Berkshire Hathaway vs S&P 500 Index Fund

For most investors, a low-cost S&P 500 index fund is the better fit because it guarantees market returns with minimal fees and no manager risk; Berkshire Hathaway only makes sense if you specifically want concentrated, value-oriented stock picking and can tolerate years of underperformance. This article compares the two on costs, risk, tax efficiency, and historical performance so you can decide which belongs in your portfolio.

Formula

Future value = Initial investment × (1 + annual return rate)^years

Where:

• Initial investment ($) – the lump sum you start with
• Annual return rate (%) – your expected average yearly gain or loss
• Years – how long the money stays invested
• Future value ($) – what the investment grows to, assuming no withdrawals or additional contributions

Worked Example

Using the default values: $10,000 invested for 10 years at a 7% annual return.

Future value = 10,000 × (1 + 0.07)^10

Future value = 10,000 × (1.07)^10

Future value = 10,000 × 1.967151

Future value = $19,671.51

So a $10,000 investment grows to about $19,672 after 10 years at 7% compounded annually.

What Berkshire Hathaway Actually Is

Berkshire Hathaway (ticker BRK.B) is a publicly traded holding company run by Warren Buffett and his team. It owns whole businesses—GEICO, BNSF Railway, See’s Candies, and many others—plus a large stock portfolio of companies like Apple, Bank of America, and Coca-Cola. When you buy a share of BRK.B, you are buying a diversified collection of operating businesses and stocks, but it is not an index fund. It is a single stock with a specific investment philosophy: buy undervalued companies with durable competitive advantages and hold them for the long term.

An S&P 500 index fund, by contrast, holds shares of roughly 500 large U.S. companies in proportion to their market value. It is a passive investment that simply tracks the index. You own a tiny slice of every company in the S&P 500, from Apple to ExxonMobil, without any manager deciding what to buy or sell.

Costs and Fees: The Silent Killer

Costs are the most concrete difference. An S&P 500 index fund from Vanguard (VFIAX) or Fidelity (FXAIX) charges an expense ratio of about 0.04% per year. Berkshire Hathaway charges no management fee at all—you pay only the bid-ask spread when you trade the stock. However, Berkshire’s operating costs are embedded in the businesses it owns, and those are not free.

Over 30 years, a 0.04% fee on a $100,000 portfolio costs roughly $1,200 in total. A 1% fee would cost about $26,000. The difference between a 0.04% index fund and a 0.50% actively managed fund is substantial, but Berkshire’s fee is effectively zero at the shareholder level. That said, you still pay brokerage commissions and possibly a bid-ask spread when buying or selling BRK.B, which can be meaningful for small purchases.

Performance History: The Buffett Record

From 1965 through 2023, Berkshire Hathaway’s book value per share compounded at about 19.8% annually, while the S&P 500 with dividends grew at about 10.2%. That is a massive outperformance over nearly six decades. However, that record is largely from the early decades. Since 2000, Berkshire has roughly matched or slightly lagged the S&P 500 in many periods. For example, from 2009 to 2024, the S&P 500 total return was about 13% annualized, while Berkshire’s stock returned about 12% per year.

More importantly, past performance does not guarantee future results. Buffett himself has said that his best years are behind him and that the size of Berkshire’s capital base makes it hard to outperform. The index fund’s performance is guaranteed to match the market (minus fees), while Berkshire’s future depends on the skill of its managers and the fate of its holdings.

Risk and Volatility: Which Is Safer?

An S&P 500 index fund is already diversified across 500 companies, so a single company’s failure has little impact. Berkshire is a single stock, so its price can be more volatile. However, Berkshire’s underlying business is itself diversified across many industries, which reduces company-specific risk. In practice, Berkshire’s volatility has been similar to or slightly lower than the S&P 500’s in recent decades, partly because it holds cash and conservative investments.

That said, Berkshire carries specific risks the index fund does not:

• Key-person risk – Warren Buffett is 94. His successor, Greg Abel, is untested as CEO in a downturn.
• Concentration risk – Berkshire’s top five stock holdings often make up 70% or more of its equity portfolio.
• Business risk – its insurance operations (GEICO, reinsurance) could face catastrophic losses.

An index fund has none of these. It will never go to zero, but it can fall 50% in a severe recession, just as it did in 2008–2009. Berkshire also fell about 50% in that crisis, so both are vulnerable to market-wide crashes.

Tax Efficiency and Dividends

Berkshire pays no dividends, so you never owe tax on distributions until you sell. That makes it tax-efficient in a taxable brokerage account. The S&P 500 index fund pays a dividend yield of about 1.3% to 1.5% per year, which is taxable in the year it is received (qualified dividends at lower rates). Over decades, that tax drag can reduce your after-tax return by 0.2% to 0.5% per year, depending on your tax bracket.

However, index funds are extremely tax-efficient in other ways. They rarely sell holdings, so they generate few capital gains. Berkshire, on the other hand, occasionally sells stocks and realizes capital gains, which are passed through to shareholders as taxable distributions. In 2022, Berkshire distributed a large capital gain that surprised many shareholders. So the tax picture is mixed: Berkshire wins on no dividends, but can hit you with occasional capital gains.

How to Choose: A Practical Framework

Ask yourself these questions:

• Do you want to match the market or try to beat it? If you want market returns, pick the index fund. If you want a shot at outperformance, Berkshire is a reasonable bet.
• Can you handle watching a single stock underperform for years? Berkshire lagged the S&P 500 for most of 2019–2023. If you would panic and sell, the index fund is better.
• Do you value simplicity? An index fund is set-and-forget. Berkshire requires you to monitor management changes and business decisions.
• Are you investing in a taxable account? Berkshire’s lack of dividends is attractive, but the index fund’s low turnover is also good.
• What is your time horizon? For 10+ years, either can work. For shorter periods, the index fund’s diversification reduces the chance of a permanent loss.

For most people, the answer is the index fund. It is cheaper, simpler, and eliminates manager risk. Berkshire can be a complement—say 10% to 20% of your equity allocation—if you want a value tilt and believe Buffett’s successors will do well. But it should not be your only holding.

Frequently Asked Questions

Is Berkshire Hathaway a good investment for beginners? Not usually. Beginners benefit from broad diversification and low costs. A single stock, even one as diversified as Berkshire, carries more risk and requires more judgment. Start with an index fund and only add Berkshire after you understand its structure and risks.

Does Berkshire Hathaway pay dividends? No, it has not paid a dividend since 1967. The company prefers to reinvest earnings or buy back its own stock. This makes it tax-efficient for long-term holders, but it provides no income.

Can I buy fractional shares of Berkshire Hathaway? Yes, many brokers allow fractional shares, but note that Berkshire’s Class A shares (BRK.A) trade around $600,000 each, while Class B shares (BRK.B) are roughly $400. Most investors buy BRK.B.

What is the minimum investment for an S&P 500 index fund? Most funds have no minimum, but some mutual funds require $1,000 to $3,000. Exchange-traded funds (ETFs) like VOO or SPY can be bought for the price of one share, and fractional shares are widely available.

Which has higher returns: Berkshire or the S&P 500? Historically, Berkshire has beaten the S&P 500 by a wide margin since 1965, but that outperformance has narrowed dramatically in the last 20 years. Future returns are uncertain; the index fund guarantees market returns, while Berkshire may do better or worse.

Should I sell my Berkshire stock to buy an index fund? That depends on your tax situation and conviction. If you have large unrealized gains, selling may trigger a big tax bill. Consider holding both, or gradually rebalancing into the index fund over several years to spread out taxes.

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in years | Investment horizon (years) | years | 10 | 1 | 50
in amount | Initial investment ($) | $ | 10000 | 0 | 10000000
in rate | Expected annual return (%) | % | 7 | -100 | 100
out future | Future value | $ | amount * (1 + rate/100)^years | 0