Crown Castle is an American operator of telecommunications networks based in Houston. The company operates over 40,000 transmission masts, 70,000 small cells for wireless communication as well as a fiber optic cable network.
As of December 2025 Crown Castle has a market cap of โน3.532 Trillion. This makes Crown Castle the world's 590th 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 9th, 2025 the market cap of Crown Castle was reported to be: