Transdigm Group is a defense company located in Ohio, United States, which is part of the Industrials sector, and is traded under the ticker TDG on the NYSE exchange.
Transdigm Group stock last closed at $1,330.13, up 1.13% from the previous day, and has decreased 0.92% in one year. It has underperformed other stocks in the Aerospace & Defense industry by 0.5 percentage points. Transdigm Group stock is currently +12.38% from its 52-week low of $1,183.60, and -18.09% from its 52-week high of $1,623.83.
At the moment, there are 56.47M TDG shares outstanding. The market cap of TDG is $75.12B. In the last 24 hours, 235,000 TDG shares were traded.
How to Buy Transdigm Group Stock
Not sure how to invest in Transdigm Group stock? Here's how.
Figure out where to buy Transdigm Group stock: You need to decide on a stock brokerage, but don't worry - we've tried dozens of stock brokerages and apps to help you determine where to buy Transdigm Group stock.
Sign up for your brokerage account: Sign up for 0% commission trading with the highest-rated brokerage we've identified.
Put funds into your brokerage account: Pick your method of payment and add your information.
Evaluate Transdigm Group stock: The Transdigm Group ticker symbol is TDG. Is Transdigm Group stock a good investment? Should you buy shares of TDG? How do TDG's underlying business fundamentals look? Do top analysts think Transdigm Group is a good buy? Why has TDG's stock price moved recently? (Hint: Our stock market analysis tools can help you understand if TDG is a good stock to buy).
Place your TDG purchase: Decide if you will purchase TDG shares at the current market price or use a limit order to purchase TDG stock at a particular price.
Monitor your TDG position: Create a watchlist to keep track of your investment in Transdigm Group shares.
Step 1: Figure out where to buy Transdigm Group stock
You will need an online brokerage account in order to access the NYSE market and buy TDG stock.
A brokerage account is an investment account that allows you to buy and sell a number of investments, including stocks, bonds, mutual funds, and ETFs.
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Step 2: Sign up for your brokerage account
Now that you've picked your brokerage, it's time to fill out some personal information so you are able to invest in TDG today.
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Step 4: Evaluate Transdigm Group stock
Once you have selected the best place to buy Transdigm Group stock, it's very important to evaluate their stock prior to buying, so you truly comprehend the risk as well as the opportunity.
Transdigm Group Numbers
TDG Price
$1,330.13
1w %
2.64%
1y %
-0.92%
5y %
121.5%
P/E
42.77x
P/B
-8.1x
P/S
8.5x
PEG
2.15x
Revenue
$9.11B
Earnings
$1.81B
Fore. Rev. Growth
8.86%
Fore. Earn. Growth
19.86%
Market Cap
$75.12B
Next Earnings
N/A
Next Dividend
N/A
Transdigm Group Due Diligence Score
WallStreetZen was designed to help average investors do better fundamental analysis.
You can see all of the due diligence checks on TDG's stock page.
What is the fair value of TDG stock?
Analysts use a variety of different financial metrics, analyses, models, and charts to gauge TDG's true value.
Using relative valuations metrics:
TDG may be undervalued based on its P/E ratio of 42.77x, relative to Aerospace & Defense industry P/E ratio of 55.78x
TDG may be overvalued based on its PEG ratio of 2.15x
You can access additional valuation analysis on TDG's stock here.
TDG Financial Health
Passed Health Checks:
There are more short-term assets than short-term liabilities on the TDG balance sheet.
Failed Health Checks:
TDG's operating cash flow of $2.12B allows it to safely service it's debt of $30.05B.
TDG profit margin has gone down from 20.2% to 19.8% in the past year.
TDG debt to equity ratio of -3.56 is negative.
TDG earnings of $4.25B is not enough to cover its interest payments.
Total TDG debt is still negative.
There are more long-term liabilities than short-term assets on the TDG balance sheet.
Is Transdigm Group stock a Buy, Hold, or Sell, according to Wall Street analysts?
Out of 9 Wall Street analysts who monitor TDG, the consensus analyst rating on TDG is a Strong Buy
It's important to note that analyst ratings are not stock recommendations, nor are they investment advice.
Most Recent TDG Analyst Forecasts
Jonathan Siegmann, a top 17% analyst from Stifel Nicolaus maintains TDG with a strong buy rating and lowers their TDG price target from $1,710.00 to $1,650.00, on Nov 13, 2025.
Michael Ciarmoli, a top 1% analyst from Truist Securities maintains TDG with a strong buy rating and lowers their TDG price target from $1,730.00 to $1,647.00, on Oct 15, 2025.
Charles Minervino, a top 3% analyst from Susquehanna maintains TDG with a hold rating and lowers their TDG price target from $1,500.00 to $1,450.00, on Oct 9, 2025.
Sheila Kahyaoglu, a top 9% analyst from Jefferies maintains TDG with a strong buy rating and lowers their TDG price target from $1,650.00 to $1,490.00, on Sep 17, 2025.
Last year, TDG earnings were $1.81B. Over the past five year, TDG's earnings have gone up by 36.89% per year. This was faster than the Aerospace & Defense industry average of 21.12%.
Last year, TDG revenue was $9.11B. In the last five year, TDG's revenue has gone up by 13.93% per year. This was faster than the Aerospace & Defense industry average of 11.47%.
No, Transdigm Group doesn't provide an income stream by paying out dividends.
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Step 5: Place your TDG purchase
You have two primary types of orders:
Market order: A market order is an order to buy or sell a security at the best available price. Market orders are generally the best for newer investors.
Limit order: A limit order lets you buy or sell a security at a specific price (or better). If you want to make sure you're buying or selling at an exact dollar amount, place a limit order.
Press the Open Trade button and your broker will place your order.
If you need additional help with buying stocks on eToro, click the how to video below:
How much does it cost to buy one Transdigm Group share?
As of Feb 19, 2026, it costs $1,330.13 to buy one share of Transdigm Group stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $100, you can buy 0.075 shares of TDG.
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.