Berkshire Hathaway BRK-B
Berkshire Hathaway is the 9th largest S&P 500 company by market cap, worth $1.16 trillion. 4 directors have filed with the SEC in the last 12 months (who counts), 2 of them executives. 2 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 7.5% of the company.
- CEO
- Gregory E. Abel
- Sector
- Financials
- Sub-industry
- Multi-Sector Holdings
- Headquarters
- Omaha, Nebraska
- Founded
- 1839
- More
- Wikipedia
- Market cap
- $1.16T
- 9th largest, 23 Oct 2026 close
- Price to sales
- 3.1
- Market cap over revenue
- Market cap per employee
- $3.0M
- Market cap over employees
- Connections
- 0
- From the 6 people on file
Largest institutional holders
Each fund group's share of Berkshire Hathaway. Where a company has several share classes, the share is of its total value.
13F filings for the quarter to 30 Jun 2026
Board and officers
Directors and officers who filed with the SEC in the 12 months to the latest filing. Directors who did not trade or receive stock in that time are missing.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (4) | |
| Gregory E. AbelPresident and Chief Executive OfficerLast filed 5 Mar 2026 | |
| Warren E. BuffettDirector | |
| Charlotte GuymanDirector | |
| Ajit JainVice Chairman | |
| Officers (2) | |
| Charles C. ChangSenior Vice President and Chief Financial OfficerLast filed 13 Aug 2026 | |
| Michael J. O'SullivanSenior Vice President, General Counsel and SecretaryLast filed 13 Aug 2026 | |
Berkshire Hathaway's market cap since December 2008
Marked weeks are changes in the share count, such as a merger, not market moves.
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $1.16T |
| 26 Dec 2025 | $1.07T |
| 27 Dec 2024 | $985B |
| 29 Dec 2023 | $777B |
| 30 Dec 2022 | $682B |
| 31 Dec 2021 | $669B |
| 25 Dec 2020 | $532B |
| 27 Dec 2019 | $553B |
| 28 Dec 2018 | $497B |
| 29 Dec 2017 | $489B |
| 30 Dec 2016 | $402B |
| 25 Dec 2015 | $330B |
| 26 Dec 2014 | $373B |
| 27 Dec 2013 | $291B |
| 28 Dec 2012 | $220B |
| 30 Dec 2011 | $189B |
| 31 Dec 2010 | $198B |
| 25 Dec 2009 | $153B |
| 26 Dec 2008 | $145B |
Download Berkshire Hathaway's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 31 Dec 2025
- Employees
- 387,800
Berkshire and its operating subsidiaries employed approximately 387,800 people worldwide at the end of 2025, of which approximately 80% were in the United States (“U.S.”) and 19% were represented by unions.
Insider trades
Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.
Trades from 30 Sep 2025 to 30 Sep 2026
Directors and officers sold $20.0 million of stock in 1 sale and bought $500,617 in 2 purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 28 Sep 2026Sale | Ajit JainVice Chairman | $20M |
| 12 Aug 2026Buy | Michael J. O'SullivanSenior Vice President, General Counsel and Secretary | $250K |
| 6 May 2026Buy | Michael J. O'SullivanSenior Vice President, General Counsel and Secretary | $251K |
Trades by members of Congress and officials
Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.
Trades from 20 Oct 2023 to 20 Oct 2026
38 people disclosed 95 purchases and 93 sales of Berkshire Hathaway stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 24 Sep 2026 | Maria Elvira SalazarHouse, R-FL · Sold | $1K to $15K |
| 18 Sep 2026 | Richard Dean McCormickHouse, R-GA · Bought | $1K to $15K |
| 2 Sep 2026 | Rohit KhannaHouse, D-CA · Bought | $1K to $15K |
| 2 Sep 2026 | Rohit KhannaHouse, D-CA · Bought | $1K to $15K |
| 28 Aug 2026 | Donald J TrumpPresident · Sold | $15K to $50K |
| 24 Aug 2026 | Donald J TrumpPresident · Sold | $1K to $15K |
| 7 Aug 2026 | Maria Elvira SalazarHouse, R-FL · Bought | $1K to $15K |
| 30 Jul 2026 | Richard Dean McCormickHouse, R-GA · Bought | $1K to $15K |
| 28 Jul 2026 | Maria Elvira SalazarHouse, R-FL · Bought | $15K to $50K |
| 28 Jul 2026 | Maria Elvira SalazarHouse, R-FL · Bought | $1K to $15K |
Showing 10 of 188 trades
Not on file: no director or officer shared with another S&P 500 company and no WARN layoff notices under its own name since October 2023.