5 institutions reported holding $1.5M of INVESTMENT MANAGERS SER TR I (SMZ) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($628,705), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($567,564), Optiver Holding B.V. ($316,984), UBS Group AG ($1,663), Tower Research Capital LLC (TRC) ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $628,705 | 27,599 | New |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $567,564 | 24,915 | New |
| 3 | Optiver Holding B.V. | $316,984 | 13,915 | New |
| 4 | UBS Group AG | $1,663 | 73 | Trimmed |
| 5 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30