Lam Research Corp (LRCX)

Operating profit margin

		Jun 30, 2025	Jun 30, 2024	Jun 30, 2023	Jun 30, 2022	Jun 30, 2021
Operating income	US$ in thousands	5,900,970	4,263,910	5,174,860	5,381,820	4,482,020
Revenue	US$ in thousands	18,435,600	14,905,400	17,428,500	17,227,000	14,626,200
Operating profit margin		32.01%	28.61%	29.69%	31.24%	30.64%

June 30, 2025 calculation

Operating profit margin = Operating income ÷ Revenue
= $5,900,970K ÷ $18,435,600K
= 32.01%

The operating profit margin of Lam Research Corp has exhibited notable fluctuations over the specified periods from June 30, 2021, to June 30, 2025. As of June 30, 2021, the operating profit margin was 30.64%, indicating the percentage of revenue remaining after covering operating expenses. This margin increased modestly to 31.24% by June 30, 2022, reflecting a slight improvement in operational efficiency or cost management.

However, by June 30, 2023, the operating profit margin experienced a decline to 29.69%, suggesting increased operating costs or pressures on revenue profitability. The downward trend continued into June 30, 2024, where the margin further decreased to 28.61%, potentially indicating continued cost challenges or shifts in revenue composition.

Conversely, by June 30, 2025, the operating profit margin rebounded to 32.01%, surpassing the earlier peak seen in 2022. This improvement may reflect successful cost control measures, enhanced operational efficiency, or favorable revenue growth strategies. Over the five-year span, the margin demonstrates some volatility but ultimately shows a positive recovery and upward movement in the most recent period, signaling a potential strengthening of operational profitability.