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MPWR

Monolithic Power Systems, Inc.Pre-market

1,319.23−67.06 −4.84%USD

NasdaqGS · as of Oct 12, 16:00 ET · 15m delayPre-market 1,296.80 −1.70%

Open

1,364.44

Prev close

1,386.29

Day range

1,314.521,365.36

52-week range

833.181,714.09

Volume

830.61K1.12×

Mkt cap

64.83B

P/E ttm

80.25

Fwd P/E

37.72

EPS ttm

16.44

Div yield

0.61%

Earnings

Oct 29, 2026

From 52w high

−23.04%

Price Chart

Yahoo Finance · delayed

MPWROct 12, 2026O 1,365.36H 1,365.36L 1,314.52C 1,319.23−67.06 (−4.84%)Vol 869.80K

SMA 501,314.71
SMA 2001,297.49

1Y change +45.86% since Oct 10, 2025 close539 bars loadedTimes in America/New_YorkDraw from the left toolbar · click a drawing to edit · right-click for alerts and export

MPWR Monolithic Power Systems, Inc. · Last Guard Finance

DES

Key Statistics

Yahoo Finance

Performance

1 week: −10.86%
1 month: +6.87%
3 months: +2.16%
6 months: −3.86%
Year to date: +45.55%
1 year: +45.86%

Valuation & ownership

Market cap: 64.83B
Enterprise value: 63.44B
P/E (ttm): 80.25
Forward P/E: 37.72
PEG ratio: 1.04
Price / book: 16.64
Price / sales (ttm): 19.81
EV / EBITDA: 63.42
EPS (ttm): 16.44
EPS (forward): 34.98
Beta (5y monthly): 1.68
Dividend yield: 0.61%
Payout ratio: 43.31%
Shares outstanding: 49.14M
Float: 47.39M
Short % of float: 5.09%
Short ratio (days): 2.58
Held by insiders: 3.59%
Held by institutions: 100.49%
Avg volume (3m): 739.59K
50-day average: 1,314.71
200-day average: 1,297.49
52-week change: +45.86%
S&P 500 52-week: +17.50%

Technicals (daily)

RSI (14): 47.6
vs 50-day SMA: +0.34%
vs 200-day SMA: +1.68%
50 / 200-day trend: ▲ 50 above 200
MACD vs signal: ▼ below
ATR (14) % of price: 4.24%
Realised vol (20d, ann.): 51.4%
From 52-week high: −23.04%
From 52-week low: +58.34%

Signals (TECH)none at the last close

ANR

Analyst Consensus

15 analysts

Consensus

Strong buy

1.35 on a 1 (strong buy) – 5 (sell) scale

Mean target

1,839.80

+39.46% implied

Low 1,575.00Median 1,820.00High 2,100.00

Recommendation trend

Now15 / 2 / 0
1m ago

DES

About Monolithic Power Systems, Inc.

Yahoo Finance profile

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.

Sector: Technology
Industry: Semiconductors
Employees: 4,501
Headquarters: West Palm Beach, FL, United States
Website: monolithicpower.com
Officers: Mr. Michael R. Hsing Founder, Chairman, President & CEO
Mr. Deming Xiao Executive Vice President of Global Operations
Ms. Saria Tseng EVP of Strategic Corporate Development, General Counsel & Corporate Secretary

SEAS

Seasonality · MPWR

2007–2026 · monthly returns

Strongest month Aug +5.59%Weakest month Sep −2.82%Averages use completed years only. Past seasonality doesn't predict future returns.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	24.0	1.7	-4.3	47.7	-3.0	-11.7	3.2	-11.1	6.3	-2.1			+45.6%
2025	7.7	-4.1	-5.1	2.3	11.6	10.5	-2.8	17.5	10.2	9.2	-7.6	-2.3	+53.2%
2024	-4.4	19.5	-5.9	-1.2	9.9	11.7	5.0	8.3	-1.1	-17.9	-25.2	4.2	−6.2%
2023	20.6	13.5	3.4	-7.7	6.0	10.3	3.6	-6.8	-11.4	-4.4	24.2	15.0	+78.4%
2022	-18.3	13.8	5.9	-19.2	14.8	-14.7	21.0	-2.5	-19.8	-6.6	12.5	-7.4	−28.3%
2021	-3.0	5.4	-5.7	2.3	-5.1	8.8	20.3	10.2	-2.1	8.4	5.3	-10.9	+34.7%
2020	-3.8	-7.3	5.6	19.4	4.9	13.0	11.8	0.8	4.7	14.3	0.1	14.5	+105.7%
2019	8.9	6.0	1.0	14.9	-25.2	16.6	9.1	1.6	3.4	-3.7	7.2	10.8	+53.1%
2018	6.0	-1.7	-1.1	1.1	12.6	1.4	-0.7	13.0	-16.2	-5.9	11.8	-12.0	+3.5%
2017	6.5	0.8	4.7	-0.7	7.3	-1.8	6.1	-1.0	5.2	14.2	-2.7	-5.1	+37.1%
2016	-1.8	-5.6	7.8	-1.9	9.5	-0.0	6.4	5.5	4.9	-2.1	4.1	-0.1	+28.6%
2015	-4.5	11.0	-0.2	-1.6	5.3	-7.1	2.0	-7.0	6.5	21.9	9.5	-6.8	+28.1%
2014	-5.7	9.6	8.2	-4.3	5.9	7.8	-2.6	15.9	-7.8	0.3	8.9	3.3	+43.5%
2013	4.7	5.4	-0.9	-1.0	1.9	-1.9	8.6	17.0	-1.1	5.2	4.9	3.8	+55.6%
2012	8.8	13.4	5.8	5.3	-9.3	5.6	-2.4	11.2	-8.4	-1.6	8.9	5.3	+47.8%
2011	-11.2	5.3	-8.2	19.7	1.9	-10.9	-12.5	-6.4	-19.4	22.4	-3.4	25.2	−8.8%
2010	-14.0	-1.5	9.8	10.5	-22.2	-6.9	-1.3	-6.9	-0.5	-1.6	0.4	2.4	−31.1%
2009	-3.6	6.6	19.7	19.4	11.9	8.2	-1.0	1.5	4.1	-14.8	7.6	11.5	+90.1%
2008	-27.2	6.4	5.9	29.9	5.8	-10.8	0.6	11.8	-28.6	-2.2	-43.7	31.8	−41.3%
2007	10.8	3.1	1.7	5.7	24.0	3.1	-4.2	22.5	24.0	-13.7	-13.0	12.5	+93.2%

INSD

Insider Activity · MPWR

Congress trades →SEC Form 4 filings via Yahoo Finance

Buys, 6 months

42.6K shares

Sells, 6 months

114.7K shares

Net shares

−72.1K

Net change in insider shares

−3.90%

Date	Insider	Transaction	Shares	Value
Sep 27, 2026	Hsing Michael RChief Executive Officer	Sale at price 1323.31 - 1356.94 per share.	30K	$40.35M
Aug 30, 2026	Tseng Saria HGeneral Counsel	Stock Gift at price 0.00 per share.	2K	—
Aug 23, 2026	Chang Kuo Wei HerbertDirector	Sale at price 1281.57 per share.	50	$64.08K
Aug 23, 2026	Dean Robert W IiChief Financial Officer	Sale at price 1297.72 per share.	32	$41.53K
Aug 16, 2026	Dean Robert W IiChief Financial Officer	Sale at price 1413.64 per share.	6	$8.48K
Aug 10, 2026	Chang Kuo Wei HerbertDirector	Sale at price 1420.00 per share.	50	$71.00K
Aug 4, 2026	Dean Robert W IiChief Financial Officer	Sale at price 1344.27 per share.	105	$141.15K
Aug 3, 2026	Sciammas MauriceOfficer	Stock Gift at price 0.00 per share.	25K	—
Aug 2, 2026	Sciammas MauriceOfficer	Sale at price 1343.94 per share.	30	$40.32K
Jul 23, 2026	Dean Robert W IiChief Financial Officer	Stock Award(Grant) at price 0.00 per share.	1.4K	—
Jul 14, 2026	Sciammas MauriceOfficer	Sale at price 1314.03 - 1405.71 per share.	15K	$20.25M
Jun 30, 2026	Sciammas MauriceOfficer	Sale at price 1351.61 per share.	30	$40.55K
May 31, 2026	Sciammas MauriceOfficer	Sale at price 1533.95 per share.	30	$46.02K
May 28, 2026	Sciammas MauriceOfficer	Stock Gift at price 0.00 per share.	12.5K	—
May 26, 2026	Tseng Saria HGeneral Counsel	Sale at price 1700.00 per share.	7.6K	$12.86M
May 25, 2026	Dean Robert W IiChief Financial Officer	Sale at price 1649.56 per share.	22	$36.29K
May 25, 2026	Zhou JeffreyDirector	Sale at price 1680.00 per share.	486	$816.48K
May 21, 2026	Tseng Saria HGeneral Counsel	Stock Gift at price 0.00 per share.	200	—
May 21, 2026	Tseng Saria HGeneral Counsel	Sale at price 1586.43 per share.	5K	$7.93M
May 17, 2026	Dean Robert W IiChief Financial Officer	Sale at price 1563.28 per share.	4	$6.25K

CONG

Congress Trades · MPWR

House reports since 2025

Members

2 last bought

Buys

~$16.0K

Sells

~$24.0K

Net

−$8.0K

est. bought − sold

Latest

Jun 5, 26

Byron Donalds

Members who traded it

Member	Buys	Sells	Est. net	Last move
Byron Donalds FL19		2	−$16.0K	Trimmed Jun 5, 26
Michael Patrick Guest MS03	1		+$8.0K	Bought Oct 20, 25
Rob Bresnahan PA08	1	1	+$0	Bought Apr 8, 25

Bought and sold by quarter (est.)

House members' MPWR trades, newest first
Traded	Member	Owner	Type	Amount	Filed	Report
Jun 5, 26	Byron Donalds FL19	Spouse	Sell (part)	$1,001 - $15,000	Jul 15, 26 (40d)	PDF
Jun 5, 26	Byron Donalds FL19	Self	Sell (part)	$1,001 - $15,000	Jul 15, 26 (40d)	PDF
Oct 20, 25	Michael Patrick Guest MS03	Child	Buy	$1,001 - $15,000	Nov 19, 25 (30d)	PDF
Apr 8, 25	Rob Bresnahan PA08	Self	Buy	$1,001 - $15,000	May 8, 25 (30d)	PDF
Jan 13, 25	Rob Bresnahan PA08	Joint	Sell	$1,001 - $15,000	Feb 13, 25 (31d)	PDF

From the House's STOCK Act reports (Senate not included). Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades

MPWR

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Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

About Monolithic Power Systems, Inc.

Seasonality · MPWR

Insider Activity · MPWR

Congress Trades · MPWR

Members who traded it

Bought and sold by quarter (est.)

Congress Trades · MPWR

Members who traded it

Bought and sold by quarter (est.)

Insider Activity · MPWR

Seasonality · MPWR

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

About Monolithic Power Systems, Inc.

Financial Snapshot

Earnings & Dividends

News