ETF OPPORTUNITIES TRUST REX OSPREY DOGE is a security (CUSIP 26923N215) tracked across SEC portfolio filings. 3 institutional managers reported $111K on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| JANE STREET GROUP, LLC | NEW YORK, NY | $91K | — |
| UBS Group AG | Zurich, V8 | $17K | 2,031 |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $2K | 203 |