4 institutions reported holding $463,263 of THEMES ETF TR (MPG) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($297,640), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($165,623), Virtu Financial LLC ($0), UBS Group AG ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $297,640 | 50,243 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $165,623 | 27,958 | New |
| 3 | Virtu Financial LLC | $0 | 0 | Exited |
| 4 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30