Mark Cuban is a Dallas-based angel investor and co-founder of Fireside, chairman of AXS. See portfolio, sector focus and contact routes.
Mark Cuban is a Dallas-based angel investor and co-founder of Fireside, chairman of AXS, and founding partner of Mark Cuban Companies, a family investment office that manages his diverse portfolio [2][9]. His investment thesis targets seed and early-stage ventures across consumer products, media, software, internet, and sports & entertainment, with a focus on the United States [9]. Typical check sizes range from $300,000 in angel rounds to $12 million in Series A deals, and he often leads investments while providing hands-on operational support [2][9]. Notable portfolio companies include Broadcast.com, which he co-founded and sold to Yahoo for $5.7 billion, Cost Plus Drug Company launched in 2022, and startups like Mahalo, Naked Pizza, and SparkCharge [3][4][9][10]. Cuban is also a best-selling author of *How to Win at the Sport of Business* and a prominent Shark Tank investor known for his outspoken, pragmatic approach to entrepreneurship [11][10]. He publicly advocates for transparent drug pricing through Cost Plus and supports AI education via his foundation’s AI Bootcamps Initiative [8][11].
This profile is part of the StartupFundraising investor database: focus, portfolio history, disclosed location and contact routes, refreshed as new filings and rounds are ingested. Founders use it to check fit before reaching out and to find investors in Dallas.
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