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Overview
Smart money at a glance
Filings to Oct 1, 2026Net selling: insiders sold $61M and bought $0 on the open market in 90 days (SEC Form 4). Congress: net selling of $2K to $30K in 180 days.
- Company insidersSEC Form 4, last 90 days
- -$61M netNet selling
- CongressSTOCK Act, last 180 days
- -$2K to -$30K netNet selling
- Big fundsSEC 13F, quarter ended Jun 30, 2026
- 10 added, 1 cutMore adding
- Federal contractsUSAspending.gov, last 12 months
- No awardsNone on record
Key stats
Fundamentals Sep 30- Open
- $1,372.05
- 52-wk high
- $1,708.95
- High
- $1,374.32
- 52-wk low
- $827.63
- Low
- $1,347.85
- Prev close
- $1,351.20
- Mkt cap
- $66.64B
- P/E
- 82.6x
- Volume
- 450.4K
- Fwd P/E
- 38.8x
- Beta
- 1.66
- Div yield
- 0.53%
- P/S
- 20.4x
- P/B
- 17.4x
- Profit margin
- +24.5%
- Op margin
- +31.0%
- ROE
- +22.0%
What do analysts expect?
Analyst target and ratings are on paid plans
See the 12-month consensus target and the buy/hold/sell rating split.
Unlock the full resultsQuestions about MPWR filings
Are insiders buying or selling Monolithic Power Systems Inc (MPWR) stock?
Net selling: insiders sold $61M and bought $0 of MPWR stock on the open market in the 90 days to Oct 1, 2026, according to SEC Form 4 filings. $60.6M of the sales were made under pre-set Rule 10b5-1 trading plans. The largest was Hsing, Michael (CEO), who sold $40.3M. The latest filing was on Sep 30, 2026.
Which members of Congress have traded MPWR recently?
Rep. Byron Donalds (R) sold $1K to $15K on Jun 5, 2026, disclosed 40 days later. Rep. Byron Donalds (R) sold $1K to $15K on Jun 5, 2026, disclosed 40 days later. In total, 1 member disclosed 2 MPWR trades with trade dates in the last 180 days, filed a median 40 days after trading.
How current is this MPWR smart-money data?
This summary uses filings available on Oct 1, 2026. Insiders must report trades to the SEC within 2 business days, members of Congress have up to 45 days to disclose a trade, and funds file 13F holdings up to 45 days after each quarter ends, so the latest moves may not be public yet.
Smart money
8 funds hold a position and insiders have been net selling.
What funds are doing
Buys/Adds (3)
- TS
Two Sigma
$250.2M
added
- MI
Millennium
$189.2M
bought
- SU
Susquehanna
$138.3M
added
What insiders are doing
Sells (3)
- HM
Hsing Michael
$40.3M
sold
- DR
Dean Robert W Ii
$42K
sold
- CK
Chang Kuo Wei Herbert
$64K
sold
What Congress is doing
Buys (1)
Sells (2)
How top traders are positioned
No tracked top-trader positions in MPWR right now.
Live Hyperliquid positioning - not every stock is covered
Earnings
Earnings came in 11.8% above what analysts expected.
Earnings per share
$4.84 expected
Revenue
No comparable estimate
Company adjusted EPS
From the company's release
Compared on the analyst basis, which counts earnings differently from the company.
Q3 2026 guidance
$1.14B to $1.16B
No comparable estimate
Reports Oct 29, 2026, in 28 days
Estimates as of Sep 30, 2026
EPS expected
$7.66 to $7.80
Revenue expected
14 analysts
Last 30 days
Analysts raising estimates
What the company said
Financials
What it sold, what it cost, what was left.
| USD | Sep 2025 | Dec 2025 | Mar 2026 | Jun 2026 |
|---|---|---|---|---|
| What came in | ||||
| Revenue | $737.2M | $751.2M | $804.2M | $980.6M |
| Cost of what it sold | $330.9M | $336.9M | $359.1M | $439.6M |
| Gross profit | $406.2M | $414.3M | $445.1M | $541.1M |
| What it spent | ||||
| Research and development | $98.2M | $95.6M | $100.6M | $118.6M |
| Sales and admin | $112.9M | $118.7M | $103.3M | $118.6M |
| Total operating expenses | $211.0M | $214.3M | $203.9M | $237.2M |
| What was left | ||||
| Operating profit | $195.2M | $199.9M | $241.2M | $303.9M |
| Profit before tax | $205.6M | $209.8M | $247.2M | $321.7M |
| Tax | $27.3M | $39.6M | $54.0M | $64.4M |
| Net profit | $178.3M | $170.1M | $193.2M | $257.3M |
| EBITDA | $219.3M | $223.5M | $262.3M | $306.6M |
Technicals
Price structure
This stock is in a strong uptrend.
Trend
Strong uptrend
100 / 100
RSI 14
20D volatility
52-week range
20D support
20D resistance
Returns
Price vs moving averages
Volume pace
News
What the news says
Coverage is bullish
Monolithic Power Systems, Inc. $MPWR Shares Sold by Envestnet Asset Management Inc.
Leans bullishSep 26Monolithic Power Systems, Inc. (NASDAQ:MPWR) Stock Has Average Target Price of $1,731.42
BullishSep 251,903 Monolithic Power Systems, Inc. $MPWR Shares Sold by QRG Capital Management Inc.
Leans bullishSep 25HL Stock Holds Key Support As Financial Strength Stands Out
Leans bullishSep 23HubSpot HUBS Rallies As OpenAI, AI CRM Strategy Accelerate
Leans bullishSep 23Discovering the next generation of Nasdaq innovators
Leans bullishSep 23Monolithic Power Stock Jumped 8% to $1,380. Its Foundry Deal Is Why the Run Could Hold
BullishSep 23Monolithic Power Systems Drops 5.4% Amid Sector-Wide Selling
BearishSep 23
Macro
10 macro signals shaping MPWR right now
Unlock sector rotation, regime shifts, and macro event windows tied to this stock.
Unlock the full results