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Quote this valuation with its source: Fair value, Potential value and the price at analysis.
FAQ
BRK.B — frequently asked questions
Is Berkshire Hathaway Inc. Class B overvalued?
In our latest published analysis dated 2026-04-28, BRK.B looks modestly undervalued. The price recorded at analysis is USD 477 versus our fair value of USD 513; the high endpoint is presented separately as potential value of USD 554. That implies roughly 7.6% upside to fair value at that date.
Our latest published report, analyzed 2026-04-28, gives BRK.B a fair value of USD 513 and a potential value of USD 554. The conclusion is triangulated across multiple valuation models and weighted by reliability for Berkshire Hathaway Inc. Class B's archetype; it is a dated research output, not a live price.
Should I buy BRK.B now?
Our latest published rating for BRK.B, analyzed 2026-04-28, is Hold. Berkshire Hathaway Inc. Class B looks modestly undervalued at the analysis-date price of USD 477 versus fair value of USD 513; potential value is USD 554. This is research for educational purposes, not personalized investment advice.
What are the biggest risks for BRK.B?
The dedicated bear-case section in our report analyzed 2026-04-28 documents Berkshire Hathaway Inc. Class B's material risks, evidence, thresholds, and thesis-invalidation conditions. Scenario-specific explanations remain in that section so the report does not repeat or decontextualize them elsewhere.
What is BRK.B's rating?
Our latest published rating for BRK.B, analyzed 2026-04-28, is Hold, with a published moat assessment of 9/10 (Wide). It reflects our fair value of USD 513, the potential value of USD 554, and the price recorded at analysis (USD 477).
A severe macroeconomic dislocation that allows Berkshire to act as the ultimate buyer of last resort, deploying its unprecedented cash reserves at highly distressed valuations.
Main risk
A prolonged period of low interest rates reducing the yield on cash reserves, combined with an inability to find large-scale, accretive acquisitions to deploy the massive capital pile.
Berkshire Hathaway Inc. operates as a highly diversified financial and industrial conglomerate, encompassing property and casualty insurance, freight rail (BNSF), utilities and energy, manufacturing, and retail. Its core economic engine relies on generating massive amounts of low-cost float from its insurance operations, which is then deployed into high-quality businesses and equities. Functioning as a 'Financial' archetype with massive industrial assets, the company boasts an unparalleled fortress balance sheet with record cash reserves. Its decentralized operating model ensures that its subsidiaries run efficiently, while capital allocation is managed with extreme discipline at the corporate level, resulting in decades of market-beating compounding. Our investment thesis asserts that while Berkshire possesses a Wide economic moat and remains a premier defensive asset, it is currently fairly valued. Nevertheless, a tight ~8% margin of safety leaves limited room for multiple expansion.
Berkshire Hathaway Inc. operates as a highly diversified financial and industrial conglomerate, encompassing property and casualty insurance, freight rail (BNSF), utilities and energy, manufacturing, and retail. Its core economic engine relies on generating massive amounts of low-cost float from its insurance operations, which is then deployed into high-quality businesses and equities. Functioning as a 'Financial' archetype with massive industrial assets, the company boasts an unparalleled fortress balance sheet with record cash reserves. Its decentralized operating model ensures that its subsidiaries run efficiently, while capital allocation is managed with extreme discipline at the corporate level, resulting in decades of market-beating compounding. Our investment thesis asserts that while Berkshire possesses a Wide economic moat and remains a premier defensive asset, it is currently fairly valued. Nevertheless, a tight ~8% margin of safety leaves limited room for multiple expansion.
Management aggressively executes share repurchases when valuations are attractive, effectively compounding per-share value.
House recommendation
Berkshire Hathaway is a core, defensive holding for long-term investors, but new capital deployment should wait for a wider margin of safety closer to $440; we rate the stock a Hold.
Company overview
Berkshire Hathaway Inc., together with its subsidiaries, engages in the insurance, freight rail transportation, and utility businesses. The company provides property, casualty, life, accident, and health insurance and reinsurance; operates railroad systems in North America; generates, transmits, stores, and distributes electricity from natural gas, coal, wind, solar, hydroelectric, nuclear, and geothermal sources; operates natural gas distribution and storage facilities, interstate pipelines, liquefied natural gas facilities, and compressor and meter stations; and holds interest in coal mining assets. It manufactures boxed chocolates and other confectionery products; specialty chemicals, metal cutting tools, and components for aerospace and power generation applications; prefabricated and site-built residential homes, flooring products; insulation, roofing, and engineered products; building and engineered components; paints and coatings; and bricks and masonry products, as well as offers manufactured and site-built home construction, and related lending and financial services. In addition, the company provides recreational vehicles, apparel, footwear, toys, jewelry, custom picture framing products, alkaline batteries, logistics services, and professional aviation training and shared aircraft ownership programs; castings, forgings, fasteners/fastener systems, aerostructures, and precision components; and cobalt, nickel, and titanium alloys. Further, it distributes televisions and information, and grocery and non-food consumer products; franchises and services quick service restaurants; and distributes electronic components. Additionally, it retails automobiles; furniture, bedding, and accessories; household appliances, electronics, and floor coverings; watches, home decor and repair services; sells kitchenware; and motorcycle clothing and equipment. The company was incorporated in 1998 and is headquartered in Omaha, Nebraska.
In a severe stress scenario combining zero-bound interest rates and an industrial recession, Berkshire would face a dual headwind: significantly lower yield on its massive cash pile and depressed operating earnings from BNSF and its manufacturing/retail subsidiaries. However, Berkshire's fortress balance sheet means this scenario is a catalyst for value creation rather than destruction. Historically, market panics are when Berkshire aggressively deploys its cash hoard into distressed equities and preferred stock structures. While the short-term stock price would suffer, the long-term intrinsic value would likely be enhanced by opportunistic capital deployment.
The insurance segment consistently generates structural underwriting profits, resulting in a perpetually growing pool of negative-cost float used to fund acquisitions and equity investments.
BNSF and Berkshire Hathaway Energy operate in capital-intensive, heavily regulated oligopolies with immense replacement costs and entrenched infrastructure.
The diversified financial and industrial sectors currently operate in a mature, GDP-linked phase with massive accumulated capital. Growth is structurally capped in the mid-single digits; excess capital must be returned via buybacks or deployed in mega-acquisitions.
Bull cycle
During periods of normalized or rising interest rates combined with steady GDP growth, Berkshire excels. Higher baseline rates generate significant risk-free yield on its unprecedented cash reserves, while the insurance segments benefit from higher float reinvestment rates. Simultaneously, a strong consumer base and expanding industrial economy drive volume growth across BNSF and the manufacturing subsidiaries.
Bear cycle
Economic contractions pressure rail volumes, retail sales, and manufacturing outputs due to their inherent GDP sensitivity. Concurrently, if central banks revert to zero-interest-rate policies, the yield on Berkshire's massive cash pile evaporates, creating a significant drag on overall operating earnings growth.
Secular trends
§11 Position management
Sizing
Use normal position sizing discipline for the rating and risk profile.
Risk
Reassess or exit if the core thesis breaks.
Entry tranches
Level
Action
Why
Current / pullbacks
Use the report fair-value range and margin-of-safety discipline for entry.
Use the report fair-value range and margin-of-safety discipline for entry.
§12 Investor perspectives
Value Investor
Hold
The stock is currently trading quite close to our $515 intrinsic value estimate. At current levels ($476.88), the ~8% upside offers an insufficient margin of safety for aggressive new purchases. However, the downside is heavily protected, making it a comfortable hold.
Base view
Hold
With a market cap exceeding $1 Trillion and a portfolio anchored by mature, capital-intensive operating businesses (rail, utilities, insurance), top-line growth is structurally capped in the mid-single digits. It will not meet aggressive growth hurdles.
Income/Conservative Investor
Hold
While the fundamental business profile is highly conservative and defensive, Berkshire does not pay a dividend. Income-focused investors requiring current cash yield should look elsewhere, as Berkshire strictly prioritizes retained earnings and share repurchases.
§14 Final recommendation
Action
Hold
Berkshire Hathaway is a structurally advantaged compounding machine with an unmatched balance sheet, a diverse collection of highly profitable businesses, and exceptional management. However, at a near 22x forward P/E, the current valuation fully reflects these strengths. We recommend current shareholders maintain their positions to benefit from steady, mid-single-digit operating growth and consistent share repurchases. The stock remains a premier defensive anchor for any portfolio. However, for new capital, the ~8% upside to our $515 fair value does not provide an adequate margin of safety. Investors should withhold fresh deployment until broader market volatility provides a more attractive entry point, ideally below $440.
Upside case: While the fundamental business profile is highly conservative and defensive, Berkshire does not pay a dividend. Income-focused investors requiring current cash yield should look... Downside case: The stock is currently trading quite close to our $515 intrinsic value estimate. At current levels ($476.88), the ~8% upside offers an insufficient margin... Horizon: Long-term (5+ Years).
§15Your notes
Capture your own thesis, position size, and follow-up questions. Stays on this device, only you can see it.
Prolonged macroeconomic recession impacts rail and manufacturing
Severe catastrophe losses hit the insurance segment
Interest rates plummet, cutting yield on cash reserves
A confluence of a deep economic recession and severe natural disasters temporarily impairs operating earnings across multiple segments. Plummeting interest rates further destroy the yield on the company's unprecedented cash reserves. However, the fortress balance sheet prevents any structural or liquidity damage, establishing a firm fundamental floor on the stock price around $450. Furthermore, this environment ultimately allows Berkshire to aggressively deploy capital at distressed valuations, setting up massive future outperformance.
Ways this thesis can break
Severe Catastrophe Losses
Low
Unprecedented, clustered global natural disasters (e.g., massive hurricanes and earthquakes) in a single fiscal year.
FV impact
Temporary reduction in fair value to the $450 level as float is drawn down.
Deep Macroeconomic Recession
Medium
A severe economic downturn that dramatically impacts consumer spending, rail freight volumes, and manufacturing outputs.
FV impact
Compression of operating earnings growth pushing fair value down toward $450, though mitigated by capital deployment optionality.
Early-warning signals to monitor
The five developments that would weaken our investment case.
Underwriting losses eliminate the low-cost float advantage that fuels Berkshire's capital allocation model, signaling inadequate catastrophe risk pricing or persistent claims inflation across primary insurance and reinsurance units.
Current:Positive as of the 2026-04-28 analysis date
Alert ifFalls below 0.0% for two consecutive fiscal quarters
02
BNSF Railway Freight Volumes
Protracted volume declines at BNSF indicate a severe freight recession and industrial slowdown across North America, degrading operating leverage in rail operations and reducing non-insurance cash generation available for parent company deployment.
Current:Stable as of the 2026-04-28 analysis date
Alert ifDeclines by more than 5.0% YoY over any six-month period
A substantial reduction in return on capital indicates that subsidiary reinvestment returns and equity portfolio yields are failing to overcome corporate cost of capital, diminishing compounding velocity of per-share intrinsic value.
Current:7.7% as of the report's 2026-04-28 analysis date
Alert ifDeclines below 5.0% over any trailing twelve-month period
Margin compression reflects severe operational deleveraging across capital-intensive railroad and utility segments, reducing total earnings power and restricting excess cash flow available for opportunistic reinvestment.
Current:18.0% for the period ended 2025-12-31
Alert ifFalls below 13.0% across any full fiscal year
01
Cost Advantage — The insurance segment consistently generates structural underwriting profits, resulting in a perpetually growing pool of negative-cost float used to fund acquisitions and equity investments.
Wide
02Efficient Scale — BNSF and Berkshire Hathaway Energy operate in capital-intensive, heavily regulated oligopolies with immense replacement costs and entrenched infrastructure.Wide
Solve for the growth rate that makes the model value equal the report-date share price.
How this lens was calculated
This edition does not contain enough finite inputs to reproduce the lens calculation.
Favorable M&A environment allows massive deployment of capital
In the Bull scenario, Berkshire successfully deploys its massive cash pile into highly accretive acquisitions while elevated baseline interest rates continue to generate billions in risk-free yield. The insurance segment avoids major catastrophe losses, and BNSF sees volume acceleration driven by robust US infrastructure spending. Operating earnings comfortably beat internal valuation cross-checks, pushing the valuation multiple slightly higher as investors flock to its unmatched safety and compounding power.
Consistent share repurchases of $15B-$20B annually
Stable insurance underwriting margins
The Base case assumes Berkshire continues its steady, mid-single-digit compounding trajectory. The diversified operating businesses perform reliably, growing generally in line with global GDP. Management utilizes excess free cash flow for consistent share buybacks and organic investments in energy and rail infrastructure, generating a modest, highly secure return of ~8% over the forecast period, perfectly aligning with our $515 fair value.
CurrentPositive as of the 2026-04-28 analysis date
Why it matters
Warning level: Falls below 0.0% for two consecutive fiscal quarters. Underwriting losses eliminate the low-cost float advantage that fuels Berkshire's capital allocation model, signaling inadequate catastrophe risk pricing or persistent claims inflation across primary insurance and reinsurance units.
02
Metric:
BNSF Railway Freight Volumes
CurrentStable as of the 2026-04-28 analysis date
Why it matters
Warning level: Declines by more than 5.0% YoY over any six-month period. Protracted volume declines at BNSF indicate a severe freight recession and industrial slowdown across North America, degrading operating leverage in rail operations and reducing non-insurance cash generation available for parent company deployment.
Warning level: Declines by more than 5.0% YoY for two consecutive quarters. Broad top-line contraction across operating subsidiaries indicates cyclical demand weakness across utility, manufacturing, and retail units, limiting incremental operating profit and reducing parent-level retained capital accumulation.
Current7.7% as of the report's 2026-04-28 analysis date
Why it matters
Warning level: Declines below 5.0% over any trailing twelve-month period. A substantial reduction in return on capital indicates that subsidiary reinvestment returns and equity portfolio yields are failing to overcome corporate cost of capital, diminishing compounding velocity of per-share intrinsic value.
Warning level: Falls below 13.0% across any full fiscal year. Margin compression reflects severe operational deleveraging across capital-intensive railroad and utility segments, reducing total earnings power and restricting excess cash flow available for opportunistic reinvestment.
BRK.B trades at 21.9x forward earnings against a peer median of 9.6x; EV/EBITDA of -2.1x against a peer median of 6.5x; 6 peers.
Trend
Impact
Note
Infrastructure Investment
positive
Berkshire Hathaway Energy benefits from long-term grid modernization and vast investments in renewable energy infrastructure.
Interest Rate Normalization
positive
Moving away from zero-interest-rate policy allows Berkshire to generate billions in yield on its enormous cash equivalents pile.
Positioning
Berkshire is uniquely positioned as the ultimate 'buyer of last resort' during systemic market dislocations. Its fortress balance sheet allows it to capitalize on industry-wide stress better than any peer, converting macroeconomic panics into generational capital deployment opportunities.
