Coherent capex climbs to $547.2 million for nine months as it adds capacity

In its fiscal Q3 2026 release, Coherent reported additions to property, plant and equipment of $547.2 million for the nine months ended March 31, 2026, up from $309.5 million a year earlier. CFO Sherri Luther said the company remains focused on ramping capital investment to drive increased capacity. For traders, the step-up in spending is the cost of the indium phosphide and datacenter capacity expansion that the guidance depends on.

• Nine-month PP&E additions $547.2 million versus $309.5 million a year earlier.
• CFO Sherri Luther: company is ramping capital investment to drive capacity.
• Spending tied to indium phosphide and datacenter transceiver capacity.