M&A moves

Houston private equity firm acquires German magnetic materials producer

In M&A news, a decarbonization-focused firm has acquired only producer in the Western Hemisphere of electric-vehicle-grade permanent magnets. Photo via arapartners.com

Houston-based private equity firm Ara Partners has purchased Germany’s Vacuumschmelze (VAC), a producer of magnetic materials for products such as electric vehicles, from funds overseen by asset manager Apollo. The purchase price wasn’t disclosed.

VAC is the only producer in the Western Hemisphere of electric-vehicle-grade permanent magnets. It also makes magnetic materials for the industrial, aerospace, medical, and renewable energy sectors.

Earlier this year, VAC announced a deal with automotive giant General Motors to build a North American factory for the production of magnets for the electric motors of GM-made EVs. The factory, set to open in 2025, will initially product enough magnets to supply 1 million EVs each year. The magnets will be made of alloys of rare-earth elements.

GM forecasts it will manufacture 1 million EVs per year in North America by 2025.

“We believe the demand for VAC’s differentiated, customized products will continue to grow rapidly as companies around the world decarbonize their industrial processes and the electrification of mobility advances, and we look forward to leveraging our expertise to further enable VAC’s continued success,” Tuan Tran, a partner at Ara Partners, says in a news release.

Ara Partners specializes in investments in the decarbonization sector.

Founded in 1923, VAC was owned by technology conglomerate Siemens for more than 65 years. Ohio’s OM Group acquired VAC in 2011. Four years later, Apollo purchased OM Group for more than $1 billion, putting VAC in the hands of the asset manager.

As of June 30, Ara Partners had about $4.4 billion in assets under management, while Apollo had $617 billion in assets under management.

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A View From HETI

The company has developed thermal insulation technology that improves efficiency and safety in buildings and outdoor infrastructure. Photo via LinkedIn

Houston-based NanoTech Materials has closed a $29.4 million Series A.

The round was led by Austin-based HPI Real Estate & Investments. Houston-based Goose Capital and Austin-based Milliken & Company also participated.

Nanotech has developed its patented Insulative Ceramic Particle (ICP) technology, which reduces heat transfer in buildings and outdoor infrastructure, improving efficiency and safety. It's known for its Cool Roof Coat, Wildfire Shield and Insulative Coat: Cool Touch product lines.

With the new funding, Nanotech plans to scale operations and expand its market reach for its products.

“We’re addressing one of the pressing and urgent challenges facing infrastructure owners today: controlling energy costs and extending asset life,” Mike Francis, CEO and co-founder of NanoTech Materials, said in a news release. “This financing marks a transformative moment for us. It allows us to rapidly scale production and bring our high-performance materials to market faster, while delivering measurable cost savings and redefining what resilience looks like in today’s built environment.”

Nanotech launched in 2020 and was the first company selected for Halliburton Labs. It moved into a 43,000-square-foot space in Katy in 2023. It brought on new partners that expanded the company's reach in the Middle East and Singapore the following year. Its technology was recognized as one of Time magazine's 200 Best Inventions of 2024.

“We were early investors in Nanotech Materials and are pleased to continue supporting the company as it becomes a leader in breakthrough materials science and technology,” John Chaney, investor at Goose Capital and board member at NanoTech, added in the release. “NanoTech’s ability to elevate fire resilience and energy efficiency in the built environment is critical for strengthening and hardening infrastructure. Its pioneered approach is transforming current building standards and making our lives safer.”

The company has secured $34.4 million in total to date, according to the release. It raised an oversubscribed funding round in 2023 and a $5 million seed round in 2020.

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