Berkshire Hathaway (BRK.B) 2025 Earnings Quality Report

Grade: A — Strong Financial Health

Framework: Conglomerate/insurance-specific analysis (underwriting profit, float, investment income, operating earnings) + Schilit principles

Data: SEC EDGAR 10-K (Filed 2026-03-02, FY ended December 31, 2025) + Yahoo Finance

Auditor: Deloitte & Touche LLP — Unqualified opinion

One-line verdict: Berkshire Hathaway reported $67.0B in net earnings, but the number that matters is the breakout: $7.3B insurance underwriting profit, $12.5B insurance investment income, $13.6B manufacturing/service/retailing earnings, $30.7B investment gains, and a cash/T-Bill hoard that Buffett has publicly said exceeds $300 billion. The screening engine assigns Grade F based on CFFO < NI for three consecutive years, but this is a structural artifact of how Berkshire works — investment gains (unrealized) dominate reported earnings under GAAP, while operating cash flow reflects the actual business operations. Berkshire's operating businesses generated strong cash. Goodwill at $116.9B is only 16% of equity. The Beneish M-Score and Altman Z-Score are not applicable to this type of financial conglomerate. This is one of the strongest balance sheets in the world.

Critical context on CFFO < NI: Since 2018, GAAP requires Berkshire to mark its equity portfolio to market through the income statement. In a year when equity markets rise, "net income" includes billions in unrealized gains that generate zero cash. CFFO reflects actual business operations. This is not an earnings quality concern — it is an accounting standard effect that Warren Buffett has repeatedly called misleading. We override to Grade A.

The Earnings Breakdown

Per the 10-K, net earnings disaggregated:

Net earnings declined 25% to $67.0B, but this is entirely driven by lower investment gains ($30.7B vs. $41.6B) and an $8.3B impairment of investments in Kraft Heinz and Occidental Petroleum. The operating businesses (insurance, railroad, energy, manufacturing) collectively earned $38.4B — stable and strong.

Insurance underwriting profit of $7.3B means Berkshire is being paid to hold other people's money (float). Insurance investment income of $12.5B reflects the yield on that float and Berkshire's massive fixed-income portfolio, boosted by high short-term rates.

The Cash Fortress

Per the filing, Berkshire maintains a policy to hold consolidated cash, cash equivalents, and U.S. Treasury Bills of at least $30 billion. The actual holding far exceeds this:

$373B in cash and T-Bills against $129B in debt is a fortress. This is the most liquid, least leveraged large financial company in the world. The massive cash position reflects Buffett's inability to find acquisitions at attractive prices — a disciplined signal, not a red flag.

Insurance Float

Per the filing, Berkshire's insurance operations generate "float" — premiums collected before claims are paid, creating an investment pool that Berkshire deploys. The filing notes that losses "are expected to be paid over long time periods (creating float)." Berkshire expects to "achieve an underwriting profit over time," meaning it is paid to hold this float. This is the structural advantage that makes Berkshire's business model unique.

The four insurance groups are:

Operating Businesses

BNSF Railway

Per the filing, BNSF Railway "operates one of the largest freight rail transportation systems in North America" with approximately 35,000 employees. Net earnings of $5.0B were essentially flat versus 2024.

Berkshire Hathaway Energy

BHE is "a holding company with investments in a diversified portfolio of locally managed and operated businesses, principally within the energy industry" including four regulated U.S. utility companies.

Manufacturing, Service, and Retailing

This collection of businesses earned $13.6B in 2025, up from $13.1B. These include Precision Castparts, Lubrizol, Markel, See's Candies, and dozens of other operating companies.

The 18-Point Screening

*C1 and C2: Berkshire's GAAP net income includes unrealized investment gains, which do not generate cash. In FY2025, $30.7B of the $67.0B net income was investment gains. CFFO reflects the actual operating cash generation, which is strong. These are structural false positives.

Key Risks from the 10-K

1. Investment Portfolio Concentration

Berkshire holds massive positions in a handful of stocks (Apple, Bank of America, Coca-Cola, American Express). The $8.3B impairment of Kraft Heinz and Occidental investments demonstrates that even Buffett's picks can lose value. The mark-to-market accounting means quarterly earnings will remain volatile.

2. Catastrophe Risk

As a major insurer and reinsurer, Berkshire is exposed to catastrophic losses from hurricanes, earthquakes, and other natural disasters. A single mega-catastrophe event could result in billions in losses.

3. Succession

Warren Buffett (age 95 as of 2025) has designated Greg Abel as his successor. The filing's risk factors note that "significant deteriorations of economic conditions" could impact operating businesses. While not explicitly a key-man risk, the transition from Buffett to Abel represents a once-in-history change for the company.

4. Regulatory and Political Risk

The filing states that "our operating businesses are subject to normal economic cycles" and warns about "significant inflation over prolonged time periods." BHE's regulated utilities face ongoing regulatory proceedings, and BNSF Railway is subject to Surface Transportation Board oversight.

5. Provision for Credit Losses Rising

Per the filing, provision for credit losses (in Berkshire's lending operations) grew from $169M (2023) to $298M (2024) to $385M (2025), with charge-offs rising from $75M to $114M to $172M. While small relative to Berkshire's scale, this is a trend worth monitoring.

Summary

Grade: A. Strong financial health. The strongest balance sheet in the financial sector with diversified operating earnings.

Berkshire Hathaway's financial position is unmatched: $67.0B net earnings, $373B+ in cash and T-Bills, goodwill at only 16% of equity, and a cash-to-debt ratio of 2.9x. Insurance operations generated $7.3B in underwriting profit while providing float for investment. Operating businesses earned $38.4B collectively. Deloitte issued an unqualified opinion.

The engine's two fails (CFFO < NI) are entirely explained by GAAP's requirement to include unrealized investment gains in net income — a well-documented accounting standard effect that Warren Buffett has publicly criticized.

The real risks are concentration (investment portfolio), catastrophe exposure (insurance/reinsurance), and the upcoming leadership transition. None of these are accounting concerns.

**Disclaimer**: This report is based on Berkshire Hathaway's fiscal year 2025 10-K filed with the SEC on March 2, 2026. This is NOT investment advice.

**About EarningsGrade**: We screen earnings reports for financial red flags using an 18-point forensic framework. Grade A means strong financial health.