3 institutions reported holding $337,937 of INVESTMENT MANAGERS SER TR I (CBRZ) in SEC 13F filings for 2026-06-30. Largest institutional holders: HRT FINANCIAL LP ($251,000), Optiver Holding B.V. ($84,855), SIMPLEX TRADING, LLC ($2,082). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | HRT FINANCIAL LP | $251,000 | 14,732 | New |
| 2 | Optiver Holding B.V. | $84,855 | 4,971 | New |
| 3 | SIMPLEX TRADING, LLC | $2,082 | 122 | New |
Source: SEC Form 13F filings · as of 2026-06-30