The wealthy, billionaire Mark Cuban may be best known as the previous owner of the Dallas Mavericks (he still retains a 27% minority stake) and former host of the show “Shark Tank”, but it turns out he has several diverse interests. A look at the website of Mark Cuban Companies shows the variety of companies he either owns outright or has invested in, and the list is impressive in both its volume and breadth.
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Today, he oversees the Mark Cuban Foundation and Mark Cuban Companies, his venture capital and private equity firm. Mark Cuban Companies’ investments include businesses owned by minorities or women and those started by entrepreneurs with ties to the military. He also has a growing portfolio in the blockchain sector.
Cuban’s many business interests include health, fitness, eating well and the environment. Though he has financially backed upwards of 400 businesses, here are 10 companies Cuban is currently invested in.
Mark Cuban Cost Plus Drugs
Mark Cuban Cost Plus Drugs aims to produce and provide low-cost generic drugs and price them straightforwardly and transparently. A few years ago, when many people in the medical field were fed up with the corporate greed of pharmaceutical companies, Dr. Alex Oshmyansky, a physician and entrepreneur, reached out to Cuban via a cold email, and the company today has expanded to include a direct-to-consumer online pharmacy.
Gameday Couture
In 2014, Cuban invested $500,000 for a 30% stake of Gameday Couture, which started making officially licensed college apparel for women. Co-owners Kurt and Shawnna Feddersen began the Oklahoma-based company to help women look stylish while cheering for their favorite team.
By 2018, Gameday Couture had annual sales of $12 million. At the time of Cuban’s investment, Gameday Couture held licenses with more than 30 universities. In 2025, it holds over 350 licenses, including NCAA, NFL, MLS and Team USA NCAA licenses, and Cuban still owns a portion of the company.
Grouphug
In 2018, first-generation American Krystal Persaud decided to use her experience designing consumer electronics at a New York company to start Grouphug and emphasize sustainability. Her creation was window solar panels that connect to chargers for cell phones and other devices.
“While the sun hits your solar panel during the day, all of that energy gets stored in an internal battery, meaning you can charge your favorite devices day or night,” she said on a 2020 episode of “Shark Tank.” Sold on the promise of the concept, Cuban gave her $150,000 for a 25% stake in the company.
InstaFire
Konel Banner long had recognized the need for fire-starting technology, and when he met outdoor enthusiast Frank Weston, who also had a background in firefighting, they partnered to develop InstaFire. This became a fire-starting product designed for safe and reliable fire starting in various conditions and is made from a patented blend of volcanic rock, wood pellets and paraffin wax.
Cuban teamed with fellow investor Lori Greiner to put $300,000 into the company in exchange for 30% ownership. Though he left the reality show in 2025, he remains a stakeholder in the company.
Magnolia Pictures
Cuban also co-owns Magnolia Pictures with Todd Wagner through their company, 2929 Entertainment and serves as its film distribution and production arm. Magnolia Pictures has been the leading independent film distributor for nearly 20 years.
AXS TV
AXS TV specializes as a music, entertainment and lifestyle channel. Originally founded by Cuban in 2001, you can watch live concerts, reality programming, sports events, music-themed broadcasting and other content. The network is distributed to more than 50 million homes.
Earth Brands
In 2021, co-founders Misha Medvedev and Peter Frelinghuysen‚ student-athletes at Williams College, saw an opportunity to make a difference, so they launched Earth Cups, 100% biodegradable and compostable cups, an eco-friendly alternative to typical single-use plastic.
It has the simple mission of making sustainability cool for next-generation consumers by solving the issue of plastic waste by providing innovative, plant-based alternatives to environmentally harmful and outdated products.
Simple Sugars
Despite numerous visits to the dermatologist, Lani Lazzari had no solution for her sensitive skin until she started experimenting with her own concoctions in the family kitchen. By 2005, for the first time ever, she had relief and was eczema-free, thanks to her recipes. She appeared on “Shark Tank”, and Cuban walked away with 33% of the company for his $100,000 investment.
Coconut Girl
Spurred by his belief in healthy eating (and maybe a sweet treat, too), Cuban bought a 20% stake of Coconut Girl in 2020 for $180,000. The company was founded by Francheska “Frankie” Yamsuan, who developed the dairy-free, gluten-free line of ice cream sandwiches.
Shower Toga
Kressa Peterson knew what it’s like to get grimy and muddy with no way to remove her dirty clothes to wash off — without creating a public spectacle. So, she created Shower Toga, which users put over their clothes before pulling them off from underneath, which helps outdoor enthusiasts such as campers, bikers, endurance athletes and more.
It’s washable and reusable. While at least one of the investors on “Shark Tank” likened it to a plastic trash bag, Cuban and guest Shark Alli Webb saw the value and plunked down $80,000 for a 40% ownership of the company.
Final Take To GO: Could Mark Cuban Invest in You?
The bottom line is, how does a business owner get their idea in front of Cuban and, perhaps, score some venture capital? Email is the key — you can find his address online with a bit of digging. Your best bet for avoiding Cuban’s email trash can and his auto-delete filter is not to waste a second of his time.
“You’ve got one paragraph to get my attention,” Cuban said. Get to the point about what your product does, and avoid making exaggerated claims. If your product is viable and your email is one of the 10% or so Cuban reads in-depth, your business could make its way into Cuban’s investment portfolio.
Caitlyn Moorhead contributed to the reporting for this article.
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This article originally appeared on GOBankingRates.com: What Companies Has Mark Cuban Invested In?
