As of Q1'26 (2025-11-23), Costco (COST) reported net income of USD 2B, representing a year-over-year increase of 11.29%. This marks a solid performance in the latest quarter, maintaining the company's positive earnings momentum. Over the period from Q2'23 to Q1'26, Costco's net income has generally trended upward, with notable peaks in Q4'23 (USD 2.16B), Q4'24 (USD 2.35B), and Q4'25 (USD 2.61B). Year-over-year growth rates have remained positive throughout most quarters, with the highest YoY increase of 29.11% in Q3'24, indicating periods of accelerated earnings growth. The data also shows some seasonal fluctuations, with Q4 quarters typically delivering the strongest net income results. Overall, the trend highlights consistent profitability growth with occasional surges in performance.