19 institutions reported holding $40.1M of INVESTMENT MANAGERS SER TR I (APPX) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($9.5M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($5.5M), GROUP ONE TRADING LLC ($4.9M), IMC-Chicago, LLC ($4.2M), JANE STREET GROUP, LLC ($4.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $9.5M | 235,039 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5.5M | 135,074 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $4.9M | 136,500 | Added |
| 4 | IMC-Chicago, LLC | $4.2M | 88,654 | Trimmed |
| 5 | JANE STREET GROUP, LLC | $4.1M | 101,103 | Added |
| 6 | SIMPLEX TRADING, LLC | $2.9M | 71,452 | Added |
| 7 | Optiver Holding B.V. | $2.5M | 61,965 | New |
| 8 | FLOW TRADERS U.S. LLC | $1.2M | 30,535 | New |
| 9 | HRT FINANCIAL LP | $1.2M | 46,000 | New |
| 10 | GOLDMAN SACHS GROUP INC | $1.2M | 29,345 | New |
| 11 | Belvedere Trading LLC | $814,258 | 23,412 | Added |
| 12 | Jump Financial, LLC | $767,293 | 18,983 | Added |
| 13 | StoneX Group Inc. | $651,465 | 11,147 | Added |
| 14 | XTX Topco Ltd | $265,681 | 6,573 | New |
| 15 | Z3 Capital Partners, LLC | $251,412 | 6,220 | New |
| 16 | Tower Research Capital LLC (TRC) | $99,716 | 2,467 | Added |
| 17 | HOLLENCREST CAPITAL MANAGEMENT | $40,420 | 1,000 | New |
| 18 | OSAIC HOLDINGS, INC. | $21,140 | 523 | Hold |
| 19 | Genesis Financial Group, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30