MPWR Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 3.40%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $150,887,114.36

Monolithic Power Systems Insider Trading History Chart

Monolithic Power Systems Share Price & Price History

^$952.74

▼ -5.28 (-0.55%)

As of 12/4/2025 05:00 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
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
7/21/2023	Deming Xiao	Insider	Sell	9,615	$534.23	$5,136,621.45	258,632
7/21/2023	Maurice Sciammas	VP	Sell	9,843	$534.23	$5,258,425.89	190,201
7/21/2023	Michael Hsing	CEO	Sell	28,845	$534.23	$15,409,864.35	1,020,602
7/21/2023	Theodore Blegen	CFO	Sell	7,575	$534.23	$4,046,792.25	123,921
7/3/2023	Deming Xiao	Insider	Sell	4,305	$537.79	$2,315,185.95	268,247
7/3/2023	Michael Hsing	CEO	Sell	10,960	$537.79	$5,894,178.40	1,049,447
7/3/2023	Theodore Blegen	CFO	Sell	905	$537.79	$486,699.95	131,496
5/9/2023	Maurice Sciammas	VP	Sell	857	$409.78	$351,181.46	204,349
5/9/2023	Michael Hsing	CEO	Sell	2,785	$409.78	$1,141,237.30	1,060,407
5/9/2023	Theodore Blegen	CFO	Sell	711	$409.78	$291,353.58	132,401
5/4/2023	Deming Xiao	Insider	Sell	991	$459.60	$455,463.60	273,409
5/3/2023	Michael Hsing	CEO	Sell	11,242	$463.55	$5,211,229.10	1,067,017
5/3/2023	Saria Tseng	VP	Sell	3,462	$463.55	$1,604,810.10	275,253
5/3/2023	Theodore Blegen	CFO	Sell	2,870	$463.55	$1,330,388.50	133,966
4/3/2023	Michael Hsing	CEO	Sell	11,100	$487.99	$5,416,689.00	1,050,049
4/3/2023	Saria Tseng	VP	Sell	4,360	$487.99	$2,127,636.40	270,030
4/3/2023	Theodore Blegen	CFO	Sell	920	$487.99	$448,950.80	131,122
2/15/2023	Deming Xiao	Insider	Sell	1,497	$530.00	$793,410.00	273,537
2/15/2023	Maurice Sciammas	VP	Sell	13,000	$519.54	$6,754,020.00	205,334
2/13/2023	Maurice Sciammas	VP	Sell	1,639	$492.31	$806,896.09	218,312
2/13/2023	Michael Hsing	CEO	Sell	6,333	$492.31	$3,117,799.23	1,061,116
2/13/2023	Theodore Blegen	CFO	Sell	1,373	$492.31	$675,941.63	136,995
2/9/2023	Deming Xiao	Insider	Sell	2,129	$520.00	$1,107,080.00	276,643
2/8/2023	Maurice Sciammas	VP	Sell	6,922	$462.41	$3,200,802.02	219,951
2/8/2023	Michael Hsing	CEO	Sell	22,483	$462.41	$10,396,364.03	1,067,449
2/8/2023	Theodore Blegen	CFO	Sell	5,684	$462.41	$2,628,338.44	138,368
2/6/2023	Deming Xiao	Insider	Sell	723	$446.88	$323,094.24	250,954
2/6/2023	Michael Hsing	CEO	Sell	3,691	$446.88	$1,649,434.08	977,093
2/6/2023	Theodore Blegen	CFO	Sell	608	$446.87	$271,696.96	121,195
1/24/2023	Deming Xiao	Insider	Sell	10,243	$430.00	$4,404,490.00	251,677
1/12/2023	Deming Xiao	Insider	Sell	2,980	$400.00	$1,192,000.00	261,920
1/3/2023	Michael Hsing	CEO	Sell	14,888	$344.96	$5,135,764.48	980,784
1/3/2023	Saria Tseng	VP	Sell	5,528	$344.96	$1,906,938.88	248,904
1/3/2023	Theodore Blegen	CFO	Sell	1,884	$344.96	$649,904.64	121,803
12/12/2022	James C Moyer	Director	Sell	40,000	$386.53	$15,461,200.00	42,938

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
12/2/2025	Allworth Financial LP	299	$0.28M	0.0%	+37.2%	0.001%
12/2/2025	IFP Advisors Inc	38	$35K	0.0%	+171.4%	0.000%
12/2/2025	Swiss Life Asset Management Ltd	32,291	$29.73M	0.2%	+1.5%	0.067%
12/1/2025	Groupama Asset Managment	1,716	$1.58M	0.0%	-49.2%	0.004%
11/24/2025	CIBC Private Wealth Group LLC	62,363	$57.41M	0.1%	-2.0%	0.130%
11/21/2025	CIBC Bancorp USA Inc.	6,607	$6.08M	0.0%	N/A	0.014%
11/20/2025	WBI Investments LLC	1,567	$1.44M	0.4%	N/A	0.003%
11/20/2025	Wilmington Savings Fund Society FSB	508	$0.47M	0.0%	-90.9%	0.001%
11/19/2025	Danske Bank A S	34,058	$31.36M	0.1%	N/A	0.071%
11/18/2025	Silvant Capital Management LLC	11,892	$10.95M	0.4%	-8.6%	0.025%
11/18/2025	Advisory Services Network LLC	967	$0.89M	0.0%	+15.1%	0.002%
11/17/2025	Hancock Whitney Corp	1,085	$1M	0.0%	-65.5%	0.002%
11/17/2025	Morningstar Investment Management LLC	508	$0.47M	0.0%	N/A	0.001%
11/17/2025	Kestra Private Wealth Services LLC	1,151	$1.06M	0.0%	+24.7%	0.002%
11/17/2025	NewEdge Advisors LLC	11,727	$10.80M	0.0%	+25.0%	0.024%
11/17/2025	First Foundation Advisors	6,899	$6.35M	0.2%	-9.4%	0.014%
11/17/2025	CANADA LIFE ASSURANCE Co	67,650	$59.94M	0.1%	+1.1%	0.141%
11/17/2025	American Trust	967	$0.89M	0.1%	+153.1%	0.002%
11/17/2025	United Capital Financial Advisors LLC	2,225	$2.05M	0.0%	+80.3%	0.005%
11/17/2025	Utah Retirement Systems	7,639	$7.03M	0.1%	-0.7%	0.016%
11/17/2025	Voleon Capital Management LP	682	$0.63M	0.0%	+84.8%	0.001%
11/17/2025	Wasatch Advisors LP	5,413	$4.98M	0.0%	-6.7%	0.011%
11/17/2025	Verition Fund Management LLC	6,939	$6.39M	0.0%	-32.6%	0.014%
11/17/2025	Tidal Investments LLC	9,507	$8.75M	0.0%	+19.5%	0.020%
11/17/2025	State Street Corp	2,134,704	$1.97B	0.1%	+0.7%	4.456%
11/17/2025	Saturna Capital Corp	6,781	$6.24M	0.1%	+17.4%	0.014%
11/17/2025	Shelton Capital Management	267	$0.25M	0.0%	N/A	0.001%
11/17/2025	Polar Capital Holdings Plc	18,030	$16.60M	0.1%	+49.6%	0.038%
11/17/2025	Prosperity Financial Group Inc.	946	$0.87M	0.3%	+7.6%	0.002%
11/17/2025	Quest Investment Management LLC	11,745	$10.81M	1.1%	-10.8%	0.025%
11/17/2025	Quantessence Capital LLC	4,344	$4M	1.3%	N/A	0.009%
11/17/2025	Prelude Capital Management LLC	1,210	$1.11M	0.1%	-62.3%	0.003%
11/17/2025	Public Employees Retirement System of Ohio	22,472	$20.69M	0.1%	-6.1%	0.047%
11/17/2025	Nomura Holdings Inc.	2,563	$2.36M	0.0%	+409.5%	0.005%
11/17/2025	Northwestern Mutual Wealth Management Co.	2,194	$2.02M	0.0%	+96.8%	0.005%
11/17/2025	Northern Trust Corp	485,831	$447.28M	0.1%	+0.8%	1.014%
11/17/2025	Norinchukin Bank The	2,549	$2.35M	0.0%	+2.4%	0.005%
11/17/2025	Mariner LLC	10,861	$10M	0.0%	-3.4%	0.023%
11/17/2025	Moors & Cabot Inc.	425	$0.39M	0.0%	-52.4%	0.001%
11/17/2025	National Bank of Canada FI	24,174	$22.25M	0.0%	-37.0%	0.050%
11/17/2025	Mercer Global Advisors Inc. ADV	8,341	$7.66M	0.0%	+46.5%	0.017%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	14,659	$13.15M	0.0%	-34.1%	0.031%
11/17/2025	Moneta Group Investment Advisors LLC	831	$0.77M	0.0%	+11.8%	0.002%
11/17/2025	Moore Capital Management LP	12,894	$11.87M	0.2%	-35.5%	0.027%
11/17/2025	Laird Norton Wetherby Wealth Management LLC	549	$0.51M	0.0%	+15.3%	0.001%
11/17/2025	Larson Financial Group LLC	9,854	$9.07M	0.3%	+0.6%	0.021%
11/17/2025	Lido Advisors LLC	1,933	$1.78M	0.0%	+50.5%	0.004%
11/17/2025	Integrated Wealth Concepts LLC	1,905	$1.75M	0.0%	+20.4%	0.004%
11/17/2025	Holocene Advisors LP	51,171	$47.11M	0.1%	N/A	0.107%
11/17/2025	Gotham Asset Management LLC	19,610	$18.05M	0.1%	-2.6%	0.041%
11/17/2025	Flow Traders U.S. LLC	292	$0.27M	0.0%	N/A	0.001%
11/17/2025	Fred Alger Management LLC	15,174	$13.99M	0.1%	-16.6%	0.032%
11/17/2025	Firsthand Capital Management Inc.	200	$0.18M	0.3%	N/A	0.000%
11/17/2025	Focus Partners Wealth	11,873	$10.93M	0.0%	+724.5%	0.025%
11/17/2025	Earnest Partners LLC	205,779	$189.45M	0.8%	+1.3%	0.430%
11/17/2025	Brevan Howard Capital Management LP	895	$0.82M	0.0%	-75.5%	0.002%
11/17/2025	Chevy Chase Trust Holdings LLC	24,579	$22.63M	0.1%	-2.9%	0.051%
11/17/2025	Azimuth Capital Investment Management LLC	33,554	$30.89M	1.1%	-0.7%	0.070%
11/17/2025	Bamco Inc. NY	48,196	$44.37M	0.1%	-5.5%	0.101%
11/17/2025	Banco Bilbao Vizcaya Argentaria S.A.	1,705	$1.56M	0.0%	+19.7%	0.004%
11/17/2025	Bridgefront Capital LLC	1,001	$0.92M	0.3%	N/A	0.002%
11/17/2025	California Public Employees Retirement System	85,230	$78.47M	0.0%	-14.1%	0.178%
11/17/2025	Bank of Nova Scotia	3,776	$3.48M	0.0%	-86.2%	0.008%
11/17/2025	Alliancebernstein L.P.	280,703	$258.43M	0.1%	-10.6%	0.586%
11/17/2025	Ameriprise Financial Inc.	160,204	$147.52M	0.0%	-26.8%	0.334%
11/14/2025	Creative Planning	15,856	$14.60M	0.0%	+8.7%	0.033%
11/14/2025	Lazard Asset Management LLC	19,029	$17.52M	0.0%	+32.4%	0.040%
11/14/2025	AQR Capital Management LLC	37,705	$34.43M	0.0%	-9.0%	0.079%
11/14/2025	SummitTX Capital L.P.	700	$0.64M	0.0%	N/A	0.001%
11/14/2025	Credit Agricole S A	16,059	$14.79M	0.0%	N/A	0.034%
11/14/2025	Raymond James Financial Inc.	267,212	$246.01M	0.1%	-6.7%	0.558%
11/14/2025	4D Advisors LLC	6,500	$5.98M	3.2%	-40.9%	0.014%
11/14/2025	Amundi	137,635	$131.07M	0.0%	+4.2%	0.287%
11/14/2025	Equitable Holdings Inc.	901	$0.83M	0.0%	+31.5%	0.002%
11/14/2025	Caisse de depot et placement du Quebec	66,754	$61.46M	0.1%	+1.2%	0.139%
11/14/2025	American Capital Management Inc.	6,610	$6.09M	0.2%	-5.8%	0.014%
11/14/2025	Man Group plc	9,739	$8.97M	0.0%	-63.6%	0.020%
11/14/2025	California State Teachers Retirement System	74,748	$68.82M	0.1%	+0.5%	0.156%
11/14/2025	Daiwa Securities Group Inc.	10,229	$9.42M	0.0%	+7.3%	0.021%
11/14/2025	Horizon Investments LLC	1,706	$1.57M	0.0%	+11.1%	0.004%
11/14/2025	Zurcher Kantonalbank Zurich Cantonalbank	65,413	$60.22M	0.1%	-7.5%	0.137%
11/14/2025	DF Dent & Co. Inc.	149,730	$137.85M	1.8%	-12.5%	0.313%
11/14/2025	Nissay Asset Management Corp Japan	16,075	$14.80M	0.1%	-15.1%	0.034%
11/14/2025	Fiduciary Trust Co	709	$0.65M	0.0%	+18.8%	0.001%
11/14/2025	Brooklyn Investment Group	2,466	$2.27M	0.2%	+96.2%	0.005%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	315,922	$290.85M	0.1%	-2.3%	0.659%
11/14/2025	Tower Research Capital LLC TRC	2,576	$2.37M	0.1%	+482.8%	0.005%
11/14/2025	Vident Advisory LLC	20,326	$18.71M	0.2%	-7.9%	0.042%
11/14/2025	Concentric Capital Strategies LP	5,559	$5.12M	0.2%	N/A	0.012%
11/14/2025	Ossiam	2,250	$2.07M	0.0%	+12.2%	0.005%
11/14/2025	Squarepoint Ops LLC	1,277	$1.18M	0.0%	-1.8%	0.003%
11/14/2025	Sirios Capital Management L P	2,645	$2.44M	0.3%	-20.3%	0.006%
11/14/2025	Analog Century Management LP	77,591	$71.43M	3.8%	N/A	0.162%
11/14/2025	Siemens Fonds Invest GmbH	785	$0.72M	0.0%	-2.2%	0.002%
11/14/2025	Wellington Management Group LLP	452,938	$416.99M	0.1%	-35.6%	0.945%
11/14/2025	Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna	3,387	$3.12M	1.2%	-5.5%	0.007%
11/14/2025	NorthRock Partners LLC	882	$0.81M	0.0%	+15.7%	0.002%
11/14/2025	Harvest Fund Management Co. Ltd	8,946	$8.22M	0.3%	+12.7%	0.019%
11/14/2025	Prudential PLC	3,001	$2.76M	0.0%	+32.7%	0.006%
11/14/2025	Comerica Bank	10,906	$10.04M	0.0%	+10.1%	0.023%

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: $952.74

$931.98

$959.38

50 Day Range

MA: $963.25

$856.96

$1,105.05

52 Week Range

Now: $952.74

$438.86

$1,123.38

Volume

478,797 shs

Average Volume

630,659 shs

Market Capitalization

$45.65 billion

P/E Ratio

24.33

Dividend Yield

0.65%

Beta

1.47

Who are the company insiders with the largest holdings of Monolithic Power Systems?: Monolithic Power Systems' top insider shareholders include:
Michael Hsing (CEO)
Saria Tseng (VP)
Deming Xiao (Insider)
Deming Xiao (EVP)
Saria Tseng (EVP)
Maurice Sciammas (EVP)
Maurice Sciammas (VP)
Theodore Blegen (CFO)
Victor K Lee (Director)
Jeff Zhou (Director)
Kuo Wei Herbert Chang (Director)
Carintia Martinez (Director)
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:
Vanguard Group Inc. — 12.68%
State Street Corp — 4.46%
Invesco Ltd. — 2.38%
Franklin Resources Inc. — 2.20%
JPMorgan Chase & Co. — 1.80%
Van ECK Associates Corp — 1.53%
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
Van ECK Associates Corp
Rafferty Asset Management LLC
Citigroup Inc.
Barclays PLC
Ameriprise Financial Inc.
Twin Tree Management LP
Jupiter Asset Management Ltd.
Within the previous year, company insiders that have sold Monolithic Power Systems company stock include:
Michael Hsing (CEO)
Saria Tseng (VP)
Deming Xiao (Insider)
Deming Xiao (EVP)
Saria Tseng (EVP)
Maurice Sciammas (EVP)
Maurice Sciammas (VP)
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:
Rakuten Investment Management Inc.
First Trust Advisors LP
Vanguard Group Inc.
Marshall Wace LLP
Voya Investment Management LLC
Analog Century Management LP
Massachusetts Financial Services Co. MA
Holocene Advisors LP