BULG — Themes ETF Tr Institutional Holders · Q2 2026
Who owns Themes ETF Tr (BULG)? 7 institutions reported holding $27,810 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Optiver Holding B.V. ($14,327), Simplex Trading, LLC ($13,483), Citadel Advisors LLC ($0).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $14,327 | 442 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $13,483 | 416 | Added |
| 3 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 5 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 6 | Belvedere Trading LLC | $0 | 0 | Exited |
| 7 | XTX Topco Ltd | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30