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Ackman Remains the Largest Institutional Shareholder of Seaport Entertainment Group Inc. (SEG)

Seaport Entertainment Group Inc. (NYSE:SEG) is included in our list of the 9 best stocks to buy according to billionaire Bill Ackman, representing 0.64% of the total portfolio.

To maintain exposure to the entertainment and real estate-focused business, Bill Ackman’s hedge fund retains its stake in Seaport Entertainment Group Inc. (NYSE:SEG). Accounting for roughly 40% of the stock’s total institutional investment, Ackman remains the largest institutional shareholder.

Reinforcing the fund’s optimism, the stock has recorded a year-to-date (YTD) gain of over 15% as of March 5, 2026, outperforming its peers. Meanwhile, the Real Estate Services industry has noted a decline of over 16% so far in 2026.

As of the end of Q4 2025, Ackman’s holdings of more than 5.02 million shares through Pershing Square Capital Management remain unchanged in comparison to the previous quarter, with the stake totaling more than $99 million.

Over the course of the quarter, interest from other hedge funds grew. While the total value of their stakes decreased from roughly $150.87 million to $135.42 million, the number of funds bullish on Seaport increased from 8 to 12. Meanwhile, there have been no reports of significant insider activity surrounding Seaport Entertainment Group Inc. (NYSE:SEG).

The overall sentiment holds as Seaport Entertainment Group Inc. (NYSE:SEG) works to bring the internationally renowned Balloon Museum to the Seaport in summer 2026. Announcing on February 23, 2026, the company plans to turn the Tin Building property into a major interactive exhibition space (Balloon Museum), in collaboration with Lux Entertainment. With this move, the company aims to accelerate the development of immersive, experience-driven attractions to boost foot traffic and diversify revenue streams.

Seaport Entertainment Group Inc. (NYSE:SEG) owns, operates, and develops assets, hospitality venues, and sponsorship-driven entertainment properties, including sports, events, and mixed-use real estate platforms, establishing itself as an integrated experience real estate and leisure operator.

While we acknowledge the potential of SEG to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than SEG and that has 100x upside potential, check out our report about this cheapest AI stock.

READ NEXT: 12 Best Beaten Down Technology Stocks to Buy According to Wall Street Analysts and 7 Most Volatile Stocks Under $5 for Day Trading.

Disclosure: None.  Follow Insider Monkey on Google News.

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.

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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

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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.

This pattern is a hallmark of our 16.5% annual return track record. The current opportunity offers a 400% upside potential—dwarfing even our 90% BTI return.

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