TransDigm Group Incorporated (TDG) Stock Valuation — PE Analysis
Aerospace & Defense · NYSE
Current Price
$1136.53
PE Ratio (TTM)
34.3x
Intrinsic Value
$1,187.42
+4.3% margin of safety
COMPETITIVE MOAT
↑Proprietary Product Portfolio
TransDigm holds a vast portfolio of highly specialized, proprietary aerospace parts. Many of these products have no direct substitutes, creating significant barriers to entry for competitors.
↑Long-Term Customer Relationships
The company cultivates deep relationships with major aerospace manufacturers and defense contractors. These established partnerships often lead to long-term supply agreements and repeat business.
↑Acquisition Expertise
TransDigm's proven ability to identify, acquire, and integrate underperforming or niche aerospace businesses allows it to expand its product lines and market share efficiently.
INVESTMENT RISKS
↓Integration Challenges
While acquisitions are a strength, integrating new businesses can be complex. Failure to effectively integrate Prince & Izant or future acquisitions could hinder growth and profitability.
↓Supply Chain Disruptions
The aerospace industry relies on complex global supply chains. Geopolitical events, natural disasters, or supplier issues could disrupt production and impact TransDigm's ability to deliver.
↓Technological Obsolescence
While many of its parts are for legacy platforms, the aerospace industry is evolving. A failure to adapt to new technologies or materials could eventually make some of its products less relevant.
Base case
TDG base case PE valuation
At a current price of $1,136.53, the base case PE valuation puts TDG fair value near $1,187.42 per share. That figure assumes 7.5% yearly earnings growth, a target PE multiple of 30.92x, and a 10% discount rate.
Intrinsic Value
$1,187.42
Margin of safety
+4.3%
Expected annual return
+0.9%
Base case assumptions: 7.5% annual earnings growth, 30.92x target PE, 10% discount rate, 5 year projection. Data as of 2026-10-28.
This base case uses default assumptions and is not financial advice. The fair value changes significantly when the target PE or earnings growth rate changes. Open the calculator to set your own assumptions and see the full sensitivity range.
Customize the TDG PE valuation
Adjust the target PE, earnings growth, and discount rate to see how the fair value and margin of safety for TransDigm Group Incorporated respond.
Open PE Calculator for TDGCompany Overview
TransDigm Group Incorporated is a global aerospace enterprise specializing in the development, manufacturing, and distribution of a wide array of aircraft components. Operating across the United States and internationally, its business is structured around three distinct divisions. The Power & Control division focuses on critical systems, providing solutions such as electromechanical actuators and control mechanisms, engine ignition and related technologies, precision pumps and valves, power regulation equipment, specialized electric motors and generators, energy storage units, data communication and power management systems, diverse sensors, switching gear, and material handling equipment including hoists and cargo systems. This segment caters to a broad clientele, including engine and power system manufacturers, airlines, independent maintenance providers, governmental defense agencies, and aircraft repair facilities. The Airframe segment delivers structural and interior components. Its offerings encompass custom latching and locking mechanisms, structural rods and connectors, resilient sealing solutions, cockpit safety and display units, advanced audio, radio, and antenna technologies, restroom facilities, passenger safety restraints, bespoke interior panels and associated parts, thermal management and insulation products, illumination and control systems, and parachutes. Its customer base includes airframe constructors, cabin system integrators, commercial airlines, third-party maintenance organizations, military procurement offices, and overhaul centers. Beyond aviation, the Non-Aviation segment addresses diverse industrial needs. It supplies safety harnesses for ground vehicles, electromechanical actuators for space vehicles, hydraulic and electromechanical actuators and fuel valves for terrestrial gas turbines, specialized refueling systems for heavy machinery in sectors like mining and construction, and sophisticated turbine controls for the energy and petrochemical industries. This segment's clients span suppliers of off-road vehicles and their subsystems, manufacturers of child safety seats, providers of satellite and space systems, and producers of heavy industrial equipment. Established in 1993, TransDigm Group Incorporated maintains its headquarters in Cleveland, Ohio.
Financial Metrics — TDG PE Stock Valuation Data
PE Ratio (TTM)
34.3x
PEG Ratio
3.64
Earnings Yield
3.23%
ROE (TTM)
-22.3%
Revenue/Share (TTM)
$174.34
Debt/Equity
n/m
Frequently Asked Questions
What is the PE ratio of TDG?
The trailing twelve-month PE ratio of TDG reflects how much investors pay per dollar of TransDigm Group Incorporated's earnings. This metric is most useful when compared to Aerospace & Defense peers and the company's own historical range.
Is TDG overvalued based on PE ratio?
TDG's PE of 34.3x combined with a PEG ratio of 3.64 provides a growth-adjusted perspective. A PEG above 2.0 means the P/E is high relative to the earnings growth rate. Keep in mind that PE-based valuation works best for profitable, mature companies — for high-growth or cyclical Aerospace & Defense, a DCF analysis may be more appropriate.
How do I value TDG stock using PE ratio?
To value TransDigm Group Incorporated using PE: (1) Compare the current PE (34.3x) against the Aerospace & Defense median to assess relative pricing, (2) check the PEG ratio (3.64) to adjust for growth expectations, (3) review the 5-year PE range to identify where the stock sits historically, and (4) estimate fair value by multiplying a target PE by forward EPS estimates. This relative approach complements DCF's absolute valuation.
What is the PEG ratio of TDG?
TDG's PEG ratio is 3.64, calculated by dividing the PE ratio (34.3x) by the expected earnings growth rate. A PEG above 2.0 means the P/E is high relative to the expected earnings growth rate. Note that PEG accuracy depends on the reliability of growth estimates.
Should I use PE ratio or DCF for TDG stock valuation?
PE ratio gives a quick relative read — how TDG is priced versus Aerospace & Defense peers. DCF provides an absolute value based on projected free cash flows. For the most reliable valuation, use PE as a quick comparability screen and DCF for a deeper fundamental analysis. Each method has blind spots: PE ignores capital structure and cash flow quality, while DCF is sensitive to growth and discount rate assumptions.
Learn More
- See TDG DCF Valuation → — Intrinsic value via Discounted Cash Flow analysis
- PE Methodology — Step-by-step guide to PE ratio stock valuation
- DCF Methodology — Guide to discounted cash flow analysis
- PE Ratio — Understanding the price-to-earnings ratio
- Intrinsic Value — How to evaluate stock fair value
Related PE Valuations
All Industrials valuationsP/E and DCF value TDG with different methods and assumptions, so the two conclusions can differ. Compare the DCF intrinsic value.
Price as of 2026-10-28. Financial data from Financial Modeling Prep (trailing twelve months) · Valuation methodology by Charlie Wang.
This is an estimate, not investment advice.