5 institutions reported holding $3.7M of INVESTMENT MANAGERS SER TR I (CSEX) in SEC 13F filings for 2026-06-30. Largest institutional holders: Belvedere Trading LLC ($2.0M), CITADEL ADVISORS LLC ($1.6M), Optiver Holding B.V. ($45,324), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($0), UBS Group AG ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Belvedere Trading LLC | $2.0M | 108,542 | New |
| 2 | CITADEL ADVISORS LLC | $1.6M | 86,300 | Added |
| 3 | Optiver Holding B.V. | $45,324 | 2,416 | Trimmed |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 5 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30