Security key
82968B103
- Security type / class
- Equity / Sirius XM Holdings Inc
- Total 13F shares
- 575,823,572
- Total 13F value
- $3,507,316,798
- Share change
- -52,435,070
- Put/Call ratio
- 54%
- SEC-reported price per share
- $6.09
- Number of holders
- 598
- Value change
- -$326,098,085
- Number of buys
- 224
- Number of sells
- 320
Open additional details 1 more signal available
Report period
Q1 2021
Institutions
598
Top holders
10
SIRI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
SIRIUS XM HOLDINGS INC. SEC filings
SIRIUS XM HOLDINGS INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 82968B103
Recent filing periods:
Ownership snapshot
Top reported holders of SIRI - SIRI - Sirius XM Holdings Inc (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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
0/15
Latest evidence
31 Dec 2020
13F
Highest disclosed value: $574,168,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. has the largest disclosed position value at $574.17M.
0 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 BlackRock Finance, Inc.'s linked filing trail.
Disclosed position value
Top 5
BlackRock Finance, Inc.
$574.17M
VANGUARD GROUP INC
$491.57M
BERKSHIRE HATHAWAY INC
$318.5M
DSM CAPITAL PARTNERS LLC
$239.49M
STATE STREET CORP
$186.12M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
—
class O/S missing
|
$574,168,000
90,136,143 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$491,571,000
77,169,688 shares
|
— | 31 Dec 2020 |
| BERKSHIRE HATHAWAY INC |
13F
Company
|
—
class O/S missing
|
$318,500,000
50,000,000 shares
|
— | 31 Dec 2020 |
| DSM CAPITAL PARTNERS LLC |
13F
Company
|
—
class O/S missing
|
$239,493,000
37,597,119 shares
|
— | 31 Dec 2020 |
| STATE STREET CORP |
13F
Company
|
—
class O/S missing
|
$186,123,000
29,218,686 shares
|
— | 31 Dec 2020 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$114,760,000
18,031,231 shares
|
— | 31 Dec 2020 |
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 Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
598
Shares
575,823,572
Rows available
598
| 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 Q1 2021 vs Q1 2026 Across Filers
Q1 2026 holders
5
Q1 2021 holders
598
Holder diff
593
| Investor | Q1 2026 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend