2 institutions reported holding $198,691 of THEMES ETF TR (ONG) in SEC 13F filings for 2026-06-30. Largest institutional holders: Virtu Financial LLC ($110,000), Optiver Holding B.V. ($88,691). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Virtu Financial LLC | $110,000 | 14,402 | New |
| 2 | Optiver Holding B.V. | $88,691 | 11,624 | New |
Source: SEC Form 13F filings · as of 2026-06-30