The $1 Trillion Fortress: Why Berkshire Hathaway Still Wins
Hi everyone. In this blog post, I collaborated with Rishi A on a complex analysis of Berkshire Hathaway Class B (Brk B). Enjoy.
Company Overview:
Berkshire Hathaway (BRK B) is a large, multinational conglomerate based in Omaha, Nebraska. They are a massive holding company that owns and manages a vast number of subsidiaries in the Insurance, railroad, energy/utility, and retail industries. In Insurance, they own companies such as GEICO, which operate using an Insurance Float, allowing the company to collect premiums and reinvest them before paying their customers' insurance claims. In the railroad sector, BNSF (Burlington Northern Santa Fe) operates one of the largest freight networks across North America, serving companies such as Amazon and Walmart on the Southern Transcon rail line, which is the most efficient route for freight from the West Coast to the Midwest. Berkshire also operates Berkshire Hathaway Energy (BHE), which is fully owned by Berkshire, and controls a massive infrastructure complex of power grids and plants across the nation, including thousands of miles of the BHE Pipeline. Berkshire also has holdings in other industries throughout the US; combined with their main, long-term holdings, this provides them with stable cash flow from traditionally stable industries.
Stock Metrics: (Table 1)
Market Position
In the global reinsurance market, Berkshire controls 9%; in the US Business Insurance market, 3.8%; in the Property and Casualty (P&C) Insurance market, 6.0%; and about 12% in the US auto Insurance market.
Shareholder Information
Institutions control 61%-65% of all BRK B shares, including Vanguard’s 11.2% stake, BlackRock’s 8.4% stake, and State Street’s 5.3% stake. The Bill and Melinda Gates Foundation Trust also owns a 5.6% stake in the company. The primary vehicle for investors to purchase the stock is the S&P 500.
Investment Thesis:
We rate Berkshire Hathaway Class B shares as a Buy to Hold with a Target Price of $880. The following key points drive our recommendation:
Unique business model (owned capital, diversified): Berkshire Hathaway functions as a large capital allocation conglomerate, though it also operates as a hybrid insurance company and an investment fund. Berkshire has the characteristics of owning companies across multiple industries (a conglomerate), of having a very stable and profitable insurance float by collecting premiums (an insurance company), and of having a large investment portfolio with high-value positions (an investment firm). These characteristics, combined with a massive amount of owned capital (see chart 4), which no other company has, showcase a unique and successful business model.
Stable Growth- BRK B has a long history of stability, consistently outperforming the S&P 40 out of 60 years, with an average return of 19.9% with the S&P’s average return of 10.4%. Also, Berkshire has outperformed the S&P (the market) 19 out of the last 20 years; in those years, it went negative. This, combined with almost $700 billion in owned assets and over $380 billion in cash assets, makes BRK B the 11th-largest publicly traded company in the world (the top 10 companies are not as stable), with by far the lowest sensitivity to market fluctuations, making it highly stable.
Wide Competitive Moat- Berkshire’s wide moat enables the conglomerate to sustain long-term growth and profits despite market fluctuations and competition. Through their ownership of the Southern Transcon, regulated and natural monopolies, and their cash reserves (war chest), Berkshire can sustain its operating and stable revenue (profit) streams without concern for the integrity of its market share or its competitive standing in the stock market. Since government regulations and other barriers protect its revenue streams, Berkshire proves itself a stable giant in a competitive, volatile market.
Diversified investment: Not only does Berkshire have stable, consistent revenue streams, but it also has diversified investments. Berkshire has a vast collection of investments in industries ranging from railroads and global insurance to energy and stocks in tech, oil, and consumer products. Also, Berkshire does not just invest in the US; it has a broad range of investments in Europe and Asia. The fact that Berkshire’s investment focus is spread across many industries prevents downturns from having large effects on revenue and profit, enabling investors to have assurance in the stability of Berkshire’s operations, profits, and ultimately the stock value.
Industry Overview
Diversified Financial Market–
The financial services market has experienced strong growth over recent years, driven by fintech advancements, the introduction of AI, and growing wealth globally. The market is valued at $38.58 trillion in 2025. The market is forecast to grow at a compound annual growth rate (CAGR) of 7.3% over the next few years, reaching $51.11 trillion in 2030.
Berkshire has a unique business model comprising insurance, asset management, and diversified subsidiaries, which requires a multi-perspective evaluation for effective comparison. To provide a holistic viewpoint of its asset management, comparing capital deployed, measured as total assets, including owned equity, insurance float, and other liabilities, is essential. Comparing BRK to similarly modeled insurance and asset management competitors provides a meaningful benchmark.
Berkshire, as of Q3 2025, has $ 1,226 billion in capital deployed. Competitors that match Berkshire in terms of broad structure and industry significance are Prudential Financial, with $776.3 billion in capital deployed, and Allianz, with $1190 billion in capital deployed. Other competitors that, while smaller, more closely resemble the structures of BRK and MetLife Inc., with $719.7 billion in capital deployed, and Brookfield Corp., with $514.6 billion in capital deployed.
These numbers are not only lower than Berkshire’s but also represent the majority of policyholder/insurance float or liability-funded assets, rather than majority-owned capital. Berkshire owns a substantial portion of assets it deploys, consisting of its own capital and a portion of policyholder money (insurance float). At the same time, competitors operate differently: deploying the majority of policyholder assets, supplemented by owned capital. Although Allianz’s asset holdings are very close to Berkshire's, the distinction in asset ownership and focus on long-term investments highlights Berkshire’s leading position in the industry.
Berkshire’s deployed capital base generates a 2-year average ROE of 13.6%, presenting its highly efficient deployment.
Berkshire Hathaway is spread across a variety of streams as a large conglomerate. It generates the majority of its profit from insurance, with a secondary income stream from its long-term asset management and holdings, primarily through permanent investments in subsidiary businesses. These subsidiaries expand Berkshire into the utilities, transport, and manufacturing markets.
Utilities
Berkshire Hathaway Energy (BHE) is a subsidiary of BRK, containing many energy/utilities businesses, such as Pacificorp, MidAmerican Energy Company, NV Energy,
Northern Powergrid, AltaLink, BHE GT&S, BHE Renewable, and BHE U.S. Transmission.Significant competitors to BHE in the utilities market are NextEra Energy, Duke Energy, Dominion Energy, and American Electric Power. While BHE does not have the highest revenue or market share among these competitors, it remains a robust player in the market, with $20 billion in revenue and a market share of 3.25%, rivaling its competitors in both areas. It does this all along by operating a BRK subsidiary in a single market, demonstrating overall stability and the power of BRK as a whole, while maintaining BHE’s significance even when singled out.
BHE operates a $106.8 billion regulated rate base, along with its strong market position and relatively large revenue, generating predictable long-term returns for BRK as a whole.
Rail Transport
Burlington Northern Santa Fe, widely known as BNSF, is the primary rail transport subsidiary of BRK, with other minor holdings within Marmon Holdings Inc.
With a 9-month total revenue of $17.45 billion in 2025, BNSF is one of the top companies in the rail transport industry. Although it is slightly behind Union Pacific in revenue, BNSF’s strong and stable position as a market leader in rail transport is evident.
BNSF operates with a 65.6% operating ratio, a highly competitive ratio among the narrow dispersion (59%-68%), which major competitors fall into, and this, in addition to its high revenue among Class I railroads, provides BRK with a leading oligopoly within the Class I railroads market, with a strong revenue base.
In addition, BNSF is relatively non-cyclical in the rail industry, allowing it to weather economic downturns.
BNSF’s infrastructure, which relies on long-term equipment, along with its oligopolistic nature, allows for long-term cash generation and stability in BRK’s portfolio.
Insurance Market–
Berkshire Hathaway has holdings in multiple leading insurance companies, such as GEICO, Berkshire Hathaway Reinsurance Group (BHRG), and Berkshire Hathaway Primary Group. BRK primarily operates in the property and casualty (P&C) and reinsurance sectors.The global P&C insurance market generated 843.6B in premium volume in 2024, and the global reinsurance market hit a new high of roughly $735 billion at Q2, 2025. The overall insurance market is projected to grow at a CAGR of 4.3% to reach $2.13 trillion by 2033.
Berkshire holds a strong position in the insurance industry, with $90.95 billion in gross insurance premium revenue, but has been overtaken by Allianz (which includes fee-based income, inflating the statistic).
While Berkshire holds a large position in the market, BRK’s operations in the insurance industry provide not only stable underwriting income, with a combined ratio of 88.8% (9 months 2025), and a net profit margin of 19.5%, but also uniquely stable, little to no cost, investment capital, in the form of insurance float.
As aforementioned, an insurance float represents premiums received for claims that are not payable until a future date, providing an interim period during which capital can be invested. The exceptional part of this is the lack of an interest payment, unlike traditionally borrowed capital. As long as underwriting is profitable, the float effectively carries a negative cost. This allows BRK to draw on float capital rather than liquidating assets, thereby preventing untimely exits and unnecessary losses.
(Allianz’s gross insurance premium revenue includes fee-based income)
Moat analysis
Wide Moat - Generating billions regardless of broader economic trends and competition.
Cost-Free Capital- Berkshire’s insurance float provides the company with stable sources of income, with the risk or payment necessary to maintain them. Berkshire’s Insurance Float allows them to collect premiums upfront that will not be paid out to customers for long periods, enabling them to reinvest and earn passive income from T-bills (Treasury bills). The float, therefore, allows them to make underwriting profit from the operations of risk assessment and policy issuance by collecting premiums greater than the cost of paying claims, creating essentially “cost-free” income.
Irreplaceable Infrastructure- BNSF Railway, one of Berkshire’s main subsidiaries, owns and operates 32,500 miles of track on the Southern Transcon, the most efficient network of rail lines between California and the Midwest. Through ownership of this rail line and the impossibility of replacing or replicating it due to land rights and environmental concerns, Berkshire operates a technical “natural monopoly” with this irreplaceable infrastructure, allowing it to achieve far greater returns than the competition.
Energy “monopoly”- Berkshire Hathaway Energy (BHE) provides the conglomerate with over 12 million customers across 11 international markets for its energy products. BHE’s regulated-monopoly status has enabled it to bypass competitors and remain unchallenged in many markets. This works by regulators (the government) permitting BHE to earn a specific amount of money from capital investments, essentially providing an income floor that enables Berkshire not to be dependent on broader economic fluctuations or potential competitors.
Unmatched Liquidity- Berkshire’s $381 billion “war chests,” consisting of cash assets such as Treasury bills, account for over 30% of Berkshire’s total assets. Not only does this cash supply expand Berkshire's market cap, but it also allows it to act when illiquid commitments hold back the rest of the market during financial downturns. Their cash reserves also allow Berkshire to make acquisitions without incurring the large transaction fees required to free up funds for moves. With most competitors not having hundreds of billions in cash on hand, this provides Berkshire with an unmatched safety net during distressing market conditions and heightens investor demand for its stock.
Porters 5 forces
Threat of New Entrants- Very Low- Berkshire’s core operations in its main industries, including BHE in the energy sector and BNSF in the railroad sector, are regulated “natural” monopolies, whose capital requirements and regulatory protections make it near impossible for competitors to usurp their market share. To build on the capital requirements, competitors and startups do not have access to the $176 billion insurance float, and, combined with its AA credit ratings (superior access to debt markets), Berkshire is extremely well-positioned to withstand competition across its invested industries.
Bargaining Power of Suppliers- Low- Berkshire’s business is built on longstanding connections in stable industries, which enable it to have the upper hand in negotiations with suppliers. Through its ownership of large swaths of markets, Berkshire can achieve favorable pricing and stability with suppliers, since those suppliers depend heavily on Berkshire for business. Also, through diversification across multiple markets, Berkshire is highly unlikely to be significantly affected by any one supplier, thereby reducing suppliers' power over the conglomerate.
Bargaining Power of Buyers- Low to Moderate Buyers, the customers of Berkshire and its subsidiaries, have little power in certain industries, but an increased amount of power in others. For InrastrInfrastructures, including the customers of BNSF and BHE, since the companies have little to no choice about whether to buy long-haul power, for example, consumers have very little power. On the other hand, in the insurance industry, consumers have greater power, since they can choose other insurance providers rather than Berkshire’s GEICO; Berkshire counterbalances this by offering low-cost plans through GEICO.
Threat of Substitutes - Moderate - Berkshire, through heavy investment in legacy industries like rail and energy, faces potential disruption from newer technologies, including AI, as the solar power market gains market share. Also, climate change has the potential to increase the number of claims filed and require coverage by Berkshire’s subsidiaries, posing a risk to the stability of Berkshire’s cash flow. However, Berkshire counters these potential troubles by investing billions in shoring up its infrastructure, including $3.6 billion in rail efficiency and $30 billion to update its power grid, while also raising premiums and further securing the terms of insurance issuances to maintain profitability.
Intensity of Rivalry- High- Although the railroad and utilities industries, through Berkshire’s “natural” monopolies, the tech and AI race in the general markets is challenging the insurance sector of Berkshire. GEICO, Berkshire’s largest insurance provider, is in a heavily contested AI-driven rivalry with Progressive. This forces Berkshire to make innovative moves, which it is not known to do, to outpace Progressive for market share and maintain its underwriting profits by using AI to price risk more accurately.
Investment Summary
As a conglomerate, Berkshire derives revenue from diverse industries worldwide. These include Energy, Transportation, Industrials, Insurance, and Reinsurance. Due to the broad range of sectors they are composed of, Berkshire has successfully hedged itself against major economic crises such as the 2008 Housing Crisis (see Chart 1), with Berkshire stock outperforming the S&P by at least 5% during the height of the crisis in 2009. Also, with abundant cash assets and revenue at a near all-time high, Berkshire is a reliable, value investment with proven capabilities to weather financial downturns through prudent management and asset diversification.
Overall Assets and Liabilities: Berkshire’s liquid assets, also known as its “War Chest,” hold over $380 billion in cash, mostly in treasury bills. Berkshire holds these liquid, defensive resources to ensure financial security in volatile times, through markets and through fiscal policy with the Fed. Berkshire wants to have the ability to make sizable acquisitions and investments, without having to rely on attempting to liquidate illiquid assets such as physical property, which could result in high transaction costs and a loss of value on their investment (during rifts in markets), while earning over 5.4% in interest annually from the treasury bills.
Stocks: Berkshire is heavily invested in the stock market, specifically the NYSE, with major holdings in Apple, American Express, Bank of America, and Coca-Cola; Apple is the largest holding in its portfolio. Berkshire's portfolio remains concentrated in these positions to provide reliable streams of income through dividends. Also, through ownership of large portions of some of its value stocks, Berkshire can heavily influence companies’ activities as a prominent shareholder, through stock buybacks, and through abstention within the company’s power structures. This, therefore, allows Berkshire to control parts of large industries, thereby generating greater returns on its investment in stock portfolios.
Liabilities: As of the latest financial report, Q3 2025, Berkshire Hathaway’s total liabilities are $525.52 billion, including borrowing debt and the insurance float. To break it down, the borrowing debt, totaling $127.2 billion, includes debt from the parent company and its subsidiaries, with their railroad and energy sectors having the highest percentage of this debt. The insurance float occupies $176 billion in debt that does not require any interest payments. Additionally, the underwriting profits from GEICO and Gen Re cover the cost of this capital.
BRK’s high ratio of owned shareholder equity provides much greater stability thanits competitors'. Most competitors use high levels of insurance float, which, while allowing them to leverage capital, means they have less control over their funds, forcing them to liquidate assets to pay short-term costs or claims. This can lead to poorly timed exits and investment losses, whereas BRK has full control over most of its assets and can exit whenever the time is right. By having large proportions of owned capital, BRK is not obligated to generate returns for policyholders, allowing them to invest in stable long-term growth, over risky, high-return investments, an option essential in high volatility markets such as the current one. This also allows Berkshire to hold liquid assets, securities, or even cash, and aggressively deploy them counter-cyclically, allowing it to take advantage of a weak economy and economic downturn.
Operational Costs: As of late 2025, Berkshire manages approximately $277 billion in annual operating expenses. This includes the cost of the services offered, which is $119 billion and covers expenses such as raw materials for Precision Castparts, and inventory for Nebraska Furniture Mart, $42 billion in insurance losses through payment of insurance claims through their insurance sector, rail/energy operation expenses like natural gas and power plant maintenance, about $36 billion in payroll and employee benefits. All of these operational expenses are centered on the idea of self-sufficiency and on ensuring that the company invests in tangible/stable assets. During the chance of economic downturn or recession, Berkshire’s expenses have already been geared toward businesses that control markets, such as the businesses they spend their money on, so if inflation rises, they can adjust the prices accordingly and not dip into heavy losses (since they control the supply chain through their operational costs). Also, through operational efficiency and predictable costs (without intangible assets, such as crypto), they can stay out of the negatives when consumer demand drops and the economy slows, and maintain a steady cash flow no matter what markets are doing.
Strategic Initiatives
When 2026 arrived, and the tech market started to shake up, Berkshire’s financial strategy shifted to a more defensive stance, and it pursued business initiatives to match it. These moves included decreasing their stake in Apple, the $9.7 billion acquisition of OxyChem, and increasing their stake in Japanese trading houses.
Reduction in Apple stake- Over the past 24 months, Berkshire has reduced its stake in Apple by over 70%, going from holding over 900 million shares to now holding about 238 million. This maneuver allows the cash pile, heavily concentrated in Treasury bills, to grow, enabling Berkshire to maintain a large safety net in the event of market turmoil. Especially with the liquidation of a large portion of shares in an expensive stock (Apple currently trades at 30x its intrinsic value), Berkshire is poised for defensive warfare against further tech rifts, AI fears, or market bubbles.
OxyChem Acquisition - This acquisition, finalized on January 2, 2026, gave Berkshire control of one of the top 3 US-based chemical manufacturers, heavily used in water treatment and healthcare. This was a specialized move aimed at giving Berkshire control of a top player in a stable industry that produces goods entire industries depend on (such as the pool industry, which depends on chlorine). Also, with this company being a regulated utility, granted legal monopoly status by the Federal government for producing essential goods, Berkshire establishes a stable return on equity (ROE), made possible by the government’s aforementioned classification of OxyChem, which therefore allows Berkshire to establish an income floor in a stable sector, further hedging itself against tech meltdowns.
Investment in Japanese trading houses- With the arrival of new CEO Greg Abel in 2026, Berkshire wanted to shift some of its investment focus to regions of the globe with lower political tension and higher capital efficiency (higher margins, more profit). This prompted Berkshire to increase its investments in Japanese trading houses, highly diversified and stable conglomerates with stable cash flows and influence across global industries. By increasing its stake in these conglomerates, Berkshire gains access to valuable industry knowledge, avoids political rifts in US-China relations, and maintains its heavily US-based manufacturing while benefiting from the profits of offshore firms in Asia.
Revenue Drivers
Regulated Asset Base Expansion - For the Utilities sector, Berkshire Hathaway Energy (BHE) generates revenue from a portfolio of hard assets, including transmission lines, pipelines, and power plants. Due to government regulations that permit BHE to earn guaranteed returns on these assets, all investment in those assets contributes to the revenue streams legally supported by the government. Also, with this revenue floor and lack of competitive disruption of income streams, Berkshire can weather economic crashes and a drop in consumer use, yielding consistent returns in volatile markets and compensating its shareholders in turn when other companies cannot.
Intermodal and Southern Transcon - In the railroads sector, Berkshire’s BNSF, one of the largest railroad companies, uses the Southern Transcon rail line between Southern California and Chicago to provide the most efficient method for consumers to ship international containers across the country. With the line also being double tracked (rail tracks running simultaneously in opposite directions), and with its competitors tied down in regulatory battles over rail lines, Berkshire can “monopolize” the transit on this route, reeling in supply chain giants such as Amazon to ship their goods using the rainline, securing a very generous and stable income, also ensuring that during an economic downturn, Berkshire can keep costs a little lower, yield higher profit margins, and be the last rail line to lose business during this time.
Insurance Float- (Explained further in detail in the above and in the industry analysis), Berkshire’s insurance float allows Berkshire to earn billions in premiums upfront, and stores these funds for long periods of time before having to pay the insurance claims. As explained earlier, with the maintenance of underwriting profitability, Berkshire's insurance float remains a constant source of funds (cost-free capital) that the company can reinvest in Treasury bills or high-yield bonds. This provides Berkshire with a continuous stream of revenue from funds it is being paid to hold, helping sustain its stability in volatile markets.
Valuation & Financial Analysis
To value a large conglomerate such as Berkshire Hathaway, a hybrid SOTP (Sum-of-Parts) model was employed. This hybrid SOTP method can capture BRK’s diverse landscape as a conglomerate, consolidating its industrial, investment, and insurance segments.
Operating businesses were valued utilizing 2-year normalized EBIT and segment-specific EV/EBIT multiples. Insurance underwriting was valued using 2-year normalized earnings and a 2-year average P/E multiple. The public portfolio equity is marked to market, and deferred tax liabilities were deducted. Cash and treasury bills are recorded at face value, net of the parent company's overall debt. By utilizing data normalized over the past 2 years (2023 & 2024), cyclical volatility is subdued.
Though a normalization over 5 years would typically be more accurate, in this case, 2 years were chosen to exclude the tail-end of Covid-19 and the rebound from it, which substantially lowered the statistics and would have provided a highly inaccurate valuation.
No conglomerate discount rate was applied in this valuation, as capital allocation is highly intentional within BRK, with Warren Buffett and Charlie Munger building Berkshire around centralized capital allocation. Tax efficiency reinforces the exemption of a conglomerate discount, with dividend taxation, transaction costs, and public market friction being circumvented through internal capital reallocation. These factors, in addition to insurance float and investment flexibility allowing float to fund operating acquisitions, cash to fund equity investments, and capital deployment during downturns, argue for excluding a discount rate, even providing a reason to add a premium (though this was not applied).
Our valuation is highly conservative to provide a range of safety.
Cash/treasury-bill reserves were kept at a constant level rather than growing at a more realistic 4-5% annually, with mostly treasury bills. This also excludes presenting the highly probable, large upside from major acquisitions with the large $318, now $381 billion, “war chest”.
Conservative estimate for usable float, applying 90% as opposed to the realistic 100% available capital based on BRK’s history of profitable underwriting and negative cost float.
Steady growth year over year, in comparison to the EV/EBIT multiples used being 10.1x and 9.8x, for BNSF and the manufacturing/service/retail (MSR) segments, respectively. Provided that Berkshire’s historical operating earnings growth and durability of its businesses, these multiples present modest forward growth expectation, and a sizable margin of safety relative to historical performance. However, the 10-year average CAGR rates used to forecast may include non-recurring tailwinds.
The EV/EBIT multiple applied to BHE is one of the only non-conservative/baseline estimates throughout the SOTP, with a ~32x multiple, which would typically be considered an overestimate. However, this is highly justified based on the historical data, along with the heavy emphasis on AI and data centers requiring high amounts of energy, causing rapid expansion in the energy and utilities industries, with tech giants like Microsoft, Amazon, Google, and Meta planning to invest roughly $700 billion in CapEx into AI infrastructure in 2026 alone.
Berkshire is highly profitable, with a ROIC of 6.12% as of 2024, up year over year, and a 5-year average ROE of 10.68%. Operating earnings margins have grown steadily, reaching 12.47% in 2024. All these numbers point to an obvious conclusion: BRK.B is a consistent, stable growth stock that has increased in value year after year.
At its current pricepoint, even with these conservative assumptions, our valuation model indicates slight upside (~0.8%), but the real selling point is the forecast for 2031. By buying to hold, as advised, our model forecasts a 2031 target price of $879.09. This presents an annualized return rate of 12.07%. Although the return rate only marginally outperforms the S&P’s historical rate of 10.4%, the S&P has a beta of 0.69. While not a rapid-growth, modern-day, tech stock, the current instability of the market, in conjunction with BRK’s large capital liquidity of $381 billion, offers large asymmetric return potential, with downside protection through stable cash-generating, nearly monopolized operating subsidiaries, and a strong upside driven by disciplined capital allocation and counter-cyclic deployment of its large liquid asset position.
*Expanded model presented in the Appendix
Investment Risks
Berkshire’s stability across many sectors and financial markets for decades suggests low investment risks for investors to consider. However, it is important to note a few prominent ones that could deter potential investors, including..
Revenue stagnation: The greatest strength of Berkshire, its stability and reliability to generate consistent returns, can turn into a major weakness. In the 2020s, when markets are fueled primarily by high-growth tech and AI stocks, Berkshire, with its conservative business model focused on tangible, stable assets, can lead to underperformance in the stock market. With the company’s defensive positioning, mainly regarding its major “cash” pile consisting of Treasury bills, Berkshire’s growth may be consistent, but it could stagnate, while the Mag 7, the 7 major tech stocks on the NYSE, skyrocket off innovation and high margins. This phenomenon, reflected in the Mag 7’s 276.8% increase vs Berkshire’s 121.2% increase since 2020 (see graph 1), suggests possible stagnation in growth compared to the tech industry. With that said, the vast majority of investors might shy away from the stock's stability in favor of higher returns elsewhere, further diminishing its appeal.
Succession in Leadership: With Warren Buffett's retirement as CEO of Berkshire Hathaway, the company’s power structure has been called into question. With Greg Abel taking over in 2026, a post-Buffett shockwave could rattle investor and market sentiment toward the stock. For many years, investors trusted the culture and “brain” of Buffett, and without him at the helm, a devaluation of the stock will likely occur, with Berkshire being downgraded in the minds of investors to just a “standard” conglomerate. Also, Abel is planning to shift its “buy and hold forever” investment strategy to prioritize returns over stability, which may lead to instability, volatility, and sharp changes in its core financials. A shift in sentiment regarding Berkshire’s leadership is evident in the stock’s losses relative to the S&P after the retirement announcement (see graph 2). Overall, without the stabilizing force of Buffett, Berkshire risks losing its credibility, its foundation in value over growth investments that help earn the stock its “legendary status,” and its loyal shareholders for good.
ESG Considerations
Berkshire is a conglomerate that has prioritized aggressive industrial advancement over the years and has advanced its ESG policies to keep up with the competition.
Environmental- 53rd globally in the World’s Most Sustainable Companies Index
Transport- Berkshire’s BNSF has established a $3.6 billion modernization plan for 2026 that includes idle-reduction technology (AESS) in combination with advanced testing of B20/R80 renewable fuels to lessen their environmental impact and reduce carbon emissions.
Manufacturing- In its many factories across 20+ subsidiaries, Berkshire has implemented the “decarbonized factory” protocol to reduce carbon emissions and comply with federal regulatory requirements, avoiding Carbon Taxes.
Energy- Berkshire has pledged to invest over $34 billion in renewable solutions, including the 75MW Glacier Battery System in 2026, to update its grid, provide stability during environmental disasters, and lessen its own negative environmental impact.Insurance- GEICO, under Berkshire Hathaway, requires its Auto Repair Xpress shops to adhere to the S/P2 pollution prevention training and has also adjusted risk pricing to account for climate change- caused natural disasters such as wildfires. Also, Gen Re has converted over 90% of its IT infrastructure to the cloud, further reducing its carbon footprint.
Society
Philanthropy- Berkshire has been known for its Philanthropic work under former CEO Warren Buffett, who led the conglomerate to donate over $62 billion in its lifetime. Berkshire has also provided thousands of jobs for working-class people during the market credit crisis, supporting communities and society during tough times.
Governance
Internal management changes- With Greg Abel taking over as CEO in 2026, capital allocation and subsidiary management are bound to change, and with the CEO position and the Chairman(Warren Buffett) position being separated for the first time in the conglomerate’s history, the culture will change in some regard as well.
Corporate Governance guidelines- Berkshire’s board of directors, through NYSE guidelines, has to have the majority of its members be independent from the company’s financials and employment, and maintains the requirement that directors become ineligible for reelection over the age of 80, with the CEO and directors with over 5% of voting power (Warren Buffett) being exempt. Overall, Berkshire maintains a policy of integrity and business savviness to foster a strong corporate culture among its board members.
Employee wellness- Berkshire maintains a strong merit-based policy with limited DEI influences, though its subsidiaries mostly have diversity councils and mental health resources for employees. Berkshire allows subsidiaries a great deal of freedom in managing employee affairs, but strictly monitors any effects on the conglomerate’s economic security.
Impact of AI
Like many other companies, Berkshire has had to explore and adapt to the AI boom across its various industries. To adapt, Berkshire has strategized to use AI to position itself competitively amid the growth of tech companies, while also sustaining its traditional business models to maintain stability and avoid volatility. Berkshire, as a whole, with its cash surplus, has the potential to buy the dip in markets and make large gains in their investment portfolio off the AI boom, especially with stocks such as Apple. This, in conjunction with adjustments to their business practices, will enable sustained growth in each sector.
Insurance: In its underwriting department, Berkshire has expanded its use of AI from just an efficiency tool to the backbone of underwriting. Partnerships, such as those with Motive AI to automate claims and analyze data more efficiently, allow Berkshire to increase its customer capacity and, therefore, increase profit growth.
Utilities: Berkshire Hathaway Energy has adopted AI-powered data centers and analytics to optimize energy storage and increase the grid’s power output and capacity.
Railroads: Berkshire’s BNSF has used AI to implement machine vision and thermal sensors to optimize equipment use and prevent failures. AI has also been implemented to improve thermal inventory (thermal sensors that monitor railcar condition) optimization and to monitor the "switch list” (train maintenance), reducing costs and increasing BNSF’s profits.
APPENDIX
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