DOSSIER · 13F Holders · Q1 2026

THEMES ETF TR

8 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 88340F738·8 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$4M
visible holders
Holders
8
filers reporting
Concentration
59.60%
Garden State Investment Advisory Services LLC #1
top holder share
AI Holders Summary · Q1 2026

8 institutions reported THEMES ETF TR in Q1 2026. Garden State Investment Advisory Services LLC leads at 59.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Garden State Investment Advisory Services LLC
CIK 0001965351
$2M720K0.50%Q1 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$810K254K0.00%Q1 2026
03
Virtu Financial LLC
CIK 0001533964· Market maker
$475K149K0.02%Q1 2026
04
GTS SECURITIES LLC
CIK 0001452765· Market maker
$137K43K0.00%Q1 2026
05
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$96K30K0.00%Q1 2026
06
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$35K11K0.00%Q1 2026
07
SIMPLEX TRADING, LLC
CIK 0001488542
$133420.00%Q1 2026
08
Tower Research Capital LLC (TRC)
CIK 0001533421
$67210.00%Q1 2026