TDG — TransDigm Group · catalysts, narrative & risks

Snapshot (as of ~October 16, 2026)

TransDigm Group (NYSE: TDG) is a Cleveland-based aerospace components maker in the Industrials / Aerospace & Defense space, trading around $1,138–1,144 with a market cap of roughly $62–63 billion and a 52-week range of $1,071.25–$1,463.03 [8][13][19][20]. It designs, produces and supplies proprietary, typically sole-source aircraft components (pumps, valves, actuators, ignition systems, cockpit controls, fasteners, etc.) for commercial and military aircraft, with a large aftermarket component to its revenue [8][16][19][20].