Security key
829933100
CUSIP: 829933100
Security key
829933100
Report period
Q1 2025
Institutions
541
Top holders
10
Broader feeds
Ownership snapshot
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.
Quick read
1 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Warren E. Buffett |
13D/G
|
35%
Reported 13D/G
· 31 Dec 2024
|
$2,552,592,091
117,468,573 shares
|
$0 | 31 Dec 2024 |
| R. Ted Weschler |
3/4/5
Member of 10% owner group
|
—
denominator unverified
|
$2,438,161
770,692 shares
|
— | 09 Sep 2024 |
| BERKSHIRE HATHAWAY INC |
13F
Company
|
—
denominator unverified
|
$2,678,283,465
117,468,573 shares
|
— | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$490,141,791
21,497,447 shares
|
— | 31 Dec 2024 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$216,883,260
9,512,424 shares
|
— | 31 Dec 2024 |
| JPMORGAN CHASE & CO |
13F
Company
|
—
denominator unverified
|
$212,204,028
9,307,193 shares
|
— | 31 Dec 2024 |
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
Investor-level positions for this CUSIP, loaded as an interactive table.
| 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.
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|