# ROUNDHILL ETF TRUST (UX)

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

- Reporting holders: 3
- Reported value: $6.0M
- Held through calls: 0.0%
- Held through puts: 45.3%

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 |
|---|---|---|---|---|
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $5.0M | 90,808 | 0.0% | 2 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $948.8K | 26,009 | 0.0% | 2 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $95.5K | 3,475 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 3 | $6.0M |
| Q1 2026 | 5 | $1.9M |
| Q4 2025 | 2 | $650.8K |
| Q3 2025 | 3 | $1.6M |
| Q2 2025 | 2 | $552.1K |
| Q1 2025 | 1 | $408.8K |