DOSSIER · 13F Holders · Q2 2026

SIRIUSXM HOLDINGS INC

5 institutions still hold SIRIUSXM HOLDINGS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 829933950·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$35M
visible holders
Holders
5
filers reporting
Concentration
45.58%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported SIRIUSXM HOLDINGS INC in Q2 2026. SIMPLEX TRADING, LLC leads at 45.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$16M543K0.01%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$14M476K0.02%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$5M171K0.00%Q2 2026
04
Alpine Global Management, LLC
CIK 0001581655
$25K4500.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025