DOSSIER · 13F Holders · Q1 2026
NBIG

THEMES ETF TR

10 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 88340C677·10 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$2M
visible holders
Holders
10
filers reporting
Concentration
22.61%
JANE STREET GROUP, LLC #1
top holder share
AI Holders Summary · Q1 2026

10 institutions reported NBIG in Q1 2026. JANE STREET GROUP, LLC leads at 22.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$407K56K0.00%Q1 2026
02
GWN SECURITIES INC.
CIK 0001265905
$287K39K0.05%Q1 2026
03
Belvedere Trading LLC
CIK 0001632341
$284K39K0.00%Q1 2026
04
Optiver Holding B.V.
CIK 0001859606· Market maker
$193K26K0.00%Q1 2026
05
CITADEL ADVISORS LLC
CIK 0001423053
$164K25K0.00%Q4 2025
06
Strategic Investment Solutions, Inc. /IL
CIK 0001960144
$159K4K0.04%Q2 2026
07
GTS SECURITIES LLC
CIK 0001452765· Market maker
$127K17K0.00%Q1 2026
08
UBS Group AG
CIK 0001610520
$97K13K0.00%Q1 2026
09
SBI Securities Co., Ltd.
CIK 0001851815
$83K2K0.00%Q2 2026
10
OSAIC HOLDINGS, INC.
CIK 0001677044
$8041100.00%Q1 2026