SK Capital Partners and Edgewater Capital Partners Acquire Saint-Gobain’s Crystals Business (Luxium Solutions)

Saint-Gobain Acquires Xypex Chemical Corp. from TorQuest Partners

July 9, 2026

Industrial Services

Saint-Gobain agreed to acquire Xypex Chemical Corp., a provider of crystalline waterproofing admixtures and coatings, from TorQuest Partners for an undisclosed amount. The company said the deal will strengthen its construction chemicals platform and expand its presence in nonresidential and infrastructure markets, with expected close in the fourth quarter of 2026 subject to regulatory approvals.

Goldman Sachs Alternatives Takes Majority Stake in Crystal Group

May 6, 2024

Wealth Management

The Private Equity business at Goldman Sachs Alternatives has agreed to become the majority shareholder in French wealth manager Crystal, alongside Crystal's management team led by Bruno Narchal and Jean-Maximilien Vancayezeele; Seven2 will remain a c.25% shareholder. Crystal, founded in 1992, manages around €22 billion AUM (pro forma for recent acquisitions) and said the investment will support growth in France and internationally, including significant investments in digital and AI. The transaction is subject to regulatory and antitrust approvals.

Luxium Solutions Acquires Inrad Optics for $19 Million

April 9, 2024

IT Services

Luxium Solutions has completed its all-cash acquisition of Inrad Optics in a deal valued at approximately $19 million (including assumed debt). Under the terms of the definitive merger agreement, Inrad Optics stockholders received $1.10 per share in cash, and the transaction strengthens Luxium’s portfolio in optics and photonics solutions.

Luxium Solutions Acquires PLX Inc. and PLX UK from Tinicum-led Investor Group

March 4, 2024

Manufacturing

Luxium Solutions, a PE-backed provider of high-performance crystals for photonics and radiation detection, has agreed to acquire PLX Inc. and PLX UK, Ltd. from an investor group led by Tinicum. The acquisition broadens Luxium's detection-enabling technology capabilities by adding PLX's monolithic optical assembly, optomechanical engineering and systems-integration expertise; debt financing was provided by KeyBanc Capital Markets and a unitranche by Stellus Capital Management.

Silver Investment Partners Acquires Stake in Crystal GmbH from SHS

June 22, 2021

Medical Devices

Silver Investment Partners (SIP) has acquired the stake in Berlin-based Crystal GmbH from healthcare investor SHS. The investor transition will support Crystal's planned growth — development of new products, expanded production capacity and increased international sales — while SHS completes its exit.

Saint-Gobain to acquire Chryso from Cinven

May 20, 2021

Building Products

Saint-Gobain has agreed to acquire Chryso, a global specialist in construction chemicals, from private equity firm Cinven. Headquartered in France, Chryso operates 35 industrial sites and five R&D centres, employs about 1,300 people and serves customers across more than 100 countries; the transaction is expected to close in the second half of 2021 subject to customary approvals.