11 institutions reported holding $10.8M of THEMES ETF TR (AMDG) in SEC 13F filings for 2026-06-30. Largest institutional holders: GOLDMAN SACHS GROUP INC ($3.3M), Optiver Holding B.V. ($2.3M), CITADEL ADVISORS LLC ($2.0M), GTS SECURITIES LLC ($1.1M), IMC-Chicago, LLC ($692,020). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GOLDMAN SACHS GROUP INC | $3.3M | 23,691 | New |
| 2 | Optiver Holding B.V. | $2.3M | 16,501 | Trimmed |
| 3 | CITADEL ADVISORS LLC | $2.0M | 14,000 | Trimmed |
| 4 | GTS SECURITIES LLC | $1.1M | 7,996 | New |
| 5 | IMC-Chicago, LLC | $692,020 | 4,943 | New |
| 6 | JANE STREET GROUP, LLC | $658,000 | 4,700 | New |
| 7 | Belvedere Trading LLC | $442,680 | 3,162 | New |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $283,640 | 2,026 | New |
| 9 | Larson Financial Group LLC | $66,494 | 475 | Trimmed |
| 10 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 11 | Advisory Services Network, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30