13F

Stock

Themes Etf Tr

Ticker not mapped · held by 6 managers

Reported value

$236.4K

Holders

6

+2 new · −2 exited

Holders’ est. mark

−$290.2K

Price effect on 4 books still in the name

Largest holder

$165.5K

Optiver Holding B.V.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Optiver Holding B.V.159.2K$165.5K−$164.9KCut−$77.7K
Citadel24.2K$25.2K−$53.1KCut−$162.5K
SUSQUEHANNA INTERNATIONAL GROUP, LLP19.2K$20K−$42.1KCut−$102K
TWO SIGMA SECURITIES, LLC13.7K$14.3K−$30.1KCut−$53K
XTX Topco Ltd10.8K$11.2KNew
SIMPLEX TRADING, LLC121$125New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.