BRK-B · DEEP VALUE BRIEFING

Berkshire Hathaway Inc. (BRK-B)

published Oct 1, 2026 · price now $502.77 · market cap $1.1T

WATCH · medium confidence — the research’s call on buying at the price it saw, not advice to you.

Information only, not investment advice. Written by AI research agents from SEC filings and market data, and it can be wrong. Check the model below before relying on any of it.

EXECUTIVE SUMMARY Berkshire Hathaway (BRK-B) at $498 is a world-class, defensive compounder trading at a modest 5.5% discount to its ~$527 base intrinsic value. Applying our quality-scaled margin of safety, a fortress balance sheet does not require a deep 15%+ discount to be actionable. Past evaluations taught us a critical lesson: demanding extreme discounts on elite businesses often results in permanent opportunity cost. With the stock pulling back from $520 to tactical support and options markets showing elevated fear (0.94 put/call ratio), we reject passive observation. The setup demands a conditional, staged accumulation rather than a binary "all-or-nothing" decision.

SUMMARIZE KEY ARGUMENTS

  • The Bull (Risky/Value): Berkshire's exceptional ROIC (19.5%), decentralized compounding, and vast liquidity justify a smaller margin of safety. Waiting for $470 risks missing steady operating growth and immediate tactical rebounds. The GAAP P/E of 12.63 is noisy, but it reflects a stock priced for execution, not perfection.
  • The Bear (Safe): A 5.5% discount to intrinsic value offers no protection against model error or macroeconomic shifts. Scale ($1.07T market cap) remains the enemy of outsized returns, and investors should wait for a true 10–15% margin of safety ($448–$470) to commit meaningful capital.
  • The Synthesizer (Neutral): A binary choice is flawed. Berkshire is fairly valued, and fair value for a compounding fortress yields respectable returns. A staged entry—buying a starter position at $498 and adding on fundamental confirmation or deeper discounts—balances opportunity risk with valuation risk.

RATIONALE

  • Quality-Scaled Margin of Safety: A 5.5% discount for a highly cyclical business is dangerous; for Berkshire, it is highly investable. The company's diversified operating earnings, insurance float, and cash yield create a definitive floor under the stock.
  • Look Past Noisy Data: Discard the 0.0% consolidated revenue growth and the distorted 12.63 GAAP P/E. Berkshire must be valued on normalized owner earnings, underwriting margins, and capital allocation. By those metrics, the underlying business is compounding steadily.
  • Tactical Asymmetry: The stock is testing the $498 support level after a cool-off from ~$520. With downside momentum fading and market sentiment cautious, the near-term risk/reward is constructively skewed for incremental buyers.

REFINE THE INVESTOR'S PLAN As a value investor applying Warren Buffett's framework, we are upgrading our approach from a static "wait" to a Watch-to-Accumulate strategy. Do not deploy all capital at once, but do not sit on your hands.

  1. Tier 1 (Starter Position): Allocate 20%–25% of your intended BRK-B position at current levels (~$498) to eliminate the opportunity risk of missing a bounce from tactical support.
  2. Tier 2 (Confirmation): Add another tranche on a volume-confirmed breakout above $510, indicating institutional accumulation and renewed momentum.
  3. Tier 3 (Value Accumulation): Keep dry powder to aggressively buy at $470–$475 if the market offers a broader macro pullback without a deterioration in Berkshire's normalized operating earnings or GEICO underwriting margins.

LEARN FROM PAST MISTAKES In previous assessments of Berkshire, we mistakenly equated "fairly valued" with "uninvestable," remaining too passive while waiting for a 15% discount that never arrived. We also allowed long-term structural concerns (e.g., succession, railroad efficiencies) to inappropriately dominate short-term tactical setups. Lesson applied: Fair valuation and weak momentum in a mega-cap defensive compounder do not justify complete passivity. When price nears major support and downside momentum fades, the optimal play is a staged, conditional entry, prioritizing operating reality over rigid technical or valuation dogmas.

STANCE: WATCH (Active mandate to accumulate via the tiered plan above)

Scorecard

Overall 3.01 out of 5, weighted as shown.

DimensionWeightScoreWhat it measures
Business Quality30%3.25 / 5High returns, profitability, and Piotroski health support durability.
Valuation Support30%3.00 / 5Blends current price against available intrinsic value anchors and valuation ratios.
Financial Strength20%3.00 / 5Balance-sheet resilience reflects leverage and liquidity staying within safe ranges.
Growth Durability20%2.67 / 5Recent revenue, earnings, and free cash flow growth indicate how durable expansion looks.

The model

Every input behind the value range, so you can check the work or change an assumption and redo it yourself. Computed deterministically from SEC filings (fiscal 2025), updated Oct 4, 2026; the market price was $502.77. Values are estimates, not predictions.

Owner earnings (Buffett)

Discounts owner earnings: the cash the business generates for its owners after the spending needed to keep it running.

Value per share: $504.19 / $720.27 / $720.27 (conservative / base / optimistic)

Starting Owner Earnings$75.5B
Growth: conservative / base / optimistic (2015–2025)7.3% / 7.3% / 7.3%
Projection10 years
Discount rate8.6%
Terminal growth2.5%
Shares outstanding2157M
The history the growth rates come from (15 years)
2011$11.2B
2012$12.7B
2013$18.8B
2014$14.9B
2015$19.9B
2016$17.6B
2017$18.1B
2018$14.5B
2019$19.6B
2020$10.4B
2021$89.0B
2022−$27.4B
2023$92.4B
2024$85.2B
2025$49.8B

Free cash flow

Discounts reported free cash flow: operating cash flow minus capital expenditure.

Value per share: $122.02 / $304.73 / $576.18 (conservative / base / optimistic)

Starting Free Cash Flow$24.2B
Growth: conservative / base / optimistic (2020–2025)-16.3% / 9.4% / 27.8%
Projection10 years
Discount rate9.4%
Terminal growth4.5%
Shares outstanding2157M
The history the growth rates come from (15 years)
2011$12.3B
2012$11.2B
2013$16.6B
2014$16.8B
2015$15.4B
2016$19.7B
2017$34.0B
2018$22.9B
2019$22.7B
2020$26.8B
2021$26.2B
2022$21.9B
2023$29.8B
2024$11.6B
2025$25.0B

This briefing is from Oct 1, 2026. A fresh one re-reads the latest filings and prices; running it takes a free account.

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