Security key
084670702
- Security type / class
- Equity / CL B NEW
- Total 13F shares
- 909,943,089
- Total 13F value
- $435,933,816,883
- Share change
- +10,528,513
- Put/Call ratio
- 74%
- SEC-reported price per share
- $479.20
- Number of holders
- 4,842
- Value change
- +$4,800,086,618
- Number of buys
- 2,099
- Number of sells
- 2,181
Open additional details 1 more signal available
Report period
Q1 2026
Institutions
4,842
Top holders
10
BRKB full security history
Ownership snapshot
Full 13F holder table
BERKSHIRE HATHAWAY INC SEC filings
BERKSHIRE HATHAWAY INC company facts
BERKSHIRE HATHAWAY INC 13D/G history
Broader feeds
Ownership snapshot
Top reported holders of BRKB - BERKSHIRE HATHAWAY INC - CL B NEW (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
FMR LLC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
1/15
Latest evidence
31 Dec 2025
13F
13D/G
Lead comparable stake: 4.7%
14 rows are not safely comparable across share classes.
13D/G row: FMR LLC
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 4.7%.
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.
Open SEC evidence
Opens FMR LLC's linked filing trail.
Comparable ownership
Top 1
FMR LLC
4.7%
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 |
|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$23,296,062,082
9,483,234 shares
mixed-class rows
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
mixed-class rows
|
$81,901,074,268
157,107,082 shares
mixed-class rows
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
—
mixed-class rows
|
$61,301,845,937
121,194,241 shares
mixed-class rows
|
— | 31 Dec 2025 |
| STATE STREET CORP |
13F
Company
|
—
mixed-class rows
|
$37,419,596,230
73,925,414 shares
mixed-class rows
|
— | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$20,063,290,387
40,022,166 shares
|
— | 31 Dec 2025 |
| MORGAN STANLEY |
13F
Company
|
—
mixed-class rows
|
$13,775,089,599
26,280,950 shares
mixed-class rows
|
— | 31 Dec 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
4,842
Shares
909,943,089
Rows available
4,842
| 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 2026 vs Q1 2026 Across Filers
Q1 2026 holders
4,842
Q1 2026 holders
4,842
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|