1993 Shareholder Letter Summary

In 1993, Berkshire Hathaway's per-share book value grew by 14.3% (a $1.5 billion net increase). This letter represents a masterclass in challenging academic finance conventions. Buffett fundamentally re-defines the concept of "Risk," dismissing Beta and volatility. He formally introduces his philosophy on "Portfolio Concentration" versus diversification, and he breaks down the three structural templates of Corporate Governance to explain how boards of directors actually function (or fail to function). Additionally, Berkshire expands its shoe empire with the blockbuster stock-swap acquisition of Dexter Shoe.

Historical Stats

Net Worth Growth: +14.3% ($1.5 billion increase in book value).
Compounded Annual Growth (29 years): 23.3%
Shareholder Designated Contributions: Allowance raised to $10 per share, up from the original $2, with an incredible 97% participation rate ($9.4 million total, 3,110 charities).
Stock Issuance: Berkshire issued 25,203 shares to acquire Dexter Shoe—increasing total shares outstanding from 1,152,547 to 1,177,750 (plus 3,944 shares for converted debentures).
Federal Income Taxes Paid: $390 million directly paid by Berkshire, plus over $400 million paid indirectly via Berkshire's share of investee taxes.
Average Float: $2.62 billion at a cost of "less than zero" due to an underwriting profit.

🏢 Corporate Performance & Operations

Dexter Shoe: Acquired this superbly-run shoe manufacturer based in Dexter, Maine, founded in 1956 by Harold Alfond and managed with Peter Lunder. The transaction was a tax-free stock swap where Dexter owners traded 100% of their private company for Berkshire shares. Together with H. H. Brown Company and Lowell Shoe, Berkshire's shoe division now employs 7,200 people with expected 1994 sales of $550 million.
Insurance Group: Underwriting returned to profitability ($30.8 million pre-tax gain) with $2.6 billion in float at no cost. Buffett warns that the super-cat business (managed by Ajit Jain) is highly volatile, comparing a lucky streak to a casino operator who will eventually suffer a "lulu" of a loss.
The Washington Post Company: Katharine Graham retired as Chairman, being inducted into the Business Hall of Fame. The original $10 million investment has turned into a $400 million holding paying $7 million in annual dividends.
Mrs. B's 100th Birthday: Mrs. B turned 100 on December 3, 1993. She celebrated by postponing her party because the store was open that evening and she refused to miss her shift.
Borsheim's: Susan Jacques was named President and CEO, having risen from a $4-an-hour job starting in 1983.
Omaha Royals: Buffett mentions his 25% stake in the minor league baseball team and jokes about his terrible ceremonial first pitch.

Core Themes & Insights

📉 Redefining Risk (vs. Academic Beta)

The Philosophy: Buffett completely dismantles the academic theory that equates risk with stock price volatility (Beta). The Lesson: True risk is the "possibility of loss or injury," specifically the loss of purchasing power over an investment's holding period. He argues that stock volatility is actually welcomed by true investors, who use it to buy wonderful businesses at irrationally low prices.

See Risk

🎯 Portfolio Concentration (The "Know-Something" Investor)

The Philosophy: Buffett draws a sharp line between "know-nothing" investors and "know-something" investors. The Lesson: Those who know nothing about business economics should broadly diversify into index funds and slowly buy over time. However, for those capable of evaluating wonderful businesses, broad diversification is actively harmful. A policy of portfolio concentration decreases risk because it demands more intense analysis and a higher comfort level before money is deployed.

See Portfolio Concentration

👔 Corporate Governance & The Three Board Situations

The Philosophy: Buffett dissects the effectiveness of Boards of Directors by categorizing them into three structural types:

The Plain-Vanilla Case: No controlling owner. Directors often act as rubber stamps due to social dynamics and "The Institutional Imperative."
The Owner/Manager Case (Currently Berkshire): The CEO is the controlling owner. Directors are effectively powerless to remove him; if he overreaches, their only recourse is to resign loudly.
The Non-Management Controlling Owner Case (Berkshire after Buffett): The "ideal" model where a controlling shareholder (like Buffett's wife, Susie, or Howard Buffett representing the controlling interest) exists but does not run the business. They can easily replace mediocre management without having to herd disparate directors into a consensus.

See Corporate Governance

💸 The Compounding Benefit of Deferred Taxes

The Philosophy: Using the Dogpatch fable of Li'l Abner and Appassionatta Van Climax, Buffett explains the mathematics of deferred tax liabilities. The Lesson: Investors who realize capital gains every year and pay a 35% tax on their doubles compound at a vastly slower rate than those who buy a single outstanding investment and hold it tax-deferred. The unpaid tax acts as an interest-free loan from the government, allowing the investor to compound the government's money for their own benefit.

💰 1993 Shareholder Letter: "Redefining Risk and the Power of Concentration"

"It is better to be approximately right than precisely wrong." — Warren Buffett

🎭 The Narrative Context

In 1993, the stock prices of Berkshire's core franchise holdings, Coca-Cola and Gillette, experienced a period of stagnation—rising just 11% and 6% respectively over two years, despite achieving operating earnings growth of over 37%. This divergence from the broader market reflected Wall Street's temporary panic over the future of consumer brands (fueled by events like Philip Morris's "Marlboro Friday"). Rather than panic, Buffett viewed this divergence as a classic demonstration of the voting vs. weighing machine dynamics. He used the letter to strike back at the academic establishment's dominance of finance theory, dismantling the concept of Beta (volatility) and defending the wisdom of portfolio concentration. He also made a major stock-financed acquisition, purchasing Dexter Shoe, and reflected on his own future transition of Berkshire by explaining the mechanics of corporate governance.

💡 Philosophical Gems

The Redefinition of Investment Risk

Academic finance has corrupted the definition of risk by equating it with stock price volatility (Beta).

True Risk: Risk is the probability of permanent loss or injury of purchasing power over the investment's holding period, plus a modest rate of interest.
The Volatility Fallacy: Stock volatility is not risk. In fact, price fluctuations are an investor's greatest asset because they allow "Mr. Market" to periodically offer outstanding businesses at irrationally low prices. Equating volatility with risk leads to the absurdity that a stock becomes "riskier" when its price drops.
The Quote: "Academics, however, like to define investment 'risk' differently, averring that it is the relative volatility of a stock... In their hunger for a single statistic to measure risk, however, they forget a fundamental principle: It is better to be approximately right than precisely wrong."

Portfolio Concentration vs. Diversification

Standard diversification dogma is a shield for the ignorant, not a tool for the skilled.

The 'Know-Nothing' Investor: If an investor does not understand business economics, they should diversify widely into low-cost index funds and buy periodically. Paradoxically, acknowledging their ignorance makes them smart.
The 'Know-Something' Investor: If an investor is capable of evaluating business economics and finds a few outstanding, sensibly-priced companies, broad diversification is highly damaging. It dilutes returns and increases risk by forcing them to put money into their 20th favorite business rather than their top choices.
The Quote: "If you are a know-something investor, able to understand business economics and to find five to ten sensibly-priced companies that possess important long-term competitive advantages, conventional diversification makes no sense for you... Too much of a good thing can be wonderful."

The Leverage of Deferred Taxation

Long-term buy-and-hold investing provides a massive, legal tax benefit by delaying the realization of capital gains.

The Interest-Free Loan: Unrealized capital gains accumulate tax-free. The unpaid tax operates as an interest-free loan from the government, allowing the investor to compound the government's share of the money alongside their own.
The Dogpatch Fable: Illustrates how Li'l Abner's portfolio would have shrunk from $130 million after-tax to a mere $22,370 if he had realized gains and paid a 35% tax on every double, rather than letting a single investment compound internally.
The Quote: "Tax-paying investors will realize a far, far greater sum from a single investment that compounds internally at a given rate than from a succession of investments compounding at the same rate."

The Structural Reality of Boards of Directors

Corporate governance effectiveness is dictated by the underlying ownership structure, not by compliance checklists.

The Plain-Vanilla Board: In companies with no controlling shareholder, boards often lack spine because directors are selected for prominence or diversity, rather than business savvy and owner-orientation. Social dynamics and the "Institutional Imperative" lead to rubber-stamping mediocre CEOs.
The Controlling Non-Manager Model: The ideal governance model is one where a controlling, non-management owner exists. This owner can easily replace mediocre management without having to build a consensus among ten disparate directors.
The Quote: "Unless the unhappy directors can win over a majority of the board—an awkward social and logistical task, particularly if management’s behavior is merely odious, not egregious—their hands are effectively tied."

🗣️ Verbatim Masterclass

"In the short-run, the market is a voting machine... but in the long-run, the market is a weighing machine."
"There’s no use running if you’re on the wrong road."
"We have criticized the managerial practice of shooting the arrow of performance and then painting the target, centering it on whatever point the arrow happened to hit. We will instead risk embarrassment by painting first and shooting later."
"At Berkshire, we do not tell .400 hitters how to swing."
"An investor should ordinarily hold a small piece of an outstanding business with the same tenacity that an owner would exhibit if he owned all of that business."
"Too much of a good thing can be wonderful."
"When 'dumb' money acknowledges its limitations, it ceases to be dumb."
"The pleasant but vacuous director need never worry about job security."

🔗 Evolutionary Links

Entities: Dexter Shoe, Harold Alfond, Peter Lunder, Frank Rooney, The Coca-Cola Company, Gillette, The Washington Post Company, Katharine Graham, Don Keough, Ajit Jain, Susan Jacques, Borsheim's
Concepts: Risk, Portfolio Concentration, Corporate Governance, Look-Through Earnings, The Moat, Super-Cat Insurance

[!TIP] The 1993 Lesson: Stop equating stock price volatility with risk. Volatility is your friend, providing bargain prices. If you can analyze businesses, concentrate your portfolio in 5 to 10 outstanding, moat-protected companies and let them compound internally without triggering transaction taxes.

Preceded by: 1992 Letter
Followed by: 1994 Letter
Index: index