Why did Monolithic Power Systems (MPWR) stock move recently?

On 9/1/2026, Monolithic Power Systems moved -3.3% — MPWR fell with other semiconductor stocks including Lam Research, Texas Instruments, and Amkor amid broader sector selling pressure driven by macroeconomic concerns such as sticky inflation, a hot labor report raising rate-hike expectations, and China-related capacity worries. This is MarketChacha's decoded reason from filings and credible news; it is education, not buy/sell advice.

Is Monolithic Power Systems (MPWR) overvalued or fairly valued?

MarketChacha shows Monolithic Power Systems's valuation in context — a trailing P/E of about 78.0, a forward P/E of about 35.1, a price-to-book of about 15.4 — alongside its revenue and profit growth and whether reported profit converts into operating cash, so you can judge value for yourself. MarketChacha does not issue ratings, price targets, or buy/sell advice.

Does Monolithic Power Systems's reported profit turn into cash?

Over 3 years, about 86% of reported profit turned into operating cash — most of it, but worth reading alongside the cash-flow statement. MarketChacha computes this cash-conversion check (0.86×) from reported figures — education, not a rating.

What is Monolithic Power Systems's revenue?

Monolithic Power Systems reported revenue of $2.8B for FY2025, with net profit of $621.5M, per official filings.

What is the share price of Monolithic Power Systems (MPWR)?

Monolithic Power Systems last traded at $1,223.86 (+0.8% on the day), as of 9/4/2026 — a delayed quote shown for education, not investment advice.

Monolithic Power Systems

MPWR · NYSE · Technology · United States

Snapshot

TickerMPWR

ExchangeNYSE

SectorTechnology

IndustrySemiconductors

CountryUnited States

Employees4,501

HeadquartersWest Palm Beach, United States

Websitewww.monolithicpower.com

Filings tracked15

About Monolithic Power Systems

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.

Who owns it

Insiders3.6%
Institutions96.4%
Public & other0.0%

1,771 institutional holders

Ownership breakdown from public market data.

Top holders

Blackrock Inc.11.37%
FMR, LLC10.54%
Vanguard Capital Management LLC6.36%
Vanguard Portfolio Management LLC5.10%
Invesco Ltd.4.77%
State Street Corporation4.64%
Geode Capital Management, LLC2.43%
Price (T.Rowe) Associates Inc1.99%

Largest institutional holders — last updated 6/30/2026.

Forensic scorecard

Over 3 years, about 86% of reported profit turned into operating cash — most of it, but worth reading alongside the cash-flow statement.

Cash conversion0.86×

Over 3 years, about 86% of reported profit turned into operating cash — most of it, but worth reading alongside the cash-flow statement.

Net margin trend23.5% → 22.3%

Margin has held broadly steady over the period — stable profitability.

Return on equity20.2%

Latest ROE of 20.2% — capital is generating a healthy return.

Growth qualityrev 24% · PAT 21%

Profit growth is broadly tracking revenue growth — the earnings trend looks operational rather than one-off.

One-off items1 of last 3 yrs

Recent reported profit includes sizeable one-off / non-operating items — the underlying operating trend may differ from the headline.

Computed by MarketChacha from reported figures (SEC XBRL). Education, not a rating or recommendation.

What's expected next

Next quarter

Rev $1.2B · EPS 8.08

Est. earnings growth +68.6%

Next fiscal year

Rev $5.3B · EPS 34.87

Est. earnings growth +27.1%

Analyst consensus estimates — not the company's own guidance.

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P/E ROE ROCE Margins Market cap

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Financials at a glance

Source: SEC XBRL

Annual

Quarterly · last 8

Revenue (FY2025)

$2.8B

Net margin

22.3%

ROE

20.2%

Revenue CAGR (2y)

+23.8%

Profit CAGR (2y)

+20.6%

EPS (FY2025)

12.86

Net profit (FY2025)

$621.5M

Ask MarketChacha about MPWR

Get a cited, plain-English answer — the “why”, not just data. Finance research only, never buy/sell advice.

Why it moved

Sep 1, 2026
MPWR fell with other semiconductor stocks including Lam Research, Texas Instruments, and Amkor amid broader sector selling pressure driven by macroeconomic concerns such as sticky inflation, a hot labor report raising rate-hike expectations, and China-related capacity worries.
source 1 ↗source 2 ↗source 3 ↗· confidence: high

Daily moves with the verified reason behind them. Education only — not investment advice.

Financials

Yearly

Period	Revenue	Net profit	EPS	Net margin	ROE
FY2025	$2.8B	$621.5M	12.86	22.3%	20.2%
FY2024	$2.2B	$1.6B*	32.60	—	53.9%
FY2023	$1.8B	$427.4M	8.76	23.5%	20.8%

* Net profit includes one-off / non-operating items (e.g. a settlement or accounting gain), so it doesn’t reflect operating performance — net margin is hidden for that period.

Quarterly

Period	Revenue	Net profit	EPS	Net margin
2026Q2	$980.6M	$257.3M	5.22	26.2%
2026Q1	$804.2M	$193.2M	3.92	24.0%
2025Q3	$737.2M	$179.8M	3.74	24.4%
2025Q2	$664.6M	$135.0M	2.81	20.3%
2025Q1	$637.6M	$135.1M	2.81	21.2%
2024Q3	$620.1M	$144.4M	2.95	23.3%
2024Q2	$507.4M	$100.4M	2.05	19.8%
2024Q1	$457.9M	$92.5M	1.89	20.2%
2023Q3	$474.9M	$121.2M	2.48	25.5%
2023Q2	$441.1M	$99.5M	2.04	22.6%
2023Q1	$451.1M	$109.8M	2.26	24.3%

Figures as reported, in reporting currency. Source: SEC XBRL.

Filings & announcements

2026

10-Q filing
SEC8/5/2026
8-K — Results of operations, Exhibits
SEC7/30/2026material
8-K — Shareholder vote results, Other events, Exhibits
SEC6/12/2026material
10-Q — FORM 10-Q
SEC5/4/2026
8-K — Results of operations, Exhibits
SEC4/30/2026material
8-K — Non-reliance on prior financials
SEC2/27/2026material
10-K — FORM 10-K
SEC2/27/2026
8-K — Results of operations, Executive/director change, Other events, Exhibits
SEC2/5/2026material

2025

8-K — Other events, Exhibits
SEC12/12/2025material
8-K — Bylaw/charter change, Exhibits
SEC11/21/2025material
10-Q — FORM 10-Q
SEC11/5/2025
8-K — Results of operations, Exhibits
SEC10/30/2025material
8-K — Other events, Exhibits
SEC9/11/2025material
10-Q — FORM 10-Q
SEC8/4/2025
8-K — Results of operations, Exhibits
SEC7/31/2025material

In the news

Education and discussion only — not investment advice. Financials from official filings (SEC/BSE) and reported company statements; market figures (delayed market data) are delayed and shown for reference only. Verify with the linked sources before acting.