DOSSIER · 13F Holders · Q3 2026
AMDW

ROUNDHILL ETF TRUST

8 institutions still hold ROUNDHILL ETF TRUST as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 77926X783·8 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$28M
visible holders
Holders
8
filers reporting
Concentration
33.75%
CITADEL ADVISORS LLC #1
top holder share
AI Holders Summary · Q3 2026

8 institutions reported AMDW in Q3 2026. CITADEL ADVISORS LLC leads at 33.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
CITADEL ADVISORS LLC
CIK 0001423053
$10M83K0.00%Q2 2026
02
EXCHANGE TRADED CONCEPTS, LLC
CIK 0001457320
$9M92K0.04%Q3 2026
03
Belvedere Trading LLC
CIK 0001632341
$7M70K0.00%Q3 2026
04
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$911K8K0.00%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$692K7K0.00%Q3 2026
06
SIMPLEX TRADING, LLC
CIK 0001488542
$337K3K0.00%Q3 2026
07
Qube Research & Technologies Ltd
CIK 0001729829
$239K2K0.00%Q3 2026
08
TD Waterhouse Canada Inc.
CIK 0001999606
$5K500.00%Q3 2026