MPWR Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 3.60%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $373,149,830.86

Monolithic Power Systems Insider Trading History Chart

Monolithic Power Systems Share Price & Price History

^$1,335.03

▼ -9.34 (-0.69%)

As of 08/4/2026 04:00 PM ET

Days: 30 | 90 | 365

Monolithic Power Systems Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
7/1/2026	Maurice Sciammas	EVP	Sell	30	$1,351.61	$40,548.30	1,149
6/1/2026	Maurice Sciammas	EVP	Sell	30	$1,533.95	$46,018.50	1,179
5/27/2026	Saria Tseng	EVP	Sell	7,565	$1,700.00	$12,860,500.00	144,218
5/26/2026	Jeff Zhou	Director	Sell	486	$1,680.00	$816,480.00	3,800
5/22/2026	Saria Tseng	EVP	Sell	5,000	$1,586.43	$7,932,150.00	151,783
5/15/2026	Maurice Sciammas	EVP	Sell	12,000	$1,561.40	$18,736,800.00	166,644
5/6/2026	Deming Xiao	EVP	Sell	30,000	$1,654.55	$49,636,500.00	205,959
5/6/2026	Eileen Wynne	Director	Sell	335	$1,582.68	$530,197.80	1,007
5/6/2026	Eugen J Elmiger	Director	Sell	12,000	$1,584.96	$19,019,520.00	5,402
5/6/2026	Jeff Zhou	Director	Sell	500	$1,650.00	$825,000.00	4,286
5/5/2026	Jeff Zhou	Director	Sell	1,014	$1,587.06	$1,609,278.84	4,786
5/5/2026	Maurice Sciammas	EVP	Sell	380	$1,583.81	$601,847.80	919
5/4/2026	Maurice Sciammas	EVP	Sell	30	$1,588.73	$47,661.90	1,209
4/8/2026	Saria Tseng	EVP	Sell	8,963	$1,305.22	$11,698,686.86	156,983
4/6/2026	Saria Tseng	EVP	Sell	7,636	$1,167.95	$8,918,466.20	165,946
4/1/2026	Maurice Sciammas	EVP	Sell	30	$1,116.44	$33,493.20	1,239
4/1/2026	Saria Tseng	EVP	Sell	1,400	$1,133.52	$1,586,928.00	173,582
3/30/2026	Saria Tseng	EVP	Sell	25,674	$1,010.50	$25,943,577.00	174,982
3/20/2026	Maurice Sciammas	EVP	Sell	30	$1,095.07	$32,852.10	1,269
2/11/2026	Maurice Sciammas	EVP	Sell	200	$1,179.97	$235,994.00	1,299
2/9/2026	Victor K. Lee	Director	Sell	400	$1,212.16	$484,864.00	27,756
2/6/2026	Deming Xiao	EVP	Sell	22,875	$1,171.16	$26,790,285.00	235,932
2/6/2026	Maurice Sciammas	EVP	Sell	22,875	$1,171.16	$26,790,285.00	178,625
2/6/2026	Saria Tseng	EVP	Sell	22,875	$1,171.16	$26,790,285.00	200,626
2/6/2026	Theodore Blegen	CFO	Sell	21,725	$1,171.16	$25,443,451.00	82,353
2/2/2026	Theodore Blegen	CFO	Sell	3,000	$1,129.76	$3,389,280.00	65,333
1/2/2026	Theodore Blegen	CFO	Sell	3,000	$940.47	$2,821,410.00	68,332
1/2/2026	Victor K. Lee	Director	Sell	600	$930.86	$558,516.00	27,967
12/24/2025	Victor K. Lee	Director	Sell	1,000	$951.72	$951,720.00	28,567
12/1/2025	Theodore Blegen	CFO	Sell	3,000	$908.21	$2,724,630.00	71,332
11/26/2025	Saria Tseng	EVP	Sell	20,000	$926.47	$18,529,400.00	187,331
11/25/2025	Kuo Wei Herbert Chang	Director	Sell	100	$896.97	$89,697.00	426
11/24/2025	Maurice Sciammas	EVP	Sell	3,976	$895.23	$3,559,434.48	144,330
11/21/2025	Kuo Wei Herbert Chang	Director	Sell	100	$873.97	$87,397.00	526
11/19/2025	Maurice Sciammas	EVP	Sell	27,966	$881.66	$24,656,503.56	148,306
11/19/2025	Maurice Sciammas	EVP	Sell	7,034	$870.21	$6,121,057.14	176,272
11/5/2025	Maurice Sciammas	EVP	Sell	200	$986.81	$197,362.00	1,299
11/3/2025	Theodore Blegen	CFO	Sell	3,000	$1,024.43	$3,073,290.00	74,332
10/24/2025	Saria Tseng	EVP	Sell	1,300	$1,087.62	$1,413,906.00	126,354
10/16/2025	Saria Tseng	EVP	Sell	2,812	$1,025.72	$2,884,324.64	127,654
10/15/2025	Saria Tseng	EVP	Sell	14,028	$1,016.18	$14,254,973.04	130,466
10/1/2025	Theodore Blegen	CFO	Sell	3,000	$913.22	$2,739,660.00	37,940
9/18/2025	Carintia Martinez	Director	Sell	1,400	$900.00	$1,260,000.00	878
9/18/2025	Saria Tseng	EVP	Sell	14,510	$914.45	$13,268,669.50	144,494
9/2/2025	Theodore Blegen	CFO	Sell	3,000	$814.34	$2,443,020.00	40,939
8/27/2025	Jeff Zhou	Director	Sell	193	$870.00	$167,910.00	5,611
8/13/2025	Jeff Zhou	Director	Sell	400	$850.00	$340,000.00	5,804
8/12/2025	Jeff Zhou	Director	Sell	200	$830.00	$166,000.00	6,204
8/1/2025	Deming Xiao	EVP	Sell	39,999	$780.00	$31,199,220.00	121,605
8/1/2025	Theodore Blegen	CFO	Sell	3,000	$750.00	$2,250,000.00	43,939
7/1/2025	Theodore Blegen	CFO	Sell	6,000	$750.00	$4,500,000.00	46,939
5/12/2025	Kuo Wei Herbert Chang	Director	Sell	100	$698.00	$69,800.00	676
5/12/2025	Maurice Sciammas	EVP	Sell	12,000	$701.00	$8,412,000.00	4,015
5/8/2025	Kuo Wei Herbert Chang	Director	Sell	100	$650.00	$65,000.00	776
2/7/2025	Maurice Sciammas	EVP	Sell	7,000	$701.98	$4,913,860.00	16,015
12/9/2024	Theodore Blegen	CFO	Sell	2,500	$600.00	$1,500,000.00	53,444
11/8/2024	Deming Xiao	EVP	Sell	866	$765.14	$662,611.24	162,239
11/8/2024	Theodore Blegen	CFO	Sell	734	$765.15	$561,620.10	55,944
11/1/2024	Theodore Blegen	CFO	Sell	2,500	$772.96	$1,932,400.00	56,678
10/7/2024	Maurice Sciammas	EVP	Sell	11,000	$929.59	$10,225,490.00	103,829
10/1/2024	Theodore Blegen	CFO	Sell	2,500	$908.36	$2,270,900.00	59,178
9/3/2024	Theodore Blegen	CFO	Sell	2,500	$904.20	$2,260,500.00	61,678
8/27/2024	Deming Xiao	EVP	Sell	9,259	$950.00	$8,796,050.00	20,455
8/22/2024	Deming Xiao	EVP	Sell	10,000	$950.00	$9,500,000.00	29,714
8/8/2024	Deming Xiao	EVP	Sell	859	$778.39	$668,637.01	202,354
8/8/2024	Michael Hsing	CEO	Sell	2,790	$778.39	$2,171,708.10	865,332
8/8/2024	Theodore Blegen	CFO	Sell	728	$778.39	$566,667.92	64,178
8/1/2024	Theodore Blegen	CFO	Sell	2,500	$852.51	$2,131,275.00	64,906
7/22/2024	Deming Xiao	EVP	Sell	3,205	$831.58	$2,665,213.90	203,213
7/22/2024	Michael Hsing	CEO	Sell	9,614	$831.58	$7,994,810.12	868,122
7/22/2024	Theodore Blegen	CFO	Sell	2,580	$831.58	$2,145,476.40	67,406
7/8/2024	Maurice Sciammas	EVP	Sell	10,999	$843.83	$9,281,286.17	118,876
7/1/2024	Michael Hsing	CEO	Sell	2,672	$804.57	$2,149,811.04	877,736
7/1/2024	Saria Tseng	EVP	Sell	37,093	$808.20	$29,978,562.60	166,428
7/1/2024	Theodore Blegen	CFO	Sell	2,500	$804.19	$2,010,475.00	69,986
6/28/2024	Victor K. Lee	Director	Sell	1,000	$820.46	$820,460.00	29,232
6/3/2024	Michael Hsing	CEO	Sell	8,000	$731.08	$5,848,640.00	880,408
6/3/2024	Theodore Blegen	CFO	Sell	2,416	$731.43	$1,767,134.88	72,486
5/22/2024	Deming Xiao	EVP	Sell	1,300	$769.40	$1,000,220.00	206,418
5/20/2024	Jeff Zhou	Director	Sell	200	$750.00	$150,000.00	6,069
5/15/2024	Kuo Wei Herbert Chang	Director	Sell	200	$735.00	$147,000.00	941
5/8/2024	Michael Hsing	CEO	Sell	2,824	$690.00	$1,948,560.00	888,408
5/8/2024	Saria Tseng	EVP	Sell	869	$690.02	$599,627.38	203,521
5/8/2024	Theodore Blegen	CFO	Sell	737	$689.98	$508,515.26	74,986
5/1/2024	Michael Hsing	CEO	Sell	8,000	$661.85	$5,294,800.00	891,232
5/1/2024	Theodore Blegen	CFO	Sell	2,500	$663.29	$1,658,225.00	75,723
4/8/2024	Maurice Sciammas	EVP	Sell	11,000	$681.83	$7,500,130.00	130,744
4/1/2024	Michael Hsing	CEO	Sell	8,000	$677.44	$5,419,520.00	899,232
3/1/2024	Michael Hsing	CEO	Sell	8,000	$726.08	$5,808,640.00	907,232
3/1/2024	Theodore Blegen	CFO	Sell	2,500	$725.76	$1,814,400.00	80,723
2/29/2024	Kuo Wei Herbert Chang	Director	Sell	250	$706.34	$176,585.00	1,141
2/22/2024	Kuo Wei Herbert Chang	Director	Sell	250	$750.00	$187,500.00	1,391
2/12/2024	Jeff Zhou	Director	Sell	200	$750.57	$150,114.00	6,269
2/8/2024	Deming Xiao	Insider	Sell	859	$680.00	$584,120.00	208,580
2/8/2024	Michael Hsing	CEO	Sell	2,790	$680.00	$1,897,200.00	915,193
2/8/2024	Theodore Blegen	CFO	Sell	728	$680.00	$495,040.00	83,173
2/1/2024	Michael Hsing	CEO	Sell	8,000	$602.01	$4,816,080.00	921,774
2/1/2024	Theodore Blegen	CFO	Sell	2,500	$603.26	$1,508,150.00	84,768
1/12/2024	Maurice Sciammas	VP	Sell	11,000	$582.11	$6,403,210.00	143,559
1/10/2024	Deming Xiao	Insider	Sell	11,515	$589.35	$6,786,365.25	210,421
1/9/2024	Saria Tseng	VP	Sell	1,390	$600.00	$834,000.00	206,180
1/4/2024	Michael Hsing	CEO	Sell	58,654	$583.14	$34,203,493.56	937,772
1/4/2024	Saria Tseng	VP	Sell	25,314	$583.14	$14,761,605.96	207,570
1/4/2024	Theodore Blegen	CFO	Sell	27,613	$583.14	$16,102,244.82	87,268
1/2/2024	Theodore Blegen	CFO	Sell	2,500	$615.71	$1,539,275.00	114,881
12/18/2023	Theodore Blegen	CFO	Sell	2,500	$631.36	$1,578,400.00	117,381
12/13/2023	Saria Tseng	VP	Sell	18,610	$600.00	$11,166,000.00	232,884
11/16/2023	James C Moyer	Director	Sell	3,800	$538.94	$2,047,972.00	470
11/13/2023	Kuo Wei Herbert Chang	Director	Sell	100	$510.00	$51,000.00	1,693
11/8/2023	Maurice Sciammas	VP	Sell	859	$490.39	$421,245.01	182,218
11/8/2023	Michael Hsing	CEO	Sell	2,790	$490.39	$1,368,188.10	996,426
11/8/2023	Theodore Blegen	CFO	Sell	712	$490.39	$349,157.68	119,881
11/6/2023	Deming Xiao	Insider	Sell	982	$492.92	$484,047.44	251,500
11/6/2023	Michael Hsing	CEO	Sell	3,790	$492.92	$1,868,166.80	999,216
11/6/2023	Theodore Blegen	CFO	Sell	847	$492.92	$417,503.24	120,593
10/2/2023	Maurice Sciammas	VP	Sell	4,305	$458.30	$1,972,981.50	184,059
10/2/2023	Michael Hsing	CEO	Sell	10,960	$458.30	$5,022,968.00	1,003,006
10/2/2023	Theodore Blegen	CFO	Sell	905	$458.30	$414,761.50	121,440
8/29/2023	Kuo Wei Herbert Chang	Director	Sell	500	$500.00	$250,000.00	1,793
8/8/2023	Maurice Sciammas	VP	Sell	874	$530.26	$463,447.24	188,339
8/8/2023	Michael Hsing	CEO	Sell	2,836	$530.26	$1,503,817.36	1,013,951
8/8/2023	Theodore Blegen	CFO	Sell	724	$530.28	$383,922.72	122,345
8/4/2023	Michael Hsing	CEO	Sell	3,815	$526.54	$2,008,750.10	1,016,787
8/4/2023	Saria Tseng	VP	Sell	988	$526.52	$520,201.76	258,497
8/4/2023	Theodore Blegen	CFO	Sell	852	$526.52	$448,595.04	123,069

SEC Filings (Institutional Ownership Changes) for Monolithic Power Systems (NASDAQ:MPWR)

93.46% of Monolithic Power Systems stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Monolithic Power Systems Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
8/1/2026	Mirabella Financial Services LLP	157	$0.22M	0.0%	-94.7%	0.000%
8/1/2026	Daymark Wealth Partners LLC	244	$0.34M	0.0%	N/A	0.000%
8/1/2026	Mitchell Capital Management Co.	3,961	$5.48M	0.8%	-26.4%	0.008%
8/1/2026	Elevate Capital Advisors LLC	345	$0.48M	0.3%	-13.1%	0.001%
8/1/2026	MGO One Seven LLC	1,337	$1.85M	0.0%	-4.1%	0.003%
7/31/2026	Diversified Enterprises LLC	208	$0.29M	0.0%	+7.8%	0.000%
7/31/2026	Harfst & Associates Inc.	3,124	$4.32M	0.7%	-5.0%	0.006%
7/31/2026	Simmons Bank	1,251	$1.73M	0.1%	+7.3%	0.003%
7/31/2026	Jacobi Capital Management LLC	202	$0.28M	0.0%	-12.9%	0.000%
7/31/2026	Zions Bancorporation National Association UT	94	$0.13M	0.0%	-29.3%	0.000%
7/31/2026	Aberdeen Group plc	41,854	$57.86M	0.1%	+6.2%	0.085%
7/31/2026	Calamos Advisors LLC	3,122	$4.32M	0.0%	-28.5%	0.006%
7/31/2026	Kornitzer Capital Management Inc. KS	5,010	$6.93M	0.1%	+19.9%	0.010%
7/31/2026	Daiwa Securities Group Inc.	17,286	$23.90M	0.0%	+15.2%	0.035%
7/31/2026	State of Michigan Retirement System	12,811	$17.71M	0.1%	-8.3%	0.026%
7/31/2026	LCM Capital Management Inc	186	$0.26M	0.1%	N/A	0.000%
7/30/2026	Torray Investment Partners LLC	3,715	$5.14M	0.7%	+0.2%	0.008%
7/30/2026	Left Brain Wealth Management LLC	7,491	$10.36M	3.1%	+152.0%	0.015%
7/30/2026	Pictet Asset Management Holding SA	100,736	$139.23M	0.1%	-16.7%	0.205%
7/30/2026	Assetmark Inc.	19,462	$26.90M	0.0%	-4.2%	0.040%
7/30/2026	Tokio Marine Asset Management Co. Ltd.	1,952	$2.70M	0.1%	+1.3%	0.004%
7/30/2026	Chicago Partners Investment Group LLC	722	$1.01M	0.0%	-3.2%	0.001%
7/30/2026	Sumitomo Mitsui Trust Group Inc.	110,819	$153.19M	0.1%	-3.2%	0.226%
7/30/2026	Diversify Wealth Management LLC	697	$0.93M	0.0%	-60.4%	0.001%
7/30/2026	Sovran Advisors LLC	414	$0.53M	0.0%	-2.1%	0.001%
7/30/2026	Catalyst Financial Partners LLC	272	$0.38M	0.0%	+7.9%	0.001%
7/30/2026	Ethic Inc.	7,107	$9.82M	0.1%	+7.3%	0.014%
7/29/2026	Paragon Advisors LLC	3,367	$4.65M	1.0%	+6.7%	0.007%
7/29/2026	Avestar Capital LLC	572	$0.79M	0.0%	+6.7%	0.001%
7/29/2026	Ashton Thomas Private Wealth LLC	504	$0.70M	0.0%	+58.5%	0.001%
7/29/2026	iA Global Asset Management Inc.	5,733	$7.93M	0.1%	-62.1%	0.012%
7/29/2026	Mach 1 Financial Group LLC	368	$0.51M	0.2%	-39.9%	0.001%
7/29/2026	Swiss Life Asset Management Ltd	24,087	$33.30M	0.1%	-22.4%	0.049%
7/29/2026	Retirement Systems of Alabama	10,320	$14.27M	0.0%	-0.2%	0.021%
7/29/2026	Baker Avenue Asset Management LP	3,540	$4.89M	0.1%	+10.1%	0.007%
7/29/2026	Ducere Wealth Management LLC	1,519	$2.10M	0.6%	+9.2%	0.003%
7/29/2026	Resona Asset Management Co. Ltd.	49,148	$66.94M	0.3%	-14.8%	0.100%
7/29/2026	Nvwm LLC	1,289	$1.78M	0.4%	-3.4%	0.003%
7/29/2026	Oregon Public Employees Retirement Fund	6,037	$8.35M	0.1%	+8.0%	0.012%
7/28/2026	Atria Investments Inc	1,835	$2.54M	0.0%	-6.7%	0.004%
7/28/2026	Angeles Wealth Management LLC	285	$0.40M	0.0%	+10.5%	0.001%
7/28/2026	Erste Asset Management GmbH	13,177	$17.39M	0.1%	-9.8%	0.027%
7/28/2026	Kestra Private Wealth Services LLC	434	$0.60M	0.0%	-2.5%	0.001%
7/28/2026	Asset Management One Co. Ltd.	21,424	$29.62M	0.1%	+1.3%	0.044%
7/28/2026	Werba Rubin Papier Wealth Management	145	$0.20M	0.0%	N/A	0.000%
7/28/2026	Whittier Trust Co.	41,902	$56.41M	0.6%	-0.3%	0.085%
7/28/2026	Clear Creek Financial Management LLC	599	$0.83M	0.1%	+4.2%	0.001%
7/28/2026	Whittier Trust Co. of Nevada Inc.	20,303	$25.84M	0.5%	+0.4%	0.041%
7/28/2026	WealthTrust Asset Management LLC	161	$0.22M	0.1%	N/A	0.000%
7/28/2026	Florida Trust Wealth Management Co	1,712	$2.37M	0.1%	+80.8%	0.003%
7/28/2026	Turtle Creek Wealth Advisors LLC	437	$0.60M	0.0%	+9.5%	0.001%
7/27/2026	Generate Investment Management Ltd	3,922	$5.42M	0.2%	-63.1%	0.008%
7/27/2026	New Hampshire Trust	270	$0.37M	0.1%	-6.9%	0.001%
7/27/2026	Cambridge Investment Research Advisors Inc.	5,073	$7.01M	0.0%	+48.5%	0.010%
7/27/2026	Leonteq Securities AG	231	$0.32M	0.0%	+41.7%	0.000%
7/27/2026	Peterson Wealth Services	1,304	$1.80M	0.4%	+6.6%	0.003%
7/27/2026	TD Waterhouse Canada Inc.	373	$0.50M	0.0%	+4.5%	0.001%
7/27/2026	Oak Harvest Investment Services	4,173	$5.77M	0.5%	+17.5%	0.008%
7/27/2026	Resonant Capital Advisors LLC	311	$0.43M	0.0%	+5.1%	0.001%
7/10/2026	Wasatch Advisors LP	1,236	$1.71M	0.0%	-58.0%	0.003%
7/10/2026	Generali Investments Management Co LLC	916	$1.27M	0.3%	+60.4%	0.002%
7/10/2026	Handelsbanken Fonder AB	32,416	$44.81M	0.1%	+3.1%	0.066%
7/10/2026	Redhawk Wealth Advisors Inc.	1,960	$2.71M	0.3%	-8.2%	0.004%
7/10/2026	Wealthcare Advisory Partners LLC	290	$0.40M	0.0%	-14.2%	0.001%
7/9/2026	First Bank & Trust	245	$0.34M	0.0%	+8.4%	0.000%
7/9/2026	Sapient Capital LLC	21,974	$30.42M	0.4%	-1.8%	0.045%
7/9/2026	Arista Wealth Management LLC	1,106	$1.53M	0.2%	-14.8%	0.002%
7/9/2026	Tactive Advisors LLC	158	$0.22M	0.1%	N/A	0.000%
7/9/2026	Everhart Financial Group Inc.	156	$0.22M	0.0%	N/A	0.000%
7/9/2026	Hennion & Walsh Asset Management Inc.	4,348	$6.01M	0.2%	+11.1%	0.009%
7/9/2026	Valeo Financial Advisors LLC	603	$0.83M	0.0%	+14.2%	0.001%
7/8/2026	Czech National Bank	13,984	$19.33M	0.1%	+5.4%	0.028%
7/8/2026	PensionDanmark Pensionsforsikringsaktieselskab	8,820	$12.19M	0.1%	+10.8%	0.018%
7/8/2026	Assenagon Asset Management S.A.	1,485	$2.05M	0.0%	-10.1%	0.003%
7/8/2026	55 North Private Wealth LLC	172	$0.24M	0.0%	N/A	0.000%
7/7/2026	Foster Group Inc.	168	$0.23M	0.0%	N/A	0.000%
7/7/2026	Balefire LLC	189	$0.26M	0.0%	-5.5%	0.000%
7/7/2026	Dynamic Advisor Solutions LLC	174	$0.24M	0.0%	N/A	0.000%
7/7/2026	GAMMA Investing LLC	2,107	$2.91M	0.1%	+4.4%	0.004%
7/7/2026	Central Pacific Bank Trust Division	696	$0.96M	0.1%	-25.2%	0.001%
7/7/2026	Carderock Capital Management Inc.	10,301	$14.24M	3.1%	-11.7%	0.021%
7/7/2026	CoreCap Advisors LLC	692	$0.96M	0.0%	+138.6%	0.001%
7/6/2026	RDA Financial Network	889	$1.23M	0.3%	-33.5%	0.002%
7/6/2026	Dogwood Wealth Management LLC	192	$0.27M	0.1%	-45.5%	0.000%
7/6/2026	Trilogy Capital Inc.	3,781	$5.23M	0.2%	-16.0%	0.008%
7/2/2026	Silverleafe Capital Partners LLC	625	$0.86M	0.2%	+38.6%	0.001%
7/2/2026	CX Institutional	343	$0.47M	0.0%	+9.9%	0.001%
7/1/2026	Eastern Bank	100	$0.14M	0.0%	N/A	0.000%
6/22/2026	Sapient Capital LLC	22,370	$24.49M	0.4%	-37.1%	0.046%
6/18/2026	Pacer Advisors Inc.	38,807	$42.43M	0.1%	-23.4%	0.079%
6/15/2026	Lombard Odier Asset Management Europe Ltd	13,083	$14.30M	0.1%	-4.2%	0.027%
6/9/2026	Rathbones Group PLC	4,929	$5.39M	0.0%	-10.9%	0.010%
6/3/2026	Parallel Advisors LLC	577	$0.63M	0.0%	+12.9%	0.001%
6/3/2026	NewEdge Advisors LLC	5,197	$5.68M	0.0%	-48.8%	0.011%
6/2/2026	Optiver Holding B.V.	89	$97K	0.0%	N/A	0.000%
6/1/2026	Keel Point LLC	243	$0.27M	0.0%	-27.7%	0.000%
5/26/2026	Glenmede Trust Co. NA	20,651	$22.58M	0.1%	-0.7%	0.042%
5/22/2026	Groupama Asset Managment	1,742	$1.91M	0.0%	+5.1%	0.004%
5/22/2026	Segall Bryant & Hamill LLC	26,061	$28.49M	0.4%	-13.1%	0.053%
5/22/2026	Wellington Grp LLC	481	$0.53M	0.2%	N/A	0.001%

Data available starting January 2016

Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the storage and computing, automotive, enterprise data, consumer, communications, and industrial 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 cloud-based CPU servers, server artificial intelligence applications, storage applications, commercial notebooks, digital cockpit, power sources, home appliances, 4G and 5G infrastructure, and satellite communications applications. It offers lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in computers and notebooks, monitors, car navigation systems, and televisions, as well as for general illumination products. The company sells its products through third-party distributors, value-added resellers, directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers. It serves China, Taiwan, South Korea, Europe, Japan, Southeast Asia, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.

Today's Range

Now: $1,335.03

$1,333.32

$1,425.99

50 Day Range

MA: $1,429.11

$1,249.95

$1,689.89

52 Week Range

Now: $1,335.03

$774.14

$1,714.09

Volume

1,227,633 shs

Average Volume

957,287 shs

Market Capitalization

$65.59 billion

P/E Ratio

81.85

Dividend Yield

0.60%

Beta

1.69

Who are the company insiders with the largest holdings of Monolithic Power Systems?: Monolithic Power Systems' top insider shareholders include:
Michael Hsing (CEO)
James Moyer (Director)
James C Moyer (Director)
Maurice Sciammas (VP)
Deming Xiao (Insider)
Saria Tseng (VP)
Meera Rao (CFO)
James C Moyer (Director)
Deming Xiao (EVP)
Saria Tseng (EVP)
Learn More about top insider investors at Monolithic Power Systems.
Who are the major institutional investors of Monolithic Power Systems?: Monolithic Power Systems' top institutional shareholders include:
Sumitomo Mitsui Trust Group Inc. — 0.23%
Pictet Asset Management Holding SA — 0.21%
Resona Asset Management Co. Ltd. — 0.10%
Whittier Trust Co. — 0.09%
Aberdeen Group plc — 0.09%
Handelsbanken Fonder AB — 0.07%
Learn More about top institutional investors of Monolithic Power Systems stock.
Which institutional investors are selling Monolithic Power Systems stock?: Within the previous quarter, MPWR stock was sold by these institutional investors:
Pictet Asset Management Holding SA
iA Global Asset Management Inc.
Resona Asset Management Co. Ltd.
Swiss Life Asset Management Ltd
Generate Investment Management Ltd
Sumitomo Mitsui Trust Group Inc.
Mirabella Financial Services LLP
Wasatch Advisors LP
Within the previous year, company insiders that have sold Monolithic Power Systems company stock include:
Deming Xiao (EVP)
Saria Tseng (EVP)
Maurice Sciammas (EVP)
Theodore Blegen (CFO)
Victor K Lee (Director)
Jeff Zhou (Director)
Eugen J Elmiger (Director)
Eileen Wynne (Director)
Carintia Martinez (Director)
Kuo Wei Herbert Chang (Director)
Learn More investors selling Monolithic Power Systems stock.
Which institutional investors are buying Monolithic Power Systems stock?: In the previous quarter, MPWR stock was purchased by institutional investors including:
Left Brain Wealth Management LLC
Aberdeen Group plc
Daiwa Securities Group Inc.
Cambridge Investment Research Advisors Inc.
Handelsbanken Fonder AB
PensionDanmark Pensionsforsikringsaktieselskab
Kornitzer Capital Management Inc. KS
Florida Trust Wealth Management Co