Total company equity
$1.07TFinanceOwner-operatorUnited States
Warren Buffett
Berkshire Hathaway · BRK.A / BRK.B
Buffett transformed Berkshire into a diversified operating and investment company. Both share classes are converted to a Class A-equivalent basis.
The calculation
Every input, in the open.
Builder equity retained
$140BWealth for others
$931B- Held by others
- 86.9%
- Builders retained
- 13.1%
188,290 Class A shares plus 1,162 Class B shares after the July 14 donation, converted to Class A equivalents.
Attribution
Why this is one claim.
Berkshire is counted once and credited to Buffett as the owner-operator most directly associated with its present structure.
Confidence
What could still move.
Recent company filings and the donation disclosure allow the holdings to be reconciled across share classes.
Attribution timeline
The company-building arc.
- 1965Buffett takes control of Berkshire
- 1985Textile operations close
- 1996Class B shares introduced
- 2026Index snapshot
Primary evidence
Source trail.
Snapshot values change with the market. Ownership inputs remain tied to the dated filings below until a new index version is published.