What is the 13F Pro Quality Score for MPWR?

13F Pro ranks MONOLITHIC POWER SYSTEMS INC (MPWR) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View MPWR's current score at https://13fpro.ai/research/MPWR (free sign-up required for the full ranking).

Which hedge funds own the most MPWR stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of MPWR include BlackRock,, FMR, VANGUARD CAPITAL MANAGEMENT. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/MPWR as soon as new 13F filings post.

Where does 13F Pro source MPWR data?

All MONOLITHIC POWER SYSTEMS INC fundamentals and ownership data come directly from SEC EDGAR. MONOLITHIC POWER SYSTEMS INC files with the SEC under CIK 1280452. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is MPWR in?

MONOLITHIC POWER SYSTEMS INC (MPWR) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

What drives MPWR's revenue?

Per MONOLITHIC POWER SYSTEMS INC's latest 10-Q filed with the SEC on 2026-05-04, the biggest revenue drivers are: Enterprise Data ($262.8M, +97.7% YoY); Storage and Computing ($174.4M, -7.5% YoY); Automotive ($152.3M, +5.1% YoY). Figures are extracted from the filing text and machine-verified against the document. Full breakdown at https://13fpro.ai/research/MPWR.

What are MPWR's largest expenses?

MONOLITHIC POWER SYSTEMS INC's latest 10-Q reports these as the largest expense items: Research and development ($100.6M, +9.1% YoY); Selling, general and administrative ($103.3M, +12.0% YoY). Sourced directly from SEC EDGAR filing text for Q1 2026 (quarter ended March 31, 2026).

How often is MPWR research updated on 13F Pro?

MPWR's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

MONOLITHIC POWER SYSTEMS INC(MPWR)Stock Analysis

AI analysis on 2,800+ stocks →Deep AI analysis on 2,800+ stocks →

Technology →Nasdaq

Institutional-grade research for retail investors

SEC EDGAR: CIK 1280452 MPWR stock profile & AI dashboard →

13F Pro Quality Score

76.3/100

Rank #107 of 2,879 stocksTOP 5%

View Technology peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

82.7/100

Profitability

85.7/100

Balance Sheet

93.3/100

Earnings Quality

70.7/100

Free Cash Flow

84.2/100

Institutional Flow

22.8/100

Revenue Scale

68.8/100

Dilution Risk

19.5/100

MPWR Stock Analysis & AI Quality Score

AI stock analysis and institutional research for MONOLITHIC POWER SYSTEMS INC (MPWR), a Technology sector company. 13F Pro's AI-powered ranking engine scores MPWR at 76.3/100 on a 32-signal composite quality model, placing it at rank #107 of 2,879 stocks — the top 5% of the AI-ranked universe. MPWR scores in the top quartile across balance sheet strength (93.3), profitability (85.7), free cash flow (84.2). Areas of concern include institutional flow (22.8), which score below median versus the broader universe. Shareholder dilution risk is elevated at 19.5/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), MONOLITHIC POWER SYSTEMS INC reports quarterly revenue of $804.2M, net income of $193.2M, an operating margin of 30.0%. Top institutional holders of MPWR by reported 13-F value include BlackRock,, FMR, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. MPWR trades on the Nasdaq exchange and files with the SEC under CIK 1280452. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MPWR daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for MONOLITHIC POWER SYSTEMS INC directly from SEC EDGAR. MONOLITHIC POWER SYSTEMS INC's 13F Pro composite quality score has ranged between 8 and 83 since 2021, currently 76.3 — a stable long-term trajectory across 56 quarterly and live scoring snapshots.

✦

Fun facts about MONOLITHIC POWER SYSTEMS INC

Quirks, history, and lore behind MPWR — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. semiconductor company · mid-cap · listed on Nasdaq · headquartered in California.
2
The Numbers
Annual revenue in the range of $2 billion, with operating margins that make larger chipmakers jealous — consistently among the most profitable fabless designers in its niche.
3
The History
Founded in 1997 by engineers who saw a gap in the market for high-efficiency power management ICs — the unglamorous chips that make sure your gadget doesn't catch fire or die in ten minutes.
4
The Secret
Its silicon quietly lives inside data center servers, electric vehicles, and industrial equipment — anywhere engineers need to squeeze every last watt out of a power supply.
5
The Lore
Wall Street has repeatedly been stunned by its premium valuation — it has traded at P/E multiples more befitting a software firm, simply because its gross margins and growth keep proving the skeptics wrong.
6
The Giveaway
The name literally tells you what it does: it makes power management chips — and it does so in a way the company describes as monolithic, integrating everything onto a single piece of silicon.

▶ Think you know your stocks? Play the Daily Ticker

What's Driving MPWR's Business? Latest 10-Q Breakdown

AI-extracted from MONOLITHIC POWER SYSTEMS INC's 10-Q filed 2026-05-04 — Q1 2026 (quarter ended March 31, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

MPS revenue surged 26.1% YoY to $804.2M, driven by enterprise data AI/server solutions up 97.7%, while operating income jumped to $241.2M as operating leverage expanded.

Biggest Revenue Drivers

Total revenue: $804.2M+26.1% YoY

Enterprise Data$262.8M+97.7% YoY

Higher sales of power solutions for artificial intelligence and server applications

Storage and Computing$174.4M-7.5% YoY

Decreased sales of power solutions for notebooks and graphics cards, partially offset by increased memory and storage applications

Automotive$152.3M+5.1% YoY

Higher shipment volume and higher average selling prices

Communications$111.5M+55.5% YoY

Higher sales of power solutions for optical modules and switches

Largest Expense Items

Research and development$100.6M+9.1% YoY

Increased cash-based compensation, laboratory supplies, and facilities costs

Selling, general and administrative$103.3M+12.0% YoY

Higher cash-based compensation, stock-based payroll taxes, and legal expenses

Watch Items from the Filing

Distributor A represents 26% of revenue and 30% of accounts receivable; Distributor B represents 16% of revenue and 13% of accounts receivable—high concentration risk with three distributors accounting for 42% of sales.
Enterprise Data surged 97.7% YoY to 32.7% of revenue (up from 20.8%), creating significant AI/server concentration; Storage & Computing declined 7.5%, showing product mix shift.
Material weakness in internal controls over deferred income tax accounting identified; management expects remediation by end of 2026 but provides no assurance on timing.
Securities class action and derivative litigation filed February 2025 and March 2025 alleging material misstatements; unspecified damages sought; derivative litigation stayed pending securities action outcome.

AI-extracted and verified against SEC EDGAR filing text. Not investment advice.

Read the full 10-Q on SEC EDGAR →Share on X

Revenue

Q1 2026

$804.2M

Net Income

Q1 2026

$193.2M

Free Cash Flow

Q1 2026

$179.4M

Operating Margin

Q1 2026

30.0%

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+55.5% YoY

$2.79BFY 2025

FY20 $844.5MFY21 $1.21BFY22 $1.79BFY25 $2.79B

Net Income

+42.0% YoY

$621.5MFY 2025

FY20 $164.4MFY21 $242.0MFY22 $437.7MFY25 $621.5M

Operating Income

+38.3% YoY

$728.6MFY 2025

FY20 $158.9MFY21 $262.4MFY22 $526.8MFY25 $728.6M

EPS (Diluted)

+42.1% YoY

$12.86FY 2025

FY20 $3.50FY21 $5.05FY22 $9.05FY25 $12.86

Total Assets

+103.7% YoY

$4.19BFY 2025

FY20 $1.21BFY21 $1.59BFY22 $2.06BFY25 $4.19B

Op. Cash Flow

+239.8% YoY

$838.2MFY 2025

FY20 $267.8MFY21 $320.0MFY22 $246.7MFY25 $838.2M

Metric	FY 2025	FY 2022	FY 2021	FY 2020	FY 2017	FY 2016
Revenue	$2.79B +55.5%	$1.79B +48.5%	$1.21B +43.0%	$844.5M +79.3%	$470.9M +21.2%	$388.7M
Net Income	$621.5M +42.0%	$437.7M +80.8%	$242.0M +47.2%	$164.4M +152.1%	$65.2M +23.7%	$52.7M
Operating Income	$728.6M +38.3%	$526.8M +100.7%	$262.4M +65.2%	$158.9M +105.2%	$77.4M +42.2%	$54.4M
EPS (Diluted)	$12.86 +42.1%	$9.05 +79.2%	$5.05 +44.3%	$3.50 +133.3%	$1.50 +19.0%	$1.26
Total Assets	$4.19B +103.7%	$2.06B +29.8%	$1.59B +31.2%	$1.21B +85.2%	$652.6M +27.7%	$511.1M
Operating Cash Flow	$838.2M +239.8%	$246.7M -22.9%	$320.0M +19.5%	$267.8M +100.1%	$133.8M +24.2%	$107.8M

AI Insight: MPWR Financial Trends

MPWR delivered 26% YoY revenue growth in Q1 2026 with operating margins expanding to 30% from 26% a year prior.

• Revenue accelerated from $665M in Q2 2025 to $804M in Q1 2026, marking 21% growth over three quarters.

• Operating income surged from $169M to $241M between Q1 2025 and Q1 2026, reflecting strong margin expansion.

• Net income recovered to $193M in Q1 2026 after normalizing from Q4 2024's $1.25B anomaly.

• Company maintains zero debt position while equity base grew from $2.95B to $3.68B over past five quarters.

⚠ Operating cash flow volatile, dropping from $256M in Q1 2025 to $105M in Q4 2025 before recovering.

⚠ Sequential revenue growth decelerated to 7% in Q1 2026 versus 11% in Q3 2025.

AI Insight: MPWR Ratio Trends

MPWR delivered exceptional Q1 2026 profitability with operating margin hitting 30.0%, the highest level in the dataset.

• Operating margin surged from 26.6% in Q4 2025 to 30.0% in Q1 2026, marking a significant acceleration.

• ROIC expanded from 22.7% in Q4 2025 to 26.2% in Q1 2026, approaching the Q3 2024 peak of 27.9%.

• Net profit margin improved from 23.4% to 24.0% quarter-over-quarter, sustaining strong profitability levels.

⚠ ROIC declined from 27.9% in Q3 2024 to 19.4% in Q2 2025 before recent recovery.

⚠ ROE volatility evident with Q4 2024 showing 170.1% before normalizing to current 21.0% range.

Get alerted when MPWR's score changes

Free account: watchlist tracking, the daily AI brief, and the AI screener.

Passwordless sign-in · Payments by Stripe · Auth by Clerk

Available Research

13F Pro tracks comprehensive data for MONOLITHIC POWER SYSTEMS INC including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of MPWR

BlackRock, Inc.
$6.6B6,072,467 sh
FMR LLC
$4.8B4,400,831 sh
VANGUARD CAPITAL MANAGEMENT LLC
$3.4B3,083,449 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$2.8B2,516,492 sh
STATE STREET CORP
$2.4B2,188,454 sh
Invesco Ltd.
$1.6B1,485,093 sh
GEODE CAPITAL MANAGEMENT, LLC
$1.6B1,432,066 sh
FRANKLIN RESOURCES INC
$1.0B928,671 sh
MORGAN STANLEY
$717.6M656,367 sh
FIRST TRUST ADVISORS LP
$646.6M591,353 sh

Fund	Value	Shares
BlackRock, Inc.	$6.6B	6,072,467
FMR LLC	$4.8B	4,400,831
VANGUARD CAPITAL MANAGEMENT LLC	$3.4B	3,083,449
VANGUARD PORTFOLIO MANAGEMENT LLC	$2.8B	2,516,492
STATE STREET CORP	$2.4B	2,188,454
Invesco Ltd.	$1.6B	1,485,093
GEODE CAPITAL MANAGEMENT, LLC	$1.6B	1,432,066
FRANKLIN RESOURCES INC	$1.0B	928,671
MORGAN STANLEY	$717.6M	656,367
FIRST TRUST ADVISORS LP	$646.6M	591,353

More Technology Companies

View all Technology →

AGILENT TECHNOLOGIES, INC.

AAOI

APPLIED OPTOELECTRONICS, INC.

AAPL

Apple Inc.

ABNB

Airbnb, Inc.

ACCL

Acco Group Holdings Ltd

ACCS

ACCESS Newswire Inc.

ACFN

ACORN ENERGY, INC.

ACIW

ACI WORLDWIDE, INC.

Put MPWR on your watchlist

Track score changes the day MONOLITHIC POWER SYSTEMS INC files with the SEC, follow the hedge funds that own it, screen 2,800+ AI-scored stocks, and get the daily brief — free.

View Pricing

Free tier includes 13F data, economic indicators, and market overview. Pro starts at $6.67/mo (billed annually).

Passwordless sign-in · Payments by Stripe · Auth by Clerk

Popular Research

AAPL

Apple

MSFT

Microsoft

NVDA

NVIDIA

GOOG

Alphabet

AMZN

Amazon

Is MPWR a good stock to buy?

13F Pro's AI-powered analysis of MONOLITHIC POWER SYSTEMS INC (MPWR) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for MPWR are available on the MPWR stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own MPWR?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling MPWR. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of MONOLITHIC POWER SYSTEMS INC's investment landscape.