Security key
829933100
SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.001 per share (SIRI)
CUSIP: 829933100
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 245,834,637
- Total 13F value
- $5,645,184,438
- Share change
- +3,086,546
- Put/Call ratio
- 45%
- SEC-reported price per share
- $22.97
- Number of holders
- 538
- Value change
- +$72,956,429
- Number of buys
- 223
- Number of sells
- 250
- Shares outstanding
- 334,923,564
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2025
Institutions
538
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, par value $0.001 per share (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
Warren E. Buffett
Disclosed value leader
BERKSHIRE HATHAWAY INC
Comparable rows
15/15
Latest evidence
31 Mar 2025
13D/G
13F
Lead comparable stake: 35%
13D/G row: Warren E. Buffett
Showing 1-6 of 15 holder rows.
Quick read
Warren E. Buffett leads the comparable SEC ownership view at 35%.
15 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 Warren E. Buffett's linked filing trail.
Comparable ownership
Top 5
Warren E. Buffett
35%
BERKSHIRE HATHAWAY INC
36%
VANGUARD GROUP INC
5.9%
BlackRock, Inc.
2.7%
D. E. Shaw & Co., Inc.
1.3%
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 |
|---|---|---|---|---|---|
| Warren E. Buffett |
13D/G
|
35%
|
$2,552,592,091
117,468,573 shares
|
$0 | 31 Dec 2024 |
| BERKSHIRE HATHAWAY INC |
13F
Company
|
36%
|
$2,700,365,521
119,776,692 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
5.9%
|
$445,148,816
19,744,902 shares
|
— | 31 Mar 2025 |
| BlackRock, Inc. |
13F
Company
|
2.7%
|
$201,224,985
8,925,482 shares
|
— | 31 Mar 2025 |
| D. E. Shaw & Co., Inc. |
13F
Company
|
1.3%
|
$99,132,665
4,397,102 shares
|
— | 31 Mar 2025 |
| FPR PARTNERS LLC |
13F
Company
|
1.3%
|
$99,096,998
4,395,520 shares
|
— | 31 Mar 2025 |
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 Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
538
Shares
245,834,637
Rows available
538
| 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 Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
541
Q2 2025 holders
538
Holder diff
-3
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|