As of December 2025 Amphenol has a market cap of A$257.00 Billion. This makes Amphenol the world's 108th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 6th, 2025 the market cap of Amphenol was reported to be: