MPWR
Monolithic Power Systems Inc

MPWR.US monolithicpower.com
Technology · Semiconductors
1,186.08
-17.67 (-1.47%)
USD · NASDAQ
52-week range
824.23
1,711.48
Trading at 41% of the 52-week range
Market Cap
59.16B
P/E Ratio
73.18
Forward P/E
34.25
Book Value
79.27
Div. Yield
0.58%
% Institutions
100.72%
% Insiders
3.59%
1 Year

+39.7%
3 Year

+149.5%
10 Year

+1,607.5%
Description
Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally. The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications. It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products. The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and value-added resellers. Monolithic Power Systems, Inc. was incorporated in 1997 and is based in West Palm Beach, Florida.
People

▼
Directors & Officers

Name	Title	Year Born
Mr. Michael R. Hsing	Founder, Chairman, President & CEO	1960
Mr. Deming Xiao	Executive Vice President of Global Operations	1963
Ms. Saria Tseng	EVP of Strategic Corporate Development, General Counsel & Corporate Secretary	1971
Mr. Maurice Sciammas	Executive Vice President of Worldwide Sales & Marketing	1960
Mr. Robert W. Dean II	Interim Chief Financial Officer	1965
Ms. Genevieve Cunningham	Senior Manager of Marketing Communications	NA
Mr. Tony Balow	Vice President of Finance	NA
Arthur Lee	Finance Manager	NA
Insider Trading

Date	Insider Name	Title	Transaction Type	Shares	Price	Value
Apr 08, 2026	Saria Tseng	N/A	Sale	8.96K	$1.31K	$11.70M
Apr 06, 2026	Saria Tseng	N/A	Sale	7.64K	$1.17K	$8.92M
Apr 01, 2026	Maurice Sciammas	N/A	Sale	30.00	$1.12K	$33.49K
Apr 01, 2026	Saria Tseng	N/A	Sale	1.40K	$1.13K	$1.59M
Mar 30, 2026	Saria Tseng	N/A	Sale	25.67K	$1.01K	$25.94M
Mar 20, 2026	Maurice Sciammas	N/A	Sale	30.00	$1.10K	$32.85K
Mar 10, 2026	Ro Khanna	N/A	Sale	N/A	$1.06K	N/A
Feb 11, 2026	Maurice Sciammas	N/A	Sale	200.00	$1.18K	$235.99K
Feb 09, 2026	Victor K Lee	N/A	Sale	400.00	$1.21K	$484.86K
Feb 06, 2026	Maurice Sciammas	N/A	Sale	22.88K	$1.17K	$26.79M
Feb 06, 2026	Theodore Blegen	N/A	Sale	21.73K	$1.17K	$25.44M
Feb 06, 2026	Saria Tseng	N/A	Sale	22.88K	$1.17K	$26.79M
Feb 06, 2026	Deming Xiao	N/A	Sale	22.88K	$1.17K	$26.79M
Feb 05, 2026	Ro Khanna	N/A	Purchase	N/A	$1.16K	N/A
Feb 04, 2026	Markwayne Mullin	N/A	Purchase	N/A	$1.14K	N/A
Feb 02, 2026	Theodore Blegen	N/A	Sale	3.00K	$1.13K	$3.39M
Jan 05, 2026	Markwayne Mullin	N/A	Purchase	N/A	$955.03	N/A
Jan 02, 2026	Theodore Blegen	N/A	Sale	3.00K	$940.47	$2.82M
Jan 02, 2026	Victor K Lee	N/A	Sale	600.00	$930.86	$558.52K
Dec 24, 2025	Victor K Lee	N/A	Sale	1.00K	$951.72	$951.72K
Shareholders

▼
Institutional Holders

Holder Name	Shares	Date Reported	% Out	Value	% Change
BlackRock Inc	6.07M	Mar 31, 2026	12.36%	$0.12	1.85%
FMR Inc	4.40M	Mar 31, 2026	8.96%	$0.25	10.66%
Vanguard Capital Management, LLC	3.08M	Mar 31, 2026	6.27%	$0.08	0.00%
Vanguard Portfolio Management, LLC	2.52M	Mar 31, 2026	5.12%	$0.14	0.00%
Amvescap Plc.	2.52M	Mar 31, 2026	5.12%	$0.27	0.20%
State Street Corp	2.19M	Mar 31, 2026	4.45%	$0.08	0.37%
Geode Capital Management, LLC	1.43M	Mar 31, 2026	2.91%	$0.10	3.60%
T. Rowe Price Associates, Inc.	1.26M	Mar 31, 2026	2.57%	$0.16	-25.33%
Franklin Templeton Inc	928.67K	Mar 31, 2026	1.89%	$0.25	-11.51%
NORGES BANK	751.40K	Jun 30, 2026	1.53%	$0.10	3.40%
T. Rowe Price Investment Management,Inc.	721.62K	Mar 31, 2026	1.47%	$0.54	-39.91%
Morgan Stanley - Brokerage Accounts	656.37K	Mar 31, 2026	1.34%	$0.04	1.12%
The Goldman Sachs Group Inc	568.06K	Mar 31, 2026	1.16%	$0.07	-4.32%
Massachusetts Financial Services Company	567.77K	Mar 31, 2026	1.16%	$0.21	-0.52%
Barclays PLC	555.81K	Mar 31, 2026	1.13%	$0.15	-8.10%
JPMorgan Chase & Co	554.92K	Mar 31, 2026	1.13%	$0.04	8.32%
UBS Group AG	540.41K	Mar 31, 2026	1.10%	$0.09	23.11%
Van Eck Associates Corporation	524.57K	Mar 31, 2026	1.07%	$0.43	4.43%
Northern Trust Corp	489.12K	Mar 31, 2026	1.00%	$0.07	1.12%
First Trust Advisors L.P.	482.78K	Jun 30, 2026	0.98%	$0.39	-18.36%
Fund Holdings

Rank	Holder Name	Shares Held	% of Shares	Change	Date Reported
1	Fidelity Select Semiconductors	1.84M	3.75%	▼ 0.72%	Jul 31, 2026
2	Vanguard MStar Total Stk Mkt Idx Invest	1.49M	3.02%	▲ 0.29%	Jul 31, 2026
3	Vanguard 500 Index Investor	1.29M	2.63%	▲ 1.05%	Jul 31, 2026
4	iShares Semiconductor ETF	1.11M	2.25%	▼ 0.22%	Aug 31, 2026
5	Invesco QQQ Trust	1.06M	2.15%	▲ 0.51%	Aug 31, 2026
6	Vanguard MStar Mid Cap Index Instl	1.01M	2.06%	▼ 0.12%	Jul 31, 2026
7	VanEck Semiconductor ETF	707.59K	1.44%	▼ 0.24%	Aug 29, 2026
8	iShares Core S&P 500 ETF	654.50K	1.33%	▼ 0.16%	Aug 31, 2026
9	Fidelity 500 Index	635.30K	1.29%	▲ 0.80%	Jul 31, 2026
10	Fidelity Blue Chip Growth	629.06K	1.28%	▲ 0.00%	Jul 31, 2026
Financial Highlights

▼
Market Cap: $59.16B
EBITDA: $1.00B
P/E Ratio: $73.18
PEG Ratio: $0.91
Book Value: $79.27
Dividend/Share: $7.12
Dividend Yield: 0.58%
Earnings/Share: $16.45
Profit Margin: 24.50%
Operating Margin: 30.99%
ROA (TTM): 13.57%
ROE (TTM): 21.98%
Revenue (TTM): $3.27B
Revenue/Share (TTM): $67.27
Earnings Growth (YOY): 85.80%
Revenue Growth (YOY): 47.60%
Valuation Metrics

Enterprise Value: $58.49B
Trailing P/E: 73.18
Forward P/E: 34.25
Shares Statistics

Shares Outstanding: 49.14M
Shares Float: 47.36M
% Insiders: 3.59%
% Institutions: 100.72%
Short % Float: 5.04%
Stock Price History

▼
1 Year Price History

3 Years Price History

10 Years Price History

Financial Charts

▼
Download Financials (Excel)
Revenue, Net Income & Operating Cash Flow (Yearly)

Revenue, Net Income & Operating Cash Flow (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Income Statement Waterfall

▼
Line Item
Step Type
Value
Revenue
adjust
$2.79B
Cost of Goods Sold
adjust
$-1.25B
Gross Profit
subtotal
$1.54B
SG&A
adjust
$-428.84M
R&D
adjust
$-382.26M
Operating Income
subtotal
$728.64M
Other / Non-Operating Items
adjust
$-112.71M
Net Income
subtotal
$615.93M
Earnings Per Share (EPS) History

▼
Financial Ratios

▼
📦 Raw API Data (JSON Explorer)

▼
Comprehensive raw data returned from the EOD Fundamentals API. Expand sections below to drill down.
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    "General": {
        "Code": "MPWR",
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        "Name": "Monolithic Power Systems Inc",
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}
Monolithic Power Systems Inc

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