Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the computing and storage, automotive, industrial, communications, and consumer markets. The company provides direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as portable electronic devices, wireless LAN access points, computers and notebooks, monitors, infotainment applications, and medical equipment. It also offers lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in notebook computers, monitors, car navigation systems, and televisions, as well as for general illumination products. The company sells its products through third-party distributors and value-added resellers, as well as directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers in China, Taiwan, Europe, South Korea, Southeast Asia, Japan, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.

Monolithic Power Systems, Inc.

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Assets	Sep '25	Jun '25	Mar '25	Dec '24	Sep '24	Jun '24
Cash and Cash Equivalents	1,081.3	787.4	637.4	691.8	700.2	550.5
Cash and Cash Equivalents
Short-Term Investments	188.2	358.7	389.3	171.1	762	756.8
Short-Term Investments
Total Cash and Cash Equivalents	1,269.5	1,146.1	1,026.7	862.9	1,462.3	1,307.2
Accounts Receivable	241.6	194.8	214.9	172.5	164.7	157.9
Accounts Receivable, Net
Total Trade Receivables	241.6	194.8	214.9	172.5	164.7	157.9
Inventories	505.7	490.6	454.8	419.6	424.9	426.8
Inventories
Other Current Assets	96	87.2	92.1	110	108.5	105.5
Other Current Assets
Total Current Assets	2,112.7	1,918.8	1,788.4	1,565.1	2,160.5	1,997.4
Total Current Assets
Net Property, Plant & Equipment	597.3	563.9	527.3	494.9	436.3	400.5
Property and Equipment, Net
Net Intangible Assets	9.1	9.4	9.7	9.9	10.2	10.5
Acquisition-Related Intangible Assets, Net
Goodwill	25.9	25.9	25.9	25.9	26.1	26.1
Goodwill
Long-Term Investments	—	—	—	—	—	—
Long-Term Investments
Other Long-Term Assets	1,461.3	1,454.3	1,454.4	1,521.2	221.7	213.6
Deferred Tax Assets, Net
Other Long-Term Assets
Total Assets	4,206.4	3,972.2	3,805.8	3,617.1	2,854.7	2,648.1
Total Assets

Liabilities	Sep '25	Jun '25	Mar '25	Dec '24	Sep '24	Jun '24
Accounts Payable	141.7	129.9	127.3	102.5	115.9	99.9
Accounts Payable
Accrued Expenses	301.1	253.6	236.1	192	220.7	195.3
Accrued Compensation and Related Benefits
Other Accrued Liabilities
Total Current Liabilities	442.8	383.5	363.4	294.6	336.6	295.2
Total Current Liabilities
Other Long-Term Liabilities	195.6	186.6	175.3	176.8	166.5	157.1
Income Tax Liabilities
Other Long-Term Liabilities
Total Long-Term Liabilities	195.6	186.6	175.3	176.8	166.5	157.1
Total Liabilities	638.4	570.1	538.8	471.3	503.1	452.3
Total Liabilities

Equity	Sep '25	Jun '25	Mar '25	Dec '24	Sep '24	Jun '24
Common Stock	885.1	822.6	765	706.8	1,274.1	1,224.1
Common Stock and Additional Paid-in Capital
Accumulated Other Comprehensive Income	-22.7	-23.7	-43.3	-48.5	-21.2	-44.5
Accumulated Other Comprehensive Loss
Retained Earnings	2,705.5	2,603.2	2,545.4	2,487.5	1,098.8	1,016.2
Retained Earnings
Total Common Shareholders' Equity	3,567.9	3,402.1	3,267	3,145.8	2,351.7	2,195.9
Total Stockholders' Equity
Total Shareholders' Equity	3,567.9	3,402.1	3,267	3,145.8	2,351.7	2,195.9
Total Liabilities and Shareholders' Equity	4,206.4	3,972.2	3,805.8	3,617.1	2,854.7	2,648.1
Total Liabilities and Stockholders' Equity