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What is Berkshire Hathaway?
Berkshire Hathaway is a diversified holding company led for decades by Warren Buffett, with ownership stakes spanning insurance (GEICO), railroads (BNSF), energy, and large equity holdings in public companies.
Originally a textile manufacturer, Berkshire Hathaway was transformed by Warren Buffett after he took control in 1965, growing into one of the largest conglomerates in the world through acquisitions and long-term stock investments.
How to Trade Berkshire Hathaway — Exchanges, Strategies & Risk Management
Where BRK.B is traded
Berkshire Hathaway's Class B shares (BRK.B) trade on the New York Stock Exchange (NYSE) during standard U.S. market hours.
Common trading approaches
Because Berkshire Hathaway is a diversified holding company rather than a single-product business, some investors view it as a way to gain broad exposure to insurance, industrials, and public equity markets through one holding. Long-term investing has historically been a common approach, given the company's own long-term investment philosophy.
Risk management basics
While Berkshire's diversified structure can reduce some company-specific risk compared to a single-product business, it remains a single stock holding subject to overall stock market volatility. Position sizing relative to a broader portfolio remains a common risk management practice.
This section is educational and general in nature — it is not personalized financial advice. Any trading or investment decision should be based on your own research and risk tolerance.
Key facts
- Warren Buffett became CEO in 1965
- Originally a textile manufacturing company
- Class B shares trade at a fraction of the Class A share price
Quick answers
What is Berkshire Hathaway?
Berkshire Hathaway is a diversified holding company led by Warren Buffett, owning businesses in insurance, railroads, energy, and large equity stakes in public companies.
What is the difference between BRK.A and BRK.B?
BRK.A (Class A) and BRK.B (Class B) represent the same company; Class B shares were created to be more accessible, trading at a fraction of the Class A share price.
Who runs Berkshire Hathaway?
Warren Buffett has led Berkshire Hathaway as CEO since taking control of the company in 1965.
Where can I view live BRK.B stock charts?
You can view a live, interactive BRK.B chart above, or open it in the full multi-chart grid using the button on this page.
What is the difference between BRK.A and BRK.B?
BRK.A and BRK.B represent the same company, Berkshire Hathaway, but BRK.A shares trade at a much higher price and carry more voting power per share, while BRK.B shares were created to be more accessible to individual investors.
What kind of company is Berkshire Hathaway?
Berkshire Hathaway is a diversified holding company, led for decades by Warren Buffett, that owns businesses including insurance (GEICO), railroads (BNSF), and large equity stakes in other public companies.