Security key
829933100
SIRIUS XM HOLDINGS INC. - Common Stock (SIRI)
CUSIP: 829933100
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 3,204,056
- Total 13F value
- $82,798,488
- Share change
- +199,012
- SEC-reported price per share
- $25.88
- Number of holders
- 115
- Value change
- +$4,924,338
- Number of buys
- 36
- Number of sells
- 55
- Shares outstanding
- 334,923,564
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
115
Top holders
10
SIRI full security history
Ownership snapshot
Full 13F holder table
SIRIUS XM HOLDINGS INC. SEC filings
SIRIUS XM HOLDINGS INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of SIRI - SIRIUS XM HOLDINGS INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BERKSHIRE HATHAWAY INC
Disclosed value leader
BERKSHIRE HATHAWAY INC
Comparable rows
3/15
Latest evidence
26 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 37%
12 rows are not safely comparable across share classes.
13D/G row: BERKSHIRE HATHAWAY INC
Showing 1-6 of 15 holder rows.
Quick read
BERKSHIRE HATHAWAY INC leads the comparable SEC ownership view at 37%.
3 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BERKSHIRE HATHAWAY INC's linked filing trail.
Comparable ownership
Top 3
BERKSHIRE HATHAWAY INC
37%
Warren E. Buffett
35%
John C. Malone
5.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC |
13F
13D/G
3/4/5
Company · Warren E. Buffett · 10%+ Owner
|
37%
Reported 13D/G
· 30 Sep 2025
|
$3,686,802,237
124,807,117 shares
|
— | 30 Jun 2026 |
| Warren E. Buffett |
13D/G
|
35%
Reported 13D/G
· 31 Dec 2024
|
$2,552,592,091
117,468,573 shares
|
$0 | 31 Dec 2024 |
| John C. Malone |
13D/G
|
5.5%
Reported 13D/G
· 21 Apr 2026
|
$493,493,125
18,420,796 shares
|
$0 | 21 Apr 2026 |
| R. Ted Weschler |
3/4/5
Member of 10% owner group
|
—
denominator unverified
|
$2,438,161
770,692 shares
|
— | 09 Sep 2024 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$519,969,849
17,602,229 shares
|
— | 30 Jun 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$310,527,367
10,512,352 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
115
Shares
3,204,056
Rows available
115
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
598
Q3 2026 holders
115
Holder diff
-483
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|