18 institutions reported holding $18.9M of INVESTMENT MANAGERS SER TR I (QBTX) in SEC 13F filings for 2026-06-30. Largest institutional holders: JANE STREET GROUP, LLC ($5.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($4.7M), CITADEL ADVISORS LLC ($4.2M), Optiver Holding B.V. ($1.7M), StoneX Group Inc. ($1.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $5.1M | 340,850 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4.7M | 316,959 | Added |
| 3 | CITADEL ADVISORS LLC | $4.2M | 277,200 | Added |
| 4 | Optiver Holding B.V. | $1.7M | 114,750 | Added |
| 5 | StoneX Group Inc. | $1.4M | 81,344 | New |
| 6 | Jump Financial, LLC | $726,530 | 48,500 | New |
| 7 | IMC-Chicago, LLC | $355,146 | 23,708 | Added |
| 8 | Belvedere Trading LLC | $267,962 | 17,888 | New |
| 9 | FLOW TRADERS U.S. LLC | $177,000 | 11,811 | New |
| 10 | CITIGROUP INC | $127,690 | 8,524 | Added |
| 11 | GROUP ONE TRADING LLC | $88,742 | 5,924 | New |
| 12 | SIMPLEX TRADING, LLC | $19,698 | 1,315 | Trimmed |
| 13 | Colonial Trust Advisors | $2,996 | 200 | New |
| 14 | SIGNATUREFD, LLC | $2,996 | 200 | New |
| 15 | Tower Research Capital LLC (TRC) | $2,187 | 146 | Added |
| 16 | UBS Group AG | $15 | 1 | New |
| 17 | HRT FINANCIAL LP | $0 | 0 | Exited |
| 18 | HOLLENCREST CAPITAL MANAGEMENT | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30