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MPWR

Monolithic Power Systems, Inc.

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Monolithic Power Systems, Inc. operates in the Semiconductors & Related Devices industry.

$1,480+2.79%

Oct 5 close · 1D EOD · Databento

TechnologySemiconductors & Related DevicesLarge-capSEC EDGAR FY 2025-12-31

What happened

Daily closes · dots are Wire stories

What’s next

Expected around late October, going by its own filing history. The company has not announced a date yet. Its matching report came Oct 30, 2025 and Oct 30, 2024, after the close.

Last report

Jul 30, 2026+8.35%

after the close

Last 4, next close

median 6.99% either way

up 2 of 4

Every report since 2022 →Earnings calendar →

DateEventSourceNext close

Jul 30Earnings release, after the close · 8-KSEC EDGARSEC EDGAR ↗+8.35%

Next close = the first close after the event against the close before it. Prior-session closes only; not a call, not advice.

What happened · big days

19 big days in a year, and what we hold on each

A big day is a close more than 5.86% from the one before, three times MPWR’s median day (1.95%). On 11 of the 19, its peer group moved the same way at least half as far. We show what we hold. We never name a cause.

every other trading daya big day, numbered in the list below±5.86%Hover a bar for its day. Click a big day to open it.

Shaded: since our stories began, Jun 10. Tap a bar for its day.

#DayMPWRWhat we hold that dayGroup (median of 4) · each

1 Oct 10, 2025−7.64%
Before our storiesgroup −5.8%, moved with MPWR
1Oct 10, 2025−7.64%
Before our stories
−5.8% moved with MPWRAMD −7.7 · AVGO −5.9 · MU −5.6 · NVDA −4.9
2 Oct 13, 2025+8.54%
Before our storiesgroup +4.5%, moved with MPWR
2Oct 13, 2025+8.54%
Before our stories
+4.5% moved with MPWRAVGO +9.9 · MU +6.2 · NVDA +2.8 · AMD +0.7
3 Oct 23, 2025+6.93%
Before our storiesgroup +1.6%, did not move with it
3Oct 23, 2025+6.93%
Before our stories
+1.6% did not move with itMU +4.2 · AMD +2.1 · AVGO +1.2 · NVDA +1.0
4 Oct 31, 2025−7.59%
Resultsgroup −0.1%, did not move with it
4Oct 31, 2025−7.59%
ResultsFirst close after the Oct 30 results filing
−0.1% did not move with itAVGO −1.8 · NVDA −0.2 · MU −0.1 · AMD +0.5
5 Jan 28, 2026+6.05%
Before our storiesgroup +0.9%, did not move with it
5Jan 28, 2026+6.05%
Before our stories
+0.9% did not move with itMU +6.1 · NVDA +1.6 · AMD +0.3 · AVGO +0.1
6 Feb 6, 2026+6.39%
Resultsgroup +7.5%, moved with MPWR
6Feb 6, 2026+6.39%
ResultsFirst close after the Feb 5 results filing
+7.5% moved with MPWRAMD +8.3 · NVDA +7.9 · AVGO +7.2 · MU +3.1
7 Mar 3, 2026−5.97%
Before our storiesgroup −2.7%, did not move with it
7Mar 3, 2026−5.97%
Before our stories
−2.7% did not move with itMU −8.0 · AMD −3.9 · AVGO −1.6 · NVDA −1.3
8 Mar 31, 2026+9.08%
Before our storiesgroup +5.2%, moved with MPWR
8Mar 31, 2026+9.08%
Before our stories
+5.2% moved with MPWRNVDA +5.6 · AVGO +5.5 · MU +5.0 · AMD +3.8
9 Apr 8, 2026+10.22%
Before our storiesgroup +4.8%, did not move with it
9Apr 8, 2026+10.22%
Before our stories
+4.8% did not move with itMU +7.7 · AVGO +5.0 · AMD +4.6 · NVDA +2.2
10 Jun 5, 2026−10.38%
Before our storiesgroup −9.4%, moved with MPWR
10Jun 5, 2026−10.38%
Before our stories
−9.4% moved with MPWRMU −13.3 · AMD −10.9 · AVGO −7.9 · NVDA −6.2
11 Jun 11, 2026+7.91%
Nothing on MPWRgroup +5.8%, moved with MPWR
11Jun 11, 2026+7.91%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
+5.8% moved with MPWRMU +11.7 · AMD +8.0 · AVGO +3.6 · NVDA +2.2
12 Jun 16, 2026−9.29%
Nothing on MPWRgroup −5.3%, moved with MPWR
12Jun 16, 2026−9.29%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
−5.3% moved with MPWRAMD −7.3 · MU −6.2 · AVGO −4.4 · NVDA −2.4
13 Jun 18, 2026+7.97%
Nothing on MPWRgroup +4.8%, moved with MPWR
13Jun 18, 2026+7.97%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
+4.8% moved with MPWRMU +8.7 · AMD +4.9 · AVGO +4.7 · NVDA +3.0
14 Jun 23, 2026−7.42%
Nothing on MPWRgroup −5.0%, moved with MPWR
14Jun 23, 2026−7.42%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
−5.0% moved with MPWRMU −13.2 · AMD −5.8 · NVDA −4.1 · AVGO −3.1
15 Jun 26, 2026−8.69%
Nothing on MPWRgroup −2.9%, did not move with it
15Jun 26, 2026−8.69%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
−2.9% did not move with itMU −6.7 · AVGO −3.7 · AMD −2.1 · NVDA −1.6
16 Jul 14, 2026+6.58%
Nothing on MPWRgroup +3.3%, moved with MPWR
16Jul 14, 2026+6.58%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
+3.3% moved with MPWRMU +4.9 · NVDA +4.1 · AMD +2.6 · AVGO +1.3
17 Jul 31, 2026+8.35%
Resultsgroup −0.8%, did not move with it
17Jul 31, 2026+8.35%
ResultsFirst close after the Jul 30 results filing
−0.8% did not move with itNVDA +2.9 · AVGO +0.4 · AMD −1.9 · MU −5.9
18 Sep 14, 2026−7.39%
Nothing on MPWRgroup −4.6%, moved with MPWR
18Sep 14, 2026−7.39%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
−4.6% moved with MPWRMU −5.3 · AVGO −4.8 · AMD −4.4 · NVDA −3.4
19 Sep 22, 2026+8.06%
Nothing on MPWRgroup +1.0%, did not move with it
19Sep 22, 2026+8.06%
Nothing on MPWRNo MPWR story, brief or results filing in our record that day
+1.0% did not move with itMU +5.0 · AMD +1.3 · NVDA +0.7 · AVGO +0.5

A story on the same day is not a cause, and a group move is not proof either. Group: the median of NVDA, AVGO, MU and AMD that day, the largest companies in MPWR’s SEC industry; “moved with MPWR” means the same direction and at least half the size.

What’s next · results

Before the next report: what the first day after the last four did

Six trading days after each results filing (SEC 8-K, Item 2.02). MPWR reports after the close, so day 1 is the next close. Each time, day 6 ended on the same side as day 1.

Reported Oct 30, 2025

day 1−7.59%day 6−11.89%

Reported Feb 5, 2026

day 1+6.39%day 6+1.34%

Reported Apr 30, 2026

day 1−1.92%day 6−0.84%

Reported Jul 30, 2026

day 1+8.35%day 6+6.49%

Next report: expected late OctoberEstimated from the dates of its last four results filings. Not announced. Since the Jul 30 report: +9.39%. Four reports is a small sample.

Every report since 2022 →

Each line is MPWR’s close against its close before the filing, on licensed end-of-day closes. What happened after each report, not a forecast; a move on the day is not a cause.

The numbers · FY2025, filed

SEC EDGAR

Market cap$70.8B

Revenue$2.8B+26.40%

Net income$621.5M

EPS, diluted$12.86−60.60%

Gross margin55.2%

Operating margin26.1%

Return on equity17.6%

All filed figures

Snapshot

SEC EDGAR · FY 2025-12-31

SectorTechnology

Market Cap$70.8B

Enterprise Value$69.7B

Income$621.5M

Sales$2.8B

Book/sh$71.86

Cash/sh$22.37

Dividend TTM$6.24

Payout46%

Employees—

IPO—

Quick Ratio4.38

Current Ratio5.91

Debt/Eq—

EPS (ttm)$12.86

EPS this Y-60.6%

EPS past 3/5Y12.4%

Sales past 3/5Y15.9%

EPS Y/Y TTM-60.6%

Sales Y/Y TTM26.4%

Shs Outstand49.14M

ROA14.8%

ROE17.6%

ROIC24.3%

Gross Margin55.2%

Oper. Margin26.1%

Profit Margin22.3%

Every figure here is filed with the SEC. Valuation and estimate metrics (P/E, PEG, EV/EBITDA, price targets, forward EPS) are omitted until our market-data feed is licensed for display — we’d rather show fewer numbers than blank ones. Deeper lines (cash flow, balance sheet) below.

Revenue by fiscal year

$1.2B

FY21

$1.8B

FY22

$1.8B

FY23

$2.2B

FY24

$2.8B

FY25

Operating leverage — margins

GrossOperatingNet

Financials, annual · income and cash flowSEC EDGAR · open ▸

Financials — annual

SEC EDGAR · last 5 FY · tap a row to explain it

USD	FY2021	FY2022	FY2023	FY2024	FY2025
Revenue	$1.2B	$1.8B	$1.8B	$2.2B	$2.8B
Gross Profit	$685.5M	$1.0B	$1.0B	$1.2B	$1.5B
Operating Income	$262.4M	$526.8M	$481.7M	$539.4M	$728.6M
Net Income	$242.0M	$437.7M	$427.4M	$1.6B	$621.5M
Diluted EPS	$5.05	$9.05	$8.76	$32.60	$12.86
Operating Cash Flow	$320.0M	$246.7M	$638.2M	$788.4M	$838.2M
Free Cash Flow	$225.6M	$187.8M	$580.6M	$642.3M	$666.2M

Same industry

MPWR against four chip peers, a year at 100

MPWR is up 56.7% in a year. Micron is up 5.7 times and Advanced Micro Devices 3.8. Of these four, NVIDIA (+24.7%) and Broadcom (+5.0%) did less. Weekly closes, Oct 3, 2025 = 100, on a log scale so a 5.7-fold rise and a 5.0% rise both read honestly.

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MPWR +56.7%. Micron ×5.7, Advanced Micro Devices ×3.8, NVIDIA +24.7%, Broadcom +5.0%. Weekly closes, Oct 3, 2025 = 100, log scale.

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End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in MPWR’s SEC industry (Semiconductors & Related Devices) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.

Same industry

In the screener →

NVDA$5.68T AVGO$1.69T MU$1.21T AMD$1.03T INTC$601.9B AMAT$428.6B ARM$327.2B TXN$268.3B

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Fundamentals sourced from SEC EDGAR filings (public domain). For informational purposes only. Not investment advice.