6 institutions reported holding $1.4M of INVESTMENT MANAGERS SER TR I TRADR 2X (UNX) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($743,498), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($242,584), Belvedere Trading LLC ($240,321), Optiver Holding B.V. ($107,138), SIMPLEX TRADING, LLC ($32,556). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $743,498 | 16,100 | New |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $242,584 | 5,253 | New |
| 3 | Belvedere Trading LLC | $240,321 | 5,294 | New |
| 4 | Optiver Holding B.V. | $107,138 | 2,320 | New |
| 5 | SIMPLEX TRADING, LLC | $32,556 | 705 | New |
| 6 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30