buyout·deskPrivate equity, daily
Tue, Jun 16, 2026
Daily briefTuesday, June 16, 2026
20 deals tracked · Updated 11:06 AM PDT·Full deal sheet
Add-on·Industrials/Defense Services·June 16, 2026

Principal Mineral adds Isola Group

The add-on brings a manufacturer of copper-clad laminates and dielectric prepregs for printed circuit boards to the platform, with transaction terms undisclosed in the announcement.

Takeaways

  • Isola Group is a manufacturer of copper-clad laminates and dielectric prepregs for PCBs.
  • The business serves advanced electronics, aerospace, communications, AI infrastructure, energy.
  • The acquisition adds copper-clad laminates to Principal Mineral's critical materials platform, complementing its existing copper foil operations to offer a vertically.
BuyerPrincipal Mineral
TargetIsola Group
SponsorCerberus Capital Management
TypeAdd-on
IndustryIndustrials
Sub-sectorDefense Services

Principal Mineral, backed by Cerberus Capital Management, acquired Isola Group, a manufacturer of copper-clad laminates and dielectric prepregs for printed circuit boards.

The acquisition adds laminates to Principal Mineral's existing copper foil operations from Camden Copper, strengthening its supply-chain resilience for aerospace, communications, AI infrastructure, and energy applications.

The company concurrently announced $280 million in new funding, co-led by Overmatch Ventures and The New Industrial Corporation, to support integration, capacity expansion, and technology development.