Renesas to Buy Software Firm Altium for $6 Billion (Correct)

Semiconductor maker Renesas Electronics Corp. agreed to buy software firm Altium Ltd. for A$9.1 billion ($5.9 billion), the biggest acquisition yet of an Australian-listed company by a Japanese buyer.

The Tokyo-based supplier to Toyota Motor Corp. saidit will acquire Altium, whose software is used by the likes of Bang & Olufsen and Leica Geosystems AG, as part of a push to expand its product lineup. The companies said they aim to create a one-stop platform that allows manufacturers to better design electronics from the system level.

Renesas will buy shares in Altium, listed in Sydney but based ...