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Valued at $79.6 billion by market cap, Cleveland, Ohio-based TransDigm Group Incorporated (TDG) operates as a leading designer, producer, and supplier of aircraft components in the United States and internationally.
The aerospace and defense giant has notably underperformed the broader market over the past year. TDG stock prices have gained 5.2% over the past 52 weeks and 10.1% on a YTD basis, compared to the S&P 500 Index’s ($SPX) 15.2% returns over the past year and 10.2% surge in 2025.
