13F reference period
Q3 2026
Security Snapshot
SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.001 per share (SIRI) Institutional Ownership
CUSIP: 829933100
13F Institutional Holders and Ownership History from Q3 2024 to Q3 2026
Institutions Reporting
356
Shares (Excl. Options)
71.72M
Full value: 71,721,796 · shares · 30 Sep 2026Price
$25.88
The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- SIRI on Nasdaq
- All holders as of 30 Sep 2026
- Q3 2026
- Total 13F shares
- 71,721,796
- Total 13F value
- $1,860,821,796
- Portfolio coverage rank
- 0%
- Share change
- +3,629,125
- Value change
- +$91,849,768
- Number of holders
- 356
- Shares outstanding
- 335,979,604
- SEC-reported price per share
- $26.33
- Insider filing price
- $26.33
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, par value $0.001 per share is tracked under CUSIP 829933100.
- 356 institutions reported positions in Q3 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 600 to 356 between Q2 2026 and Q3 2026.
- SEC-reported value moved from to
$8.33B
Full value: $8,331,909,966 · USD · 30 Jun 2026.$1.86B
Full value: $1,860,821,796 · USD · 30 Sep 2026
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 356 institutions filings for Q3 2026.
Security key
829933100
13F reference period
Q3 2026
13F holders
356
13D/G owners
3
CIK / CUSIP context first
Open Q3 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 | 4.8% | -12% | $424,624,463 | -$60,395,096 | 16,127,021 | -12% | John C. Malone | 06 Nov 2026 |
As of 30 Sep 2026,
356
institutional investors reported holding
shares of
SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.001 per share (SIRI).
This represents
21%
of the company’s total
outstanding shares.
71.72M
Full value: 71,721,796 · shares · 30 Sep 2026335.98M
Full value: 335,979,604 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
18%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 4% | 13,275,758 | +26% | 0.06% | $343,573,055 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7% | 9,191,992 | +1.2% | 0.01% | $237,888,753 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.5% | 8,311,052 | -0.9% | 0% | $215,090,026 |
| STATE STREET CORP | 1.8% | 6,044,332 | +0.86% | 0% | $156,427,312 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2% | 3,978,580 | +2% | 0.01% | $102,988,753 |
| CHECK CAPITAL MANAGEMENT INC/CA | 0.86% | 2,889,225 | -1.3% | 4.7% | $74,773,149 |
| Tidal Investments LLC | 0.54% | 1,806,816 | +18% | 0.11% | $46,760,398 |
| MORGAN STANLEY | 0.49% | 1,635,227 | -0.38% | 0% | $42,319,725 |
| Invesco Ltd. | 0.47% | 1,566,434 | +116% | 0% | $40,539,312 |
| DEPRINCE RACE & ZOLLO INC | 0.39% | 1,313,103 | +17% | 0.6% | $33,983,106 |
| WEITZ INVESTMENT MANAGEMENT, INC. | 0.35% | 1,188,000 | 0% | 2.1% | $30,745,440 |
| VANGUARD FIDUCIARY TRUST CO | 0.35% | 1,173,291 | -1.3% | 0.01% | $30,364,771 |
| PRIVATE MANAGEMENT GROUP INC | 0.31% | 1,051,944 | -15% | 0.75% | $27,224,311 |
| THOMPSON SIEGEL & WALMSLEY LLC | 0.28% | 956,238 | -11% | 0.46% | $24,747,000 |
| RAYMOND JAMES FINANCIAL INC | 0.26% | 876,428 | +2.5% | 0.01% | $22,681,964 |
| FIRST TRUST ADVISORS LP | 0.22% | 732,549 | -17% | 0.01% | $18,958,368 |
| PANAGORA ASSET MANAGEMENT INC | 0.19% | 637,042 | -0.72% | 0.05% | $16,486,647 |
| Verition Fund Management LLC | 0.18% | 614,561 | +253% | 0.12% | $15,904,839 |
| Hi-Line Capital Management, LLC | 0.17% | 584,921 | -14% | 4.4% | $15,137,755 |
| GABELLI FUNDS LLC | 0.14% | 486,072 | -4.9% | 0.08% | $12,579,543 |
| S&CO INC | 0.14% | 485,559 | -15% | 0.71% | $12,566,000 |
| CAPITAL MANAGEMENT CORP /VA | 0.13% | 444,919 | +4.3% | 1.7% | $11,514,494 |
| swisspartners Advisors Ltd | 0.12% | 415,600 | +0.49% | 7.1% | $10,755,713 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.12% | 411,291 | 0.02% | $10,644,211 | |
| Chou Associates Management Inc. | 0.12% | 409,589 | 0% | 5% | $10,600,168 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
9
Headline period
Q3 2026
Rows shown
1-9 of 9
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 71,721,796 | $1,860,821,796 | +$91,849,768 | $25.88 | 356 |
| 2026 Q2 | 282,176,437 | $8,331,909,966 | +$736,604,809 | $29.54 | 600 |
| 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 |