1 institutions reported holding $87,329 of THEMES ETF TR (NIOG) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($87,329). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $87,329 | 6,796 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30