18 institutions reported holding $14.6M of THEMES ETF TR (SSPC) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($2.6M), Virtu Financial LLC ($2.2M), JANE STREET GROUP, LLC ($2.1M), StoneX Group Inc. ($1.5M), Optiver Holding B.V. ($1.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $2.6M | 249,100 | New |
| 2 | Virtu Financial LLC | $2.2M | 213,333 | New |
| 3 | JANE STREET GROUP, LLC | $2.1M | 204,072 | New |
| 4 | StoneX Group Inc. | $1.5M | 148,919 | New |
| 5 | Optiver Holding B.V. | $1.5M | 145,977 | New |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.3M | 126,800 | New |
| 7 | Jump Financial, LLC | $1.1M | 104,598 | New |
| 8 | GOLDMAN SACHS GROUP INC | $620,012 | 60,489 | New |
| 9 | IMC-Chicago, LLC | $471,982 | 46,047 | New |
| 10 | SIMPLEX TRADING, LLC | $370,752 | 36,171 | New |
| 11 | HRT FINANCIAL LP | $360,000 | 35,210 | New |
| 12 | UBS Group AG | $307,500 | 30,000 | New |
| 13 | Belvedere Trading LLC | $174,804 | 17,054 | New |
| 14 | EverSource Wealth Advisors, LLC | $25,625 | 2,500 | New |
| 15 | MORGAN STANLEY | $15,375 | 1,500 | New |
| 16 | HARBOUR INVESTMENTS, INC. | $3,895 | 380 | New |
| 17 | OSAIC HOLDINGS, INC. | $1,025 | 100 | New |
| 18 | Allworth Financial LP | $8 | 1 | New |
Source: SEC Form 13F filings · as of 2026-06-30