5 institutions reported holding $185,718 of INVESTMENT MANAGERS SER TR I (PONX) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($67,273), HRT FINANCIAL LP ($62,000), CITADEL ADVISORS LLC ($56,445), Belvedere Trading LLC ($0), GROUP ONE TRADING LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $67,273 | 21,023 | Trimmed |
| 2 | HRT FINANCIAL LP | $62,000 | 19,525 | New |
| 3 | CITADEL ADVISORS LLC | $56,445 | 17,639 | New |
| 4 | Belvedere Trading LLC | $0 | 0 | Exited |
| 5 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30