APH
TechnologyAmphenol Corporation · Hardware, Equipment & Parts · $162B
What is Amphenol Corporation?
Amphenol Corporation is one of the world's largest designers and manufacturers of electrical, electronic, and fiber optic connectors. Founded in 1932 and headquartered in Wallingford, Connecticut, the company serves a remarkably broad range of industries globally.
Amphenol operates through three segments — Harsh Environment Solutions, Communications Solutions, and Interconnect and Sensor Systems. The company designs connectors and interconnect systems used in everything from military hardware and commercial aircraft to data centers and mobile devices. Revenue flows from selling directly to original equipment manufacturers, electronic manufacturing services companies, and distributors worldwide. Its broad end-market exposure gives it a diversified revenue base that spans automotive, broadband, industrial, and information technology sectors.
Amphenol was founded in 1932 and is headquartered in Wallingford, Connecticut, United States.
- Harsh environment and high-speed data connectors
- Fiber optic and radio frequency interconnect products
- Cable assemblies, harnesses, and backplane systems
- Antennas for consumer devices and network infrastructure
- Sensors and sensor-based products for industrial use
Is APH a Good Stock to Buy?
UQS Score rates APH as Good overall, reflecting a balanced profile with a standout Growth pillar.
Amphenol's Growth pillar is rated Strong, reflecting consistent expansion across its diversified end markets. The Risk pillar earns a Good rating, suggesting the business carries manageable financial and operational risk relative to sector peers.
The Quality, Moat, and Valuation pillars all sit at Neutral, meaning the stock does not currently offer a clear margin-of-safety advantage or a deeply entrenched competitive position by UQS measures.
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Past performance does not guarantee future results. UQS Score is based on fundamental data and is not a buy/sell recommendation.
Does APH pay dividends?
Yes — Amphenol Corporation pays a dividend.
Amphenol pays a regular dividend, which is relatively uncommon among high-growth technology hardware companies. The dividend reflects the company's ability to generate consistent cash flow while still investing in growth. Income-oriented investors may find this combination of growth and income distribution appealing, though the yield is modest relative to traditional dividend sectors.
When does APH report earnings?
Amphenol reports earnings on a quarterly cadence, typical for US-listed large-cap equities.
The company has demonstrated consistent revenue expansion across its three operating segments, driven by demand in data communications, automotive electrification, and defense markets. Growth has remained broad-based rather than concentrated in a single end market.
For the most recent quarter's results and guidance, visit Amphenol's official investor relations page.
APH Price History
+373.2% over 5Y
Monthly close, adjusted for stock splits and dividend reinvestment.
What if I invested in Amphenol Corporation?
Based on Amphenol Corporation's historical closing prices, adjusted for stock splits and dividend reinvestment. Past performance does not guarantee future results. This is for informational purposes only and is not financial advice.
APH Long-term Outlook
Amphenol's Strong Growth pillar and Good Risk rating suggest a fundamental outlook anchored by durable demand trends across multiple industries. The company's exposure to secular themes — including data center buildout, vehicle electrification, and defense modernization — provides multiple potential growth vectors. However, the Neutral Valuation pillar indicates the market has already priced in a meaningful portion of this optimism, leaving less room for upside surprise.
Growth drivers
- Rising demand for high-speed interconnects in AI and data center infrastructure
- Automotive electrification driving connector content per vehicle higher
- Defense and aerospace spending supporting the Harsh Environment Solutions segment
Key risks
- Neutral valuation leaves limited buffer if growth disappoints
- Broad end-market exposure creates sensitivity to global industrial cycles
- Competitive pricing pressure from large connector and component rivals
APH vs Peers
Amphenol competes across interconnect, cable, and sensor markets with several large technology hardware companies.
Corning focuses heavily on specialty glass and optical fiber, giving it a distinct materials-science edge compared to Amphenol's broader connector portfolio.
Sandisk operates primarily in flash storage rather than interconnects, making it a peripheral competitor in the broader electronics components landscape.
TE Connectivity is Amphenol's closest direct rival, offering a similarly broad connector and sensor portfolio across industrial, automotive, and communications markets.
Frequently Asked Questions
What does Amphenol do?
Amphenol designs and manufactures electrical, electronic, and fiber optic connectors used across automotive, aerospace, defense, data communications, and mobile device markets. It operates three segments: Harsh Environment Solutions, Communications Solutions, and Interconnect and Sensor Systems. Products range from cable assemblies to antennas and industrial sensors.
Does APH pay dividends?
Yes, Amphenol pays a regular dividend. This is notable for a technology hardware company that also invests heavily in growth. The dividend reflects steady cash generation, though the yield is modest compared to traditional income sectors. Check Amphenol's investor relations page for the current dividend rate.
When does APH report earnings?
Amphenol reports on a quarterly cadence, consistent with US large-cap listing standards. The company typically provides revenue and segment-level commentary alongside results. For the exact schedule of upcoming earnings releases, refer to Amphenol's investor relations page.
Is APH a good stock to buy?
UQS Score rates APH as Good overall. The Growth pillar is Strong and the Risk pillar is Good, but Quality, Moat, and Valuation are all Neutral. Whether it fits your portfolio depends on your goals and risk tolerance. The full pillar breakdown is available to UQS Pro members.
Is APH overvalued?
The UQS Valuation pillar for APH is rated Neutral, meaning the stock is neither clearly cheap nor obviously expensive relative to its fundamentals. The market appears to have priced in the company's growth prospects, leaving limited valuation cushion. Pro members can view the detailed valuation metrics behind this rating.
How does APH compare to its competitors?
Among its closest peers, TE Connectivity offers the most direct product overlap in connectors and sensors. Corning competes in optical fiber but focuses more on specialty materials. Amphenol's broad end-market diversification — spanning defense, automotive, and data communications — is a distinguishing characteristic versus more narrowly focused rivals.
What is APH's market cap bracket?
Amphenol is classified as a large-cap company, reflecting its scale as one of the world's leading connector manufacturers. Large-cap status generally implies greater liquidity and institutional coverage compared to mid- or small-cap peers in the technology hardware space.
Who founded Amphenol?
Amphenol was founded in 1932, originally as a manufacturer of vacuum tube sockets. The company's founding history and early leadership are well documented in publicly available corporate histories and its official investor relations materials.
Is APH a long-term quality stock?
As a long-term quality indicator, APH's UQS profile shows a Strong Growth pillar and Good Risk rating — both favorable signals for durability. The Neutral Moat and Quality ratings suggest the business is solid but may not carry the deepest competitive advantages seen among the highest-rated names in the sector. Full details are available to Pro members.
What is the main competitive advantage of Amphenol?
Amphenol's primary edge lies in its breadth — thousands of connector and sensor products sold across more than a dozen end markets globally. This diversification reduces dependence on any single industry cycle. Its long-standing relationships with original equipment manufacturers across defense, automotive, and data communications also create meaningful switching costs.
What sector does APH belong to?
Amphenol is classified in the Technology sector, specifically within electronic components and hardware. It serves as a critical supplier to many of the world's largest technology, automotive, and defense companies, making it a foundational link in global electronics supply chains.
Is APH a growth stock or value stock?
Based on UQS pillar labels, APH leans toward growth — its Growth pillar is rated Strong while Valuation is Neutral, meaning it is not priced as a deep-value opportunity. Investors drawn to consistent revenue expansion across multiple end markets may find the growth profile more compelling than the valuation entry point.
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Pro Analysis
APH — Score History
| Date | UQS | Quality | Moat | Growth | Risk | Value | Change |
|---|---|---|---|---|---|---|---|
| May 23, 2026 | 58.1 | 54.3 | 45.0 | 87.8 | 38.5 | 66.1 | -0.2 |
| May 22, 2026 | 58.3 | 54.3 | 45.0 | 87.8 | 38.5 | 67.7 | -0.1 |
| May 21, 2026 | 58.4 | 54.3 | 45.0 | 87.8 | 38.5 | 68.2 | -0.1 |
| May 20, 2026 | 58.5 | 54.3 | 45.0 | 87.8 | 38.5 | 69.1 | +0.3 |
| May 19, 2026 | 58.2 | 54.1 | 45.0 | 87.8 | 38.5 | 67.6 | +0.1 |
| May 16, 2026 | 58.1 | 54.1 | 45.0 | 87.8 | 38.5 | 66.7 | +0.1 |
| May 15, 2026 | 58.0 | 54.1 | 45.0 | 87.8 | 38.5 | 65.6 | -0.2 |
| May 14, 2026 | 58.2 | 54.1 | 45.0 | 87.8 | 38.5 | 66.9 | 0.0 |
| May 13, 2026 | 58.2 | 54.2 | 45.0 | 87.8 | 38.5 | 66.8 | -0.2 |
| May 12, 2026 | 58.4 | 54.2 | 45.0 | 87.8 | 38.5 | 68.1 | +0.5 |
APH — Pillar Breakdown
Quality
— 54.3/100 (25%)Amphenol Corporation has average quality metrics, with room for improvement in margins or capital efficiency.
How effectively capital is deployed to generate returns.
Profitability relative to shareholders' equity.
Ability to convert revenue into operating profit.
Bottom-line profit as a share of revenue.
Asset productivity — how much gross profit each dollar of assets generates.
Free cash flow relative to market value.
Growth
— 87.8/100 (20%)Amphenol Corporation is growing rapidly with strong revenue and earnings expansion.
Revenue trajectory over the last twelve months.
Compound annual revenue growth rate over 3 years.
Year-over-year earnings per share growth.
Analyst consensus for future revenue growth.
Analyst consensus for future earnings growth.
Risk
— 38.5/100 (15%)Amphenol Corporation has some risk factors including moderate leverage or solvency concerns.
Debt levels relative to earnings capacity.
Total debt relative to shareholder equity.
Short-term liquidity — ability to pay near-term obligations.
Earnings capacity relative to interest payments.
Valuation
— 60.2/100 (15%)Amphenol Corporation trades at a reasonable valuation with decent earnings yield and FCF multiples.
Inverse of forward P/E — higher yield means cheaper stock.
How many years of FCF the market cap represents.
P/E relative to earnings growth — lower is more attractive.
Enterprise value multiple relative to sector median.
Moat
— 45/100 (25%)Amphenol Corporation possesses some competitive advantages but faces meaningful competition. The Moat pillar evaluates competitive advantages across five dimensions: Switching Costs, Network Effects, Cost Advantage, Intangible Assets, and Scale & Ecosystem. Sign in to customize moat ratings for APH.
Score Composition
Financial Data
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How is the APH UQS Score Calculated?
The UQS (Unified Quality Score) for Amphenol Corporation is calculated using a proprietary 6-pillar framework with 29 financial metrics. Each pillar evaluates a different dimension on a 0–100 scale, then combines into a single weighted score. Scoring thresholds are calibrated per sector. Momentum is an optional Pro toggle — without it, you get the 5-pillar / 25-metric core shown below.
Quality (25%) measures profitability and capital efficiency — ROIC, ROE, margins, GP/Assets, and FCF Yield.
Moat (25%) assesses Amphenol Corporation's competitive advantages across switching costs, network effects, cost advantages, intangible assets, and ecosystem scale.
Growth (20%) tracks revenue trajectory and earnings momentum, combining historical results with analyst forward estimates.
Risk (15%) is inversely scored — lower leverage and strong balance sheet health result in higher scores.
Valuation (15%) measures whether Amphenol Corporation is fairly priced using earnings yield, price-to-FCF, PEG ratio, and EV/EBITDA relative to sector peers.
Six investor-inspired presets are available, each with different pillar weights: Balanced, Buffett, Munger, Lynch, Cathie Wood, and Graham. The public score shown here uses the Balanced preset. Learn more in our FAQ.