MONOLITHIC POWER SYSTEMS, INC.

MPWR

MONOLITHIC POWER SYSTEMS, INC.

MPWR

Insider Sentiment (TTM):

Last Purchase:-Last Sale:2026-06-01Shares Purchased (TTM):0Shares Sold (TTM):591,115

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:42,018,936Shares Outstanding:49,097,000Institutional Ownership Pct.:85.58%

Earnings Market Reaction:

Filing Date:2026-08-05Price on Filing Date:N/APrevious Close:N/A% Change:N/A

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Assets Current
Cash And Cash Equivalents At Carrying Value	1,006	1,063	1,099	1,081	787	637	692	700	550	488	528	421
Short Term Investments	408	304	157	188	359	389	171	762	757	798	581	621
Accounts Receivable Net Current	344	302	256	242	195	215	173	165	158	194	180	186
Inventory Net	676	619	565	506	491	455	420	425	427	396	384	397
Other Assets Current	44	43	107	96	87	92	110	108	106	100	147	110
Assets Current	2,477	2,331	2,184	2,113	1,919	1,788	1,565	2,160	1,997	1,976	1,819	1,735
Property Plant And Equipment Net	775	694	628	597	564	527	495	436	401	376	369	358
Intangible Assets Net Excluding Goodwill	8	9	9	9	9	10	10	10	11	10	0	-
Goodwill	26	26	26	26	26	26	26	26	26	27	7	7
Deferred Income Tax Assets Net	1,183	1,183	1,183	1,300	1,310	1,318	1,226	31	30	33	28	24
Other Assets Noncurrent	217	207	165	161	144	136	194	191	184	157	211	204
Assets	4,686	4,449	4,194	4,206	3,972	3,806	3,516	2,855	2,648	2,579	2,434	2,328
Liabilities Current
Accounts Payable Current	182	174	138	142	130	127	103	116	100	103	63	65
Employee Related Liabilities Current	94	99	86	100	81	75	64	81	64	71	56	65
Accrued Liabilities Current	222	214	145	202	172	161	128	139	131	138	116	121
Liabilities Current	498	487	369	443	384	363	295	337	295	312	235	250
Accrued Income Taxes Noncurrent	75	75	75	78	73	70	65	65	60	66	61	56
Deferred Income Tax Liabilities Net	90	90	90	-	-	-	93	-	-	-	-	-
Other Liabilities Noncurrent	128	119	128	117	113	106	112	102	97	87	89	77
Liabilities	791	771	663	638	570	539	565	503	452	465	384	383
Stockholders Equity
Common Stocks Including Additional Paid In Capital	1,033	984	937	885	823	765	707	1,274	1,224	1,176	1,130	1,093
Retained Earnings Accumulated Deficit	2,862	2,704	2,610	2,706	2,603	2,545	2,293	1,099	1,016	978	947	899
Accumulated Other Comprehensive Income Loss Net Of…	1	-10	-15	-23	-24	-43	-49	-21	-44	-41	-27	-47
Stockholders Equity	3,895	3,677	3,531	3,568	3,210	3,074	2,951	2,352	2,196	2,114	2,050	1,945
Liabilities And Stockholders Equity	4,686	4,449	4,194	4,206	3,972	3,806	3,516	2,855	2,648	2,579	2,434	2,328
Common Stock Par Or Stated Value Per Share	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001
Common Stock Shares Authorized	150	150	150	150	150	150	150	150	150	150	150	150
Common Stock Shares Issued	49	49	49	48	48	48	48	49	49	49	48	48
Shares Outstanding	49	49	49	48	48	48	48	49	49	49	48	48

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	-0.45%	-16.52%	-15.09%	-	-	-	-	-	-	-	-	-
2025	5.50%	17.31%	14.15%	0.62%	6.85%	29.64%	-7.20%	-5.38%	6.54%	-6.47%	28.75%	35.91%
2024	6.53%	16.82%	14.54%	17.66%	12.01%	15.30%	-27.72%	-21.98%	-13.43%	0.17%	1.10%	14.69%
2023	-	-	-	-	-	-	13.52%	28.16%	22.14%	-6.63%	-17.69%	1.58%
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Performance and Valuation Metrics

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Metrics	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Liquidity Ratios
Current Ratio	4.98	4.79	5.91	4.77	5.00	4.92	5.31	6.42	6.77	6.34	7.74	6.94
Quick Ratio	3.62	3.52	4.38	3.63	3.72	3.67	3.89	5.16	5.32	5.07	6.11	5.35
Working Capital	1.98B	1.84B	1.81B	1.67B	1.54B	1.42B	1.27B	1.82B	1.70B	1.66B	1.58B	1.49B
Leverage & Debt
Debt to Equity	0.20	0.21	0.19	0.18	0.18	0.18	0.19	0.21	0.21	0.22	0.19	0.20
Debt Ratio	0.17	0.17	0.16	0.15	0.14	0.14	0.16	0.18	0.17	0.18	0.16	0.16
Efficiency & Turnover
Asset Turnover TTM	0.76	0.72	0.72	0.75	0.77	0.75	0.74	0.79	0.78	0.76	0.81	0.86
Days Sales Outstanding TTM	30.02	31.91	28.00	27.86	25.30	31.30	29.14	31.37	31.51	37.81	36.34	33.88
Receivables Turnover TTM	12.16	11.44	13.04	13.10	14.42	11.66	12.53	11.64	11.58	9.65	10.05	10.77
Per Share Metrics
Diluted EPS TTM	16.28	13.80	12.86	35.45	34.76	34.05	32.60	8.87	8.40	8.38	8.76	9.21
Free Cash Flow Per Share TTM	11.92	12.82	13.87	14.72	14.75	13.09	13.22	13.92	12.94	12.39	12.20	10.06
Dividend Per Share TTM	6.33	6.18	5.93	4.42	4.14	5.25	4.95	4.70	4.47	4.08	3.90	3.59
Margin Metrics
Gross Profit Margin TTM	55.20%	55.18%	55.18%	55.24%	55.31%	55.37%	55.32%	55.29%	55.31%	55.52%	56.07%	56.80%
Operating Profit Margin TTM	28.72%	27.09%	26.11%	26.01%	25.98%	25.67%	24.44%	23.81%	24.13%	24.78%	26.45%	27.86%
Net Profit Margin TTM	24.50%	22.98%	22.27%	64.00%	65.62%	68.48%	72.13%	21.29%	21.70%	22.44%	23.47%	24.61%
Growth Metrics
Net Revenue Growth (1Y)	28.67%	23.90%	26.43%	30.48%	34.30%	30.57%	21.20%	11.62%	2.52%	-2.12%	1.50%	9.36%
Net Income Growth (1Y)	-51.96%	-58.42%	-60.96%	292.19%	306.16%	298.57%	272.52%	-3.41%	-9.22%	-12.35%	-2.35%	14.90%
EPS Growth (1Y)	-53.18%	-59.48%	-60.51%	299.22%	312.94%	305.10%	264.94%	-5.34%	-11.46%	-14.88%	-4.16%	12.62%
Valuation Metrics
P/E TTM	84.70	78.86	69.81	25.76	20.84	16.82	17.85	102.37	95.87	79.00	68.97	48.12
P/B TTM	17.44	14.58	12.28	12.29	10.84	8.95	9.63	18.90	17.94	15.33	14.38	11.12
P/S TTM	20.75	18.13	15.55	16.49	13.67	11.52	12.88	21.80	20.80	17.72	16.19	11.84
Market Cap	67.93B	53.60B	43.38B	43.87B	34.78B	27.50B	28.42B	44.46B	39.40B	32.40B	29.48B	21.63B
Enterprise Value	66.92B	52.54B	42.28B	42.79B	33.99B	26.86B	27.73B	43.75B	38.85B	31.91B	28.92B	21.21B
Calculated Values
Free Cash Flow TTM	585.54M	629.55M	666.19M	705.17M	706.30M	626.28M	642.29M	678.92M	629.85M	602.74M	580.64M	480.49M
Net Debt	-1.01B	-1.06B	-1.10B	-1.08B	-787.52M	-637.35M	-691.94M	-700.48M	-550.60M	-488.40M	-561.18M	-421.30M
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
NCAV
NCAV Per Share TTM
Valuation Ratios
P/CF TTM
PEG Ratio
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
EV Revenue TTM
EV FCF TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2026-06-01Sale

Owner: Sciammas, Maurice

Title: EVP, WW Sales & Marketing

Shares: 30

Price/Share: $1533.95

Value: $46,018.50

Shares Owned: 1,179

Relationship: Officer

Ownership: Indirect

2026-05-27Sale

Owner: Tseng, Saria

Title: EVP & General Counsel

Shares: 7,565

Price/Share: $1700.00

Value: $12,860,500.00

Shares Owned: 144,218

Relationship: Officer

Ownership: Direct

2026-05-26Sale

Owner: Dean, Robert W Ii

Title: Interim CFO

Shares: 22

Price/Share: $1649.56

Value: $36,290.32

Shares Owned: 5,878

Relationship: Officer

Ownership: Direct

2026-05-26Sale

Owner: Zhou, Jeff

Title: -

Shares: 486

Price/Share: $1680.00

Value: $816,480.00

Shares Owned: 3,800

Relationship: Director

Ownership: Direct

2026-05-22Sale

Owner: Tseng, Saria

Title: EVP & General Counsel

Shares: 5,000

Price/Share: $1586.43

Value: $7,932,150.00

Shares Owned: 151,783

Relationship: Officer

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2026-06-01	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	30	1533.95	$46,018.50	1,179	4
2026-05-27	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	7,565	1700.00	$12,860,500.00	144,218	4
2026-05-26	Dean, Robert W Ii	Officer	Interim CFO	Direct	Sale	22	1649.56	$36,290.32	5,878	4
2026-05-26	Zhou, Jeff	Director	-	Direct	Sale	486	1680.00	$816,480.00	3,800	4
2026-05-22	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	5,000	1586.43	$7,932,150.00	151,783	4
2026-05-18	Hsing, Michael	Director,Officer	CEO	Direct	Sale	40,000	1492.59	$59,703,600.00	848,263	4
2026-05-18	Dean, Robert W Ii	Officer	Interim CFO	Direct	Sale	4	1563.28	$6,253.12	5,900	4
2026-05-15	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	12,000	1569.24	$18,830,880.00	166,644	4
2026-05-06	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	30,000	1655.12	$49,653,600.00	205,959	4
2026-05-06	Elmiger, Eugen J	Director	-	Direct	Sale	12,000	1581.11	$18,973,320.00	5,402	4
2026-05-06	Zhou, Jeff	Director	-	Direct	Sale	500	1650.00	$825,000.00	4,286	4
2026-05-06	Wynne, Eileen	Director	-	Direct	Sale	335	1582.68	$530,197.80	1,007	4
2026-05-05	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	380	1583.81	$601,847.80	919	4
2026-05-04	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	30	1588.73	$47,661.90	1,209	4
2026-04-08	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	8,963	1296.04	$11,616,406.52	156,983	4
2026-04-06	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	7,636	1160.62	$8,862,494.32	165,946	4
2026-04-01	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	1,400	1134.09	$1,587,726.00	173,582	4
2026-04-01	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	30	1116.44	$33,493.20	1,239	4
2026-03-30	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	25,674	1020.22	$26,193,128.28	174,982	4
2026-03-20	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	30	1095.07	$32,852.10	1,269	4
2026-02-12	Hsing, Michael	Director,Officer	CEO	Direct	Sale	33,000	1184.99	$39,104,670.00	888,234	4
2026-02-11	Hsing, Michael	Director,Officer	CEO	Direct	Sale	33,000	1180.38	$38,952,540.00	921,234	4
2026-02-11	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	200	1179.98	$235,996.00	1,299	4
2026-02-10	Hsing, Michael	Director,Officer	CEO	Direct	Sale	34,000	1155.26	$39,278,840.00	954,234	4
2026-02-09	Lee, Victor K	Director	-	Direct	Sale	400	1212.16	$484,864.00	27,756	4
2026-02-06	Hsing, Michael	Director,Officer	CEO	Direct	Sale	54,923	1171.16	$64,323,620.68	988,234	4
2026-02-06	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	22,875	1171.16	$26,790,285.00	200,626	4
2026-02-06	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	22,875	1171.16	$26,790,285.00	235,932	4
2026-02-06	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	22,875	1171.16	$26,790,285.00	178,625	4
2026-02-06	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	21,725	1171.16	$25,443,451.00	82,353	4
2026-02-02	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	3,000	1129.09	$3,387,270.00	65,333	4
2026-01-02	Lee, Victor K	Director	-	Direct	Sale	600	930.86	$558,516.00	27,967	4
2026-01-02	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	3,000	938.71	$2,816,130.00	68,332	4
2025-12-24	Lee, Victor K	Director	-	Direct	Sale	1,000	952.18	$952,180.00	28,567	4
2025-12-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	3,000	905.29	$2,715,870.00	71,332	4
2025-11-26	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	20,000	926.44	$18,528,800.00	167,331	4
2025-11-25	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	100	896.97	$89,697.00	426	4
2025-11-25	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	20,000	903.43	$18,068,600.00	187,331	4
2025-11-24	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	3,976	895.23	$3,559,434.48	144,330	4
2025-11-21	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	100	873.97	$87,397.00	526	4
2025-11-19	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	27,966	880.92	$24,635,808.72	148,306	4
2025-11-12	Hsing, Michael	Director,Officer	CEO	Direct	Sale	37,000	967.03	$35,780,110.00	918,669	4
2025-11-11	Hsing, Michael	Director,Officer	CEO	Direct	Sale	40,000	959.50	$38,380,000.00	955,669	4
2025-11-05	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	200	986.81	$197,362.00	1,299	4
2025-11-03	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	3,000	1025.40	$3,076,200.00	74,332	4
2025-10-24	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	1,300	1087.62	$1,413,906.00	126,354	4
2025-10-16	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	2,812	1026.03	$2,885,196.36	127,654	4
2025-10-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	3,000	910.33	$2,730,990.00	37,940	4
2025-09-18	Martinez, Carintia	Director	-	Direct	Sale	1,400	900.00	$1,260,000.00	878	4
2025-09-18	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	14,510	914.45	$13,268,669.50	144,494	4
2025-09-02	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	3,000	813.62	$2,440,860.00	40,939	4
2025-08-29	Elmiger, Eugen J	Director	-	Direct	Sale	4,000	846.86	$3,387,440.00	17,213	4
2025-08-27	Zhou, Jeff	Director	-	Direct	Sale	193	870.00	$167,910.00	5,611	4
2025-08-15	Hsing, Michael	Director,Officer	CEO	Direct	Sale	20,231	830.68	$16,805,487.08	814,667	4
2025-08-13	Zhou, Jeff	Director	-	Direct	Sale	400	850.00	$340,000.00	5,804	4
2025-08-12	Zhou, Jeff	Director	-	Direct	Sale	200	830.00	$166,000.00	6,204	4
2025-08-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	3,000	750.00	$2,250,000.00	43,939	4
2025-08-01	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	39,999	780.00	$31,199,220.00	121,605	4
2025-07-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	6,000	750.00	$4,500,000.00	46,939	4
2025-05-13	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	50	738.00	$36,900.00	626	4
2025-05-12	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	100	698.00	$69,800.00	676	4
2025-05-12	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	12,000	701.00	$8,412,000.00	4,015	4
2025-05-08	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	100	650.00	$65,000.00	776	4
2025-02-18	Hsing, Michael	Director,Officer	CEO	Direct	Sale	5,200	700.00	$3,640,000.00	834,898	4
2025-02-10	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,594	717.10	$1,860,157.40	840,071	4
2025-02-10	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	662	717.10	$474,720.20	102,301	4
2025-02-10	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	532	717.10	$381,497.20	52,912	4
2025-02-10	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	662	717.10	$474,720.20	161,577	4
2025-02-10	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	663	717.10	$475,437.30	158,977	4
2025-02-07	Hsing, Michael	Director,Officer	CEO	Direct	Sale	11,964	700.00	$8,374,800.00	842,665	4
2025-02-07	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Indirect	Sale	7,000	703.07	$4,921,490.00	16,015	4
2025-01-24	Hsing, Michael	Director,Officer	CEO	Direct	Sale	3,636	700.00	$2,545,200.00	854,629	4
2024-12-09	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,500	600.00	$1,500,000.00	53,444	4
2024-11-08	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,812	765.15	$2,151,601.80	858,265	4
2024-11-08	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	866	765.14	$662,611.24	102,963	4
2024-11-08	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	866	765.14	$662,611.24	162,239	4
2024-11-08	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	734	765.15	$561,620.10	55,944	4
2024-11-08	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	866	765.14	$662,611.24	159,640	4
2024-11-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,500	771.78	$1,929,450.00	56,678	4
2024-10-07	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	11,000	929.37	$10,223,070.00	103,829	4
2024-10-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,500	909.03	$2,272,575.00	59,178	4
2024-09-03	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,500	904.49	$2,261,225.00	61,678	4
2024-08-27	Xiao, Deming	Officer	EVP, Global Operations	Indirect	Sale	9,259	950.00	$8,796,050.00	20,455	4
2024-08-22	Xiao, Deming	Officer	EVP, Global Operations	Indirect	Sale	10,000	950.00	$9,500,000.00	29,714	4
2024-08-16	Hsing, Michael	Director,Officer	CEO	Direct	Sale	100	823.27	$82,327.00	864,009	4
2024-08-15	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	200	893.44	$178,688.00	541	4
2024-08-08	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	859	778.39	$668,637.01	202,354	4
2024-08-08	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	859	778.39	$668,637.01	160,506	4
2024-08-08	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,790	778.39	$2,171,708.10	865,332	4
2024-08-08	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	728	778.39	$566,667.92	64,178	4
2024-08-08	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	859	778.39	$668,637.01	114,812	4
2024-08-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,500	852.74	$2,131,850.00	64,906	4
2024-07-22	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,580	831.58	$2,145,476.40	67,406	4
2024-07-22	Hsing, Michael	Director,Officer	CEO	Direct	Sale	9,614	831.58	$7,994,810.12	868,122	4
2024-07-22	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	3,205	831.58	$2,665,213.90	203,213	4
2024-07-22	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	3,205	831.58	$2,665,213.90	161,365	4
2024-07-22	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	3,205	831.58	$2,665,213.90	115,671	4
2024-07-08	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	10,999	844.00	$9,283,156.00	118,876	4
2024-07-02	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	1,858	824.65	$1,532,199.70	164,570	4
2024-07-01	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	37,093	804.74	$29,850,220.82	166,428	4
2024-07-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,500	802.65	$2,006,625.00	69,986	4
2024-07-01	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,672	802.10	$2,143,211.20	877,736	4
2024-06-28	Lee, Victor K	Director	-	Direct	Sale	1,000	820.46	$820,460.00	29,232	4
2024-06-10	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	84	741.66	$62,299.44	72,656	4
2024-06-03	Hsing, Michael	Director,Officer	CEO	Direct	Sale	8,000	730.12	$5,840,960.00	880,408	4
2024-05-22	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	1,300	769.40	$1,000,220.00	206,418	4
2024-05-20	Zhou, Jeff	Director	-	Direct	Sale	200	750.00	$150,000.00	6,069	4
2024-05-20	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	200	750.00	$150,000.00	741	4
2024-05-15	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	200	735.00	$147,000.00	941	4
2024-05-08	Tseng, Saria	Officer	EVP & General Counsel	Direct	Sale	869	690.02	$599,627.38	203,521	4
2024-05-08	Sciammas, Maurice	Officer	EVP, WW Sales & Marketing	Direct	Sale	869	690.00	$599,610.00	129,875	4
2024-05-08	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,824	690.00	$1,948,560.00	888,408	4
2024-05-08	Xiao, Deming	Officer	EVP, Global Operations	Direct	Sale	869	690.02	$599,627.38	207,747	4
2024-05-08	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	737	689.98	$508,515.26	74,986	4
2024-05-01	Blegen, Theodore	Officer	EVP and CFO	Direct	Sale	2,500	663.66	$1,659,150.00	75,723	4
2024-05-01	Hsing, Michael	Director,Officer	CEO	Direct	Sale	8,000	661.52	$5,292,160.00	891,232	4
2024-04-08	Sciammas, Maurice	Officer	EVP of Sales and Marketing	Direct	Sale	11,000	681.06	$7,491,660.00	130,744	4
2024-04-01	Hsing, Michael	Director,Officer	CEO	Direct	Sale	8,000	678.76	$5,430,080.00	899,232	4
2024-04-01	Blegen, Theodore	Officer	EVP & CFO	Direct	Sale	2,500	678.03	$1,695,075.00	78,223	4
2024-03-01	Hsing, Michael	Director,Officer	CEO	Direct	Sale	8,000	724.87	$5,798,960.00	907,232	4
2024-03-01	Blegen, Theodore	Officer	CFO	Direct	Sale	2,500	725.57	$1,813,925.00	80,723	4
2024-02-29	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	250	706.34	$176,585.00	1,141	4
2024-02-22	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	250	750.00	$187,500.00	1,391	4
2024-02-12	Zhou, Jeff	Director	-	Direct	Sale	200	750.57	$150,114.00	6,269	4
2024-02-08	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	859	680.00	$584,120.00	141,718	4
2024-02-08	Blegen, Theodore	Officer	CFO	Direct	Sale	728	680.00	$495,040.00	83,173	4
2024-02-08	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	859	680.00	$584,120.00	208,580	4
2024-02-08	Tseng, Saria	Officer	Executive VP & General Counsel	Direct	Sale	859	680.00	$584,120.00	204,339	4
2024-02-08	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,790	680.00	$1,897,200.00	915,193	4
2024-02-05	Hsing, Michael	Director,Officer	CEO	Direct	Sale	3,791	641.00	$2,430,031.00	917,983	4
2024-02-05	Tseng, Saria	Officer	Executive VP & General Counsel	Direct	Sale	982	641.00	$629,462.00	205,198	4
2024-02-05	Blegen, Theodore	Officer	CFO	Direct	Sale	867	641.00	$555,747.00	83,901	4
2024-02-05	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	982	641.00	$629,462.00	209,439	4
2024-02-05	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	982	641.00	$629,462.00	142,577	4
2024-02-01	Hsing, Michael	Director,Officer	CEO	Direct	Sale	8,000	602.34	$4,818,720.00	921,774	4
2024-02-01	Blegen, Theodore	Officer	CFO	Direct	Sale	2,500	604.80	$1,512,000.00	84,768	4
2024-01-12	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	11,000	583.74	$6,421,140.00	143,559	4
2024-01-10	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	11,515	590.35	$6,797,880.25	210,421	4
2024-01-09	Tseng, Saria	Officer	Executive VP & General Counsel	Direct	Sale	1,390	600.00	$834,000.00	206,180	4
2024-01-05	Hsing, Michael	Director,Officer	CEO	Direct	Sale	8,000	573.02	$4,584,160.00	929,772	4
2024-01-04	Blegen, Theodore	Officer	CFO	Direct	Sale	27,613	583.14	$16,102,244.82	87,268	4
2024-01-04	Tseng, Saria	Officer	Executive VP & General Counsel	Direct	Sale	25,314	583.14	$14,761,605.96	207,570	4
2024-01-04	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	27,659	583.14	$16,129,069.26	154,559	4
2024-01-04	Hsing, Michael	Director,Officer	CEO	Direct	Sale	58,654	583.14	$34,203,493.56	937,772	4
2024-01-04	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	25,314	583.14	$14,761,605.96	221,936	4
2024-01-02	Blegen, Theodore	Officer	CFO	Direct	Sale	2,500	615.08	$1,537,700.00	114,881	4
2023-12-18	Blegen, Theodore	Officer	CFO	Direct	Sale	2,500	631.07	$1,577,675.00	117,381	4
2023-12-13	Tseng, Saria	Officer	Executive VP & General Counsel	Direct	Sale	18,610	600.00	$11,166,000.00	232,884	4
2023-11-16	Moyer, James C	Director	-	Indirect	Sale	3,800	539.37	$2,049,606.00	0	4
2023-11-14	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	400	523.64	$209,456.00	1,293	4
2023-11-13	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	100	510.00	$51,000.00	1,693	4
2023-11-08	Blegen, Theodore	Officer	CFO	Direct	Sale	712	490.39	$349,157.68	119,881	4
2023-11-08	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	859	490.39	$421,245.01	182,218	4
2023-11-08	Tseng, Saria	Officer	VP & General Counsel	Direct	Sale	859	490.39	$421,245.01	251,494	4
2023-11-08	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,790	490.39	$1,368,188.10	996,426	4
2023-11-08	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	859	490.39	$421,245.01	250,641	4
2023-11-06	Tseng, Saria	Officer	VP & General Counsel	Direct	Sale	982	492.92	$484,047.44	252,353	4
2023-11-06	Blegen, Theodore	Officer	CFO	Direct	Sale	847	492.92	$417,503.24	120,593	4
2023-11-06	Hsing, Michael	Director,Officer	CEO	Direct	Sale	3,790	492.92	$1,868,166.80	999,216	4
2023-11-06	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	982	492.92	$484,047.44	183,077	4
2023-11-06	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	982	492.92	$484,047.44	251,500	4
2023-10-02	Blegen, Theodore	Officer	CFO	Direct	Sale	905	458.30	$414,761.50	121,440	4
2023-10-02	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	4,305	458.30	$1,972,981.50	252,482	4
2023-10-02	Tseng, Saria	Officer	VP & General Counsel	Direct	Sale	4,305	458.30	$1,972,981.50	253,335	4
2023-10-02	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	4,305	458.30	$1,972,981.50	184,059	4
2023-10-02	Hsing, Michael	Director,Officer	CEO	Direct	Sale	10,960	458.30	$5,022,968.00	1,003,006	4
2023-08-29	Chang, Kuo Wei Herbert	Director	-	Direct	Sale	500	500.00	$250,000.00	1,793	4
2023-08-08	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	874	530.26	$463,447.24	256,770	4
2023-08-08	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	874	530.26	$463,447.24	188,339	4
2023-08-08	Tseng, Saria	Officer	VP & General Counsel	Direct	Sale	874	530.27	$463,455.98	257,623	4
2023-08-08	Blegen, Theodore	Officer	CFO	Direct	Sale	724	530.28	$383,922.72	122,345	4
2023-08-08	Hsing, Michael	Director,Officer	CEO	Direct	Sale	2,836	530.26	$1,503,817.36	1,013,951	4
2023-08-04	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	988	526.52	$520,201.76	189,213	4
2023-08-04	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	988	526.53	$520,211.64	257,644	4
2023-08-04	Hsing, Michael	Director,Officer	CEO	Direct	Sale	3,815	526.54	$2,008,750.10	1,016,787	4
2023-08-04	Blegen, Theodore	Officer	CFO	Direct	Sale	852	526.52	$448,595.04	123,069	4
2023-08-04	Tseng, Saria	Officer	VP & General Counsel	Direct	Sale	988	526.52	$520,201.76	258,497	4
2023-07-21	Tseng, Saria	Officer	VP & General Counsel	Direct	Sale	9,615	534.23	$5,136,621.45	259,485	4
2023-07-21	Hsing, Michael	Director,Officer	CEO	Direct	Sale	28,845	534.23	$15,409,864.35	1,020,602	4
2023-07-21	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	9,843	534.23	$5,258,425.89	190,201	4
2023-07-21	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	9,615	534.23	$5,136,621.45	258,632	4
2023-07-21	Blegen, Theodore	Officer	CFO	Direct	Sale	7,575	534.23	$4,046,792.25	123,921	4
2023-07-03	Hsing, Michael	Director,Officer	CEO	Direct	Sale	10,960	537.79	$5,894,178.40	1,049,447	4
2023-07-03	Blegen, Theodore	Officer	CFO	Direct	Sale	905	537.79	$486,699.95	131,496	4
2023-07-03	Tseng, Saria	Officer	VP & General Counsel	Direct	Sale	4,305	537.79	$2,315,185.95	269,100	4
2023-07-03	Sciammas, Maurice	Officer	Sr. V.P.of Sales and Marketing	Direct	Sale	4,305	537.79	$2,315,185.95	200,044	4
2023-07-03	Xiao, Deming	Officer	Pres. of MPS Asia Operations	Direct	Sale	4,305	537.79	$2,315,185.95	268,247	4
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Institutional Ownership

No data available for chart

2026-03-31

85.58%

Inst. Shares: 42,018,936

Shares Outstanding: 49,097,000

2025-12-31

90.15%

Inst. Shares: 43,304,907

Shares Outstanding: 48,035,000

2025-09-30

89.50%

Inst. Shares: 42,866,850

Shares Outstanding: 47,898,000

2025-06-30

87.61%

Inst. Shares: 41,952,096

Shares Outstanding: 47,887,000

2025-03-31

85.96%

Inst. Shares: 41,131,010

Shares Outstanding: 47,851,000

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	42,018,936	49,097,000	85.58%
2025-12-31	43,304,907	48,035,000	90.15%
2025-09-30	42,866,850	47,898,000	89.50%
2025-06-30	41,952,096	47,887,000	87.61%
2025-03-31	41,131,010	47,851,000	85.96%
2024-12-31	42,324,026	48,599,000	87.09%
2024-09-30	41,963,753	48,757,000	86.07%
2024-06-30	42,998,244	48,687,000	88.32%
2024-03-31	40,622,481	48,635,000	83.53%
2023-12-31	40,550,319	47,610,000	85.17%
2023-09-30	41,153,074	47,780,000	86.13%
2023-06-30	41,555,322	47,489,000	87.51%
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MONOLITHIC POWER SYSTEMS, INC. (MPWR) — SEC Financial Statements & Analysis

MONOLITHIC POWER SYSTEMS, INC. (MPWR) is a semiconductors & related devices company, incorporated in DE. MONOLITHIC POWER SYSTEMS, INC. trades on Nasdaq as: MPWR. Based on its latest SEC filing (Form 10-Q, period ending 2026-06-30), MONOLITHIC POWER SYSTEMS, INC. reported a 28.67% year-over-year revenue growth, a Gross Profit Margin of 55.20% (TTM), a Debt-to-Equity ratio of 0.20x, a Price-to-Sales (P/S) ratio of 20.75x (TTM), a Price-to-Book (P/B) ratio of 17.44x (TTM), at a market cap of $67.93B. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: 28.67%
Gross Profit Margin TTM: 55.20%
Debt To Equity: 0.20x
P/S TTM: 20.75x
P/B TTM: 17.44x
Market Cap: $67.93B

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is MONOLITHIC POWER SYSTEMS, INC. in?

MONOLITHIC POWER SYSTEMS, INC. (MPWR) operates in the Semiconductors & Related Devices industry.

What is MPWR's market cap?

MONOLITHIC POWER SYSTEMS, INC. (MPWR) has a market capitalization of $67.93B as of 2026-06-30.

What is MPWR's P/E ratio?

MONOLITHIC POWER SYSTEMS, INC. (MPWR)'s trailing twelve month P/E ratio is 84.70x as of 2026-06-30.

What exchange does MPWR trade on?

MONOLITHIC POWER SYSTEMS, INC. (MPWR) trades on the Nasdaq.

Where is MONOLITHIC POWER SYSTEMS, INC. incorporated?

MONOLITHIC POWER SYSTEMS, INC. is incorporated in DE.