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SIMPLEX TRADING, LLC

Position in SIRI — Sirius Xm Holdings Inc.

CIK 1488542 CHICAGO, IL

Position in SIRI

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$838,173
-$1,476,367 QoQ
Shares Held
36,316
-68.6% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2024
5 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in SIRI Over Time

Shares Held

Position Value (USD)

Position in Entertainment

Communication Services · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $22,727,835 across 13 Entertainment names. SIRI ranks #4 (3.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 SIRI
Sirius Xm Holdings Inc.
This page
36,316 $838,173

All Filings in SIRI

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5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $838,173 36,316
2025-12-31 $2,314,540 115,727
2025-09-30 $613,893 26,370
2024-12-31 $3,200,686 140,381
2024-09-30 $9,446,472 399,428