Security Snapshot

SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share (SIRI) Institutional Ownership

CUSIP: 829933100

13F Institutional Holders and Ownership History from Q3 2024 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

501

Shares (Excl. Options)

249,035,808

Price

$20.00

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Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
SIRI on Nasdaq
Shares outstanding
336,407,323
Price per share
$23.08
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
249,035,808
Total reported value
$4,979,945,672
% of total 13F portfolios
0.01%
Share change
+6,614,638
Value change
+$119,847,883
Number of holders
501
Price from insider filings
$23.08
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • SIRI - SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share is tracked under CUSIP 829933100.
  • 501 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 501 to 82 between Q4 2025 and Q1 2026.
  • Reported value moved from $4,979,945,672 to $23,826,961.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 501 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 829933100?
CUSIP 829933100 identifies SIRI - SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share (SIRI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BERKSHIRE HATHAWAY INC 37% $2,904,885,648 124,807,117 Warren E. Buffett 30 Sep 2025
BUFFETT WARREN E 35% $2,552,592,091 117,468,573 Warren E. Buffett 31 Dec 2024
VANGUARD GROUP INC 5.8% $429,056,720 19,744,902 The Vanguard Group 31 Mar 2025

As of 31 Dec 2025, 501 institutional investors reported holding 249,035,808 shares of SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share (SIRI). This represents 74% of the company’s total 336,407,323 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share (SIRI) together control 62% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Berkshire Hathaway Inc 37% 124,807,117 0% 0.91% $2,495,518,305
VANGUARD GROUP INC 5.4% 18,320,515 -1.9% 0.01% $366,318,697
BlackRock, Inc. 3% 10,050,903 +16% 0% $200,967,810
Kontiki Capital Management (HK) Ltd. 1.8% 5,968,024 -10% 6.9% $119,330,640
GEODE CAPITAL MANAGEMENT, LLC 1.1% 3,689,187 -4.3% 0% $73,817,474
STATE STREET CORP 1% 3,487,415 +0.75% 0% $69,730,864
D. E. Shaw & Co., Inc. 0.98% 3,306,242 -11% 0.05% $66,108,309
GOLDMAN SACHS GROUP INC 0.97% 3,275,597 +156% 0.01% $65,495,568
LSV ASSET MANAGEMENT 0.91% 3,073,200 -2.2% 0.13% $61,449,000
CHECK CAPITAL MANAGEMENT INC/CA 0.86% 2,883,500 +40% 3.4% $57,655,582
NORGES BANK 0.85% 2,856,916 0.01% $57,124,035
TWO SIGMA INVESTMENTS, LP 0.75% 2,518,787 +30% 0.08% $50,363,146
AMERIPRISE FINANCIAL INC 0.71% 2,375,730 -9.8% 0.01% $47,502,728
THOMPSON SIEGEL & WALMSLEY LLC 0.69% 2,313,347 -5.3% 0.78% $46,255,000
HSBC HOLDINGS PLC 0.62% 2,076,539 +858% 0.02% $41,726,344
Bank of New York Mellon Corp 0.6% 2,019,901 +254% 0.01% $40,387,912
SEIZERT CAPITAL PARTNERS, LLC 0.56% 1,900,152 -3.1% 1.6% $37,993,540
CANADA PENSION PLAN INVESTMENT BOARD 0.56% 1,875,280 +15% 0.03% $37,496,224
DIMENSIONAL FUND ADVISORS LP 0.52% 1,740,360 +434% 0.01% $34,798,499
Pacer Advisors, Inc. 0.51% 1,727,827 0.09% $34,547,901
MORGAN STANLEY 0.51% 1,711,686 -21% 0% $34,225,166
HBK INVESTMENTS L P 0.5% 1,685,004 0.36% $33,691,655
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.48% 1,627,230 +10% 0.01% $32,536,471
UBS Group AG 0.45% 1,524,795 +37% 0.01% $30,488,276
AQR CAPITAL MANAGEMENT LLC 0.43% 1,449,947 -48% 0.02% $28,991,692

Institutional Holders of SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.01 per share (SIRI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 1,024,194 $23,826,961 -$2,577 $23.08 82
2025 Q4 249,035,808 $4,979,945,672 +$119,847,883 $20.00 501
2025 Q3 242,807,919 $5,649,757,007 -$65,390,420 $23.28 533
2025 Q2 245,834,637 $5,645,184,438 +$72,956,429 $22.97 538
2025 Q1 247,417,672 $5,576,412,386 -$154,801,273 $22.54 541
2024 Q4 254,232,221 $5,796,369,996 +$140,670,313 $22.80 541
2024 Q3 245,992,440 $5,825,067,060 +$5,587,786,215 $23.65 484