5 institutions reported holding $431,185 of THEMES ETF TR (XYZG) in SEC 13F filings for 2026-03-31. Largest institutional holders: Optiver Holding B.V. ($260,876), IMC-Chicago, LLC ($170,309), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($0), Virtu Financial LLC ($0), CITIGROUP INC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $260,876 | 23,496 | Added |
| 2 | IMC-Chicago, LLC | $170,309 | 15,339 | New |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 4 | Virtu Financial LLC | $0 | 0 | Exited |
| 5 | CITIGROUP INC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31