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Mark Cuban Stock Portfolio: 8 Best Stocks to Buy

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In this article, we discuss the Mark Cuban Stock Portfolio: 8 Best Stocks to Buy.

Mark Cuban is a billionaire entrepreneur, investor, and television personality whose career reflects the rags-to-riches trajectory of the American dream. Born into a working-class family in Pittsburgh, Pennsylvania, Cuban displayed an early hustle by working as a bartender and software salesman before founding his first company, MicroSolutions, which he sold to CompuServe in 1990 for $6 million. This set the stage for his most famous windfall: the sale of Broadcast.com to Yahoo! in 1999 for $5.7 billion at the height of the dot-com bubble. Following this massive exit, Cuban became a household name through high-profile investments and his long-running role as a shark on the Emmy-winning reality show Shark Tank. He is perhaps most publicly recognized for his ownership of the NBA team Dallas Mavericks.

READ MORE: 15 Under-the-Radar Picks from David Einhorn That Are Quietly Dominating 2026.

After purchasing the team in 2000 for $285 million, he transformed the franchise into a perennial winner, culminating in a 2011 NBA Championship. Although he sold his majority stake in late 2023 for around $3.5 billion, he remains a minority owner and a vocal fixture at games. In recent years, Cuban has shifted focus toward practical disruption and emerging technologies. His most significant current venture is the Mark Cuban Cost Plus Drug Company, a public benefit corporation dedicated to lowering prescription drug prices. By prioritizing transparency and sweat equity over traditional corporate structures, Cuban continues to position himself as a contrarian innovator dedicated to solving large-scale social and economic problems.

Our Methodology

It is important to clarify that the stocks listed below were picked from the public comments that Cuban has made on his investments. He has explicitly mentioned some of his private holdings during these public appearances while only alluding to others. However, based on a careful assessment of the comments, the stocks listed below largely align with his investment philosophy. Data for the hedge fund sentiment surrounding each stock was taken from Insider Monkey’s Q4 2025 database of 1041 elite hedge funds.

Why are we interested in 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 498.7% since May 2014, beating its benchmark by 303 percentage points (see more details here).

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Mark Cuban Stock Portfolio: Best Stocks to Buy

8. Reading International, Inc. (NASDAQ:RDI)

Per filings from 2022, Mark Cuban was a shareholder of Reading International, Inc. (NASDAQ:RDI), a global cinema and real estate company. While he was verified through SEC filings as a 10% owner of the voting Class B shares, he has been famously quiet regarding his specific investment thesis for the company. Reading focuses on the ownership, development, and operation of entertainment and real property assets in the United States, Australia, and New Zealand. The company operates cinemas, and develops, rents, or licenses retail, commercial, and live theater assets.

READ ALSO: Lone Pine’s Non-AI Strategy Falters: 10 Non-AI Stocks Weighing Down Stephen Mandel’s 2026 Returns.

In late March, Reading International, Inc. (NASDAQ:RDI) posted earnings for the fourth quarter of 2025, reporting losses per share of $0.11, against estimates of losses per share of $0.10. The losses per share for FY25 improved to $0.62 from $1.58 in FY24. The revenue over the fourth quarter was $50.3 million, down more than 14% compared to the revenue over the same period last year. FY25 revenue stood at $203 million, against $210.5 million in FY24. The net loss for the fourth quarter widened to $2.6 million from $2.2 million. However, the FY25 net loss improved significantly to $14.1 million from $35.3 million in FY24. Adjusted EBITDA for the fourth quarter decreased to $5.1 million from $6.8 million in Q4 FY24, while FY25 adjusted EBITDA surged to $17.8 million from $2.1 million.

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The $250 Trillion AI Hype is Real. A few years from now, you’ll probably wish you’d bought this stock.

Dr. Inan Dogan

Dr. Ian Dogan

Co-Founder and Research Director at Insider Monkey

When Jeff Bezos said that one breakthrough technology would shape Amazon’s destiny, even Wall Street’s biggest analysts were caught off guard.

Fast forward a year and Amazon’s new CEO Andy Jassy described generative AI as a “once-in-a-lifetime” technology that is already being used across Amazon to reinvent customer experiences.

At the 8th Future Investment Initiative conference, Elon Musk predicted that by 2040 there would be at least 10 billion humanoid robots, with each priced between $20,000 and $25,000.

Do the math. According to Musk, this technology could be worth $250 trillion by 2040.

Put another way, that’s roughly equal to:

  • 175 Teslas
  • 107 Amazons
  • 140 Metas
  • 84 Googles
  • 65 Microsofts
  • And 55 Nvidias

And here’s the wild part — this $250 trillion wave isn’t tied to one company, but to an entire ecosystem of AI innovators set to reshape the global economy.

It’s a leap so massive, it could reshape how businesses, governments, and consumers operate worldwide.

Even if that $250 trillion figure sounds ambitious, major firms like PwC and McKinsey still see AI unlocking multi-trillion-dollar potential.

How could anything be worth that much?

The answer lies in a breakthrough so powerful it’s redefining how humanity works, learns, and creates.

And this breakthrough has already set off a frenzy among hedge funds and Wall Street’s top investors.

What most investors don’t realize is that one under-owned company holds the key to this $250 trillion revolution.

In fact, Verge argues this company’s supercheap AI technology should concern rivals.

Before I reveal the details, let’s talk about how some of the richest people on the planet are positioning themselves.

  • Bill Gates sees artificial intelligence as the “biggest technological advance in my lifetime,” more transformative than the internet or personal computer, capable of improving healthcare, education, and addressing climate change.
  • Larry Ellison — through Oracle, is spending billions on Nvidia chips and partnering with Cohere to embed generative AI across Oracle’s cloud and apps.
  • Warren Buffett — not known for tech hype — says this breakthrough could have a ‘hugely beneficial social impact.

When billionaires from Silicon Valley to Wall Street line up behind the same idea — you know it’s worth paying attention to.

Even as we admire what Tesla, Nvidia, Alphabet, and Microsoft have built, we believe an even greater opportunity lies elsewhere…

But the real story isn’t Nvidia — it’s a much smaller company quietly improving the critical technology that makes this entire revolution possible.

And judging by what I’m hearing from both Silicon Valley insiders and Wall Street veterans…

This prediction might not be bold at all:

A few years from now, you’ll wish you’d owned this stock.

The best part? You can discover everything about this company and its groundbreaking technology right now.

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Wall Street calls this $3 stock a “Melting Ice Cube.” They said the same thing about BTI before it returned 90%.

Dr. Inan Dogan

Dr. Ian Dogan

Co-Founder and Research Director at Insider Monkey

My name is Inan Dogan. I’m the co-founder and Research Director of Insider Monkey. I have an important message for you today.

Since March 2017, my stock picks have returned 16.5% annually. Today, I’ve found an opportunity even bigger than my British American Tobacco call.

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We looked under the cover and realized they were wrong.

We alerted our subscribers, and BTI returned 90% in just 16 months.

Now if you had invested just $10,000 in BTI in June 2024, you’d be sitting on $19,000 in October 2025.

Today, we have identified a nearly identical pattern in a digital-first giant trading at $3.

While the market panics over a surface-level revenue decline, our PhD-led research shows management has actually surgically cut $100 million in waste to focus on high-margin growth.

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1. Head over to our website and subscribe to our Premium Readership Newsletter for just $0.99.

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3. Sit back, relax, and know that you’re backed by our ironclad 30-day money-back guarantee.

Don’t miss out on this incredible opportunity! Subscribe now and take control of your AI investment future!

Regular price $9.99/mo. Cancel anytime.