ROUNDHILL ETF TRUST (COSW)
Institutional ownership reported to the SEC as of Q2 2026, across 3 quarters.
2
Reporting holders
$13.6M
Reported value
0.0%
Held as options
-3
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| EXCHANGE TRADED CONCEPTS, LLC | $13.2M | 328,424 | 0.03% | 3q | +90.8%+$6.3M |
| GTS SECURITIES LLC | $393.9K | 9,788 | 0.01% | 3q | +24.5%+$77.6K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 2 | $13.6M | 338,212 | 0 | 2 | 0 | 0.0% |
| Q1 2026 | 5 | $9.1M | 197,667 | 2 | 1 | 2 | 0.0% |
| Q4 2025 | 5 | $19.6M | 460,679 | 5 | 0 | 0 | 0.0% |