COSW — Roundhill ETF Trust Institutional Holders · Q2 2026
Who owns Roundhill ETF Trust (COSW)? 5 institutions reported holding $7.00M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Exchange Traded Concepts, LLC ($6.6M), Gts Securities LLC ($393,938), Susquehanna International Group, LLP ($0).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | EXCHANGE TRADED CONCEPTS, LLC | $6.6M | 164,212 | Trimmed |
| 2 | GTS SECURITIES LLC | $393,938 | 9,788 | Added |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 4 | OLD MISSION CAPITAL LLC | $0 | 0 | Exited |
| 5 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30