THK: A Category-Defining Linear-Motion Franchise Re-Rated on Restructuring and a Still-Unbooked Robotics Option
THK is the Japanese precision-component maker that commercialized the world's first LM Guide and still leads in linear-motion hardware (LM guides, ball screws, actuators) sold into machine tools, electronics, and factory automation. After exiting a low-return automotive business and adopting an ROE-above-10% policy, continuing-operations earnings are recovering toward 2026 guidance of revenue around 276 billion yen and operating income around 31 billion yen, yet at 7,802 yen the stock trades near 38.5x forward EPS and 3.3x book, pricing in both the restructuring and a robotics optionality the filings do not yet quantify. Rating Hold: a real industrial franchise whose stock has run ahead of delivered execution, with an ideal buy zone of 3,900 to 4,100 yen.