
| 5 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 6 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30