DOSSIER · 13F Holders · Q1 2026
MPG

THEMES ETF TR

3 institutions still hold THEMES ETF TR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88340C842·3 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$339K
visible holders
Holders
3
filers reporting
Concentration
70.58%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q1 2026

3 institutions reported MPG in Q1 2026. Optiver Holding B.V. leads at 70.6% 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
$239K47K0.00%Q1 2026
02
Virtu Financial LLC
CIK 0001533964· Market maker
$93K18K0.00%Q1 2026
03
UBS Group AG
CIK 0001610520
$7K1K0.00%Q1 2026
Insiders at THEMES ETF TR
Bradley Russell KentFord Gary DavidDono Thomas Michael JrBhambri NickBlaufuss MarkSmith John PearsonGrimm Douglas J.