As of Q4'25 (2026-01-03), ONTO reported net income of $10.5M, marking a significant decrease from the previous quarter. The year-over-year (YoY) growth rate for this period stands at -78.4%, indicating a sharp decline compared to the same quarter last year. From Q1'23 to Q4'25, ONTO's net income trend has been volatile, with notable peaks in Q1'25 ($64.1M) and Q3'24 ($53.1M), followed by a pronounced drop in the subsequent quarters. After strong YoY growth in 2024, including a peak of 104.5% in Q2'24, the company experienced a reversal in 2025, with YoY growth turning negative and reaching the lowest point in Q4'25. This pattern suggests a period of robust recovery and expansion in 2024, followed by a significant contraction in 2025.