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The Most Successful Investors of All Time

In this article, we will take a look at the Most Successful Investors of All Time. Taking into account the net worth of other investors as well, we have compiled a full free list of 15 Most Successful Investors of All Time.

According to Forbes, the world saw an increase in the number of billionaires in 2024. There now exist 141 more billionaires as compared to last year, reaching a whopping 2,781 in number. This number is even higher than the record which was set in 2021. And no, this is not all; these people are richer than ever with their cumulative worth set at $14.2 trillion, up by $2 trillion year over year as of 2023.  The most surprising thing to note here is that despite the global stock markets battling with political unrest, war, and inflation, the riches of these individuals strived and grew manifold.

Many of these billionaires are investors who have years of experience in the investment industry, who not only have built fortunes for themselves but have also enriched other investors who entrusted them with their money So what makes them so successful and stand out from other investors? While investors might not agree on a lot of things, one thing all successful investors agree on is having a strategy. It has been established that making money in the market comes with a steadfast strategy that is built around a set of rules. These rules range from Warren Buffett’s, “Do Your Research” to Bill Gross’s, “Have Conviction”.  With these ranging rules, their investment strategies differ. On the one hand, we have value investors, and on the other, quantitative investors.

Value investing is an investment strategy that involves picking stocks that appear to be trading for less than their intrinsic value (real value). Value investors actively seek stocks they think the stock market is underestimating. When it comes to value investing, there is no bigger investor than the mighty Warren Buffett, who has the biggest stake in Berkshire Hathaway – a U.S.-based conglomerate MNC (multinational corporation), which recorded a net earnings figure of staggering $12.7 billion, according to company’s 2024 1st quarter results! The biggest advice from Warren Buffett for value investing is to look at the quality of the company before evaluating its price. Any new value investor should hold on to his golden words. “It’s far better to buy a wonderful company at a fair price than a fair company at a wonderful price.” Some of the other prominent names in this investment strategy are Benjamin Graham, David Dodd, and Charlie Munger, whom we are going to discuss shortly.

Coming onto the second investment strategy, quantitative investing, uses mathematical models and algorithms to identify investment opportunities. These strategies are systematic and remove much of the emotional element from investing. Some common approaches to quantitative investment strategies include statistical arbitrage, factor investing, risk parity, machine learning, and artificial intelligence. Jim Simson, a billionaire and an investing extraordinaire, was one of the most famous and successful quantitative investors. Jim used computer algorithms to buy and sell company shares in denominations of thousands with holding periods ranging from very short to forever.

Regardless of their investment strategy, the Most Successful Investors of All Time mentioned in this article has not only navigated the complexities of the market successfully and built fortunes but have also contributed to the broader financial discourse through their writings, teachings, and operations and establishment of influential financial institution like Berkshire Hathaway (NYSE:BRK).

Methodology

To come up with the Most Successful Investor of All Time, we scoured a number of sources across the web including US News, Motley Fool, Yahoo Finance, Investopedia, and Insider Monkey to compile a comprehensive list of successful investors. We then looked up their net worth as given in Forbes. For the investors who have passed away, their latest net worth provided by Forbes has been used, even though we recognize that their net worth could have continued to grow. With this approach, we picked the investor with the highest net worth.

At Insider Monkey we are obsessed with the stocks that hedge funds pile into. The reason is simple: our research has shown that we can outperform the market by imitating the top stock picks of the best hedge funds. Our quarterly newsletter’s strategy selects 14 small-cap and large-cap stocks every quarter and has returned 275% since May 2014, beating its benchmark by 150 percentage points. (see more details here)

Is Warren Buffett the Most Successful Investor of All Time?

Net worth: $133 billion

Warren Buffet, with a net worth of whopping $133 billion, is the most successful investor of all time.

Warren Buffett, known as the Oracle of Omaha and arguably the most famous investor, learned from Benjamin Graham and also worked for him. He purchased Berkshire Hathaway (NYSE:BRK) in 1965 and went on to turn it into a holding company for his investment portfolio. Buffett has made Berkshire Hathaway (NYSE:BRK) into an industrial powerhouse holding insurance, energy, and industrial companies.

With this, he has established his own investing strategy which is value investing. This strategy has produced extraordinary returns over the past many years. Since 1965, Berkshire Hathaway has produced an average annual return of 20%, which is almost double the performance of the S&P 500 during the same period, according to Motley Fool.

You can see the full free list by going to 15 Most Successful Investors of All Time.

If you are looking for an AI stock that is as promising as Microsoft but that trades at less than 5 times its earnings, check out our report about the cheapest AI stock.

READ NEXT: 15 Money Mistakes to Avoid in Your 30s and 20 Biggest Financial Mistakes That Young Adults Make.

Disclosure: None. This article is originally published at Insider Monkey.

AI, Tariffs, Nuclear Power: One Undervalued Stock Connects ALL the Dots (Before It Explodes!)

Artificial intelligence is the greatest investment opportunity of our lifetime. The time to invest in groundbreaking AI is now, and this stock is a steal!

AI is eating the world—and the machines behind it are ravenous.

Each ChatGPT query, each model update, each robotic breakthrough consumes massive amounts of energy. In fact, AI is already pushing global power grids to the brink.

Wall Street is pouring hundreds of billions into artificial intelligence—training smarter chatbots, automating industries, and building the digital future. But there’s one urgent question few are asking:

Where will all of that energy come from?

AI is the most electricity-hungry technology ever invented. Each data center powering large language models like ChatGPT consumes as much energy as a small city. And it’s about to get worse.

Even Sam Altman, the founder of OpenAI, issued a stark warning:

“The future of AI depends on an energy breakthrough.”

Elon Musk was even more blunt:

“AI will run out of electricity by next year.”

As the world chases faster, smarter machines, a hidden crisis is emerging behind the scenes. Power grids are strained. Electricity prices are rising. Utilities are scrambling to expand capacity.

And that’s where the real opportunity lies…

One little-known company—almost entirely overlooked by most AI investors—could be the ultimate backdoor play. It’s not a chipmaker. It’s not a cloud platform. But it might be the most important AI stock in the US owns critical energy infrastructure assets positioned to feed the coming AI energy spike.

As demand from AI data centers explodes, this company is gearing up to profit from the most valuable commodity in the digital age: electricity.

The “Toll Booth” Operator of the AI Energy Boom

  • It owns critical nuclear energy infrastructure assets, positioning it at the heart of America’s next-generation power strategy.
  • It’s one of the only global companies capable of executing large-scale, complex EPC (engineering, procurement, and construction) projects across oil, gas, renewable fuels, and industrial infrastructure.
  • It plays a pivotal role in U.S. LNG exportation—a sector about to explode under President Trump’s renewed “America First” energy doctrine.

Trump has made it clear: Europe and U.S. allies must buy American LNG.

And our company sits in the toll booth—collecting fees on every drop exported.

But that’s not all…

As Trump’s proposed tariffs push American manufacturers to bring their operations back home, this company will be first in line to rebuild, retrofit, and reengineer those facilities.

AI. Energy. Tariffs. Onshoring. This One Company Ties It All Together.

While the world is distracted by flashy AI tickers, a few smart investors are quietly scooping up shares of the one company powering it all from behind the scenes.

AI needs energy. Energy needs infrastructure.

And infrastructure needs a builder with experience, scale, and execution.

This company has its finger in every pie—and Wall Street is just starting to notice.

Wall Street is noticing this company also because it is quietly riding all of these tailwinds—without the sky-high valuation.

While most energy and utility firms are buried under mountains of debt and coughing up hefty interest payments just to appease bondholders…

This company is completely debt-free.

In fact, it’s sitting on a war chest of cash—equal to nearly one-third of its entire market cap.

It also owns a huge equity stake in another red-hot AI play, giving investors indirect exposure to multiple AI growth engines without paying a premium.

And here’s what the smart money has started whispering…

The Hedge Fund Secret That’s Starting to Leak Out

This stock is so off-the-radar, so absurdly undervalued, that some of the most secretive hedge fund managers in the world have begun pitching it at closed-door investment summits.

They’re sharing it quietly, away from the cameras, to rooms full of ultra-wealthy clients.

Why? Because excluding cash and investments, this company is trading at less than 7 times earnings.

And that’s for a business tied to:

  • The AI infrastructure supercycle
  • The onshoring boom driven by Trump-era tariffs
  • A surge in U.S. LNG exports
  • And a unique footprint in nuclear energy—the future of clean, reliable power

You simply won’t find another AI and energy stock this cheap… with this much upside.

This isn’t a hype stock. It’s not riding on hope.

It’s delivering real cash flows, owns critical infrastructure, and holds stakes in other major growth stories.

This is your chance to get in before the rockets take off!

Disruption is the New Name of the Game: Let’s face it, complacency breeds stagnation.

AI is the ultimate disruptor, and it’s shaking the foundations of traditional industries.

The companies that embrace AI will thrive, while the dinosaurs clinging to outdated methods will be left in the dust.

As an investor, you want to be on the side of the winners, and AI is the winning ticket.

The Talent Pool is Overflowing: The world’s brightest minds are flocking to AI.

From computer scientists to mathematicians, the next generation of innovators is pouring its energy into this field.

This influx of talent guarantees a constant stream of groundbreaking ideas and rapid advancements.

By investing in AI, you’re essentially backing the future.

The future is powered by artificial intelligence, and the time to invest is NOW.

Don’t be a spectator in this technological revolution.

Dive into the AI gold rush and watch your portfolio soar alongside the brightest minds of our generation.

This isn’t just about making money – it’s about being part of the future.

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A New Dawn is Coming to U.S. Stocks

I work for one of the largest independent financial publishers in the world – representing over 1 million people in 148 countries.

We’re independently funding today’s broadcast to address something on the mind of every investor in America right now…

Should I put my money in Artificial Intelligence?

Here to answer that for us… and give away his No. 1 free AI recommendation… is 50-year Wall Street titan, Marc Chaikin.

Marc’s been a trader, stockbroker, and analyst. He was the head of the options department at a major brokerage firm and is a sought-after expert for CNBC, Fox Business, Barron’s, and Yahoo! Finance…

But what Marc’s most known for is his award-winning stock-rating system. Which determines whether a stock could shoot sky-high in the next three to six months… or come crashing down.

That’s why Marc’s work appears in every Bloomberg and Reuters terminal on the planet…

And is still used by hundreds of banks, hedge funds, and brokerages to track the billions of dollars flowing in and out of stocks each day.

He’s used this system to survive nine bear markets… create three new indices for the Nasdaq… and even predict the brutal bear market of 2022, 90 days in advance.

Click to continue reading…