DOSSIER · 13F Holders · Q1 2026
GDXW

ROUNDHILL ETF TRUST

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

CUSIP 77926X486·6 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3M
visible holders
Holders
6
filers reporting
Concentration
63.62%
JANE STREET GROUP, LLC #1
top holder share
AI Holders Summary · Q1 2026

6 institutions reported GDXW in Q1 2026. JANE STREET GROUP, LLC leads at 63.6% 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
$2M36K0.00%Q1 2026
02
CITADEL ADVISORS LLC
CIK 0001423053
$665K11K0.00%Q4 2025
03
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$388K7K0.00%Q1 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$29K5480.00%Q1 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$8K1540.00%Q1 2026
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$3K500.00%Q1 2026