MKS to Sell Ophir Optics Business to TTM Technologies for $650 Million; Shares Rise Pre-Bell

08:58 AM EDT, 10/19/2026 (MT Newswires) -- MKS (MKSI) said Monday it has agreed to sell its Ophir Optics business to TTM Technologies (TTMI) for $650 million in cash. The deal values the business at more than 18 times its projected 2026 adjusted EBITDA. The transaction is set to close in Q2 2027, pending regulatory approvals and other customary closing conditions. Shares of MKS rose more than 3% in pre-bell activity Monday. Price: 222.07, Change: +7.24, Percent Change: +3.37