# ROUNDHILL ETF TRUST (COSW)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/COSW/

- Reporting holders: 2
- Reported value: $13.6M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [EXCHANGE TRADED CONCEPTS, LLC](https://holderbook.com/funds/1457320-exchange-traded-concepts-llc/) | $13.2M | 328,424 | 0.0% | 3 |
| [GTS SECURITIES LLC](https://holderbook.com/funds/1452765-gts-securities-llc/) | $393.9K | 9,788 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 2 | $13.6M |
| Q1 2026 | 5 | $9.1M |
| Q4 2025 | 5 | $19.6M |