Amazon.com, Inc. operates as an online retailer in North America and internationally. It operates retail Web sites, including amazon.com and amazon.ca. The company serves consumers through its retail Web sites and focuses on selection, price, and convenience. It also offers programs that enable sellers to sell their products on its Web sites, and their own branded Web sites. In addition, the company serves developer customers through Amazon Web Services, which provides access to technology infrastructure that developers can use to enable virtually various type of business.

Berkshire Hathaway Inc. is an American multinational conglomerate holding company headquartered in Omaha, Nebraska. Founded in 1839 as a textile manufacturer, it transitioned into a major conglomerate starting in 1965 under the management of chairman and CEO Warren Buffett and vice chairman Charlie Munger. Today, the company's earning power is diversified across a broad portfolio of subsidiaries, equity positions and other securities. Insurance is a major area of operations and the float generated serves as an important source of capital. Buffett and Munger are known for their advocacy of value investing principles and under their direction, the company's book value has grown at an average rate of 20%, compared to about 10% from the S&P 500 index with dividends included over the same period, while employing large amounts of capital and minimal debt. The company's insurance brands include auto insurer GEICO and reinsurance firm Gen Re. Its non-insurance subsidiaries operate in diverse sectors such as confectionery, retail, railroads, home furnishings, machinery, jewelry, apparel, electrical power and natural gas distribution.

Company Overview

Products and Services

Income Statement Trends

Competitive View

Income Statement

Consolidated Balance Sheets

Shareholders' Equity

Cash Flows Statement

Statements of Operations

Key Financial Ratios

Auditor's Report

Notes to the Financial Statements

Financial Statements Analysis

Evaluate Revenue and Sales Growth

 Analyze Profitability

Analyze Capital Expenditures and Investments

Assess Earnings Quality

Evaluate changes in Shareholder Equity

Revenue and Investment Analysis

Analyze Risk Factors

Access Debt and Financial Health

Review Legal & Regulatory Issues

Evaluate Management & Governance

Risk and Compliance Management

Evaluate Industry and Market Position

Analyze Segment Information

Market Position and Industry Analysis

Evaluate Social Responsibility/Sustainability

Analyze Dividends

Review Taxation Practices

Corporate Responsibility and Other

Q&A with Shareholder Letter