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WHITEBOX ADVISORS LLC

Position in SIRI — Sirius Xm Holdings Inc.

CIK 1257391 MINNEAPOLIS, MN

Position in SIRI

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$3,553,004
+$134,144 QoQ
Shares Held
153,943
-9.9% QoQ
Ownership
0.046%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SIRI Over Time

Shares Held

Position Value (USD)

Position in Entertainment

Communication Services · as of Mar 31, 2026

WHITEBOX ADVISORS LLC holds $49,608,810 across 3 Entertainment names. SIRI ranks #2 (7.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 SIRI
Sirius Xm Holdings Inc.
This page
153,943 $3,553,004

All Filings in SIRI

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7 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,553,004 153,943
2025-12-31 $3,418,860 170,943
2025-09-30 $3,863,153 165,943
2025-06-30 $3,949,530 171,943
2025-03-31 $3,292,908 146,027
2024-12-31 $8,589,558 376,735
2024-09-30 $27,829,475 1,176,722