HolderBook

THEMES ETF TR (BULG)

Institutional ownership reported to the SEC as of Q1 2026, across 3 quarters.

7
Reporting holders
$267.1K
Reported value
11.5%
Held as options
+1
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
Optiver Holding B.V.$165.5K159,1550.00%3q+111.3%+$87.2K
CITADEL ADVISORS LLC$44.7K24,2350.00%3q-58.3%-$62.4K
SUSQUEHANNA INTERNATIONAL GROUP, LLP$20.0K19,2210.00%2q-49.1%-$19.3K
TWO SIGMA SECURITIES, LLC$14.3K13,7490.00%2q-34.0%-$7.4K
XTX Topco Ltd$11.2K10,8120.00%newNEW
Belvedere Trading LLC$11.2Koptions only0.00%newOPTIONS
SIMPLEX TRADING, LLC$1251210.00%newNEW

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q1 20267$267.1K227,29331311.5%
Q4 20256$782.3K192,28631120.6%
Q3 20253$259.2K5,73130070.2%