MKS to sell Ophir Optics business to TTM Technologies for $650M in cash deal.

MKS Inc. has agreed to sell its Ophir Optics business to TTM Technologies for $650 million in an all-cash transaction, expected to close in Q2 2027. Ophir Optics specializes in high-precision infrared thermal imaging and laser optics, serving defense and industrial markets. The sale allows MKS to capitalize on the value created and strengthen its balance sheet, while TTM aims to support the business's next growth phase. The deal excludes the Ophir Instruments laser characterization business, which remains with MKS.

As of Oct 19, 2026 19:21 WIB, MKS Instruments (MKSI) trades at USD 225.00, which is closer to its 52-week low of USD 134.42 than its high of USD 444.80, while TTM Technologies (TTMI) is priced at USD 99.02, also nearer to its 52-week low of USD 55.69 compared to its high of USD 221.47. Both stocks have seen positive 1-day changes, with MKSI up 4.73% and TTMI up 5.48%, reflecting active trading on Pluang where MKSI has a typical hold time of 11 days and TTMI just 2 days as of the same time.