TSLG — Themes ETF Tr Institutional Holders · Q2 2026
Who owns Themes ETF Tr (TSLG)? 13 institutions reported holding $9.61M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Susquehanna International Group, LLP ($6.2M), Hrt Financial LP ($2.0M), Two Sigma Securities, LLC ($613,322).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $6.2M | 886,084 | Added |
| 2 | HRT FINANCIAL LP | $2.0M | 278,707 | Added |
| 3 | TWO SIGMA SECURITIES, LLC | $613,322 | 86,996 | Added |
| 4 | GOLDMAN SACHS GROUP INC | $326,436 | 46,303 | New |
| 5 | XTX Topco Ltd | $231,853 | 32,887 | Added |
| 6 | Optiver Holding B.V. | $180,670 | 25,627 | Trimmed |
| 7 | Larson Financial Group LLC | $37,513 | 5,321 | Added |
| 8 | SBI Securities Co., Ltd. | $7,325 | 1,039 | Added |
| 9 | SIMPLEX TRADING, LLC | $4,963 | 704 | Trimmed |
| 10 | Tower Research Capital LLC (TRC) | $536 | 76 | Trimmed |
| 11 | UBS Group AG | $444 | 63 | New |
| 12 | Blueprint Investment Partners LLC | $0 | 0 | Exited |
| 13 | Blueprint Financial Advisors LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30