Amphenol’s Revenue Jumps 55% While the Stock Sits Just Below Its Two-Year High

Amphenol trades at $157.74, a market capitalisation of $194.49 billion, and sits near the top of its two-year range of $59.09 to $169.18 – about 90% of the way from the low to the high, and only around 7% below that high. This Amphenol Corporation stock analysis finds strong marks for Quality (80 out of 100) and Growth (82 out of 100) offset by a weak Opportunity score of 25, which leaves the model on a Hold signal with a Recommendation score of 62.

What Is Happening With the Stock Price

The stock has more than doubled from its two-year low and now trades close to its two-year high. The move tracks surging demand for connectors and interconnect systems used in AI data centres, defence electronics, and vehicle electrification. Earnings per share stand at $4.01. Momentum is clearly positive, but buying here means paying up near the top of the two-year range rather than entering on weakness.

Quality: Is This a Financially Sound Business?

Amphenol earns high returns on capital: return on equity is 38.1% and return on assets 14.5%. Operating margin is 29.8%, gross margin 39.0%, and net margin 17.7% – consistent with the company’s long record of stable profitability across cycles. Free cash flow was $3.8 billion on $29.0 billion of revenue, roughly a 13% conversion rate. Debt-to-equity is 1.20 and the current ratio 1.89; the leverage is a deliberate part of the model, since Amphenol funds a steady stream of acquisitions with debt. This Amphenol Corporation stock analysis rates Quality at 80 out of 100.

Growth: Does This Company Have Real Upside?

Revenue grew 55.0% over the trailing twelve months, more than double the 22.3% five-year compound annual rate. That acceleration is real, but it should be read with care: Amphenol is a serial acquirer, so a meaningful part of the 55% is bought rather than organic. Trailing earnings growth was 59.3%. EV/Revenue is 7.17 and EV/EBITDA 21.98. The Growth score is 82 out of 100.

Opportunity: Is Now a Good Time to Enter?

Valuation is where the case weakens. The price-to-earnings ratio is 39.3, price-to-book is 12.55, and EV/EBITDA is 21.98 – multiples that price in continued strong execution and leave little margin for error. The free-cash-flow yield is 2.0%. With the stock near its two-year high, the entry point is unattractive on the model’s measures, and the Opportunity score of 25 out of 100 is the single biggest drag on the overall rating. The dividend yield is 0.6% on a 22.9% payout ratio.

Amphenol Corporation Stock Analysis: The Bottom Line

Quality of 80 and Growth of 82 against an Opportunity score of 25 produce a Recommendation score of 62 and a Hold signal. That label is StreetBriefs’ quantitative model output – a starting point for research, not a personalised recommendation to transact. The bull case is a high-quality, well-diversified compounder with an outstanding growth record and a proven acquisition engine. The bear case is a premium valuation near the two-year high, a thin 2.0% free-cash-flow yield, acquisition-dependent growth that is harder to sustain organically, and cyclical exposure across its end markets. Figures are based on Yahoo Finance data as of August 31, 2026, and may be delayed or contain errors.