Amphenol Corporation (APH) Stock

About Amphenol Corporation

Amphenol Corporation is led by CEO Richard Adam Norwitt, employs 170,000 people, headquartered in Wallingford, US, publicly traded since 1991.

Amphenol Corporation (APH) stock trades at $74.09 with a market capitalization of $182.70B. The stock is valued at a price-to-earnings (P/E) ratio of 40.04, price-to-book of 13.35, price-to-sales of 7.15. Over the past 52 weeks the stock has ranged between $59.01 and $89.77, and currently trades 17.5% below its 52-week high. It pays a dividend yielding 0.59%.

On profitability, Amphenol Corporation generates a return on equity (ROE) of 37.21%, above the typical market range of roughly 12-15%, return on capital employed of 22.30%, an operating margin of 26.00%, a net profit margin of 17.76%.

In its most recent fiscal year, Amphenol Corporation reported annual revenue of $23.1B, net profit of $4.3B. Over the last 5 fiscal years, revenue grew at an average annual rate of 21.8%, and net profit grew at an average annual rate of 28.8%. Over that span net profit grew faster than revenue, so net margin widened.

The balance sheet shows a debt-to-equity ratio of 1.21, a current ratio of 1.71, total assets of $36.2B, $11.1B in cash and equivalents.

APH has an average daily trading volume of 9,998,345 shares, a beta of 1.24.

Amphenol Corporation by the numbers, 2016–2025

Between 2016 and 2025 Amphenol Corporation reported revenue of $6.3B rising to $23.1B, a change of +267.4% across 10 years. Compounded, revenue has grown 21.9% a year over five years, 22.3% over three, 51.7% over the last twelve months. Net profit rose to $4.3B.

Operating margin went from 19.7% in 2016 to 25.9% in 2025, a gain of 6.1 percentage points. The most recent net margin is 17.76%. On a trailing twelve-month basis to Jun '26, revenue is $29.0B and net profit $5.2B.

Borrowings rose from $3.0B to $15.5B, cash on hand is $4.6B, cash from operations was $5.4B in the latest year, positive in 10 of the last 10.

Return on equity has averaged 26.4% over five years, and was 31.8% in the most recent year.

The share price itself has compounded at 36.9% a year over five years, 57.2% over three, 62.0% over the last year. Past price movement is history, not a forecast.

Figures are as reported and in the company's own reporting currency. They describe what has already happened and carry no implication about what follows.

Amphenol Corporation (APH) — frequently asked questions