MPWR Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 3.40%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $307,592,857.42

Monolithic Power Systems Insider Trading History Chart

Monolithic Power Systems Share Price & Price History

^$1,652.35

▲ +64.23 (4.04%)

As of 05/6/2026 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
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
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

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
5/6/2026	Gallacher Capital Management LLC	265	$0.29M	0.1%	N/A	0.001%
5/6/2026	Angeles Wealth Management LLC	258	$0.28M	0.0%	N/A	0.001%
5/6/2026	Bauman Advisory Group LLC	377	$0.41M	0.3%	N/A	0.001%
5/6/2026	Bessemer Group Inc.	1,018	$1.11M	0.0%	+9.2%	0.002%
5/6/2026	Allspring Global Investments Holdings LLC	118,806	$133.01M	0.2%	-22.5%	0.242%
5/6/2026	Independent Financial Group LLC	762	$0.83M	0.0%	N/A	0.002%
5/6/2026	Gaddis Premier Wealth Advisors LLC	742	$0.81M	0.6%	N/A	0.002%
5/6/2026	Aware Super Pty Ltd as trustee of Aware Super	5,996	$6.56M	0.1%	N/A	0.012%
5/5/2026	Westover Capital Advisors LLC	1,558	$1.70M	0.3%	+10.9%	0.003%
5/5/2026	Wealthfront Advisers LLC	8,731	$9.55M	0.0%	+13.8%	0.018%
5/5/2026	D.A. Davidson & CO.	545	$0.60M	0.0%	-1.6%	0.001%
5/5/2026	Twin Capital Management Inc.	695	$0.76M	0.1%	+72.5%	0.001%
5/5/2026	Bank of New York Mellon Corp	289,830	$316.89M	0.1%	-1.8%	0.590%
5/5/2026	Illinois Municipal Retirement Fund	3,428	$3.75M	0.0%	N/A	0.007%
5/5/2026	Three Seasons Wealth LLC	879	$0.96M	0.4%	+225.6%	0.002%
5/5/2026	MASTERINVEST Kapitalanlage GmbH	198	$0.22M	0.0%	N/A	0.000%
5/5/2026	Ethos Financial Group LLC	353	$0.39M	0.0%	+7.0%	0.001%
5/5/2026	Sanctuary Advisors LLC	16,406	$17.94M	0.1%	-3.9%	0.033%
5/5/2026	Sigma Planning Corp	414	$0.45M	0.0%	N/A	0.001%
5/5/2026	Checchi Capital Advisers LLC	334	$0.37M	0.0%	+26.5%	0.001%
5/5/2026	First National Bank of Hutchinson	987	$1.08M	0.7%	+4.1%	0.002%
5/4/2026	Calamos Wealth Management LLC	397	$0.43M	0.0%	-17.3%	0.001%
5/4/2026	Calamos Advisors LLC	4,368	$4.78M	0.0%	+51.1%	0.009%
5/4/2026	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	5,235	$5.72M	0.1%	+11.4%	0.011%
5/4/2026	State of Michigan Retirement System	13,970	$15.27M	0.1%	+1.5%	0.028%
5/4/2026	Principal Financial Group Inc.	174,199	$190.46M	0.1%	+4.1%	0.355%
5/4/2026	Chicago Partners Investment Group LLC	746	$0.82M	0.0%	+41.3%	0.002%
5/4/2026	J. Safra Sarasin Holding AG	1,755	$1.92M	0.0%	+23.4%	0.004%
5/2/2026	International Assets Investment Management LLC	263	$0.29M	0.0%	-3.7%	0.001%
5/2/2026	Diversify Wealth Management LLC	1,761	$1.93M	0.0%	N/A	0.004%
5/1/2026	Commonwealth of Pennsylvania Public School Empls Retrmt SYS	11,346	$12.41M	0.1%	+1.8%	0.023%
5/1/2026	Ferguson Wellman Capital Management Inc.	183	$0.20M	0.0%	N/A	0.000%
5/1/2026	Citizens Financial Group Inc. RI	900	$0.98M	0.0%	-12.1%	0.002%
5/1/2026	Midwest Trust Co	7,418	$8.11M	0.1%	+2.9%	0.015%
5/1/2026	Fifth Third Bancorp	25,811	$28.22M	0.1%	+53.4%	0.053%
5/1/2026	Sovran Advisors LLC	423	$0.46M	0.0%	-1.9%	0.001%
5/1/2026	Vantage Investment Partners LLC	8,715	$9.53M	0.7%	-13.7%	0.018%
5/1/2026	American Trust	812	$0.89M	0.1%	-13.8%	0.002%
5/1/2026	Torray Investment Partners LLC	3,707	$4.05M	0.6%	-12.8%	0.008%
5/1/2026	Simplicity Wealth LLC	327	$0.36M	0.0%	+20.7%	0.001%
5/1/2026	Candriam S.C.A.	68,944	$75.38M	0.4%	-27.0%	0.140%
5/1/2026	Conning Inc.	214	$0.23M	0.0%	-11.9%	0.000%
5/1/2026	Sequoia Financial Advisors LLC	2,859	$3.13M	0.0%	+6.4%	0.006%
5/1/2026	Kornitzer Capital Management Inc. KS	4,177	$4.57M	0.1%	-20.1%	0.009%
4/30/2026	Stiles Financial Services Inc	2,769	$3.03M	0.9%	-0.3%	0.006%
4/30/2026	Hsbc Holdings PLC	158,873	$173.51M	0.1%	-20.8%	0.323%
4/30/2026	Graetz Wealth LLC	218	$0.24M	0.2%	-17.7%	0.000%
4/30/2026	Roman Butler Fullerton & Co.	155	$0.17M	0.0%	N/A	0.000%
4/30/2026	Kestra Advisory Services LLC	1,398	$1.53M	0.0%	-27.5%	0.003%
4/30/2026	Azzad Asset Management Inc. ADV	4,665	$5.10M	0.5%	-3.1%	0.009%
4/30/2026	Sumitomo Mitsui Trust Group Inc.	114,464	$125.15M	0.1%	-3.8%	0.233%
4/30/2026	Resona Asset Management Co. Ltd.	57,707	$61.66M	0.3%	-13.1%	0.117%
4/30/2026	Mitsubishi UFJ Morgan Stanley Securities Co. Ltd.	295	$0.32M	0.8%	-79.2%	0.001%
4/30/2026	WPG Advisers LLC	50	$55K	0.0%	-15.3%	0.000%
4/30/2026	CFS Investment Advisory Services LLC	137	$0.15M	0.0%	N/A	0.000%
4/30/2026	Oregon Public Employees Retirement Fund	5,591	$6.11M	0.1%	+2.1%	0.011%
4/30/2026	Taylor Frigon Capital Management LLC	1,855	$2.03M	1.2%	-54.7%	0.004%
4/30/2026	Frank Rimerman Advisors LLC	361	$0.40M	0.0%	+5.2%	0.001%
4/29/2026	Childress Capital Advisors LLC	199	$0.22M	0.0%	N/A	0.000%
4/29/2026	Clearwave Capital LLC	342	$0.37M	0.3%	N/A	0.001%
4/29/2026	Resonant Capital Advisors LLC	296	$0.32M	0.0%	+17.0%	0.001%
4/29/2026	United Asset Strategies Inc.	987	$1.08M	0.1%	-25.7%	0.002%
4/29/2026	Burney Co.	8,763	$9.58M	0.3%	-37.3%	0.018%
4/29/2026	Swedbank AB	32,644	$35.69M	0.0%	-12.7%	0.066%
4/29/2026	Integrated Advisors Network LLC	682	$0.75M	0.0%	-18.2%	0.001%
4/28/2026	Abel Hall LLC	202	$0.22M	0.0%	N/A	0.000%
4/28/2026	Whittier Trust Co. of Nevada Inc.	20,227	$23.87M	0.5%	-11.5%	0.041%
4/28/2026	Whittier Trust Co.	42,010	$49.57M	0.6%	-5.1%	0.086%
4/28/2026	DGS Capital Management LLC	204	$0.22M	0.0%	N/A	0.000%
4/28/2026	Stephens Inc. AR	676	$0.74M	0.0%	+5.3%	0.001%
4/28/2026	Stephens Investment Management Group LLC	12,825	$14.02M	0.2%	+8.4%	0.026%
4/28/2026	GM Advisory Group LLC	203	$0.22M	0.0%	N/A	0.000%
4/28/2026	Koshinski Asset Management Inc.	272	$0.30M	0.0%	N/A	0.001%
4/28/2026	V Square Quantitative Management LLC	597	$0.65M	0.1%	+4.4%	0.001%
4/28/2026	QRG Capital Management Inc.	6,493	$7.10M	0.1%	-5.6%	0.013%
4/27/2026	HB Wealth Management LLC	4,395	$4.81M	0.0%	-27.5%	0.009%
4/27/2026	Moran Wealth Management LLC	15,725	$17.19M	0.5%	-0.9%	0.032%
4/27/2026	Leelyn Smith LLC	3,345	$3.66M	0.5%	-2.2%	0.007%
4/27/2026	World Investment Advisors	3,576	$3.91M	0.1%	-5.6%	0.007%
4/27/2026	Turtle Creek Wealth Advisors LLC	399	$0.44M	0.0%	+21.3%	0.001%
4/27/2026	New York State Teachers Retirement System	39,403	$43.08M	0.1%	-1.0%	0.080%
4/27/2026	Private Advisor Group LLC	4,077	$4.46M	0.0%	-11.5%	0.008%
4/27/2026	Optas LLC	306	$0.34M	0.1%	-22.5%	0.001%
4/27/2026	Y Intercept Hong Kong Ltd	4,629	$5.06M	0.1%	N/A	0.009%
4/27/2026	Leonteq Securities AG	163	$0.18M	0.0%	-29.7%	0.000%
4/27/2026	Fjarde AP Fonden Fourth Swedish National Pension Fund	21,498	$23.51M	0.1%	+63.4%	0.044%
4/27/2026	Elevation Point Wealth Partners LLC	642	$0.70M	0.0%	+154.8%	0.001%
4/27/2026	DSG Capital Advisors LLC	1,365	$1.49M	0.2%	-8.8%	0.003%
4/27/2026	Fideuram Intesa Sanpaolo Private Banking S.P.A.	2,991	$3.27M	0.1%	-6.1%	0.006%
4/25/2026	Strs Ohio	69,807	$76.32M	0.3%	-10.3%	0.142%
4/25/2026	Keybank National Association OH	1,713	$1.87M	0.0%	-3.3%	0.003%
4/25/2026	KPP Advisory Services LLC	1,119	$1.22M	0.2%	-1.1%	0.002%
4/24/2026	USS Investment Management Ltd	9,997	$10.93M	0.0%	+3.8%	0.020%
4/24/2026	IFM Investors Pty Ltd	9,569	$10.46M	0.1%	N/A	0.019%
4/24/2026	iA Global Asset Management Inc.	15,146	$16.56M	0.2%	+154.3%	0.031%
4/23/2026	Premier Path Wealth Partners LLC	274	$0.30M	0.0%	N/A	0.001%
4/23/2026	Moss Adams Wealth Advisors LLC	185	$0.20M	0.0%	N/A	0.000%
4/23/2026	Inspire Investing LLC	10,672	$11.67M	1.0%	+5.6%	0.022%
4/23/2026	Simmons Bank	1,166	$1.28M	0.1%	N/A	0.002%
4/23/2026	Lansforsakringar Fondforvaltning AB publ	11,839	$12.94M	0.1%	+1.2%	0.024%

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: $1,652.35

$1,556.31

$1,662.00

50 Day Range

MA: $1,236.23

$1,002.34

$1,632.06

52 Week Range

Now: $1,652.35

$613.00

$1,662.00

Volume

852,864 shs

Average Volume

605,889 shs

Market Capitalization

$81.18 billion

P/E Ratio

119.13

Dividend Yield

0.51%

Beta

1.74

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:
Bank of New York Mellon Corp — 0.59%
SG Americas Securities LLC — 0.37%
Principal Financial Group Inc. — 0.35%
Hsbc Holdings PLC — 0.32%
Vaughan Nelson Investment Management L.P. — 0.28%
Pictet Asset Management Holding SA — 0.25%
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:
Vaughan Nelson Investment Management L.P.
SG Americas Securities LLC
Hsbc Holdings PLC
Allspring Global Investments Holdings LLC
Pictet Asset Management Holding SA
Candriam S.C.A.
Park National Corp OH
Resona Asset Management Co. Ltd.
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)
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:
OP Asset Management Ltd
IFM Investors Pty Ltd
iA Global Asset Management Inc.
Fifth Third Bancorp
Fjarde AP Fonden Fourth Swedish National Pension Fund
Principal Financial Group Inc.
Aware Super Pty Ltd as trustee of Aware Super
Louisiana State Employees Retirement System