Transdigm Group (TDG) vs Tetra Tech (TTEK)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Tetra Tech (TTEK) has outperformed Transdigm Group (TDG) over the past year, losing 4.1% versus a loss of 15.3%. Over five years, TDG leads with a +70.3% price change compared with +3.1% for TTEK. Transdigm Group is the larger company by market cap ($60.21 billion vs $8.55 billion), about 7.0 times the size.
On valuation, Tetra Tech trades at a lower forward P/E (19.2x vs 22.5x for Transdigm Group). Tetra Tech pays a dividend yielding 0.80%, while Transdigm Group does not currently pay one. Transdigm Group converts more of its revenue into profit, with a net margin of 23.5% versus 4.6%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | TDG | TTEK |
|---|---|---|
| Share price | $1,089.30 | $33.41 |
| Market cap | $60.21B | $8.55B |
| 1-day change | -0.63% | +2.11% |
| YTD return | -18.09% | -0.39% |
| 1-year return | -15.29% | -4.10% |
| 5-year return | +70.34% | +3.07% |
| P/E ratio (TTM) | 33.04 | 20.13 |
| Forward P/E | 22.49 | 19.23 |
| EPS (TTM) | $32.97 | $1.66 |
| Dividend yield | 0.00% | 0.80% |
| Annual dividend | $0.00 | $0.267 |
| Revenue (latest FY) | $8.83B | $5.44B |
| Revenue growth (YoY) | +11.22% | +4.69% |
| Net income (latest FY) | $2.07B | $247.95M |
| Gross margin | 60.14% | 17.66% |
| Operating margin | 47.16% | 7.50% |
| Net margin | 23.49% | 4.56% |
| 52-week high | $1,463.03 | $43.14 |
| 52-week low | $1,071.25 | $25.81 |
| Distance from 52-week high | -25.54% | -22.55% |
| Analyst consensus | buy | none |
| Avg. price target upside | +35.46% | +20.71% |
| Average volume | 395.56K | 2.50M |
| Shares outstanding | 55.28M | 256.04M |
| Employees | 16,500 | 25,000 |
| Sector | Industrials | Consumer Discretionary |
| Industry | Military/Government/Technical | Military/Government/Technical |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Transdigm Group is about 7.0 times larger than Tetra Tech by market value ($60.21B vs $8.55B).
- TTEK has outperformed TDG by 11.2 percentage points over the past year.
- Transdigm Group trades at a higher earnings multiple (33.0x vs 20.1x trailing P/E).
- Transdigm Group is more profitable, keeping 23.5 cents of every revenue dollar as net income versus 4.6 cents for Tetra Tech.
- Transdigm Group grew revenue faster in its latest fiscal year (+11.22% vs +4.69%).
- The two companies sit in different sectors: Transdigm Group in Industrials and Tetra Tech in Consumer Discretionary.
About Transdigm Group
TDG stock →TransDigm Group Incorporated designs, produces, and supplies aircraft components in the United States and internationally. The Power & Control segment offers mechanical/electro-mechanical actuators and controls, ignition systems and engine technology, specialized pumps and valves, power conditioning devices, specialized AC/DC electric motors and generators, batteries and chargers, databus and power controls, sensor products, switches and relay panels, hoists, winches and lifting devices, cargo loading and handling systems, delivery systems, and electronic components.
Industrials · Military/Government/Technical · 16,500 employees
About Tetra Tech
TTEK stock →Tetra Tech, Inc. provides consulting and engineering services focusing on water, environment, and sustainable infrastructure in the United States and internationally.
Consumer Discretionary · Military/Government/Technical · 25,000 employees
TDG vs TTEK FAQ
Which is bigger, Transdigm Group or Tetra Tech?
Transdigm Group (TDG) is larger, with a market capitalization of $60.21B compared with $8.55B for Tetra Tech (TTEK).
Which stock has performed better over the past year, TDG or TTEK?
TTEK returned -4.10% over the past 12 months, compared with -15.29% for TDG (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, TDG or TTEK?
TTEK has the lower trailing P/E at 20.1, versus 33.0 for TDG. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Transdigm Group or Tetra Tech?
Tetra Tech pays a dividend yielding 0.80%, while Transdigm Group does not currently pay a regular dividend.
Are Transdigm Group and Tetra Tech in the same industry?
Yes. Both are classified in the Military/Government/Technical industry within the Industrials sector.