ON Semiconductor (ON) Stock: Latest News, Analyst Forecasts, and Key Catalysts to Watch on Dec. 20, 2025
ON Semiconductor Corporation (onsemi) stock is ending 2025 with a dense stack of market-moving catalysts—ranging from fresh gallium nitride (GaN) partnerships and expanded automotive power-supply wins to a major European silicon carbide (SiC) investment tailwind and an upcoming Nasdaq-100 index removal. As of Dec. 20, 2025, ON Semiconductor (NASDAQ: ON) shares traded around $55.21. Below is what investors are watching right now, what Wall Street is forecasting, and how the near-term debate around ON stock is shaping up heading into 2026. ON Semiconductor stock is in focus for one big reason: catalysts are colliding Several developments are converging at once: