10 Best Mid Cap Stocks to Buy According to Billionaires

1. Triumph Group, Inc. (NYSE:TGI)

Number of Billionaire Holdings: 12

Triumph Group, Inc. (NYSE:TGI) tops our list for being one of the best mid-cap stocks. It is an aerospace company specializing in designing, manufacturing, repairing, and overhauling components for commercial, military, and regional aircraft. It also supports critical defense programs with precision-engineered parts.

In early 2025, Triumph Group, Inc. (NYSE:TGI) agreed to be acquired by private equity firms Warburg Pincus and Berkshire Partners for about $3 billion, transitioning to a privately held company. Shareholders will receive $26 per share, a notable premium over recent prices.

For fiscal 2025, the company reported $1.26 billion in net sales, up 6% year-over-year, with an operating income of $139.4 million and an 11% margin. The fourth quarter showed strong results with a 16% operating margin, driven by solid performance in both commercial and defense segments.

The business’s defense role has expanded through a strategic supplier agreement with BAE Systems and the U.S. Army for the M777 Lightweight Howitzer. Since 2022, it has shipped over 2,365 critical Primer Feed Mechanism components, with nearly 1,000 more units on order, highlighting its trusted position in military supply chains.

The company also achieved its eleventh consecutive quarter of year-over-year sales growth, fueled by its aftermarket products that extend the lifecycle of aerospace and defense equipment.

Triumph Group, Inc. (NYSE:TGI)’s growing focus on defense programs, especially the M777 Howitzer platform, positions it for stable revenues and growth amid sustained defense budgets and modernization efforts. Its commitment to quality and reliability in defense components reinforces its status as a key supplier to military clients.

While we acknowledge the potential of TGI 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 TGI and that has 100x upside potential, check out our report about this cheapest AI stock.

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