BLSG — Themes ETF Tr Institutional Holders · Q2 2026
Who owns Themes ETF Tr (BLSG)? 2 institutions reported holding $131,389 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Optiver Holding B.V. ($131,389), Citadel Advisors LLC ($0).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $131,389 | 76,719 | Added |
| 2 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30