How many institutions own MPWR stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own MPWR shares is 1269, representing 100.9% of the company's common stock.

Who are the major shareholders selling Monolithic Power Systems, Inc. stock?

NORTHERN TRUST CORP, in the last quarter, reduced its stake in MPWR by -2.12% restricting it's holding to 498.52 thousand shares of worth nearly $289.13M. FRANKLIN RESOURCES INC also lessened -6.67% of the MPWR shares from its portfolio, reducing its holding to 1.34 million shares of worth $779.39M. ALLIANCEBERNSTEIN L.P. also shunned MPWR shares holding by -4.6% last quarter which brought its holding to 327.42 thousand shares worth $189.90M.

Investors who are buying MPWR stock?

As per its latest 13F filing, MORGAN STANLEY increased its stake in MPWR by 17.71% in the last quarter. The institutional holder raised its holding to 540.63 thousand shares having worth more than $313.56M. INVESCO LTD. also added 7.47% more shares of MPWR to its portfolio, raising its holding to 1.25 million shares of worth $724.59M. GEODE CAPITAL MANAGEMENT, LLC also increased its MPWR shares holding by 2.97% which brought its holding to 1.41 million shares worth $814.38M.

MPWR's major insiders: who are they?

The insider with the most stakes in MPWR is Hsing Michael , CEO at the company. Additionally, MPWR stock is highly held by EVP, Global Operations Xiao Deming and EVP & General Counsel Tseng Saria among others.

Did an insider recently sell MPWR stock?

Company executives, directors, and other insiders own 3.42% percent of Monolithic Power Systems, Inc.'s stock. Within the last six months, there have been 13 transaction(s) in which MPWR insiders have sold stock, totaling 40.73K shares. Insiders that have sold shares include BLEGEN THEODORE, CHANG KUO WEI HERBERT, and SCIAMMAS MAURICE.

Which insider recently purchased MPWR stock?

There have been 0 transaction(s) during the past 6-months in which Monolithic Power Systems, Inc. insiders have bought stock, totalling 0 shares

How much of MPWR does insiders own?

Around 3.06M Monolithic Power Systems, Inc. shares are held by insiders, which represents about 3.42% of MPWR stock.

Who is the insider with the largest stake?

MPWR CEO, Hsing Michael holds the largest portfolio of the company's shares. MPWR shares owned by Hsing total nearly 834.9 thousand.

Which institution holds the most shares in MPWR?

NORTHERN TRUST CORP is the largest institutional owner in MPWR which holds 498.52 thousand shares worth $289.13M or 1.04% of the total MPWR shares outstanding followed by MORGAN STANLEY with ownership of 540.63 thousand shares representing 1.13% of the MPWR ownership. INVESCO LTD. is the third largest stakeholder with 1.25 million shares or 2.61% of the ownership worth more than $724.59M.

Is Monolithic Power Systems, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the MPWR is concerned, it is a stock which is optionable.

Is there a short position on MPWR's shares?

Number of MPWR shares short is 2.63M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding MPWR shares are there?

As of today, 47.88M shares of MPWR are outstanding.

Is there many float in MPWR stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, MPWR has 46.19M shares in float.

MPWR short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for MPWR is 2.1.

Monolithic Power Systems (MPWR) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares5.49

Short Percent Of Float7.43

Shares Outstanding47.88M

Shares Float46.19M

Shares Short2.63M

Short Ratio2.1

7.43%

Short % of Float

5.49%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

3.42% Percentage of Shares held by All Insiders

100.9% Percentage of Shares held by All Institutions

104.48% Percentage of Float held by Institutions

1269

Number of Institutions Holding Shares

Institutional Ownership

About 100.9% of MPWR shares are held by financial institutions. NORTHERN TRUST CORP is the top corporate investor, holding 498.52K shares valued at $289.13M. A 1.04% stake in Monolithic Power Systems, Inc. is owned by the company. MORGAN STANLEY owns 540.63K shares valued at $313.56M, which translates its holding of 1.13% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	NORTHERN TRUST CORP	1.04%	498.52K	289.13M	-10.78K	-2.12%
Mar 31, 2025	MORGAN STANLEY	1.13%	540.63K	313.56M	81.33K	+17.71%
Mar 31, 2025	INVESCO LTD.	2.61%	1.25M	724.59M	86.85K	+7.47%
Mar 31, 2025	FRANKLIN RESOURCES INC	2.81%	1.34M	779.39M	-95.99K	-6.67%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.94%	1.41M	814.38M	40.58K	+2.97%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	4.25%	2.03M	1.18B	506.43K	+33.14%
Mar 31, 2025	PICTET ASSET MANAGEMENT HOLDING SA	0.36%	170.11K	98.66M	87.21K	+105.19%
Mar 31, 2025		0.38%	182.34K	105.75M	182.34K	+100.00%
Mar 31, 2025	COATUE MANAGEMENT LLC	0.4%	193.43K	112.19M	193.43K	+100.00%
Mar 31, 2025	PRINCIPAL FINANCIAL GROUP INC	0.37%	174.64K	101.29M	231	+0.13%
Mar 31, 2025	EARNEST PARTNERS LLC	0.42%	203.12K	117.8M	108	+0.05%
Mar 31, 2025	AMERICAN CENTURY COMPANIES INC	0.42%	203.17K	117.84M	7.51K	+3.84%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.59%	284.1K	164.77M	132.88K	+87.87%
Mar 31, 2025	ALLIANCEBERNSTEIN L.P.	0.68%	327.42K	189.9M	-15.78K	-4.60%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.7%	336.73K	195.3M	9.56K	+2.92%
Mar 31, 2025	DEUTSCHE BANK AG\	0.35%	169.2K	98.13M	10.16K	+6.39%
Mar 31, 2025	JPMORGAN CHASE & CO	1.32%	629.57K	365.14M	132.08K	+26.55%
Mar 31, 2025	ENVESTNET ASSET MANAGEMENT INC	0.35%	167.52K	97.16M	-6.35K	-3.65%
Mar 31, 2025	IMPAX ASSET MANAGEMENT GROUP PLC	0.44%	208.62K	120.14M	-29.29K	-12.31%
Mar 31, 2025	VOYA INVESTMENT MANAGEMENT LLC	0.37%	175.23K	101.63M	-23.28K	-11.73%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.37%	177.27K	102.82M	-8.19K	-4.42%
Mar 31, 2025	BARCLAYS PLC	0.77%	368.7K	213.84M	35.84K	+10.77%
Mar 31, 2025	RAFFERTY ASSET MANAGEMENT, LLC	0.81%	388.86K	225.53M	-30.34K	-7.24%
Mar 31, 2025	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.96%	457.55K	265.37M	-30.75K	-6.30%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	1.23%	587.03K	340.46M	32.23K	+5.81%
Mar 31, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.38%	183.16K	106.5M	-23.5K	-11.37%
Mar 31, 2025	FIRST TRUST ADVISORS LP	0.38%	183.4K	106.37M	106.31K	+137.89%
Mar 31, 2025	DEKABANK DEUTSCHE GIROZENTRALE	0.4%	190.05K	111.68M	-398	-0.21%
Mar 31, 2025	SEI INVESTMENTS CO	0.42%	200.44K	116.25M	2.03K	+1.02%
Mar 31, 2025	MACQUARIE GROUP LTD	0.48%	227.66K	128.81M	-35.38K	-13.45%
Mar 31, 2025	RAYMOND JAMES FINANCIAL INC	0.51%	245.66K	142.48M	7.71K	+3.24%
Mar 31, 2025	VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	0.54%	256.03K	148.49M	-130.66K	-33.79%
Mar 31, 2025	CITIGROUP INC	0.57%	272.98K	158.32M	-74.2K	-21.37%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.62%	298.51K	173.13M	33.09K	+12.47%
Mar 31, 2025	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	0.66%	314.45K	182.38M	130.39K	+70.85%
Mar 31, 2025	ENSIGN PEAK ADVISORS, INC	0.68%	324.13K	187.99M	-12.95K	-3.84%
Mar 31, 2025	ARTISAN PARTNERS LIMITED PARTNERSHIP	0.71%	341.85K	198.27M	-16.92K	-4.72%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.74%	355.31K	206.07M	5.39K	+1.54%
Mar 31, 2025	UBS GROUP AG	0.75%	357.29K	207.22M	-53.28K	-12.98%
Mar 31, 2025	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	0.75%	361.12K	209.44M	-1.64K	-0.45%
Mar 31, 2025	BLACKROCK, INC.	10.27%	4.91M	2.85B	-509.32K	-9.39%
Mar 31, 2025	VANGUARD GROUP INC	12.37%	5.92M	3.43B	96.4K	+1.66%
Mar 31, 2025	WELLINGTON MANAGEMENT GROUP LLP	1.59%	761.91K	441.89M	-91.12K	-10.68%
Mar 31, 2025	BROWN ADVISORY INC	1.95%	933.63K	541.48M	-52.38K	-5.31%
Mar 31, 2025	VAN ECK ASSOCIATES CORP	2.19%	1.05M	606.81M	270.23K	+34.82%
Mar 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.6%	287.15K	166.54M	95.25K	+49.63%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.61%	294.09K	170.57M	14.44K	+5.16%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.7%	335.99K	194.87M	10.16K	+3.12%
Mar 31, 2025	STATE STREET CORP	4.42%	2.12M	1.23B	-44.31K	-2.05%
Mar 31, 2025	FMR LLC	7.31%	3.5M	2.03B	380.56K	+12.20%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.51%	240.8K	163.12M	-63.1K	-20.76%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	4.54%	2.16M	1.46B	-32.6K	-1.49%
Mar 31, 2024	BROWN ADVISORY INC	2.13%	1.04M	702.34M	8.32K	+0.81%
Mar 31, 2024	JPMORGAN CHASE & CO	2.07%	985.15K	667.36M	-239.62K	-19.56%
Mar 31, 2024	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	2.03%	985.04K	667.29M	-71.14K	-6.74%
Mar 31, 2024	ROBECO SCHWEIZ AG	0.46%	225.92K	153.04M	-24.46K	-9.77%
Mar 31, 2024	LORD, ABBETT & CO. LLC	0.34%	163.55K	110.79M	-2.53K	-1.52%
Mar 31, 2024	NEUBERGER BERMAN GROUP LLC	0.34%	160.6K	108.79M	-3.74K	-2.27%
Mar 31, 2024	BAIRD FINANCIAL GROUP, INC.	0.34%	160.13K	108.47M	2.68K	+1.70%
Mar 31, 2024	ENSIGN PEAK ADVISORS, INC	0.33%	158.32K	107.25M	-17K	-9.70%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.31%	148.81K	100.8M	-845	-0.56%
Mar 31, 2024	CIBC PRIVATE WEALTH GROUP, LLC	0.31%	146.48K	97.92M	30.3K	+26.08%
Mar 31, 2024	SWISS NATIONAL BANK	0.3%	143.5K	97.21M	1.5K	+1.06%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.27%	129.74K	87.89M	-12.26K	-8.63%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.24%	115.1K	77.97M	5.34K	+4.86%
Mar 31, 2024	RHUMBLINE ADVISERS	0.24%	112.59K	76.27M	2.25K	+2.04%
Mar 31, 2024	BLACKROCK INC.	11.27%	5.36M	3.63B	128.39K	+2.45%
Mar 31, 2024	FMR LLC	5.9%	2.81M	1.9B	281.25K	+11.12%
Mar 31, 2024	UBS GROUP AG	0.35%	168.54K	114.17M	-25.75K	-13.25%
Mar 31, 2024	VANGUARD GROUP INC	11.59%	5.52M	3.74B	55.87K	+1.02%
Mar 31, 2024	STATE STREET CORP	4.19%	1.99M	1.35B	43.9K	+2.25%
Mar 31, 2024	FRANKLIN RESOURCES INC	3.69%	1.79M	1.22B	-36.01K	-1.97%
Mar 31, 2024	INVESCO LTD.	2.52%	1.2M	813.24M	-62.08K	-4.92%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	2.41%	1.15M	775.64M	51.37K	+4.68%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	2%	953.64K	646.01M	14.72K	+1.57%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	1.69%	806.02K	546.01M	197.71K	+32.50%
Mar 31, 2024	CAPITAL RESEARCH GLOBAL INVESTORS	1.08%	527.4K	357.27M	-88.78K	-14.41%
Mar 31, 2024	MORGAN STANLEY	1.04%	493.16K	334.08M	80.85K	+19.61%
Mar 31, 2024	VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	0.99%	483.81K	327.74M	22.73K	+4.93%
Mar 31, 2024	MACQUARIE GROUP LTD	0.94%	446.4K	302.4M	-7.74K	-1.70%
Mar 31, 2024	NORTHERN TRUST CORP	0.91%	432.21K	292.79M	-13.9K	-3.12%
Mar 31, 2024	RAFFERTY ASSET MANAGEMENT, LLC	0.88%	425.56K	288.28M	120.61K	+39.55%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.86%	411.62K	278.84M	47.47K	+13.04%
Mar 31, 2024	ARTISAN PARTNERS LIMITED PARTNERSHIP	0.8%	387.21K	262.3M	-322.74K	-45.46%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.7%	332.12K	224.98M	-7.28K	-2.15%
Mar 31, 2024	CLEARBRIDGE INVESTMENTS, LLC	0.67%	325.75K	220.67M	-64.29K	-16.48%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.66%	321.64K	217.88M	1.05K	+0.33%
Mar 31, 2024	VAN ECK ASSOCIATES CORP	0.66%	321.17K	217.57M	74.29K	+30.09%
Mar 31, 2024	BARCLAYS PLC	0.66%	313.77K	212.55M	29.61K	+10.42%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.63%	305.15K	206.71M	148.77K	+95.14%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.62%	294.32K	199.37M	8.06K	+2.82%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.62%	293.57K	198.87M	-33.66K	-10.29%
Mar 31, 2024	EARNEST PARTNERS LLC	0.6%	290.88K	197.05M	14.33K	+5.18%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0.54%	260.95K	176.77M	247.32K	+1,815.07%
Mar 31, 2024	SEI INVESTMENTS CO	0.53%	252.03K	170.73M	-13.31K	-5.02%
Mar 31, 2024	CITIGROUP INC	0.52%	248.32K	168.21M	130.95K	+111.58%
Mar 31, 2024	PICTET ASSET MANAGEMENT HOLDING SA	0.52%	253.43K	171.63M	-1.92K	-0.75%
Mar 31, 2024	CONGRESS ASSET MANAGEMENT CO /MA	0.52%	251.15K	170.14M	-4.71K	-1.84%
Mar 31, 2024	IMPAX ASSET MANAGEMENT GROUP PLC	0.5%	243.68K	164.2M	-57.98K	-19.22%
Mar 31, 2024	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	0.5%	241.42K	163.54M	25.2K	+11.65%
Mar 31, 2024	VOYA INVESTMENT MANAGEMENT LLC	0.5%	236.25K	160.04M	-36.33K	-13.33%
Mar 31, 2024	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.49%	237.86K	161.13M	-35.32K	-12.93%
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.48%	234.25K	158.68M	-45.37K	-16.23%
Mar 31, 2024	EAGLE ASSET MANAGEMENT INC	0.42%	204.73K	136.86M	-43.72K	-17.60%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.42%	199.47K	135.12M	8.72K	+4.57%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.42%	197.79K	134M	-82.56K	-29.45%
Mar 31, 2024	DEKABANK DEUTSCHE GIROZENTRALE	0.39%	190.05K	127.36M	-14.59K	-7.13%
Mar 31, 2024	NATIXIS ADVISORS, L.P.	0.35%	171.36K	116.08M	15.58K	+10.00%
Mar 31, 2024	ENVESTNET ASSET MANAGEMENT INC	0.35%	165.85K	112.35M	-1.06K	-0.64%
Dec 31, 2023	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	2.21%	1.06M	666.22M	3.11K	+0.29%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	2.29%	1.1M	689.92M	33.19K	+3.12%
Dec 31, 2023	JPMORGAN CHASE & CO	2.56%	1.22M	772.56M	11.12K	+0.92%
Dec 31, 2023	INVESCO LTD.	2.64%	1.26M	796.41M	285.54K	+29.22%
Dec 31, 2023	FRANKLIN RESOURCES INC	3.83%	1.83M	1.15B	43.19K	+2.42%
Dec 31, 2023	STATE STREET CORP	4.08%	1.95M	1.23B	70.1K	+3.73%
Dec 31, 2023	ENSIGN PEAK ADVISORS, INC	0.37%	175.31K	110.58M	23.91K	+15.80%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.4%	190.75K	120.32M	6.04K	+3.27%
Dec 31, 2023	UBS GROUP AG	0.41%	194.29K	122.55M	97.36K	+100.44%
Dec 31, 2023	FRONTIER CAPITAL MANAGEMENT CO LLC	0.41%	196.03K	123.65M	15.26K	+8.44%
Dec 31, 2023	FMR LLC	5.29%	2.53M	1.59B	-1.06M	-29.46%
Dec 31, 2023	BLACKROCK INC.	10.96%	5.24M	3.3B	-43.27K	-0.82%
Dec 31, 2023	VANGUARD GROUP INC	11.44%	5.46M	3.45B	90.59K	+1.69%
Dec 31, 2023	LORD, ABBETT & CO. LLC	0.35%	166.08K	104.76M	63.14K	+61.33%
Dec 31, 2023	ENVESTNET ASSET MANAGEMENT INC	0.35%	166.91K	105.28M	-383	-0.23%
Dec 31, 2023	DEKABANK DEUTSCHE GIROZENTRALE	0.43%	204.64K	128.63M	-797	-0.39%
Dec 31, 2023	KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	0.45%	216.23K	136.39M	19.44K	+9.88%
Dec 31, 2023	POLAR CAPITAL HOLDINGS PLC	0.46%	220.22K	138.91M	-52.87K	-19.36%
Dec 31, 2023	VAN ECK ASSOCIATES CORP	0.52%	246.89K	155.73M	21.83K	+9.70%
Dec 31, 2023	EAGLE ASSET MANAGEMENT INC	0.52%	248.45K	156.72M	258	+0.10%
Dec 31, 2023	ROBECO SCHWEIZ AG	0.52%	250.37K	157.93M	6.16K	+2.52%
Dec 31, 2023		0.53%	255.35K	161.07M	22.27K	+9.56%
Dec 31, 2023	CONGRESS ASSET MANAGEMENT CO /MA	0.54%	255.86K	161.39M	-3.74K	-1.44%
Dec 31, 2023	SEI INVESTMENTS CO	0.56%	265.33K	167.37M	-21.9K	-7.62%
Dec 31, 2023	VOYA INVESTMENT MANAGEMENT LLC	0.57%	272.58K	171.94M	49.66K	+22.27%
Dec 31, 2023	WASATCH ADVISORS LP	0.57%	272.83K	172.1M	-40.52K	-12.93%
Dec 31, 2023	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.57%	273.18K	172.32M	-56.77K	-17.20%
Dec 31, 2023	EARNEST PARTNERS LLC	0.58%	276.55K	174.44M	40.15K	+16.99%
Dec 31, 2023	AMERICAN CENTURY COMPANIES INC	0.59%	279.62K	176.38M	7.58K	+2.79%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.59%	280.35K	176.87M	-134.17K	-32.37%
Dec 31, 2023	BARCLAYS PLC	0.59%	284.16K	179.24M	44.01K	+18.33%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.6%	286.26K	180.56M	9.22K	+3.33%
Dec 31, 2023	IMPAX ASSET MANAGEMENT GROUP PLC	0.63%	301.66K	189.33M	-17.08K	-5.36%
Dec 31, 2023	RAFFERTY ASSET MANAGEMENT, LLC	0.64%	304.95K	192.36M	41.39K	+15.70%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.67%	320.59K	202.22M	48.6K	+17.87%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.68%	327.23K	206.41M	-32.39K	-9.01%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.71%	339.4K	214.09M	-1.35K	-0.40%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.76%	364.15K	229.7M	115.93K	+46.70%
Dec 31, 2023	CLEARBRIDGE INVESTMENTS, LLC	0.82%	390.04K	246.03M	-16.3K	-4.01%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	4.59%	2.19M	1.38B	377.92K	+20.83%
Dec 31, 2023	MORGAN STANLEY	0.86%	412.31K	260.08M	13.34K	+3.34%
Dec 31, 2023	NORTHERN TRUST CORP	0.93%	446.11K	281.4M	-13.67K	-2.97%
Dec 31, 2023	MACQUARIE GROUP LTD	0.95%	454.14K	286.46M	-17.37K	-3.68%
Dec 31, 2023	VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	0.96%	461.09K	290.84M	73.56K	+18.98%
Dec 31, 2023	NORGES BANK	1.2%	574.65K	362.48M	574.65K	+100.00%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	1.27%	608.3K	383.71M	27.02K	+4.65%
Dec 31, 2023	CAPITAL RESEARCH GLOBAL INVESTORS	1.29%	616.18K	388.67M	7.32K	+1.20%
Dec 31, 2023	ARTISAN PARTNERS LIMITED PARTNERSHIP	1.49%	709.95K	447.82M	-74.14K	-9.46%
Dec 31, 2023	WELLINGTON MANAGEMENT GROUP LLP	1.97%	938.92K	592.25M	938.92K	+100.00%
Dec 31, 2023	BROWN ADVISORY INC	2.15%	1.03M	648.74M	43.23K	+4.39%

Insiders

Among the MPWR insiders holding of 3.42% of the stake in company, HSING MICHAEL, CEO, holds the largest shares of 834.9K. XIAO DEMING, EVP, Global Operations, is the second largest MPWR insider with ownership of 161.58K shares. TSENG SARIA, EVP & General Counsel, stands third with possession of 158.98K shares of that stake.

Insiders	Designation	Shares Held
HSING MICHAEL	CEO	834.9K
XIAO DEMING	EVP, Global Operations	161.58K
TSENG SARIA	EVP & General Counsel	158.98K
BLEGEN THEODORE	EVP and CFO	46.94K
LEE VICTOR K	director	29.23K
ZHOU JEFF	director	6.07K
SCIAMMAS MAURICE	EVP, WW Sales & Marketing	4.02K
CHANG KUO WEI HERBERT	director	626

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jul 01, 2025	BLEGEN THEODORE	SALE	750.00	6K	4.5M	46.94K
May 13, 2025	CHANG KUO WEI HERBERT	SALE	738.00	50	36.9K	626
May 12, 2025	CHANG KUO WEI HERBERT	SALE	698.00	100	69.8K	676
May 12, 2025	SCIAMMAS MAURICE	SALE	701.00	12K	8.41M	4.02K
May 08, 2025	CHANG KUO WEI HERBERT	SALE	650.00	100	65K	776
Feb 18, 2025	HSING MICHAEL	SALE	700.00	5.2K	3.64M	834.9K
Feb 10, 2025	HSING MICHAEL	SALE	717.10	2.59K	1.86M	840.07K
Feb 10, 2025	SCIAMMAS MAURICE	SALE	717.10	662	474.72K	102.3K
Feb 10, 2025	TSENG SARIA	SALE	717.10	663	475.44K	158.98K
Feb 10, 2025	XIAO DEMING	SALE	717.10	662	474.72K	161.58K
Feb 10, 2025	BLEGEN THEODORE	SALE	717.10	532	381.5K	52.91K
Feb 07, 2025	HSING MICHAEL	SALE	700.00	11.96K	8.37M	842.67K
Feb 07, 2025	SCIAMMAS MAURICE	SALE	704.91	200	140.98K	16.02K
Jan 24, 2025	HSING MICHAEL	SALE	700.00	3.64K	2.55M	854.63K
Dec 09, 2024	BLEGEN THEODORE	SALE	600.00	2.5K	1.5M	53.44K
Nov 08, 2024	BLEGEN THEODORE	SALE	765.15	734	561.62K	55.94K
Nov 08, 2024	TSENG SARIA	SALE	765.14	866	662.61K	159.64K
Nov 08, 2024	XIAO DEMING	SALE	765.14	866	662.61K	162.24K
Nov 08, 2024	HSING MICHAEL	SALE	765.15	2.81K	2.15M	858.27K
Nov 08, 2024	SCIAMMAS MAURICE	SALE	765.14	866	662.61K	102.96K
Nov 01, 2024	BLEGEN THEODORE	SALE	779.79	100	77.98K	56.68K
Oct 07, 2024	SCIAMMAS MAURICE	SALE	935.00	200	187K	103.83K
Oct 01, 2024	BLEGEN THEODORE	SALE	925.12	26	24.05K	59.18K
Sep 03, 2024	BLEGEN THEODORE	SALE	919.73	250	229.93K	61.68K
Aug 27, 2024	XIAO DEMING	SALE	950.00	9.26K	8.8M	20.46K
Aug 22, 2024	XIAO DEMING	SALE	950.00	10K	9.5M	29.71K
Aug 16, 2024	HSING MICHAEL	SALE	823.27	100	82.33K	864.01K
Aug 15, 2024	CHANG KUO WEI HERBERT	SALE	898.00	100	89.8K	541
Aug 09, 2024	HSING MICHAEL	SALE	840.24	114	95.79K	861.07K
Aug 08, 2024	SCIAMMAS MAURICE	SALE	778.39	859	668.64K	114.81K
Aug 08, 2024	XIAO DEMING	SALE	778.39	859	668.64K	202.35K
Aug 08, 2024	TSENG SARIA	SALE	778.39	859	668.64K	160.51K
Aug 08, 2024	HSING MICHAEL	SALE	778.39	2.79K	2.17M	865.33K
Aug 08, 2024	BLEGEN THEODORE	SALE	778.39	728	566.67K	64.18K
Aug 01, 2024	BLEGEN THEODORE	SALE	859.12	100	85.91K	64.91K
Jul 22, 2024	TSENG SARIA	SALE	831.58	3.21K	2.67M	161.37K
Jul 22, 2024	XIAO DEMING	SALE	831.58	3.21K	2.67M	203.21K
Jul 22, 2024	SCIAMMAS MAURICE	SALE	831.58	3.21K	2.67M	115.67K
Jul 22, 2024	HSING MICHAEL	SALE	831.58	9.61K	7.99M	868.12K
Jul 22, 2024	BLEGEN THEODORE	SALE	831.58	2.58K	2.15M	67.41K
Jul 08, 2024	SCIAMMAS MAURICE	SALE	848.48	96	81.45K	118.88K
Jul 02, 2024	TSENG SARIA	SALE	824.65	1.86K	1.53M	164.57K
Jul 01, 2024	TSENG SARIA	SALE	816.34	2.66K	2.17M	166.43K
Jul 01, 2024	HSING MICHAEL	SALE	807.88	102	82.4K	877.74K
Jul 01, 2024	BLEGEN THEODORE	SALE	807.88	95	76.75K	69.99K
Jun 28, 2024	LEE VICTOR K	SALE	820.46	1K	820.46K	29.23K
Jun 10, 2024	BLEGEN THEODORE	SALE	741.66	84	62.3K	72.66K
Jun 03, 2024	BLEGEN THEODORE	SALE	746.35	66	49.26K	72.49K
Jun 03, 2024	HSING MICHAEL	SALE	746.35	213	158.97K	880.41K
May 22, 2024	XIAO DEMING	SALE	769.40	1.3K	1M	206.42K
May 20, 2024	CHANG KUO WEI HERBERT	SALE	750.00	200	150K	741
May 20, 2024	ZHOU JEFF	SALE	750.00	200	150K	6.07K
May 15, 2024	CHANG KUO WEI HERBERT	SALE	740.00	100	74K	941
May 08, 2024	XIAO DEMING	SALE	690.02	869	599.63K	207.75K
May 08, 2024	BLEGEN THEODORE	SALE	689.98	737	508.52K	74.99K
May 08, 2024	HSING MICHAEL	SALE	690.00	2.82K	1.95M	888.41K
May 08, 2024	TSENG SARIA	SALE	690.02	869	599.63K	203.52K
May 08, 2024	SCIAMMAS MAURICE	SALE	690.00	869	599.61K	129.88K
May 01, 2024	HSING MICHAEL	SALE	652.81	339	221.3K	898.89K
May 01, 2024	BLEGEN THEODORE	SALE	658.90	61	40.19K	78.16K
Apr 08, 2024	SCIAMMAS MAURICE	SALE	690.15	100	69.02K	130.74K
Apr 01, 2024	HSING MICHAEL	SALE	670.56	200	134.11K	907.03K
Apr 01, 2024	BLEGEN THEODORE	SALE	687.44	100	68.74K	78.22K
Mar 01, 2024	BLEGEN THEODORE	SALE	729.19	149	108.65K	80.78K
Mar 01, 2024	HSING MICHAEL	SALE	733.37	200	146.67K	907.23K
Feb 29, 2024	CHANG KUO WEI HERBERT	SALE	706.34	250	176.59K	1.14K
Feb 22, 2024	CHANG KUO WEI HERBERT	SALE	750.00	250	187.5K	1.39K
Feb 12, 2024	ZHOU JEFF	SALE	750.57	200	150.11K	6.27K
Feb 08, 2024	XIAO DEMING	SALE	680.00	859	584.12K	208.58K
Feb 08, 2024	BLEGEN THEODORE	SALE	680.00	728	495.04K	83.17K
Feb 08, 2024	HSING MICHAEL	SALE	680.00	2.79K	1.9M	915.19K
Feb 08, 2024	SCIAMMAS MAURICE	SALE	680.00	859	584.12K	141.72K
Feb 08, 2024	TSENG SARIA	SALE	680.00	859	584.12K	204.34K
Feb 05, 2024	BLEGEN THEODORE	SALE	641.00	867	555.75K	83.9K
Feb 05, 2024	XIAO DEMING	SALE	641.00	982	629.46K	209.44K
Feb 05, 2024	TSENG SARIA	SALE	641.00	982	629.46K	205.2K
Feb 05, 2024	SCIAMMAS MAURICE	SALE	641.00	982	629.46K	142.58K
Feb 05, 2024	HSING MICHAEL	SALE	641.00	3.79K	2.43M	917.98K
Feb 01, 2024	HSING MICHAEL	SALE	594.81	400	237.92K	929.37K
Feb 01, 2024	BLEGEN THEODORE	SALE	600.37	868	521.12K	86.4K
Jan 12, 2024	SCIAMMAS MAURICE	SALE	577.66	2K	1.15M	152.56K
Jan 10, 2024	XIAO DEMING	SALE	584.39	500	292.2K	221.44K
Jan 09, 2024	TSENG SARIA	SALE	600.00	1.39K	834K	206.18K
Jan 05, 2024	HSING MICHAEL	SALE	568.36	102	57.97K	937.67K
Jan 04, 2024	XIAO DEMING	SALE	583.14	25.31K	14.76M	221.94K
Jan 04, 2024	TSENG SARIA	SALE	583.14	25.31K	14.76M	207.57K
Jan 04, 2024	SCIAMMAS MAURICE	SALE	583.14	27.66K	16.13M	154.56K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES40.73K13

NET SHARES-40.73K13

SHARES HELD3.06M13

% NET SHARES-101.33%0%

Frequently Asked Questions