Updated August 29, 2026

    Mark Cuban's IQ: 125–140 (est.)

    Note: The figure above is an unverified estimate based on publicly circulated reports and biographical analysis — not a confirmed result from an authenticated IQ test. Most public figures have never released an official score. How we handle IQ estimates →

    Estimated IQ

    125–140

    Known For

    Billionaire entrepreneur, Shark Tank, Dallas Mavericks owner

    About Mark Cuban

    Mark Cuban's IQ is estimated at 125-140 based on his academic record (Indiana University, business school), serial entrepreneurship, and demonstrated analytical ability. Cuban taught himself programming, built and sold multiple companies including Broadcast.com for $5.7 billion, and has successfully invested across technology, entertainment, and healthcare (Cost Plus Drugs). His ability to rapidly assess business opportunities on Shark Tank demonstrates genuine analytical speed.

    What an IQ of 125–140 Means

    Cuban represents the entrepreneur archetype — combining above-average to gifted cognitive ability with extreme work ethic and risk tolerance. His self-taught programming, rapid business analysis, and ability to operate across diverse industries (tech, sports, pharma, media) suggest strong cognitive flexibility. His Cost Plus Drugs venture, disrupting pharmaceutical pricing through data analysis, shows analytical intelligence applied to social impact.

    To understand where this falls on the IQ scale, see our complete IQ score ranges guide, or learn what IQ actually measures.

    Famous IQ Comparison

    PersonEstimated IQKnown For
    Mark Cuban125–140Billionaire entrepreneur, Shark Tank, Dallas Mavericks owner
    Eminem115–130Rapper, lyrical genius, best-selling hip-hop artist
    Wolfgang Amadeus Mozart150–170Classical composer, child prodigy, musical genius
    Simone Biles100–115Greatest gymnast of all time, 37 Olympic/World medals
    Patrick Mahomes110–120NFL quarterback, 3x Super Bowl MVP
    Tim Cook125–140Apple CEO, supply chain genius
    Greta Thunberg120–135Climate activist, Nobel Peace Prize nominee

    See the complete famous IQ list or check what an IQ of 133 means.

    Careers That Match an IQ of 133

    Explore the full IQ by career chart.

    Where This Estimate Comes From

    • Documented academic record: earned his degree from Indiana University's Kelley School of Business, taking college courses while still in high school
    • Media estimates otherwise rest on his entrepreneurial track record, not testing
    • No publicly verified test result

    Estimate disclaimer: Mark Cuban's IQ figure is a speculative estimate compiled from public sources, not a verified test result. See how we compile these estimates.

    Frequently Asked Questions

    What is Mark Cuban's IQ?

    Cuban's IQ is estimated at 125-140. His Indiana University education, self-taught programming, serial entrepreneurship, and rapid business analysis ability (visible on Shark Tank) suggest gifted-range analytical intelligence.

    Is Mark Cuban a genius?

    His estimated IQ (125-140) approaches the 140 genius threshold. His ability to succeed across multiple industries — tech, sports, pharmaceuticals, media — suggests exceptional cognitive flexibility that characterizes the highest-functioning minds.

    How does Cuban compare to other billionaires?

    Cuban's estimated IQ (125-140) is somewhat below tech billionaires like Gates (150-160) or Bezos (145-155) but comparable to many successful entrepreneurs. His particular strength is rapid opportunity assessment and cross-domain business building.

    More Business Figures

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    Take our free IQ test to discover your own score, or explore what an IQ of 133 means.

    Reviewed by

    MyIQScores Editorial Team

    Editorial team focused on cognitive testing & psychometrics research

    MyIQScores content is written and maintained by our editorial team using published research in cognitive psychology and psychometrics as its source base. We label estimates as estimates, link primary sources where available, correct errors when readers flag them, and update pages as research or feedback warrants — see our corrections policy.

    Our Methodology →Editorial Policy →Last updated: May 10, 2026

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