5 institutions reported holding $2.5M of THEMES ETF TR (VALG) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($1.4M), Optiver Holding B.V. ($700,067), SIMPLEX TRADING, LLC ($183,497), GROUP ONE TRADING LLC ($140,307), UBS Group AG ($36). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $1.4M | 66,900 | New |
| 2 | Optiver Holding B.V. | $700,067 | 38,513 | Added |
| 3 | SIMPLEX TRADING, LLC | $183,497 | 12,500 | Added |
| 4 | GROUP ONE TRADING LLC | $140,307 | 12,000 | Added |
| 5 | UBS Group AG | $36 | 2 | New |
来源：SEC 13F 申报文件 · 截至 2026-06-30