5 Best Mid Cap Stocks to Invest In According to Billionaires

3. Ondas Inc. (NASDAQ:ONDS)

Number of Billionaire Holdings: 13

Market Cap: $4.40 billion

Ondas Inc. (NASDAQ:ONDS) is also one of the best mid cap stocks on this list.

TheFly reported on April 7 that ONDS announced that its subsidiary Sentrycs secured multiple contracts worth millions of dollars from federal, state, and local public safety agencies to support airspace security during the 2026 FIFA World Cup.

The deployment will focus on protecting stadiums, fan zones, and related event areas across matches hosted in 16 cities throughout the United States, Canada, and Mexico. Sentrycs’ counter-unmanned aircraft systems will be used at most venues to detect, track, and manage unauthorized drone activity. The technology is designed for non-disruptive operation in crowded environments, supporting large-scale security needs while maintaining regulatory compliance and operational safety throughout the tournament.

Separately, a day earlier on April 6, Ondas Inc. (NASDAQ:ONDS) reported that its subsidiary 4M Defense secured a competitive contract for a large-scale demining initiative along a strategic border area. The program is expected to generate more than $50 million in near-term and follow-on orders, adding to a previously announced $30 million demining project. The initiative strengthens the company’s involvement in next-generation border infrastructure and security solutions. ONDS also noted additional long-term opportunities that could expand into hundreds of millions of dollars in future system deployments, highlighting potential growth in broader border protection and infrastructure modernization programs over time.

Ondas Inc. (NASDAQ:ONDS) is a technology company focused on providing autonomous drone and private wireless solutions. It develops industrial drone platforms and secure communication networks used in sectors such as defense, public safety, transportation, and critical infrastructure.