STOCK · APH · NYSE
Amphenol Corporation trades under the ticker symbol APH on the NYSE. This page brings together its live stock price, an interactive price chart, and key fundamentals like market capitalization, 52-week range, dividend yield, and the next earnings date, with plain-English context to help you understand what the numbers mean.
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Amphenol is one of the world's largest makers of connectors, cables, antennas, and sensors. These are the small but essential parts that link the pieces of an electronic system together and carry signals and power between them.
Its products go into a very wide range of markets, including phones, cars, aircraft, defense equipment, factory machines, communications networks, and data centers. The company is organized into three business segments and runs in a decentralized way, with many smaller units.
Amphenol grows in two ways at once: by selling more as demand rises, and by regularly buying other companies and folding them in. Data centers and AI servers have become an important source of demand, because densely packed AI hardware needs a great many high-speed connectors and cables.
Source: Amphenol SEC filings (10-K) and investor relations · Last reviewed June 2026
Amphenol Corporation scores 90 out of 100 (grade A) across the 4 measures we can read from its filings. Its strongest measure is growth (grade A); its weakest is balance-sheet health (grade B).
Rule-based grades derived from annual figures reported to the SEC. Descriptive, not a rating of the investment.
Amphenol grew its revenue rapidly (about 15.9% a year) over the 7 years through FY2025, and profit grew even faster, so the business became more profitable as it grew. Its profit margin widened over the period. Free cash flow grew alongside profit.
Rising. Revenue went from $8.2B in FY2018 to $23.1B in FY2025, about 15.9% a year. The top line is still expanding, the first sign the business is still in demand.
Rising. Profit went from $823M in FY2016 to $4.3B in FY2025, about 20.1% a year. The business is keeping more profit over time, not less.
gross margin went from 32.4% to 36.9% (volatile); operating margin went from 20.6% to 25.4% (volatile); net margin went from 14.7% to 18.5% (volatile). Each dollar of sales is turning into more profit over time, often a sign of pricing power or scale.
Rising. Free cash flow went from $887M in FY2016 to $4.4B in FY2025, about 19.4% a year. The profit is showing up as real cash, which is what you want to see.
Over the last 10 years the company returned about $6.5B through buybacks and $3.9B through dividends to shareholders. Whether that cash was spent well depends on the price paid for the stock, which this section does not judge. It shows the choices, not a verdict.
Derived from the annual figures this company reported to the SEC. What is described already happened; it is not a forecast.
Rising. Amphenol keeps about 36.9% of every sales dollar before overhead, and that share has risen over the last 7 years.
Widening. Amphenol's sales grew about 15.9% a year, and its operating margin went from 20.6% to 25.4% over the same period.
Steady. Amphenol's operating margin barely moved over the last 7 years (from 20.6% to 25.4%).
The Investment Case describes Amphenol's competitive advantages, and the risks that could erode them.
These are the quality measures the financial statements support. Several others, such as brand strength and customer concentration, need human judgment and are not measured automatically.
Historically, the company has used a mix of reinvestment, buybacks, and dividends.
On average, capital spending used about 20% of operating cash flow across 10 fiscal years (FY2016-FY2025) - a moderate share of the cash the business generated went back into it.
Reported share repurchases in 10 of the 10 fiscal years shown, totaling about $6.5B (FY2016-FY2025).
Paid a per-share dividend in each of the 10 fiscal years shown (FY2016-FY2025). In FY2025, dividends paid totaled about $802M.
The total debt balance rose over the window: about $3.0B in FY2016 vs about $14.6B in FY2025. This describes the balance's direction, not repayments.
As of FY2025, held about $11.1B in cash and equivalents vs about $14.6B of total debt - more total debt than cash at that date.
Derived from annual figures this company reported to the SEC (EDGAR XBRL company facts). Descriptive history only: not a forecast, not a rating, not investment advice.
What has varied in Amphenol Corporation's past filings, and what to keep an eye on. Descriptive, not a forecast and not a rating.
Amphenol makes the connectors, cables, and sensors that hold electronic systems together, and it sells them into a very broad mix of markets so that no single customer or industry dominates. Demand from data centers and AI servers, which need large amounts of high-speed connection and power, has become an important growth driver on top of its steady habit of acquiring smaller companies. The long term question that frames the stock is whether Amphenol can keep riding AI and data-center demand while continuing to buy and integrate companies well without overpaying.
Educational analysis from public filings. This is not a recommendation to buy or sell any security.
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Sources: Amphenol 10-K (SEC EDGAR), Amphenol Investor Relations · Last reviewed June 2026
Market Cap, Valuation, Dividend Yield
Amphenol makes the connectors, cables, and sensors that hold electronic systems together, and it sells them into a very broad mix of markets so that no single customer or industry dominates. Demand from data centers and AI servers, which need large amounts of high-speed connection and power, has become an important growth driver on top of its steady habit of acquiring smaller companies.
Amphenol's huge range of products and global manufacturing let it serve many industries at once, and its broad customer base means it does not depend on any single buyer.
AI servers and data centers use a great many high-speed connectors and cables, so the AI buildout directly increases demand for Amphenol's products.
Demand can swing from quarter to quarter with the economy, and orders can be cancelled, so results are not always smooth.
Orders can rise and fall from quarter to quarter with the economy and with specific industries, so demand is not always steady. Because growth depends partly on buying other companies, there is ongoing risk in choosing the right deals and integrating them well, including its pending purchase of CommScope's connectivity business.
Amphenol blends organic demand with a constant stream of acquisitions, so its growth and debt can shift as deals close. Weigh it using the segment results, margins, and acquisition details in the company's own filings rather than any outside estimate.
Whether data-center and AI demand keeps lifting its data-center and networking products while its other markets stay healthy, which is what would need to go right for steady growth.
Educational content only. Market data is delayed and is not financial advice. Always do your own research and consult a licensed professional before investing.