24 institutions reported holding $63.6M of INVESTMENT MANAGERS SER TR I (WCMNX) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($25.4M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($9.6M), JANE STREET GROUP, LLC ($6.9M), IMC-Chicago, LLC ($5.3M), HighTower Advisors, LLC ($4.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $25.4M | 691,125 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9.6M | 280,069 | Added |
| 3 | JANE STREET GROUP, LLC | $6.9M | 190,900 | Added |
| 4 | IMC-Chicago, LLC | $5.3M | 146,571 | New |
| 5 | HighTower Advisors, LLC | $4.7M | 128,720 | Trimmed |
| 6 | Belvedere Trading LLC | $3.1M | 79,193 | Trimmed |
| 7 | Optiver Holding B.V. | $1.7M | 37,593 | Added |
| 8 | MIRAE ASSET SECURITIES (USA) INC. | $1.5M | 55,000 | New |
| 9 | UBS Group AG | $1.3M | 36,344 | Added |
| 10 | GROUP ONE TRADING LLC | $1.2M | 33,495 | Trimmed |
| 11 | HRT FINANCIAL LP | $1.1M | 29,204 | New |
| 12 | SIMPLEX TRADING, LLC | $890,235 | 22,377 | Trimmed |
| 13 | XTX Topco Ltd | $496,314 | 13,635 | New |
| 14 | T3 Companies, LLC | $364,000 | 10,000 | Added |
| 15 | HOLLENCREST CAPITAL MANAGEMENT | $1,037 | 20 | Added |
| 16 | CITIGROUP INC | $52 | 1 | Trimmed |
| 17 | Jump Financial, LLC | $0 | 0 | Exited |
| 18 | MORGAN STANLEY | $0 | 0 | Exited |
| 19 | OLD MISSION CAPITAL LLC | $0 | 0 | Exited |
| 20 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 21 | Vontobel Holding Ltd. | $0 | 0 | Exited |
| 22 | Marex Group plc | $0 | 0 | Exited |
| 23 | Belpointe Asset Management LLC | $0 | 0 | Exited |
| 24 | DGS Capital Management, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31