DOSSIER · 13F Holders · Q2 2026
MAGX

ROUNDHILL ETF TRUST

14 institutions still hold ROUNDHILL ETF TRUST as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 77926X700·14 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$3M
visible holders
Holders
14
filers reporting
Concentration
39.41%
GOLDMAN SACHS GROUP INC #1
top holder share
AI Holders Summary · Q2 2026

14 institutions reported MAGX in Q2 2026. GOLDMAN SACHS GROUP INC leads at 39.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GOLDMAN SACHS GROUP INC
CIK 0000886982
$1M26K0.00%Q2 2026
02
CITADEL ADVISORS LLC
CIK 0001423053
$655K13K0.00%Q2 2026
03
Belvedere Trading LLC
CIK 0001632341
$537K11K0.00%Q2 2026
04
FLOW TRADERS U.S. LLC
CIK 0001466697· Market maker
$325K8K0.01%Q1 2026
05
Evernest Financial Advisors, LLC
CIK 0002009530
$293K6K0.06%Q2 2026
06
SIMPLEX TRADING, LLC
CIK 0001488542
$167K3K0.00%Q2 2026
07
Physician Wealth Advisors, Inc.
CIK 0001795173
$49K8630.01%Q4 2025
08
Capital Investment Advisory Services, LLC
CIK 0001659203
$26K5000.00%Q2 2026
09
GROUP ONE TRADING LLC
CIK 0000932540
$14K2790.00%Q2 2026
10
UBS Group AG
CIK 0001610520
$3K560.00%Q2 2026
11
Parallel Advisors, LLC
CIK 0001690010
$3K510.00%Q2 2026
12
Qube Research & Technologies Ltd
CIK 0001729829
$2K370.00%Q2 2026
13
Steward Partners Investment Advisory, LLC
CIK 0001723397
$500.00%Q2 2026
14
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025