As of December 2025 Summit Midstream has a market cap of $0.32 Billion USD. This makes Summit Midstream the world's 7841th 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 7th, 2025 the market cap of Summit Midstream was reported to be: