What is APH's market cap?

$195.10B, based on the Nov 4 close of $79.01.

What is APH's P/E ratio?

32.9× trailing-twelve-month earnings of $5.93B.

Does Amphenol pay a dividend?

Yes. The latest regular dividend was $0.125 per share (ex-date Sep 22), an annualised yield of 0.63%.

How much of APH is sold short?

27.1M shares, 2.2% of float, as of Oct 15, 2026.

What sector is APH in?

Technology, in the Electronic Connectors industry.

NYSE · APHTechnologyElectronic Connectors

Amphenol Corporation (APH)

$79.01−6.15%

Close Nov 4, 2026 · split-adjusted

Nov 4, 2026$78.60▲ 15.00% in range

Nov 4, 2025Low $40.02 · High $88.62Nov 4, 2026

What changed · written from our data

As of Nov 4, 2026

Amphenol closed at $79.01 on Nov 4, down 6.15%, 10.8% below its 52-week closing high. Volume of 20.2M shares was 1.55× its 20-day average (above normal).

Split-adjusted performance: -10.8% over one month, +14.1% over six months, +11.6% over one year.

In the quarter ended Sep 30, 2026, revenue was $10.23B, up 65.1% from a year earlier, with a net margin of 19.9%.

Short interest was 27.1M shares at the Oct 15 settlement, down 11.6% from the prior report (2.2% of float, 2.6 days to cover).

Market cap$195.10B2.47B shares

Revenue · quarter$10.23B+65.1% YoY

Diluted EPS$0.79+61.2% YoY

P/E · TTM32.9×P/S 5.9×

Net margin19.9%Gross 39.3%

Dividend yield0.63%$0.125 last paid

52-week range40.02 – 88.62−10.8% from high

Volume20.2M1.55× 20-day avg

Volatility · 60d211.6%Annualised

Short % of float2.2%2.6 days to cover

Net cash-$12.57BCash $5.30B

Next earnings—Not scheduled

Split-adjusted performance

1W −2.4%1M −10.8%3M −7.4%6M +14.1%YTD +16.9%1Y +11.6%3Y +295.1%5Y +317.1%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Electronic Connectors

Percentile among 3 companies (100 = best)

6-month momentum—

Revenue growth—

Net margin—

Value (low P/E)—

Size—

Industry medians: 6-month return +14.1%, revenue growth +21.1%, net margin 6.0%, P/E 33.0×.

Short interest

Details →

Shares short27.1M−11.6% vs prior

Days to cover2.6Settled Oct 15

% of float2.2%

Short vol. 10d38.9%of daily volume

Closest peers by size in Electronic Connectors

Company	Price	Today	6M	Rev. growth	Net margin	P/E	Mkt cap
APHAmphenol	$79.01	−6.15%	+14.1%	+65.1%	19.9%	32.9	$195.10B
MEIMethode Electronics	$13.27	−11.71%	+43.0%	+10.4%	−4.3%	—	$473.0M	Compare
RFILRF Industries	$7.48	−2.60%	−50.1%	+21.1%	6.0%	33.2	$81.1M	Compare

News about Amphenol

All news →

Amphenol's Q3 Earnings Beat Estimates, Revenues Rise Y/YZacks Investment Research · Oct 28, 2026▲ Positive Vertiv Expands AI Data Center Footprint: Can It Beat APH and SMCI?Zacks Investment Research · Oct 27, 2026▲ Positive Should Amphenol Stock Be in Your Portfolio Pre-Q3 Earnings?Zacks Investment Research · Oct 26, 2026▲ Positive Amphenol (APH) Reports Next Week: Wall Street Expects Earnings GrowthZacks Investment Research · Oct 21, 2026▲ Positive Is Amphenol (APH) a Solid Growth Stock? 3 Reasons to Think "Yes"Zacks Investment Research · Oct 20, 2026▲ Positive

Quick answers

What does Amphenol do?: Amphenol is a global supplier of connectors, sensors, and interconnect systems. It holds the second-largest connector market share globally and sells into the automotive, broadband, commercial air, industrial, IT and data communications, military, mobile devices, and mobile networks end markets.
What is APH's market cap?: $195.10B, based on the Nov 4 close of $79.01.
What is APH's P/E ratio?: 32.9× trailing-twelve-month earnings of $5.93B.
Does Amphenol pay a dividend?: Yes. The latest regular dividend was $0.125 per share (ex-date Sep 22), an annualised yield of 0.63%.
How much of APH is sold short?: 27.1M shares, 2.2% of float, as of Oct 15, 2026.
What sector is APH in?: Technology, in the Electronic Connectors industry.

About Amphenol

Amphenol is a global supplier of connectors, sensors, and interconnect systems. It holds the second-largest connector market share globally and sells into the automotive, broadband, commercial air, industrial, IT and data communications, military, mobile devices, and mobile networks end markets. Amphenol is diversified geographically, with operations in 40 countries.

HQ: Wallingford, CT170,000 employeesListed Nov 8, 1991amphenol.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology