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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in SIRI — Sirius Xm Holdings Inc.

CIK 1165408 Boston, MA

Position in SIRI

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$2,455,758
-$1,672,282 QoQ
Shares Held
106,402
-48.4% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2024
7 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

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $736,381,806 across 7 Entertainment names. SIRI ranks #7 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 SIRI
Sirius Xm Holdings Inc.
This page
106,402 $2,455,758

All Filings in SIRI

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7 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,455,758 106,402
2025-12-31 $4,128,040 206,402
2025-09-30 $5,969,038 256,402
2025-06-30 $12,206,303 531,402
2025-03-31 $11,983,115 531,402
2024-12-31 $14,836,461 650,722
2024-09-30 $29,579,575 1,250,722