TDG Stock Summary and Trading Ideas (Transdigm Group | NYSE:TDG)

TransDigm manufactures and services a broad set of specialized parts for commercial and military aircraft. The firm organizes itself in three segments: power and control, airframes, and a small non-aviation segment, which serves mostly off-road vehicles and mining equipment. It operates as an acquisitive holding company that focuses its portfolio on firms that make proprietary aerospace products with substantial aftermarket demand. TransDigm regularly employs financial leverage to amplify its operating results.

Transdigm Group trades on the NYSE stock market under the symbol TDG.

As of December 19, 2025, TDG stock price climbed to $1,276.83 with 580,844 million shares trading.

TDG has a beta of 0.69, meaning it tends to be less sensitive to market movements. TDG has a correlation of 0.22 to the broad based SPY ETF.

TDG has a market cap of $71.95 billion. This is considered a Large Cap stock.

Last quarter Transdigm Group reported $2 billion in Revenue and $10.82 earnings per share. This beat revenue expectation by $31 million and exceeded earnings estimates by $.94.

In the last 3 years, TDG traded as high as $1,623.83 and as low as $602.35.

The top ETF exchange traded funds that TDG belongs to (by Net Assets): VTI, VOO, VO, IVV, VUG.

TDG has underperformed the market in the last year with a price return of +8.5% while the SPY ETF gained +18.1%. TDG has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -0.4% and -5.2%, respectively, while the SPY returned +2.8% and -0.5%, respectively.

TDG support price is $1,244.82 and resistance is $1,280.74 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that TDG shares will trade within this expected range on the day.