As of December 2025 Cogent Communications has a market cap of ยฃ0.78 Billion. This makes Cogent Communications the world's 5881th 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 8th, 2025 the market cap of Cogent Communications was reported to be: