BERKSHIRE
Institutional Overview

Disciplined capital allocation built for enduring generations.

Berkshire Hathaway oversees a diversified portfolio of insurance, energy, rail freight, manufacturing, and retail businesses. Guided by long-term ownership, decentralized management, and audited capital strength, we provide shareholders with transparent, enduring enterprise value.

Audited consolidated SEC filings active
Class A (BRK.A) & Class B (BRK.B)
Financial Strength & Permanence

Unmatched balance sheet integrity

Audited Disclosures
$364.5B
USD

Total operating revenues

+20.7% year-over-year consolidated

Audited Schedule
$561.0B
USD

Shareholders' equity

Fortress capital structure

Audited Schedule
19.8%
CAGR

Compound annual gain

1965 – present (nearly 60 years)

Audited Schedule
$169.0B
USD

Net insurance float

Cost-free investment capital

Audited Schedule
Figures reflect audited consolidated financial statements filed with the SEC.
Institutional Classification

Core operating pillars

Berkshire Hathaway operates through autonomous businesses coordinated by disciplined capital allocation. Each sector maintains distinct operational leadership and permanent financial strength.

Underwriting offices and commercial insurance analysis desk
Primary Underwriting & Reinsurance
Insurance and Reinsurance

Capital strength and disciplined risk underwriting generate substantial investable float across commercial, property, and reinsurance markets.

Operating Highlights

  • Substantial investable float managed with long-term perspective
  • Disciplined underwriting through severe multi-year loss cycles
  • Global catastrophic and specialized commercial property coverage

Notable Holdings

GEICO, General Re, Berkshire Hathaway Reinsurance Group, National Indemnity

Transcontinental freight railway line traversing industrial freight corridor
National Freight Transportation
Freight Rail Transportation

An essential transcontinental supply line moving critical industrial, agricultural, and consumer goods across 32,500 route miles.

Operating Highlights

  • Over 32,500 route miles serving 28 US states and three Canadian provinces
  • Essential conduit for national bulk commodities, intermodal, and industrial freight
  • Continuous capital reinvestment in safety, infrastructure, and network fluidity

Notable Holdings

BNSF Railway (Burlington Northern Santa Fe)

Segment PortfolioExplore rail operations
Clean energy electrical transmission grid and utility infrastructure
Regulated Utilities & Renewables
Energy and Utilities

Essential infrastructure delivering reliable electric, natural gas, and renewable power to millions of customers across North America and Great Britain.

Operating Highlights

  • Diverse generation portfolio including solar, wind, geothermal, and natural gas
  • Substantial regulated interstate pipeline networks and local distribution systems
  • Decade-long capital commitments to transmission modernization and clean power

Notable Holdings

Berkshire Hathaway Energy, PacifiCorp, MidAmerican Energy, NV Energy

Segment PortfolioExplore energy systems
Precision manufacturing facility for industrial and aerospace equipment
Industrial, Service & Retail
Manufacturing, Service & Retail

A broad roster of market-leading operating businesses providing specialized industrial components, building materials, commercial services, and consumer brands.

Operating Highlights

  • Decentralized management teams operating with permanent capital autonomy
  • Market leaders in aerospace metals, precision tools, housing components, and retail
  • Steady free cash generation reinvested strategically into expansion and R&D

Notable Holdings

Precision Castparts, Marmon Group, Lubrizol, IMC International, See's Candies

Segment PortfolioView manufacturing roster

Looking for comprehensive subsidiary financial reports and disclosures?

Archival Chronicle

A chronicle of disciplined capital allocation

From New England textile roots to a diversified global conglomerate, the firm has followed a steady set of economic and fiduciary principles.

Corporate FoundationControl acquired

Transition to capital stewardship

Warren Buffett took controlling interest of the New Bedford textile manufacturer, shifting excess operational cash flows toward undervalued equity holdings and durable private businesses.

1965
Float GenerationUnderwriting float initiated

Entry into property and casualty insurance

The acquisition of Omaha-based National Indemnity Company established the underwriting float model, providing low-cost investable capital to compound across decades.

1967
Wholly-Owned InsuranceSubsidiary consolidation

Complete integration of GEICO

Berkshire acquired the remaining shares of GEICO, turning a direct-to-consumer auto insurer into an enduring cornerstone of the group's underwriting strength.

1996
Essential InfrastructureMajor freight platform

Acquisition of Burlington Northern Santa Fe

A landmark $26 billion transaction brought America's critical freight rail network into the group, anchoring long-term tangible asset investments alongside regulated energy.

2010
Governance StandardAutonomous operating model

Decentralized autonomy and owner orientation

Operating subsidiaries manage their own operations without centralized micromanagement, while corporate headquarters allocates capital and guards fiduciary trust.

Present

Explore primary shareholder documents and governance letters

Direct access to annual reports spanning 1965 to the present day.

Corporate Disclosures

Corporate Disclosures & Executive Commentary

Timely statutory filings, governance statements, and official releases for Berkshire Hathaway shareholders.

Direct Shareholder Repository

Access verified records and annual letters

Review six decades of audited filings, shareholder communication, and governance standards with uncompromised clarity.

Form 10-K & 10-Q
REGULATORY DISCLOSURES
SEC Filings & Reports

Access official Forms 10-K, 10-Q, 8-K, and audited quarterly balance sheets submitted directly to the SEC.

1965 – Present
SHAREHOLDER ARCHIVE
Annual Letters from 1965

Read six decades of Warren Buffett's unvarnished annual letters on capital allocation, operating performance, and stewardship.

Board Guidelines
OVERSIGHT & STEWARDSHIP
Corporate Governance & Policies

Examine board charters, director guidelines, code of business conduct, and our institutional governance framework.

Looking for specific historical filings or inquiries?

Our complete repository houses official annual reports, quarterly filings, and direct contact resources for shareholders and institutional analysts.