DOSSIER · 13F Holders · Q1 2026
NIOG

THEMES ETF TR

1 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 88340F506·1 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$830K
visible holders
Holders
1
filers reporting
Concentration
100.00%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q1 2026

1 institutions reported NIOG in Q1 2026. Optiver Holding B.V. leads at 100.0% 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
$830K41K0.00%Q1 2026