DOSSIER · 13F Holders · Q2 2026
BULG

THEMES ETF TR

2 institutions still hold THEMES ETF TR as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88340C347·2 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$28K
visible holders
Holders
2
filers reporting
Concentration
51.52%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

2 institutions reported BULG in Q2 2026. Optiver Holding B.V. leads at 51.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$14K4420.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$13K4160.00%Q2 2026