SCHEDULE 13G/A: FMR LLC Boosts Stake in ON Semiconductor to 15%

FMR LLC and Abigail P. Johnson have reported an aggregate beneficial ownership of 15.0% of ON Semiconductor Corp's common stock as of September 30, 2025.

Summary

• FMR LLC and Abigail P. Johnson collectively beneficially own 61,538,856.30 shares of ON Semiconductor Corp's common stock.
• This represents 15.0% of the total outstanding common stock as of September 30, 2025.
• FMR LLC holds sole voting power over 59,666,538.27 shares and sole dispositive power over 61,538,856.30 shares.
• Abigail P. Johnson holds sole dispositive power over 61,538,856.30 shares.
• Select Semiconductors Portfolio holds an interest of 25,721,808.00 shares, representing 6.3% of the total outstanding common stock.
• The securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of ON Semiconductor Corp.

Sentiment

Score: 7

Explanation: The filing indicates a significant and stable institutional ownership by FMR LLC, a major investment firm, which can be viewed positively as a vote of confidence in ON Semiconductor. The purpose of holding is stated as ordinary course of business, not for control influence, suggesting a long-term investment perspective. While not directly impacting company performance, strong institutional backing is generally favorable.

Positives

• Significant institutional investor, FMR LLC, maintains a substantial 15.0% stake in ON Semiconductor Corp, indicating continued confidence.
• The beneficial ownership is held in the ordinary course of business, suggesting a long-term investment strategy rather than an activist intent.

Future Outlook

No specific future outlook or guidance for ON Semiconductor Corp is provided in this beneficial ownership report.

Management Comments

• FMR LLC and Abigail P. Johnson certify that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing the control of the issuer.

Industry Context

FMR LLC's significant stake in ON Semiconductor, a key player in the semiconductor industry, suggests continued institutional interest in the sector, particularly in companies focused on power and sensing solutions. This aligns with broader trends of increasing demand for semiconductors in automotive, industrial, and cloud computing markets.

Related Party Transactions

• FMR LLC and Abigail P. Johnson are reporting persons, with Abigail P. Johnson being a Director, Chairman, and CEO of FMR LLC, and part of the Johnson family which predominantly owns FMR LLC.
• Several FMR LLC subsidiaries (FIAM LLC, Fidelity Diversifying Solutions LLC, Fidelity Institutional Asset Management Trust Company, Fidelity Management & Research Company LLC, Fidelity Management Trust Company, Strategic Advisers LLC) are identified as entities that beneficially own shares.
• Select Semiconductors Portfolio is identified as having the right to receive dividends or proceeds from 25,721,808.00 shares (6.3% of outstanding common stock).

Stakeholder Impact

• Shareholders: The disclosure of a significant, stable institutional investor holding 15% of the company's stock can provide a sense of stability and confidence. It signals that a major player sees value in the company.
• Management: Awareness of a large, long-term institutional holder may influence strategic decisions, though the filing states no intent to influence control.

Key Dates

Recommendation

The filing is a routine disclosure of a significant beneficial ownership stake by FMR LLC, a major institutional investor, in ON Semiconductor Corp. While the 15.0% stake indicates continued confidence, the filing itself does not provide new operational or financial data about ON Semiconductor that would warrant a change in investment thesis. It primarily confirms a substantial, long-term institutional presence, which is generally a neutral to slightly positive signal, supporting a 'hold' recommendation for existing investors.

Keywords

ON Semiconductor, FMR LLC, Abigail P. Johnson, Schedule 13G, Beneficial Ownership, Institutional Investor, Semiconductor Industry, Common Stock, Equity Stake