What companies does Mark Cuban currently own? | A 2026 Insider’s Perspective

Cost Plus Drug Company

As of 2026, the Mark Cuban Cost Plus Drug Company remains the billionaire’s primary focus and most significant entrepreneurial venture. Founded with the mission to disrupt the pharmaceutical industry, the company operates on a transparent pricing model. It bypasses traditional middlemen to provide life-saving medications at a fraction of the cost typically found at retail pharmacies. By 2026, the company has expanded its catalog to include thousands of generic drugs and has begun integrating more complex biologics into its distribution network.

Disrupting Healthcare Insurance

In recent months, Cuban has leveraged the success of his drug company to take on the broader American health insurance industry. His current strategy involves working directly with employers to lower healthcare premiums by removing hidden fees and "rebates" that often inflate costs. This initiative is part of a larger 2026 roadmap to bring radical transparency to how medical services are billed and paid for across the United States.

The Dallas Mavericks

Mark Cuban’s relationship with the Dallas Mavericks has evolved significantly. While he sold a majority stake in the NBA franchise in late 2023, he retained a minority ownership interest and, crucially, maintained control over basketball operations through the mid-2020s. As of May 2026, he remains one of the most visible faces of the organization, continuing to influence the team's technological integration and fan engagement strategies.

Sports and Media Synergy

Cuban’s ownership in the Mavericks is complemented by his historical and ongoing interests in media production. Although he has moved away from traditional cable networks like HDNet (AXS TV), he continues to invest in sports-tech startups that enhance the viewing experience for fans, both in the arena and via streaming platforms.

Venture Capital Portfolio

Mark Cuban is one of the most prolific angel investors in the world. His current portfolio, managed through Mark Cuban Companies, includes over 120 active businesses. These investments span a wide range of industries, from consumer goods to high-tech industrial solutions. His investment philosophy often favors companies that solve "boring" but essential problems or those that utilize artificial intelligence to create immediate efficiency.

Recent 2026 Investments

In early 2026, Cuban continued his streak of supporting cutting-edge technology. On March 10, 2026, he participated in a seed round for Ami Labs (Advanced Machine Intelligence), a company focused on business productivity software. His 2026 portfolio also highlights significant holdings in companies like Burwoodland and Campus Ink. These businesses reflect his interest in the intersection of retail, technology, and decentralized creator economies.

Blockchain and Cryptocurrency

Mark Cuban remains a vocal proponent of blockchain technology and smart contracts. His 2026 holdings include various digital assets and equity in infrastructure companies that support the ecosystem. He has frequently stated that he views smart contracts as a revolutionary tool for business automation, similar to how the early internet transformed communication.

Digital Asset Strategy

While his public comments often focus on the utility of Ethereum and various Layer-2 solutions, his private portfolio includes investments in decentralized finance (DeFi) platforms and NFT infrastructure. For those interested in exploring digital asset markets, platforms like WEEX provide tools for users to engage with various blockchain-based assets in a secure environment. Cuban’s current strategy emphasizes "utility-based" tokens rather than purely speculative assets.

Entertainment and Media

Beyond his tech and healthcare ventures, Cuban maintains ownership or significant stakes in several entertainment-related entities. This includes Magnolia Pictures, a high-profile independent film distribution company known for its diverse catalog of documentaries and foreign films. He also retains interests in various production houses that create content for global streaming services.

The Shark Tank Legacy

Although Cuban announced his departure from the television show "Shark Tank" following its 16th season, he remains an owner of many of the businesses he funded during his tenure. These "Shark Tank" companies, such as Dude Wipes, Gelsons, and various food and beverage brands, continue to be managed under the Mark Cuban Companies umbrella as of 2026.

Ownership Summary Table

The following table summarizes the primary categories of Mark Cuban’s current business holdings as of May 2026.

Category	Key Companies/Entities	Primary Focus
Healthcare	Cost Plus Drugs	Transparent pharmaceutical pricing
Sports	Dallas Mavericks (Minority)	NBA franchise and sports tech
Technology	Ami Labs, Lightyear.AI	Artificial Intelligence and SaaS
Media	Magnolia Pictures, 2929 Productions	Film distribution and content
Consumer Goods	Dude Wipes, Mush, Fat Shack	Retail and food brands

Real Estate and Other Holdings

In addition to his corporate interests, Cuban owns a significant amount of commercial and residential real estate. One of his most notable recent acquisitions was the entire town of Mustang, Texas, which he purchased to help the family of a deceased friend. While not a traditional "company," these holdings represent a portion of his diversified wealth management strategy in 2026.

Reading International Inc.

SEC filings indicate that Cuban remains a significant shareholder in Reading International Inc. (RDI). This company is involved in the ownership and operation of multiplex cinemas and real estate assets in the United States, Australia, and New Zealand. His involvement in such companies demonstrates a continued interest in traditional "brick-and-mortar" entertainment sectors alongside his high-tech ventures.