
2026Q2 Berkshire Hathaway Inc. (BRK-A / BRK-B)
Berkshire Hathaway operates as a highly diversified conglomerate with massive, decentralized operations spanning property and casualty (P&C) insurance, reinsurance, freight rail transportation (BNSF), energy generation and distribution (BHE), manufacturing, retail, and services2. The foundational strength of the company lies in its structural "moat"—specifically, its unparalleled capital position and its negative cost-of-capital advantage derived from insurance float. As of June 30, 2026, the company's insurance float reached $177.5 billion, representing an increase of $1.1 billion since year-end 202510. This float acts as leverage-free capital, allowing Berkshire to aggressively deploy funds into equities, fixed income, and whole-business acquisitions without incurring traditional debt servicing costs. Sales trends over the past five years demonstrate consistent, albeit mature, expansion, heavily dictated by the macro environment impacting its economically sensitive operating businesses. The manufacturing division (including Precision Castparts and Marmon) and the service and retailing division (including McLane Company) provide massive top-line revenue streams, with manufacturing alone accounting for roughly 25% of total revenues historically9. Profitability trends exhibit high volatility at the net income level due to GAAP requirements mandating the inclusion of unrealized investment gains and losses from its massive $300+ billion equity portfolio11. Operating earnings, which strip out these volatile market-to-market movements, remain the paramount metric for analyzing the core business. Operating margins have consistently benefited from strong insurance underwriting—driven by hardened pricing in P&C—and elevated interest rates boosting insurance investment income across the last eight quarters Primary Business Segments and Operations: As a conglomerate, Berkshire Hathaway's operational footprint is divided into several massive subsidiaries that drive its consolidated financial performance. Insurance Operations: The core engine of the firm includes GEICO, which generated $39.98 billion in revenue in 2022, the Berkshire Hathaway Primary Group with $13.75 billion in revenue, and the Berkshire Hathaway Reinsurance Group which generated $21.92 billion9. Railroad (BNSF): Burlington Northern Santa Fe is a critical infrastructure asset that brought in $25.9 billion in revenue and generated $8.6 billion in net earnings in 20229. Utilities and Energy (BHE): Berkshire Hathaway Energy, comprising assets like PacifiCorp and NV Energy, generated $26.39 billion in revenue in 2022 Manufacturing: This division, which includes heavyweights like Precision Castparts, is a major revenue contributor, bringing in $75.78 billion in 2022, accounting for approximately 25% of the company's total revenue9. Service and Retailing: This segment includes the McLane Company, a major wholesale distributor, which alone brought in $53.21 billion in revenue in 2022, while the rest of the service and retailing arm generated $38.3 billion The Total Addressable Market (TAM) for Berkshire is effectively the global economy, given its mandate to allocate capital across any sector exhibiting favorable long-term economics. However, its primary barrier to entry rests in its balance sheet capacity. No competitor can underwrite the sheer volume of catastrophic risk that Berkshire’s National Indemnity can, allowing the firm to demand premium pricing for bespoke reinsurance contracts. The company's subsidiaries face intense competition in their respective sectors, but the parent company operates without a true peer.
















