NEW YORK (June 17, 2026) – Holland & Knight represented Principal Mineral, a leader in rebuilding the industrial "missing midstream" of the global strategic materials supply chain, in three concurrent transactions that help strengthen the company's platform in critical materials and upstream electronics, as well as support its next phase of strategic growth. The transactions were announced on June 16.
Firm attorneys advised Principal Mineral in its acquisition of Isola Group, a premier manufacturer of copper-clad laminates and dielectric prepegs used in printed circuit boards (PCBs). The acquisition strengthens Principal Mineral's ability to serve customers across the electronics value chain. The combined offering enhances manufacturing capabilities and supply chain resilience for critical industries while bringing together two foundational materials used in advanced PCBs: copper foil and copper-clad laminates.
In addition, Holland & Knight assisted Principal Mineral in securing $280 million in new funding to support its next phase of growth. The funding was co-led by Overmatch Ventures and The New Industrial Corporation, with participation from J2 Ventures, Ensemble VC and other investors, alongside a credit facility provided by Lane42 Investment Partners, which was also coordinated by Holland & Knight attorneys. The capital will support integration of the combined company, expansion of advanced manufacturing capacity, continued technology development and long-term investment in critical supply chain capabilities across North America, Europe and Asia.
Dallas-based Principal Mineral utilizes its portfolio of technologies and operations to provide scaled production of critical mineral and material inputs for the electronics, defense and energy industries, while building strategic partnerships that accelerate the development of essential capabilities and establish durable and globally competitive production.
Holland & Knight Partner Aaron Goldberg (M&A) led the Firm's representation of Principal Mineral. He was assisted by Partner Nicholas Brunero and Associates Brittany Cangelosi and Katya Mingov (M&A). The debt financing was led by Partner David Valeck (Finance), and the equity financing was coordinated by Associate Christian Kaiser (M&A). Holland & Knight's Nick Leibham, in collaboration with Mr. Goldberg, serves as the relationship partner leading the representation of Principal Mineral.
More information on the transactions can be found here.
Recently recognized as the Private Equity Law Firm of the Year by the Global M&A Network and M&A Law Firm of the Year by M&A Advisor, Holland & Knight regularly ranks among the leading M&A and private equity law firms in reputable, benchmarking league tables published by Bloomberg, LSEG, Mergermarket, PitchBook and The Deal. Through the HK Deal Flow℠ program, Holland & Knight facilitates deal leads for clients and prospective clients by matching acquisition or capital raising opportunities with buyers and investors.