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Amphenol (APH) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Amphenol
NYSE•Technology•Electronic Components
$84.19+4.35(0.05%)After hours
Market Cap
$206.15B
P/E
34.8x
P/S
6.2x
P/B
11.9x

Amphenol Corporation, together with its subsidiaries, designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the United States, China, and internationally. It operates through three segments: Communications Solutions, Harsh Environment Solutions, and Interconnect and Sensor Systems. The company offers connectors and connector systems, including high speed, radio frequency, power, fiber optic and other interconnect products; busbars and power distribution systems; power interconnect products; and other products. It also provides value-add products, such as backplane interconnect systems, cable assemblies and harnesses, and cable management products; and other products comprising flexible and rigid printed circuit boards, hinges, other mechanical, and production related products. In addition, the company offers consumer device, network infrastructure, and other antennas; coaxial, power, and specialty cables; and sensors and sensor-based products. It sells its products through its sales force, independent representatives, and a network of electronics distributors to original equipment manufacturers, electronic manufacturing services companies, original design manufacturers, and service providers in the automotive, commercial aerospace, communications networks, defense, industrial, information technology and data communications, mobile devices markets. Additionally, the company provides telecommunication and IT networking solutions. The company was founded in 1932 and is headquartered in Wallingford, Connecticut.

A

How this company scores

ExcellentMetricSide Score: 86/100

Strongest: Profitability (25/25); weakest: Balance Sheet & Red Flags (15/25).

Profitability25/25
Growth23/25
Balance Sheet & Red Flags15/25
Cash & Earnings Quality23/25
Strengths
Growing revenueRising free cash flowStrong marginsHigh ROE

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 34.8x5y range 21.4x – 39.8x
P/E 34.8x · near its 20-quarter median

Currently near its 20-quarter median.

P/S · 6.2x5y range 3.2x – 7.2x
P/S 6.2x · near its 20-quarter median

Currently near its 20-quarter median.

P/B · 11.9x5y range 5.9x – 13.1x
P/B 11.9x · above its 20-quarter median

Currently above its 20-quarter median.

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

Some Concerns

Leverage Risk

Watch

Debt-to-equity has risen 75.7% recently — increasing financial risk even if the current ratio is manageable.

Share Dilution

Watch

Shares outstanding rose 2.1% — mild dilution. Compare to earnings growth to assess the net per-share impact.

Price & Volume
Market Cap $206.15B

Metrics at a Glance

as of September 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue
$33.05B
7Q
Q. Revenue
$10.23B
7Q
TTM EBITDA
$10.58B
7Q
TTM Op. Income
$9.16B
7Q
Q. Op. Income
$3.02B
7Q
TTM Net Income
$5.93B
7Q
Q. Net Income
$2.03B
2Q
EPS
$0.82
2Q
Shares Out.
$2.47B
7Q
$33.05B in TTM revenue grew 57.6% YoY, reaching $10.23B last quarter. TTM EBITDA of $10.58B and TTM operating income of $9.16B show growth is flowing through to the bottom line. TTM net income of $5.93B means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 7 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin
39.3%
3%
EBITDA Margin
32.9%
6%
Op. Margin
29.5%
2Q
Net Margin
19.9%
1%
Op. margin of 29.5% is up 2.0% YoY — cost efficiency is improving. Net margin at 19.9% and gross margin of 39.3% show how much of each revenue dollar survives to profit. Across the last 8 quarters, operating margin has risen for 2 consecutive quarters — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio
34.8x
10%
P/S Ratio
6.2x
12%
P/B Ratio
11.9x
2%
At 34.8x P/E, the stock trades above typical market levels — the market expects above-average growth. P/S of 6.2x and P/B of 11.9x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Over the past year, P/E is down 10% — an improving trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets
$47.02B
7Q
Cash
$4.17B
10%
Long-Term Debt
$17.17B
141%
Book Value
$17.26B
7Q
D/E Ratio
1.0
2Q
Debt/EBITDA
5.1
3Q
With $47.02B in assets and $17.17B in long-term debt, D/E is 1.0and book value is $17.26B — a conservative capital structure with a cushion to weather downturns. Across the last 8 quarters, debt/equity has fallen for 2 consecutive quarters — an improving trend.

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow
$2.08B
2Q
TTM Free Cash Flow
$5.12B
7Q
FCF Margin
15.5%
3Q
FCF / Net Income
0.9
2Q
TTM FCF of $5.12B on $2.08B in operating cash flow. The FCF / Net Income ratio of 0.9x means free cash flow covers net income — earnings are backed by cash. Across the last 8 quarters, free cash flow has risen for 7 consecutive quarters — an improving trend.

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