Roundhill Cost Weeklypay ETFCOSWETF
13F holders, Q1 2026 (March 31)5holders
2new positions
2sold out
$46.20avg. 13F price*
At the end of Q1 2026, 5 institutions reported holding Roundhill Cost Weeklypay ETF (COSW) in their 13F filings, unchanged from Q4 2025. 2 opened new positions and 2 sold out. The largest holders were Exchange Traded Concepts, LLC ($8.0M), Old Mission Capital LLC ($571K) and GTS Securities LLC ($363K).
- Company
- Roundhill Cost Weeklypay ETF
- CUSIP
- 77926X528
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $814K |
| Exits | 2 | $632K |
All 13F filers, Q4 2025 → Q1 2026: 19,788 shares bought and 282,800 shares sold, net −263,012 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 5 holders
| Exchange Traded Concepts, LLC | 0.06% | Reduce -60.9% | 172,099 | $8.0M |
| Old Mission Capital LLC | 0.01% | New | 12,354 | $571K |
| GTS Securities LLC | 0.01% | Add +38.3% | 7,859 | $363K |
| Susquehanna International Group, LLP | 0.00% | New | 5,256 | $243K |
| Simplex Trading, LLC | 0.00% | Reduce -2.9% | 99 | $5K |
"% of holder's portfolio" is COSW's weight in each manager's 13F, not the share of Roundhill Cost Weeklypay ETF the manager owns.