MPWR Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 3.60%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $355,679,628.06

Monolithic Power Systems Insider Trading History Chart

Monolithic Power Systems Share Price & Price History

^$1,217.80

▲ +48.22 (4.12%)

As of 09/18/2026 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
8/24/2026	Kuo Wei Herbert Chang	Director	Sell	50	$1,281.57	$64,078.50	515
8/11/2026	Kuo Wei Herbert Chang	Director	Sell	50	$1,420.00	$71,000.00	565
8/3/2026	Maurice Sciammas	EVP	Sell	30	$1,343.94	$40,318.20	1,119
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

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
9/15/2026	Anchor Investment Management LLC	65	$90K	0.0%	+160.0%	0.000%
9/11/2026	Talon Private Wealth LLC	512	$0.71M	0.1%	-12.5%	0.001%
9/9/2026	The Manufacturers Life Insurance Company	49,887	$68.96M	0.0%	+0.5%	0.102%
9/9/2026	Sequoia Financial Advisors LLC	2,816	$3.89M	0.0%	-1.5%	0.006%
9/9/2026	IPG Investment Advisors LLC	1,197	$1.66M	0.2%	N/A	0.002%
9/9/2026	Whetstone Capital Advisors LLC	595	$0.82M	0.2%	N/A	0.001%
9/9/2026	National Pension Service	63,529	$87.82M	0.1%	-6.2%	0.129%
9/9/2026	SVB Wealth LLC	149	$0.21M	0.0%	N/A	0.000%
9/9/2026	Pinnacle Wealth Management Advisory Group LLC	222	$0.31M	0.0%	N/A	0.000%
9/9/2026	Integrated Wealth Concepts LLC	3,266	$4.52M	0.0%	-11.4%	0.007%
9/9/2026	RFG Advisory LLC	1,242	$1.72M	0.0%	-13.5%	0.003%
9/9/2026	NewEdge Advisors LLC	4,755	$6.57M	0.0%	-8.5%	0.010%
9/9/2026	Baird Financial Group Inc.	81,895	$113.21M	0.2%	+10.3%	0.167%
9/8/2026	Allworth Financial LP	2,586	$3.58M	0.0%	-0.9%	0.005%
9/8/2026	Arizona State Retirement System	13,379	$18.50M	0.1%	+2.8%	0.027%
9/8/2026	Waverly Advisors LLC	1,302	$1.80M	0.0%	-9.9%	0.003%
9/8/2026	Empirical Finance LLC	1,319	$1.82M	0.1%	+5.0%	0.003%
9/8/2026	Nykredit A S	20,935	$28.94M	0.1%	N/A	0.043%
9/4/2026	Parkside Financial Bank & Trust	712	$0.98M	0.1%	-13.7%	0.001%
9/2/2026	Range Advisory LLC	179	$0.25M	0.0%	N/A	0.000%
8/27/2026	Corient Private Wealth LP	44,086	$60.94M	0.1%	+181.1%	0.090%
8/26/2026	Principia Wealth Advisory LLC	47	$65K	0.0%	-50.5%	0.000%
8/26/2026	Amundi	145,747	$201.44M	0.0%	-8.3%	0.297%
8/26/2026	Wellington Grp LLC	665	$0.92M	0.2%	+38.3%	0.001%
8/26/2026	HighTower Advisors LLC	3,741	$5.17M	0.0%	-0.8%	0.008%
8/25/2026	Groupe la Francaise	2,692	$3.72M	0.0%	-32.6%	0.005%
8/24/2026	Vancity Investment Management Ltd	470	$0.65M	0.1%	-6.2%	0.001%
8/23/2026	Greenland Capital Management LP	469	$0.65M	0.1%	-71.3%	0.001%
8/23/2026	Ameritas Advisory Services LLC	1,677	$2.32M	0.0%	+773.4%	0.003%
8/23/2026	Wedmont Private Capital	1,194	$1.62M	0.0%	+1.1%	0.002%
8/23/2026	HB Wealth Management LLC	3,834	$5.30M	0.0%	-12.8%	0.008%
8/23/2026	Saudi Central Bank	3,266	$4.52M	0.1%	+84.7%	0.007%
8/23/2026	Hutchens & Kramer Investment Management Group LLC	196	$0.27M	0.1%	N/A	0.000%
8/23/2026	Angeles Wealth Management LLC	285	$0.40M	0.0%	+10.5%	0.001%
8/23/2026	Azimuth Capital Investment Management LLC	29,124	$40.26M	1.4%	-19.3%	0.059%
8/22/2026	Compass Financial Management LLC	158	$0.22M	0.0%	N/A	0.000%
8/22/2026	NBH Bank	39	$54K	0.0%	N/A	0.000%
8/22/2026	Turner Financial Group Inc.	366	$0.51M	0.5%	N/A	0.001%
8/22/2026	Three Seasons Wealth LLC	1,177	$1.63M	0.1%	+33.9%	0.002%
8/22/2026	Raiffeisen Bank International AG	960	$1.26M	0.0%	-61.8%	0.002%
8/22/2026	TD Waterhouse Canada Inc.	373	$0.50M	0.0%	+4.5%	0.001%
8/22/2026	Concurrent Investment Advisors LLC	4,455	$6.16M	0.1%	+258.1%	0.009%
8/22/2026	NEOS Investment Management LLC	37,133	$51.33M	0.2%	+13.4%	0.076%
8/21/2026	Continuum Advisory LLC	31	$43K	0.0%	N/A	0.000%
8/21/2026	Nykredit A S	23,578	$32.59M	0.1%	N/A	0.048%
8/21/2026	B. Metzler seel. Sohn & Co. AG	2,334	$3.23M	0.0%	+4.4%	0.005%
8/21/2026	XML Financial LLC	1,101	$1.52M	0.1%	-9.1%	0.002%
8/20/2026	Proficio Capital Partners LLC	230	$0.32M	0.0%	N/A	0.000%
8/20/2026	Teza Capital Management LLC	279	$0.39M	0.8%	N/A	0.001%
8/20/2026	CTC Alternative Strategies Ltd.	530	$0.73M	1.1%	N/A	0.001%
8/20/2026	BTG Pactual Asset Management US LLC	192	$0.27M	0.0%	N/A	0.000%
8/20/2026	Quantitative Investment Management LLC	1,421	$1.96M	0.2%	N/A	0.003%
8/20/2026	Moore Capital Management LP	6,250	$8.64M	0.1%	N/A	0.013%
8/20/2026	Sigma Planning Corp	372	$0.51M	0.0%	-10.1%	0.001%
8/20/2026	Two Sigma Securities LLC	569	$0.79M	0.1%	N/A	0.001%
8/20/2026	Benjamin Edwards Inc.	9,819	$13.57M	0.1%	+12.6%	0.020%
8/20/2026	GTS Securities LLC	224	$0.31M	0.0%	N/A	0.000%
8/20/2026	Flputnam Investment Management Co.	20,409	$28.21M	0.3%	N/A	0.042%
8/20/2026	Cookson Peirce & Co. Inc.	29,510	$40.79M	1.4%	+0.1%	0.060%
8/20/2026	Northwestern Mutual Wealth Management Co.	2,361	$3.26M	0.0%	-4.9%	0.005%
8/20/2026	Meiji Yasuda Life Insurance Co	1,227	$1.70M	0.1%	+60.6%	0.002%
8/20/2026	Hollencrest Capital Management	88	$0.12M	0.0%	N/A	0.000%
8/20/2026	Greenleaf Trust	1,093	$1.51M	0.0%	-1.5%	0.002%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	292,368	$404.16M	0.1%	-3.3%	0.595%
8/19/2026	New Mexico Educational Retirement Board	2,500	$3.46M	0.1%	+13.6%	0.005%
8/19/2026	Royal London Asset Management Ltd.	28,488	$39.38M	0.1%	-1.6%	0.058%
8/19/2026	Mufg Securities Americas Inc.	1,480	$2.05M	0.1%	+9.8%	0.003%
8/19/2026	Van ECK Associates Corp	746,237	$1.03B	0.7%	+42.3%	1.519%
8/19/2026	Nissay Asset Management Corp Japan	31,383	$43.38M	0.2%	+21.8%	0.064%
8/19/2026	Hsbc Holdings PLC	190,811	$262.39M	0.1%	+20.1%	0.388%
8/19/2026	Wellington Management Group LLP	72,001	$99.53M	0.0%	-71.3%	0.147%
8/19/2026	Lombard Odier Asset Management Europe Ltd	4,181	$5.78M	0.0%	N/A	0.009%
8/19/2026	Kingsview Wealth Management LLC	1,075	$1.49M	0.0%	N/A	0.002%
8/18/2026	Beacon Pointe Advisors LLC	1,061	$1.47M	0.0%	N/A	0.002%
8/18/2026	Livforsakringsbolaget Skandia Omsesidigt	295	$0.41M	0.0%	N/A	0.001%
8/18/2026	Rakuten Investment Management Inc.	18,041	$23.68M	0.1%	N/A	0.037%
8/18/2026	Empowered Funds LLC	35,700	$49.35M	0.3%	N/A	0.073%
8/18/2026	United Capital Financial Advisors LLC	1,613	$2.23M	0.0%	N/A	0.003%
8/18/2026	Dearborn Partners LLC	240	$0.33M	0.0%	N/A	0.000%
8/18/2026	Grandeur Peak Global Advisors LLC	41,727	$57.68M	14.0%	-19.0%	0.085%
8/18/2026	Caitlin John LLC	630	$0.87M	0.5%	N/A	0.001%
8/18/2026	Equitable Holdings Inc.	3,025	$4.18M	0.0%	N/A	0.006%
8/18/2026	Centaurus Financial Inc.	233	$0.32M	0.0%	N/A	0.000%
8/18/2026	Brasada Capital Management LP	6,469	$8.94M	0.0%	N/A	0.013%
8/18/2026	Coastal Bridge Advisors LLC	561	$0.78M	0.0%	N/A	0.001%
8/18/2026	Jefferies Financial Group Inc.	1,375	$1.90M	0.0%	N/A	0.003%
8/18/2026	Public Employees Retirement System of Ohio	20,129	$27.83M	0.1%	N/A	0.041%
8/18/2026	MASTERINVEST Kapitalanlage GmbH	198	$0.27M	0.0%	N/A	0.000%
8/17/2026	Proficio Capital Partners LLC	230	$0.32M	0.0%	N/A	0.000%
8/17/2026	Pure Financial Advisors LLC	176	$0.24M	0.0%	N/A	0.000%
8/17/2026	Transamerica Financial Advisors LLC	25	$35K	0.0%	N/A	0.000%
8/17/2026	Corient Private Wealth LP	45,838	$63.32M	0.0%	N/A	0.093%
8/17/2026	Ausdal Financial Partners Inc.	458	$0.63M	0.0%	N/A	0.001%
8/17/2026	Bamco Inc. NY	58,604	$81.01M	0.1%	N/A	0.119%
8/17/2026	Bank of America Corp DE	536,236	$741.27M	0.0%	N/A	1.091%
8/15/2026	American Capital Management Inc.	5,897	$8.15M	0.4%	N/A	0.012%
8/15/2026	Freestone Grove Partners LP	5,914	$8.18M	0.1%	N/A	0.012%
8/15/2026	Caisse de depot et placement du Quebec	50,232	$69.44M	0.1%	N/A	0.102%
8/15/2026	Odyssean LLC	1,885	$2.61M	0.4%	+35.8%	0.004%
8/15/2026	Man Group plc	37,110	$51.30M	0.1%	N/A	0.076%

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: $1,217.80

$1,176.21

$1,221.51

50 Day Range

MA: $1,300.54

$1,142.46

$1,426.03

52 Week Range

Now: $1,217.80

$833.18

$1,714.09

Volume

1,426,919 shs

Average Volume

583,674 shs

Market Capitalization

$59.84 billion

P/E Ratio

74.67

Dividend Yield

0.68%

Beta

1.66

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:
BlackRock Inc. — 11.38%
Van ECK Associates Corp — 1.52%
Bank of America Corp DE — 1.09%
Legal & General Group Plc — 0.73%
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — 0.59%
Bank of New York Mellon Corp — 0.59%
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:
Wellington Management Group LLP
Pictet Asset Management Holding SA
Amundi
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Grandeur Peak Global Advisors LLC
iA Global Asset Management Inc.
Resona Asset Management Co. Ltd.
Azimuth Capital Investment Management LLC
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)
Eugen J Elmiger (Director)
Jeff Zhou (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:
BlackRock Inc.
Bank of America Corp DE
Legal & General Group Plc
Bank of New York Mellon Corp
Van ECK Associates Corp
Hsbc Holdings PLC
Deutsche Bank AG
Canada Pension Plan Investment Board