Amphenol Corporation (APH) Key Metrics

NYSE: APHValuation, returns, debt and efficiency ratios over 10 years.

APH valuation today

Trailing 12 months · as of October 17, 2026
Market cap
$195.67B
Enterprise value
$216.07B
P/E (TTM)
39.7
10-yr median 16.3
Forward P/E
24.6
PEG ratio
0.93
Price / sales
6.7
10-yr median 2.2
Price / book
13.1
10-yr median 3.6
EV / EBITDA
23.3
10-yr median 10.7
Dividend yield
0.63%
$0.50 a year
Beta
1.24

APH key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

APH valuation Price multiples at each fiscal year-end price.

P/E ratio+11.7%
40.4
2025 · hover or tap a bar for each year
2016: 12.9 (+18.9%)2017: 21.4 (+66.0%)2018: 10.5 (−50.8%)2019: 14.4 (+37.3%)2020: 16.7 (+15.8%)2021: 17.2 (+2.9%)2022: 12.4 (−27.7%)2023: 16.0 (+28.4%)2024: 36.2 (+126.9%)2025: 40.4 (+11.7%)
20162025
Price / sales+29.7%
7.5
2025 · hover or tap a bar for each year
2016: 1.7 (+13.5%)2017: 2.0 (+17.6%)2018: 1.5 (−22.1%)2019: 2.0 (+31.2%)2020: 2.3 (+15.4%)2021: 2.5 (+7.6%)2022: 1.9 (−25.5%)2023: 2.5 (+30.8%)2024: 5.8 (+135.3%)2025: 7.5 (+29.7%)
20162025
Price / book+43.6%
12.9
2025 · hover or tap a bar for each year
2016: 2.8 (+12.8%)2017: 3.4 (+20.8%)2018: 3.1 (−9.3%)2019: 3.6 (+16.3%)2020: 3.7 (+1.7%)2021: 4.3 (+16.3%)2022: 3.3 (−22.3%)2023: 3.7 (+9.5%)2024: 9.0 (+145.5%)2025: 12.9 (+43.6%)
20162025
EV / EBITDA+5.1%
25.3
2025 · hover or tap a bar for each year
2016: 8.7 (+20.5%)2017: 9.4 (+8.0%)2018: 7.5 (−20.0%)2019: 10.1 (+33.9%)2020: 11.4 (+13.4%)2021: 12.4 (+8.4%)2022: 9.0 (−27.5%)2023: 13.1 (+45.8%)2024: 24.1 (+84.7%)2025: 25.3 (+5.1%)
20162025
Price / free cash flow−3.4%
39.4
2025 · hover or tap a bar for each year
2016: 11.9 (+24.0%)2017: 15.1 (+26.8%)2018: 15.8 (+4.3%)2019: 13.8 (−12.6%)2020: 15.3 (+10.8%)2021: 23.2 (+51.7%)2022: 13.2 (−43.1%)2023: 14.3 (+8.1%)2024: 40.8 (+186.2%)2025: 39.4 (−3.4%)
20162025
Free cash flow yield+0.1 pts
2.5%
2025 · hover or tap a bar for each year
2016: 8.4% (−2.0 pts)2017: 6.6% (−1.8 pts)2018: 6.3% (−0.3 pts)2019: 7.2% (+0.9 pts)2020: 6.5% (−0.7 pts)2021: 4.3% (−2.2 pts)2022: 7.6% (+3.3 pts)2023: 7.0% (−0.6 pts)2024: 2.4% (−4.6 pts)2025: 2.5% (+0.1 pts)
20162025

APH valuation history

Fiscal year-endToday10-year median

APH returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

APH debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

APH cash returned to shareholders

DividendsBuybacksFree cash flow

APH price vs earnings per share

Share price at year-endEPS (right axis)

APH key metrics

2016–2025
Amphenol Corporation key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$172.64B$87.76B$30.76B$23.64B$27.35B$20.11B$16.66B$12.66B$13.89B$10.59B
Enterprise value$176.71B$91.70B$33.44B$26.78B$30.91B$22.23B$19.36B$14.94B$15.68B$12.43B
P/E ratio40.436.216.012.417.216.714.410.521.412.9
Price / sales7.55.82.51.92.52.32.01.52.01.7
Price / book12.99.03.73.34.33.73.63.13.42.8
Price / free cash flow39.440.814.313.223.215.313.815.815.111.9
Price / operating cash flow32.131.212.210.917.812.611.111.412.19.8
EV / sales7.76.02.72.12.82.62.41.82.22.0
EV / EBITDA25.324.113.19.012.411.410.17.59.48.7
EV / free cash flow40.442.715.515.026.216.916.018.617.114.0
Earnings yield2.5%2.8%6.3%8.0%5.8%6.0%6.9%9.5%4.7%7.8%
Free cash flow yield2.5%2.4%7.0%7.6%4.3%6.5%7.2%6.3%6.6%8.4%
Dividend yield0.5%0.7%1.6%2.0%1.3%1.5%1.7%2.0%1.5%1.6%
Shareholder yield (dividends + buybacks)0.8%1.5%3.5%5.1%3.7%4.7%5.3%9.4%5.9%4.7%
Share price at fiscal year-end$67.57$34.73$24.78$19.04$21.86$16.35$13.53$10.13$10.97$8.40
Per share
Revenue per share$9.04$6.02$10.11$10.16$8.69$6.99$6.68$6.56$5.54$4.99
Earnings per share$1.67$0.96$1.55$1.53$1.27$0.98$0.94$0.96$0.51$0.65
Operating cash flow per share$2.10$1.11$2.04$1.75$1.23$1.29$1.22$0.89$0.90$0.85
Free cash flow per share$1.71$0.85$1.74$1.44$0.94$1.07$0.98$0.64$0.72$0.70
Cash per share$4.48$1.32$1.34$1.15$0.99$1.41$0.74$1.03$1.39$0.93
Book value per share$5.25$3.87$6.79$5.71$5.10$4.43$3.73$3.25$3.19$2.95
Tangible book value per share$0.23$0.13$0.40−$0.07−$0.60$0.02−$0.58−$0.43−$0.39−$0.38
Dividends per share$0.31$0.24$0.40$0.38$0.28$0.24$0.23$0.20$0.16$0.14
Capex per share$0.39$0.26$0.30$0.31$0.29$0.23$0.24$0.25$0.18$0.15
Debt per share$6.07$2.88$3.49$3.69$3.84$3.14$2.93$2.86$2.80$2.39
Shares outstanding2.56B2.53B1.24B1.24B1.25B1.23B1.23B1.25B1.27B1.26B
Change in shares outstanding+1.1%+103.6%−0.1%−0.7%+1.7%−0.1%−1.5%−1.2%+0.4%−0.4%
Returns & profitability
Return on equity (ROE)36.8%26.6%24.8%28.2%26.9%24.0%26.7%29.7%16.8%23.5%
Return on invested capital (ROIC)28.9%21.4%24.0%20.1%19.7%17.6%18.8%21.3%12.6%18.3%
Return on assets (ROA)14.8%12.8%12.1%12.7%11.8%10.4%11.1%12.0%7.0%10.3%
Return on tangible assets18.2%20.2%22.4%23.4%21.1%17.4%21.0%22.1%11.9%19.1%
Free cash flow margin19.0%14.1%17.2%14.2%10.8%15.3%14.7%9.8%13.1%14.1%
Income quality (OCF / net income)1.261.161.311.140.971.321.300.921.761.31
Financial health
Total debt$15.50B$7.28B$4.34B$4.58B$4.80B$3.87B$3.61B$3.57B$3.54B$3.01B
Cash & short-term investments$11.43B$3.34B$1.66B$1.43B$1.24B$1.74B$908.6M$1.29B$1.75B$1.17B
Net debt$4.07B$3.94B$2.68B$3.14B$3.56B$2.13B$2.70B$2.28B$1.79B$1.84B
Debt / equity1.160.740.510.650.750.710.780.880.880.81
Debt / assets0.430.340.260.300.330.310.330.360.350.35
Net debt / EBITDA0.581.041.051.051.421.091.401.151.071.28
Current ratio2.982.372.172.422.432.381.971.862.952.20
Quick ratio2.481.751.481.641.661.751.361.362.251.63
Interest coverage16.015.118.320.318.814.314.016.715.517.1
Working capital$13.46B$5.60B$3.68B$3.80B$3.51B$3.19B$2.08B$2.12B$3.08B$1.96B
Invested capital$17.48B$13.74B$11.10B$10.24B$9.94B$7.58B$7.29B$6.34B$5.83B$5.56B
Tangible asset value$692.9M$394.8M$499.3M−$86.1M−$754.6M$22.3M−$712.9M−$533.3M−$487.7M−$473.0M
Net current asset value−$2.46B−$1.90B−$1.26B−$1.75B−$2.34B−$1.38B−$2.01B−$1.41B−$1.30B−$1.18B
Graham number$14.05$9.14$15.40$14.03$12.08$9.88$8.87$8.40$6.08$6.59
Graham net-net per share−$2.37−$1.78−$2.73−$3.04−$3.41−$2.39−$2.72−$2.18−$1.94−$1.69
Capital allocation
Dividends paid$802.2M$595.1M$500.6M$477.4M$346.7M$297.6M$279.5M$253.7M$205.0M$172.7M
Share buybacks (net)$665.2M$689.3M$585.1M$730.5M$661.7M$641.3M$601.7M$935.2M$618.0M$325.8M
Dividend payout ratio18.8%24.6%26.0%25.1%21.8%24.7%24.2%21.1%31.5%21.0%
Dividends + buybacks / free cash flow33.5%59.8%50.4%67.5%85.5%71.4%73.0%148.2%89.7%56.2%
Capex / revenue4.3%4.4%3.0%3.0%3.3%3.2%3.6%3.8%3.2%3.0%
Capex / operating cash flow18.5%23.6%14.7%17.6%23.4%17.4%19.6%27.9%19.8%17.7%
Capex / depreciation1.081.160.920.980.910.900.951.041.000.88
Stock-based compensation / revenue0.6%0.7%0.8%0.7%0.8%0.8%0.8%0.7%0.7%0.8%
R&D / revenue2.8%3.0%2.7%2.6%2.9%3.0%2.8%2.7%2.8%2.6%
SG&A / revenue11.0%12.2%11.6%11.3%11.3%11.8%11.8%11.7%12.5%12.7%
Efficiency
Days sales outstanding63.370.876.373.573.978.378.375.476.771.2
Days of inventory on hand75.285.391.884.781.985.382.877.079.076.5
Days payables outstanding56.457.457.355.759.461.157.258.160.354.4
Cash conversion cycle (days)82.098.7110.8102.696.5102.4103.994.395.493.4
Receivables turnover5.775.154.784.964.944.664.664.844.765.12
Payables turnover6.476.366.376.566.155.976.386.286.056.71
Inventory turnover4.864.283.984.314.454.284.414.744.624.77
Asset turnover0.800.800.790.840.810.740.790.820.760.79
Average receivables$4.00B$2.95B$2.62B$2.54B$2.20B$1.84B$1.76B$1.70B$1.47B$1.23B
Average payables$2.24B$1.59B$1.33B$1.31B$1.22B$993.8M$878.6M$883.0M$776.9M$633.0M
Average inventory$2.99B$2.36B$2.13B$1.99B$1.68B$1.39B$1.27B$1.17B$1.02B$890.4M
Intangibles / total assets35.4%44.1%48.0%46.8%48.6%44.0%49.1%45.8%45.3%49.4%

Computed from APH's annual financial statements (latest annual report filed February 11, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

APH valuation and financial ratios

At the end of fiscal 2025 (December 31, 2025), Amphenol traded at 40.4 times earnings, against a 10-year median of 16.3. Based on the latest twelve months, the trailing P/E is 39.7 and the forward P/E is 24.6. Amphenol earned a return on equity of 36.8% and a return on invested capital of 28.9% in fiscal 2025. It ended the year with $15.5 billion of debt and $11.4 billion in cash and short-term investments, net debt of $4.1 billion. It returned $1.5 billion to shareholders: $802.2 million in dividends and $665.2 million in share buybacks, 34% of free cash flow. The share count rose 102.6% from 1.26B to 2.56B over 9 years.

See the APH income statement, the APH chart for price history, or the APH stock overview for the latest quote and news.

APH key metrics FAQ

What is Amphenol's P/E ratio?

Amphenol's trailing P/E ratio is 39.7 based on the last twelve months of earnings (as of October 17, 2026), and its forward P/E is 24.6. At the end of fiscal 2025 it was 40.4, compared with a 10-year median of 16.3.

What is Amphenol's EV/EBITDA?

Amphenol's enterprise value was 25.3 times EBITDA at the end of fiscal 2025 (enterprise value $176.7 billion, EBITDA $7.0 billion); the current EV/EBITDA is 23.3.

What is Amphenol's return on equity?

Amphenol's return on equity (ROE) was 36.8% in fiscal 2025: net income of $4.3 billion on average shareholders' equity of $11.6 billion.

What is Amphenol's ROIC?

Amphenol's return on invested capital was 28.9% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Amphenol have?

Amphenol had total debt of $15.5 billion at the end of fiscal 2025, a debt-to-equity ratio of 1.16 and $4.1 billion of net debt (0.58 times EBITDA).

What is Amphenol's dividend yield?

Amphenol's forward dividend yield is 0.63%. Amphenol paid $802.2 million in dividends in fiscal 2025 ($0.31 per share), a payout ratio of 18.8%.

Does Amphenol buy back its shares?

Yes. Amphenol spent $665.2 million on net share repurchases in fiscal 2025 Shares outstanding changed +1.1% over the year, to 2.56B..

What is Amphenol's free cash flow yield?

Amphenol generated $4.4 billion of free cash flow in fiscal 2025, a free cash flow yield of 2.5% on its market value at year-end ($172.6 billion).

What is Amphenol's current ratio?

Amphenol's current ratio was 2.98 at the end of fiscal 2025: current assets were 2.98 times current liabilities.

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