ON Semiconductor Faces Downgrade Following Major Synaptics AI Acquisition

• Cowen & Co. downgraded ON Semiconductor (NASDAQ: ON) from Buy to Hold on June 26, 2026.
• The downgrade coincides with ON Semiconductor's largest acquisition, an all-stock deal to buy Synaptics (NASDAQ: SYNA) for nearly $7 billion, aiming to boost its physical AI technology capabilities.
• Market reaction was mixed, with ON Semiconductor shares falling 6% while Synaptics stock rallied 13%.

On June 26, 2026, analyst firm Cowen & Co. downgrades its rating on ON Semiconductor (NASDAQ: ON) from a Buy to a Hold. ON Semiconductor is a company that designs and builds chips for various industries. The stock price is $118.74 at the time of this rating change, reflecting recent market activity.

The downgrade follows a major company announcement. ON Semiconductor reveals its largest acquisition ever, agreeing to buy Synaptics (NASDAQ: SYNA) in an all-stock deal valued at nearly $7 billion. This strategic purchase aims to strengthen the company's position in physical artificial intelligence technology, which involves AI interacting with the real world.

The market shows a mixed reaction to the news. As highlighted by CNBC, shares of ON Semiconductor fall about 6% in after-hours trading. An all-stock deal means ON Semiconductor is using its own shares as currency, which can dilute the value for existing shareholders. Meanwhile, Synaptics' stock rallies approximately 13%.

ON Semiconductor states the transaction provides immediate benefits, including new computing capabilities and a larger software ecosystem. The company expects the deal to increase its total addressable market, which is the total revenue opportunity available, by $30 billion. This move is part of a larger trend of tech firms buying AI companies.

Despite the downgrade, ON Semiconductor's stock is trading at $118.74, a daily increase of 2.59%. The company has a market capitalization, or total value of all its shares, of about $46.53 billion. Over the past year, the stock has traded between a low of $44.56 and a high of $134.92.