Monolithic Power Systems Inc (MPWR)

Net profit margin

		Dec 31, 2024	Sep 30, 2024	Jun 30, 2024	Mar 31, 2024	Dec 31, 2023	Sep 30, 2023	Jun 30, 2023	Mar 31, 2023	Dec 31, 2022	Sep 30, 2022	Jun 30, 2022	Mar 31, 2022	Dec 31, 2021	Sep 30, 2021	Jun 30, 2021	Mar 31, 2021	Dec 31, 2020	Sep 30, 2020	Jun 30, 2020	Mar 31, 2020
Net income (ttm)	US$ in thousands	1,786,697	434,242	410,975	410,113	427,374	449,559	452,733	467,908	437,672	391,253	335,686	276,176	242,023	212,239	199,035	174,033	164,376	153,925	127,887	123,901
Revenue (ttm)	US$ in thousands	2,207,100	2,039,447	1,894,195	1,827,892	1,821,072	1,827,072	1,847,623	1,867,499	1,794,148	1,670,640	1,498,744	1,331,057	1,207,798	1,104,337	1,040,237	933,129	844,452	778,147	687,538	642,692
Net profit margin		80.95%	21.29%	21.70%	22.44%	23.47%	24.61%	24.50%	25.06%	24.39%	23.42%	22.40%	20.75%	20.04%	19.22%	19.13%	18.65%	19.47%	19.78%	18.60%	19.28%

December 31, 2024 calculation

Net profit margin = Net income (ttm) ÷ Revenue (ttm)
= $1,786,697K ÷ $2,207,100K
= 80.95%

The net profit margin of Monolithic Power Systems Inc has shown varying trends over the years. It stood at a healthy 19.28% as of March 31, 2020, and dipped slightly to 18.60% by June 30, 2020. Despite this dip, the company managed to improve its net profit margin to 19.78% by September 30, 2020. The margin remained relatively stable around the 19%-20% range for the following quarters until March 31, 2022, where it saw a significant increase to 20.75%. Subsequently, there was a notable surge in net profit margin to 22.40% by June 30, 2022, followed by a continuing upward trend reaching 24.61% by September 30, 2023. However, there was a sudden spike to 80.95% by December 31, 2024, which appears as an outlier compared to the previous quarters. This anomaly may warrant further investigation to understand the underlying factors contributing to such a significant deviation.