NBIG — Themes ETF Tr Institutional Holders · Q2 2026
Who owns Themes ETF Tr (NBIG)? 12 institutions reported holding $46.07M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Citadel Advisors LLC ($26.0M), Jane Street Group, LLC ($9.7M), Susquehanna International Group, LLP ($7.0M).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $26.0M | 654,130 | Added |
| 2 | JANE STREET GROUP, LLC | $9.7M | 244,100 | Added |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $7.0M | 176,500 | New |
| 4 | Belvedere Trading LLC | $1.5M | 37,700 | Trimmed |
| 5 | GWN SECURITIES INC. | $1.3M | 31,540 | Trimmed |
| 6 | GTS SECURITIES LLC | $269,239 | 6,775 | Trimmed |
| 7 | Strategic Investment Solutions, Inc. /IL | $158,960 | 4,000 | New |
| 8 | Optiver Holding B.V. | $89,494 | 2,252 | Trimmed |
| 9 | SBI Securities Co., Ltd. | $82,937 | 2,087 | Added |
| 10 | OSAIC HOLDINGS, INC. | $4,371 | 110 | Hold |
| 11 | HOLLENCREST CAPITAL MANAGEMENT | $318 | 8 | New |
| 12 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30