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.

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

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.

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