Monolithic Power Systems Falls as Chip Stocks Retreat Despite Strong Recent Fundamentals

Monolithic Power Systems (MPWR) is down 3.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The move appears to be driven more by a broader semiconductor pullback than by any new company-specific negative development. This could also reflect profit-taking after Monolithic Power Systems posted very strong second-quarter results and a sharply higher third-quarter outlook earlier in the earnings cycle.

Details:

Monolithic Power Systems last reported record second-quarter revenue of $980.6 million, up 47.6% year over year, with especially strong demand from enterprise data and AI server power products.

The company guided third-quarter revenue to $1.14 billion to $1.16 billion, indicating continued momentum rather than a deterioration in operating trends.

Enterprise Data revenue reached $380.6 million in the second quarter, up 164.3% from a year earlier, and management said it was seeing broad-based ordering patterns.

With no major fresh adverse filing or earnings update tied to today’s drop, the decline looks consistent with a risk-off session for chip names and a valuation-driven pause after a strong run.

Sources:

SEC, Nasdaq, Yahoo Finance

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$MPWR Insider Trading Activity

$MPWR insiders have traded $MPWR stock on the open market 88 times in the past 6 months. Of those trades, 0 have been purchases and 88 have been sales.

Here’s a breakdown of recent trading of $MPWR stock by insiders over the last 6 months:

SARIA TSENG (EVP & General Counsel) has made 0 purchases and 33 sales selling 56,238 shares for an estimated $68,940,300.
MICHAEL HSING (CEO) has made 0 purchases and 13 sales selling 40,000 shares for an estimated $59,310,168.
MAURICE SCIAMMAS (EVP, WW Sales & Marketing) has made 0 purchases and 33 sales selling 27,560 shares for an estimated $39,825,526.
JEFF ZHOU has made 0 purchases and 4 sales selling 2,000 shares for an estimated $3,250,762.
ROBERT W II DEAN (Interim CFO) has made 0 purchases and 4 sales selling 137 shares for an estimated $192,173.
KUO WEI HERBERT CHANG sold 50 shares for an estimated $71,000

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

$MPWR Hedge Fund Activity

We have seen 635 institutional investors add shares of $MPWR stock to their portfolio, and 598 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM added 95,891,068 shares (+132513.9%) to their portfolio in Q2 2026, for an estimated $132,555,976,760
CORIENT PRIVATE WEALTH LLC removed 2,031,489 shares (-99.2%) from their portfolio in Q1 2026, for an estimated $2,221,128,498
INVESCO LTD. added 858,837 shares (+57.8%) to their portfolio in Q2 2026, for an estimated $1,187,221,915
FMR LLC added 776,427 shares (+17.6%) to their portfolio in Q2 2026, for an estimated $1,073,301,627
BLACKROCK, INC. removed 482,542 shares (-7.9%) from their portfolio in Q2 2026, for an estimated $667,046,759
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. removed 476,308 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $658,429,126
JPMORGAN CHASE & CO added 434,949 shares (+inf%) to their portfolio in Q2 2026, for an estimated $601,256,099

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$MPWR Congressional Stock Trading

Members of Congress have traded $MPWR stock 2 times in the past 6 months. Of those trades, 0 have been purchases and 2 have been sales.

Here’s a breakdown of recent trading of $MPWR stock by members of Congress over the last 6 months:

REPRESENTATIVE BYRON DONALDS has traded it 2 times. They made 0 purchases and 2 sales worth up to $30,000 on 06/05.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$MPWR Analyst Ratings

Wall Street analysts have issued reports on $MPWR in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Needham issued a "Buy" rating on 05/01/2026

To track analyst ratings and price targets for $MPWR, check out Quiver Quantitative's $MPWR forecast page.

$MPWR Price Targets

Multiple analysts have issued price targets for $MPWR recently. We have seen 6 analysts offer price targets for $MPWR in the last 6 months, with a median target of $1800.0.

Here are some recent targets:

N. Quinn Bolton from Needham set a target price of $1750.0 on 05/01/2026
Kevin Cassidy from Rosenblatt set a target price of $1575.0 on 05/01/2026
John Vinh from Keybanc set a target price of $2000.0 on 05/01/2026
Joe Quatrochi from Wells Fargo set a target price of $1860.0 on 05/01/2026
Joshua Buchalter from TD Cowen set a target price of $1850.0 on 05/01/2026
Tore Svanberg from Stifel set a target price of $1500.0 on 04/16/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.