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20 Investing Legends, Ranked

The Greatest
Investors of All Time

From Buffett's 60-year compounding machine to Simons' algorithmic empire. The investors who changed the game — and what you can learn from each one.

Ranked by track record, influence, and lasting impact on the craft of investing.

20

Legends Ranked

$5T+

Capital Managed

66%

Best Annual Return

200+

Years of Wisdom

1

Warren Buffett

20%+ CAGR over 60 years at Berkshire Hathaway

The Oracle of Omaha turned a failing textile mill into a $900 billion conglomerate. Buffett's edge is not just stock picking — it is temperament, patience, and the ability to think in decades when everyone else thinks in quarters. He has compounded Berkshire Hathaway at over 20% annually for six decades, a feat no other investor has matched at that scale.

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2

Charlie Munger

Buffett's partner and intellectual architect of modern Berkshire

Munger convinced Buffett to evolve from buying cheap cigar butts to owning wonderful businesses at fair prices. That single philosophical shift created hundreds of billions in value. His mental models approach — drawing from psychology, physics, biology, and history — changed how a generation thinks about investing and decision-making.

3

Benjamin Graham

Father of value investing, authored Security Analysis (1934)

Graham invented the discipline of security analysis. Before him, buying stocks was speculation. After him, it was a profession. His concepts — intrinsic value, margin of safety, Mr. Market — form the intellectual foundation on which every value investor since has built. Buffett, Klarman, and Munger all trace their lineage directly to Graham.

4

George Soros

Made $1 billion in a single day shorting the British pound

Soros broke the Bank of England on Black Wednesday in 1992, netting over a billion dollars by betting that the pound was overvalued within the European Exchange Rate Mechanism. His theory of reflexivity — that markets can influence the fundamentals they are supposed to reflect — remains one of the most powerful frameworks for understanding financial bubbles and crashes.

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5

Peter Lynch

29.2% average annual return managing Fidelity Magellan Fund

Lynch averaged 29.2% annually over 13 years at the Magellan Fund, turning $18 million into $14 billion. His approach was deceptively simple: invest in what you know, do your homework, and be patient. He coined the concept of the 'ten-bagger' and showed that ordinary people who pay attention to the world around them can find extraordinary investments.

6

Ray Dalio

Built Bridgewater into the world's largest hedge fund ($150B+ AUM)

Dalio built Bridgewater Associates from his apartment into the world's largest hedge fund. His All Weather portfolio strategy — designed to perform in any economic environment — democratized institutional-grade asset allocation. His radical transparency culture and 'Principles' framework influenced how thousands of organizations think about management and decision-making.

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7

Carl Icahn

Pioneer of activist investing and corporate governance

Icahn invented the playbook for activist investing. He takes large positions in undervalued companies, then forces management to unlock value through restructuring, spinoffs, or outright sales. His campaigns against companies like TWA, Texaco, and Apple have generated billions in returns and permanently changed the balance of power between shareholders and corporate boards.

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8

John Templeton

Pioneer of global investing, bought during maximum pessimism

Templeton was buying Japanese stocks in the 1960s when most American investors had never looked beyond their borders. His most famous trade: buying 100 shares of every stock trading under $1 on the NYSE at the start of World War II. He turned $10,000 into $40,000 in four years. His maxim — 'buy at the point of maximum pessimism' — remains the purest expression of contrarian value investing.

9

Seth Klarman

Baupost Group, 20%+ annual returns over three decades

Klarman runs Baupost Group, one of the most successful and secretive hedge funds in history. His book Margin of Safety, now out of print, sells for over $1,000 used. He is the living embodiment of Graham's philosophy: patient, disciplined, willing to hold cash when nothing is cheap, and ruthlessly focused on downside protection. He has compounded at over 20% annually for more than 30 years.

10

Howard Marks

Oaktree Capital co-founder, legendary investment memos

Marks co-founded Oaktree Capital, the world's largest distressed debt investor, and his memos are read religiously by Warren Buffett himself. His book The Most Important Thing distills decades of wisdom into a framework for understanding risk, cycles, and second-level thinking. No one alive writes more clearly about what it means to be a thoughtful investor.

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11

Jim Simons

Renaissance Technologies Medallion Fund: 66% annual returns before fees

Simons, a former NSA codebreaker and mathematics professor, built the most profitable trading operation in history. The Medallion Fund has returned an astonishing 66% annually before fees since 1988. He proved that markets have patterns, and that the right combination of mathematics, computing power, and relentless empiricism can extract them. He turned quantitative investing from a fringe idea into the dominant force on Wall Street.

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12

Paul Tudor Jones

Called the 1987 crash, turned $1.5M into $100M+ in under a decade

Jones is one of the greatest macro traders who ever lived. He famously predicted and profited from the 1987 Black Monday crash, reportedly tripling his money on the day the market lost 22%. His blend of technical analysis, macroeconomic insight, and disciplined risk management set the template for an entire generation of hedge fund managers.

13

Stanley Druckenmiller

Never had a down year in 30 years of professional investing

Druckenmiller was the man who actually executed Soros's famous pound trade, and he went on to compile one of the most remarkable track records in history: 30% annual returns over 30 years with no losing years. His ability to shift between asset classes, go long or short, and size positions based on conviction makes him arguably the most versatile investor who has ever lived.

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14

Bill Ackman

Pershing Square, legendary activist campaigns and macro trades

Ackman combines deep fundamental research with the willingness to take massive concentrated bets. His $27 million credit default swap position in March 2020 turned into $2.6 billion in 30 days — one of the greatest single trades ever made. His activist campaigns at companies like Canadian Pacific Railway created billions in shareholder value. He is fearless, transparent, and unapologetically concentrated.

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15

Nick Sleep

Nomad Investment Partnership, 20%+ CAGR from 2001 to 2014

Sleep and his partner Qais Zakaria ran the Nomad Investment Partnership, generating 921% cumulative returns from 2001 to 2014. Their insight was 'destination analysis' — identifying companies where the end state was so obviously valuable that the path did not matter. They loaded up on Amazon, Costco, and Berkshire early. Sleep closed the fund and returned all capital, choosing enough over more.

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16

Mohnish Pabrai

The Dhandho Investor, shameless cloner of Buffett and Munger

Pabrai took the Buffett-Munger framework and made it accessible. His book The Dhandho Investor distills value investing into a simple principle: heads I win a lot, tails I do not lose much. He famously paid $650,000 to have lunch with Warren Buffett and considers it the best investment he ever made. His approach — clone the best, focus on low-risk/high-uncertainty situations — is both humble and devastatingly effective.

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17

Li Lu

Himalaya Capital, the only outside manager trusted by Charlie Munger

Li Lu escaped China after the Tiananmen Square protests, arrived in America with $40 in his pocket, and went on to become the only outside money manager Charlie Munger ever entrusted with his family fortune. He introduced Munger to BYD, which became one of Berkshire's best investments. Munger's original stake grew roughly 400% under Li Lu's management. His story is one of the most remarkable in investing history.

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18

Thomas Phelps

Author of '100 to 1 in the Stock Market' — the case for patience

Phelps studied every stock that returned 100x or more from 1932 to 1971 and found a common thread: the greatest returns came to those who bought good businesses and simply held on. His book is a manifesto against overtrading and a love letter to compound interest. The message is timeless — the hardest part of investing is not finding winners, but keeping them.

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19

John Paulson

Made $15 billion shorting subprime mortgages in 2007-2008

Paulson executed what many consider the greatest trade in financial history. He saw the subprime mortgage bubble when almost no one else did, built an enormous short position through credit default swaps, and made approximately $15 billion for his fund when the housing market collapsed. It was conviction, not luck — he spent years building the thesis before the world caught on.

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20

Glen Bradford

All-in on GSE junior preferred — concentrated conviction investing

Yes, I put myself on this list. Not because I have a 60-year track record, but because I believe concentrated conviction investing in a thesis you have studied for a decade qualifies as a philosophy worth documenting. My entire net worth is in Fannie Mae and Freddie Mac junior preferred shares. I have written 8 books, hundreds of articles, and built this entire site to document the journey. Time will tell if this belongs here. I think it does.

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What They Have in Common

Twenty different styles. One shared DNA. These are the traits that separate the greatest investors from everyone else.

Independent Thinking

Every investor on this list reached their own conclusions. None of them relied on consensus. Buffett ignored Wall Street analysts. Soros bet against the Bank of England. Paulson shorted the entire housing market. Independent thinking is not optional — it is the prerequisite.

Patience Measured in Years

Lynch held Fannie Mae for over a decade. Sleep held Amazon for 13 years. Phelps found that the 100x returns went to those who held the longest. The greatest investors treat time as their most valuable asset, not an obstacle to overcome.

Concentrated Positions

Diversification is protection against ignorance, as Buffett says. Every great investor on this list was willing to bet big when the odds were overwhelmingly in their favor. Ackman's $27 million bet became $2.6 billion. Soros put everything on the pound trade. Conviction without concentration is just an opinion.

Continuous Learning

Buffett reads 500 pages a day. Munger's mental models span a dozen disciplines. Marks writes memos that synthesize decades of experience. Dalio codified his principles into an operating system for decision-making. The greatest investors never stop learning because markets never stop evolving.

Emotional Discipline

Graham invented Mr. Market to teach this lesson. Templeton bought at maximum pessimism. Klarman holds cash when nothing is cheap. The ability to remain rational when everyone around you is panicking — or euphoric — separates the great from the good.

Read What They Read

The greatest investors are voracious readers. Here are the books that shaped their thinking — and can shape yours.

Frequently Asked Questions

Who is the greatest investor of all time?

Warren Buffett is widely considered the greatest investor of all time based on his unmatched track record of compounding Berkshire Hathaway's book value at over 20% annually for more than 60 years. However, Jim Simons' Medallion Fund has the highest raw returns (66% annually before fees), and Peter Lynch's 29.2% annual return over 13 years at the Magellan Fund is arguably the best risk-adjusted performance by a mutual fund manager.

What do the greatest investors have in common?

The greatest investors share five key traits: independent thinking (they reach their own conclusions rather than following consensus), patience (they measure holding periods in years, not months), concentrated positions (they bet big when conviction is high), continuous learning (they read voraciously and study multiple disciplines), and emotional discipline (they remain rational during market panics and euphoria).

Who has the best investment track record in history?

Jim Simons' Medallion Fund has generated approximately 66% annual returns before fees since 1988, making it the highest-returning fund in history. However, Warren Buffett's track record is considered more remarkable because he has sustained 20%+ annual returns for over 60 years at an enormous scale, compounding from millions to nearly a trillion dollars.

What is value investing?

Value investing is an investment philosophy pioneered by Benjamin Graham that involves buying securities for less than their intrinsic value. The core principles include margin of safety (buying at a discount to protect against errors), fundamental analysis (studying financial statements and business quality), and long-term thinking (holding investments for years rather than trading frequently). Warren Buffett, Charlie Munger, Seth Klarman, and Howard Marks are all practitioners of this approach.

What books should I read to learn investing?

The essential reading list starts with Security Analysis by Benjamin Graham and David Dodd, followed by The Intelligent Investor by Graham. From there, read The Most Important Thing by Howard Marks, The Dhandho Investor by Mohnish Pabrai, 100 to 1 in the Stock Market by Thomas Phelps, and Margin of Safety by Seth Klarman (if you can find a copy). For a curated list, visit glenbradford.com/value-investing-books.

Who is the best hedge fund manager of all time?

By pure returns, Jim Simons of Renaissance Technologies is the greatest hedge fund manager ever — the Medallion Fund has averaged 66% annual returns before fees since 1988. By longevity and consistency, Stanley Druckenmiller is remarkable — 30% annual returns over 30 years with no losing years. George Soros, Ray Dalio, and Seth Klarman also have strong claims depending on the criteria used.

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