9 institutions reported holding $2.5M of THEMES ETF TR (PLTG) in SEC 13F filings for 2026-03-31. Largest institutional holders: GTS SECURITIES LLC ($505,943), ENTREWEALTH, LLC ($455,207), CITADEL ADVISORS LLC ($405,248), Virtu Financial LLC ($400,000), Optiver Holding B.V. ($383,165). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GTS SECURITIES LLC | $505,943 | 31,961 | New |
| 2 | ENTREWEALTH, LLC | $455,207 | 28,756 | Hold |
| 3 | CITADEL ADVISORS LLC | $405,248 | 25,600 | Added |
| 4 | Virtu Financial LLC | $400,000 | 25,248 | New |
| 5 | Optiver Holding B.V. | $383,165 | 24,205 | New |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $313,719 | 19,818 | Trimmed |
| 7 | SIMPLEX TRADING, LLC | $64,491 | 4,074 | Added |
| 8 | SBI Securities Co., Ltd. | $111 | 7 | New |
| 9 | Austin Wealth Management, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31