18 institutions reported holding $50.2M of INVESTMENT MANAGERS SER TR I (LABX) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($16.4M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($13.1M), JANE STREET GROUP, LLC ($5.8M), GOLDMAN SACHS GROUP INC ($4.3M), GTS SECURITIES LLC ($3.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $16.4M | 74,146 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $13.1M | 59,166 | New |
| 3 | JANE STREET GROUP, LLC | $5.8M | 26,115 | New |
| 4 | GOLDMAN SACHS GROUP INC | $4.3M | 19,334 | New |
| 5 | GTS SECURITIES LLC | $3.6M | 16,179 | New |
| 6 | Belvedere Trading LLC | $2.1M | 9,766 | New |
| 7 | Client First Investment Management LLC | $1.5M | 6,900 | New |
| 8 | FLOW TRADERS U.S. LLC | $1.5M | 6,598 | New |
| 9 | IMC-Chicago, LLC | $1.2M | 5,519 | New |
| 10 | Optiver Holding B.V. | $573,755 | 2,599 | New |
| 11 | Dedeker Financial LLC | $290,176 | 1,315 | New |
| 12 | Integrated Wealth Concepts LLC | $19,428 | 88 | New |
| 13 | HOLLENCREST CAPITAL MANAGEMENT | $11,480 | 52 | Trimmed |
| 14 | MORGAN STANLEY | $0 | 0 | Exited |
| 15 | CoreCap Advisors, LLC | $0 | 0 | Exited |
| 16 | Farther Finance Advisors, LLC | $0 | 0 | Exited |
| 17 | CITIGROUP INC | $0 | 0 | Exited |
| 18 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30