Warren Buffett: Life, Wealth, and Investment Strategy

There’s a reason a man who eats McDonald’s for breakfast and spends five hours a day reading newspapers is one of the world’s richest people. Warren Buffett didn’t get to $139 billion through luck alone—he built Berkshire Hathaway into a trillion-dollar conglomerate with a philosophy that’s stubbornly simple.

Net worth: $139 billion (as of December 2023) ·
Age: 93 (born August 30, 1930) ·
Company: Chairman and former CEO of Berkshire Hathaway ·
Known for: Value investing, ‘Oracle of Omaha’ ·
Coca-Cola stake: 9.3% (approx. 400 million shares)

Key biographical data points from multiple authoritative sources:

How did Warren Buffett get rich?

Early investments and the partnership era

• Buffett bought his first stock at age 11 (Wikipedia biography)
• Formed Buffett Partnership Ltd. in 1956 (Britannica)
• Acquired Berkshire Hathaway in 1965 (CNN Fast Facts)

Buffett’s first stock purchase at 11—three shares of Cities Service Preferred—set the pattern. By 1956, the 25-year-old had launched Buffett Partnership Ltd. with $100,000 from seven investors. The partnership grew to tens of millions in assets by the mid-1960s. Then came the acquisition that defined his career: Berkshire Hathaway, a struggling textile mill, in 1965.

Key principles of value investing

• Focus on intrinsic value, not market noise
• Hold for the long term—Buffett’s Apple stake was held for years before becoming Berkshire’s largest holding
• Invest in businesses with durable competitive advantages (“moats”)

Buffett’s approach, distilled from Columbia professor Benjamin Graham, is deceptively simple: buy businesses below their intrinsic value and hold them. He calls it “moats”—companies with defensible advantages. Apple, which represented roughly 44.7% of Berkshire’s equity portfolio by July 2024, is the ultimate moat bet (Motley Fool analysis). The catch: even Buffett sold nearly half his Apple stake in Q2 2024 (CNBC). No moat is eternal.

The implication: Buffett’s wealth isn’t about stock tips—it’s about buying businesses with structural advantages and never selling until the moat erodes.

Who is richer, Elon Musk or Warren Buffett?

Net worth comparison as of 2024

• Warren Buffett: ~$133-$137 billion (Reuters/Forbes)
• Elon Musk: ~$210 billion (Forbes 2024 list, fluctuates with Tesla/SpaceX stock)
• Buffett ranked 6th globally on Forbes 2024 list (Forbes)

Musk’s wealth is tied to high-volatility tech stocks; Buffett’s is anchored in Berkshire’s insurance and investment cash flows. The trade-off: Musk can gain or lose $50 billion in a week. Buffett’s net worth changes in single-digit billions. Stability vs. volatility.

Here is a side-by-side comparison of the two billionaires:

Sources of wealth: tech vs. traditional investments

Musk derives his fortune from equity in Tesla and SpaceX—companies he founded and controls. Buffett’s wealth comes from a conglomerate with $364.5 billion in 2023 revenue (Wikipedia) and a portfolio spanning insurance, railroads, energy, and consumer goods. The contrast is stark: Musk builds the future; Buffett owns the infrastructure the future runs on.

The pattern: Both give away billions, but Buffett’s more stable wealth allows predictable philanthropy—he’s donated over $50 billion to the Gates Foundation (Giving Pledge). Musk’s charitable giving is less consistent and frequently tied to stock sales.

Why did Warren Buffett’s wife leave?

Separation from Susan Buffett in 1977

• Susan Buffett moved to San Francisco in 1977, leaving Omaha
• The separation was not a divorce—they remained married until her death in 2004
• Susan owned 2.2% of Berkshire Hathaway at her death, worth ~$3 billion (Wikipedia)

In 1977, Susan Buffett left Omaha for San Francisco to pursue a singing career and social activism. The move stunned friends, but both Buffetts described it as amicable. They remained legally married, spoke frequently by phone, and traveled together. Buffett later said Susan knew he was “emotionally dependent” and wanted him to become more independent (Encyclopedia.com).

Continued close relationship after separation

Despite living apart, Susan remained Berkshire’s largest individual shareholder after Warren and a company director. She introduced Warren to Astrid Menks, who became his companion and later his second wife. The arrangement was unconventional, but all three described it as a close, functional relationship. No public divorce or animosity was ever reported.

Why this matters: The separation narrative often gets framed as a scandal, but the evidence suggests a relationship that adapted rather than ended. For Buffett’s biography, it’s a rare glimpse into his personal life, which he guards closely.

Does Warren Buffett still own Coca-Cola?

Current stake in Coca-Cola

• Berkshire Hathaway owns approximately 9.3% of Coca-Cola
• The stake is worth over $20 billion as of 2024
• Buffett first bought shares in 1988 (CNBC)

Yes—and he hasn’t sold a single share. Berkshire’s Coca-Cola position, first built in 1988, remains one of the most famous long-term holdings in investing history. The $1.3 billion initial investment is now worth roughly $25 billion. Buffett drinks about five Cokes a day, a habit he calls “the consumption pattern of a six-year-old” (Business Insider).

The catch: Coca-Cola is no longer Berkshire’s top holding—Apple surpassed it years ago. But Buffett’s loyalty to the brand is both financial and personal. “If I eat 2,700 calories a day, a quarter of that is Coca-Cola,” he once said.

History of the investment

Buffett began buying Coca-Cola shares at a time when the company was facing criticism over New Coke and a slumping stock. His thesis: a global brand with a moat so wide no competitor could replicate its distribution. The investment is a textbook value play—buy when others doubt, hold forever.

The trade-off: Coca-Cola has underperformed the S&P 500 over the past decade, but Buffett doesn’t care. He’s after dividend income and brand permanence, not quarterly outperformance.

What is Buffett’s 5 hour rule?

Dedicated reading time daily

• Buffett reportedly spends 5-6 hours per day reading (YouTube educational video)
• He reads annual reports, financial newspapers, SEC filings, and books
• His office reportedly has no Bloomberg terminal—just newspapers and a phone

The “5 hour rule” isn’t a formal schedule but a deeply ingrained habit. Buffett estimates 80% of his working day is spent reading and thinking. “I insist on a lot of time being spent, almost every day, to just sit and think,” he told a CNBC interviewer (CNBC). He reads The Wall Street Journal, The Financial Times, annual reports of hundreds of companies, and SEC filings.

Examples of materials he reads

Buffett’s reading list is exhaustive: 10-Ks, 10-Qs, trade publications, and books. He’s read every edition of Benjamin Graham’s The Intelligent Investor. He also reads competitors’ annual reports—sometimes more carefully than his own. “Read 500 pages like this every day,” he once told a group of students. “That’s how knowledge works. It builds up, like compound interest.”

The implication: For anyone trying to emulate Buffett’s success, the single most actionable habit is daily, focused reading. Not stock tips—information compounding.

Key timeline: Warren Buffett’s life by the numbers

Eight inflection points, each a lesson in timing and conviction:

Why this matters: The timeline shows a consistent pattern—early start (11 years old), early success (partnership at 25), one defining acquisition (Berkshire at 35), and decades of compounding. No shortcuts.

What we know and what remains unclear

Confirmed facts

• Buffett’s net worth exceeds $130 billion (Forbes, Reuters)
• Berkshire Hathaway owns approximately 400 million shares of Coca-Cola (CNBC)
• He eats McDonald’s breakfast most mornings (Business Insider)
• His wife Susan left Omaha in 1977 but remained married until her death in 2004 (Encyclopedia.com)
• Buffett has donated over $50 billion to philanthropic causes (Giving Pledge)
• Berkshire Hathaway had total assets of $1.07 trillion as of December 31, 2023 (Berkshire 2023 Annual Report)

What’s unclear

• Exact reasons for Nicole Buffett’s disownment are not fully detailed by the family
• Nature of friendship with Donald Trump beyond occasional public events
• Precise succession timeline for Berkshire Hathaway’s leadership

The pattern: Buffett’s public life is well-documented, but his private decisions remain opaque.

Quotes from Buffett and his circle

“I go to McDonald’s every morning. And I order either a sausage biscuit, or an Egg McMuffin, or a bacon, egg and cheese biscuit. I tell them: ‘I’m going to be down. Remember my order.'”

— Warren Buffett, in a CNBC interview via Business Insider

“The most important quality for an investor is temperament, not intellect. You need a temperament that neither derives great pleasure from being with the crowd nor against the crowd.”

— Warren Buffett, from a Berkshire Hathaway shareholder letter

“He was a work in progress. And I loved him and I still love him. But he was not easy to live with. He was—and is—a genius, and that comes with its own set of challenges.”

— Susan Buffett, quoted in the biography “The Snowball” (Encyclopedia.com)

“The odds were heavily stacked in my favor when I emerged from the womb in 1930 in the United States as a white male.”

— Warren Buffett, in a 2024 Berkshire shareholder letter via Yahoo Finance

Summary: What Buffett’s story means for investors

Buffett’s career is a case study in the power of discipline over speed. He didn’t invent a new technology or leverage debt—he bought businesses with durable moats and held them through cycles. The result: a $1 trillion conglomerate, $139 billion in personal wealth, and a life that looks strikingly ordinary. McDonald’s breakfast, Coca-Cola at lunch, hours of reading. For anyone looking to build lasting wealth, the trade-off is clear: you can chase the next Tesla, or you can own the Coca-Cola that trucks its syrup to every corner of the world. Buffett chose the latter—and it worked.

For value investors in the US market, the implication is straightforward: hold what you understand, ignore the noise, and read more than you trade. The alternative—chasing momentum—has a lower success rate. Buffett’s 50-year track record proves it.

Related reading: Rafael Nadal: Retirement, Diagnosis, Family and Net Worth (2024)