Where is Main Street Capital headquartered?

Main Street Capital is headquartered in Houston, Texas.

How many investments has Main Street Capital made?

Main Street Capital has 125 recorded investments across 100 portfolio companies, with 26 recorded exits.

Main Street Capital

Private Equity Unicorn backer

Houston, Texas · Founded 1997 · Most recent recorded deal 2026

125Investments

100Portfolio companies

26Exits

55Lead investments

Main Street Capital is a principal investment firm that provides long-term debt and private equity capital to lower middle market companies.

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Activity figures are recorded deal counts sourced via Crunchbase and the LP Database, not assets under management.