13F reference period
Q2 2026
Security Snapshot
SIRIUS XM HOLDINGS INC. - Common Stock (SIRI) Institutional Ownership
CUSIP: 829933100
13F Institutional Holders and Ownership History from Q3 2024 to Q3 2026
Institutions Reporting
598
Shares (Excl. Options)
282,169,119
Price
$29.54
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Common Stock
- Symbol
- SIRI on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 282,169,119
- Total 13F value
- $8,331,693,731
- Portfolio coverage rank
- 0.01%
- Share change
- +23,671,222
- Value change
- +$736,403,914
- Number of holders
- 598
- Shares outstanding
- 334,923,564
- SEC-reported price per share
- $25.88
- Insider filing price
- $25.88
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- SIRI - SIRIUS XM HOLDINGS INC. - Common Stock is tracked under CUSIP 829933100.
- 598 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 557 to 598 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $5,976,719,292 to $8,331,693,731.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 598 institutions filings for Q2 2026.
Security key
829933100
13F reference period
Q2 2026
13F holders
598
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
SIRI full holder history
SIRIUS XM HOLDINGS INC. SEC filings
SIRIUS XM HOLDINGS INC. company facts
SIRIUS XM HOLDINGS INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 829933100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
SIRI
| 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 | |||
| MALONE JOHN C | 5.5% | $493,493,125 | 18,420,796 | John C. Malone | 21 Apr 2026 |
As of 30 Jun 2026, 598 institutional investors reported holding 282,169,119 shares of SIRIUS XM HOLDINGS INC. - Common Stock (SIRI). This represents 84% of the company’s total 334,923,564 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
69%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Berkshire Hathaway Inc | 37% | 124,807,117 | 0% | 1.2% | $3,686,802,237 |
| BlackRock, Inc. | 5.3% | 17,602,229 | +83% | 0.01% | $519,969,849 |
| DIMENSIONAL FUND ADVISORS LP | 3.1% | 10,512,352 | +67% | 0.06% | $310,527,367 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7% | 9,082,629 | +4.3% | 0.01% | $268,300,861 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.5% | 8,386,784 | +1% | 0.01% | $247,745,599 |
| Kontiki Capital Management (HK) Ltd. | 1.8% | 6,082,824 | +6.8% | 12% | $179,686,621 |
| STATE STREET CORP | 1.8% | 5,992,497 | +69% | 0.01% | $177,018,361 |
| Boston Partners | 1.5% | 5,080,806 | 0.13% | $150,170,810 | |
| Gates Capital Management, Inc. | 1.4% | 4,539,927 | +66% | 4.4% | $134,109,444 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2% | 3,901,488 | +5.3% | 0.01% | $115,276,087 |
| LSV ASSET MANAGEMENT | 1.1% | 3,620,469 | +12% | 0.19% | $106,949,000 |
| AQR CAPITAL MANAGEMENT LLC | 1% | 3,396,308 | +14% | 0.03% | $98,374,052 |
| CITADEL ADVISORS LLC | 0.99% | 3,310,550 | +1.5% | 0.06% | $97,793,647 |
| Bank of New York Mellon Corp | 0.9% | 3,012,240 | +38% | 0.01% | $88,981,571 |
| GOLDMAN SACHS GROUP INC | 0.9% | 3,007,137 | -23% | 0.01% | $88,830,827 |
| CHECK CAPITAL MANAGEMENT INC/CA | 0.87% | 2,927,799 | -0.5% | 4.9% | $86,487,194 |
| J. Goldman & Co LP | 0.87% | 2,921,651 | 3% | $86,305,571 | |
| CANADA PENSION PLAN INVESTMENT BOARD | 0.71% | 2,364,933 | -39% | 0.04% | $69,860,121 |
| NORGES BANK | 0.62% | 2,091,917 | 0.01% | $61,795,228 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.53% | 1,760,633 | +1.2% | 0.01% | $52,009,092 |
| Squarepoint Ops LLC | 0.49% | 1,649,327 | +3566% | 0.1% | $48,721,120 |
| Pacer Advisors, Inc. | 0.49% | 1,646,246 | 0.13% | $48,630,000 | |
| MORGAN STANLEY | 0.49% | 1,641,435 | -24% | 0% | $48,488,054 |
| NORTHERN TRUST CORP | 0.47% | 1,584,505 | +45% | 0.01% | $46,806,278 |
| Tidal Investments LLC | 0.46% | 1,524,823 | +26% | 0.11% | $45,043,271 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
9
Headline period
Q2 2026
Rows shown
1-9 of 9
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 2,570,875 | $66,418,648 | +$4,623,843 | $25.88 | 86 |
| 2026 Q2 | 282,169,119 | $8,331,693,731 | +$736,403,914 | $29.54 | 598 |
| 2026 Q1 | 258,995,891 | $5,976,719,292 | +$250,029,299 | $23.08 | 557 |
| 2025 Q4 | 249,196,458 | $4,983,157,870 | +$119,722,614 | $20.00 | 507 |
| 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 |