Carintia Martinez, a director at $MPWR, sold 1,400 shares of the company on 09-18-2025 for an estimated $1,260,000. We received data on the trade from a recent SEC filing. This was a sale of approximately 61.5% of their shares of this class of stock. Following this trade, they now own 878 shares of this class of $MPWR stock.
$MPWR Insider Trading Activity
$MPWR insiders have traded $MPWR stock on the open market 37 times in the past 6 months. Of those trades, 0 have been purchases and 37 have been sales.
Here’s a breakdown of recent trading of $MPWR stock by insiders over the last 6 months:
- DEMING XIAO (EVP, Global Operations) sold 39,999 shares for an estimated $31,199,220
- MICHAEL HSING (CEO) has made 0 purchases and 11 sales selling 20,231 shares for an estimated $16,773,550.
- SARIA TSENG (EVP & General Counsel) sold 14,510 shares for an estimated $13,268,669
- THEODORE BLEGEN (EVP and CFO) has made 0 purchases and 16 sales selling 12,000 shares for an estimated $9,193,032.
- MAURICE SCIAMMAS (EVP, WW Sales & Marketing) sold 12,000 shares for an estimated $8,412,000
- CARINTIA MARTINEZ sold 1,400 shares for an estimated $1,260,000
- JEFF ZHOU has made 0 purchases and 3 sales selling 793 shares for an estimated $673,910.
- KUO WEI HERBERT CHANG has made 0 purchases and 3 sales selling 250 shares for an estimated $171,700.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$MPWR Hedge Fund Activity
We have seen 498 institutional investors add shares of $MPWR stock to their portfolio, and 465 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- GAMMA INVESTING LLC removed 776,598 shares (-99.8%) from their portfolio in Q2 2025, for an estimated $567,988,245
- T. ROWE PRICE INVESTMENT MANAGEMENT, INC. added 613,357 shares (+195.1%) to their portfolio in Q2 2025, for an estimated $448,597,042
- FIL LTD added 412,486 shares (+373.0%) to their portfolio in Q2 2025, for an estimated $301,684,010
- BLACKROCK, INC. added 316,313 shares (+6.4%) to their portfolio in Q2 2025, for an estimated $231,345,001
- ALYESKA INVESTMENT GROUP, L.P. removed 287,149 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $210,015,035
- FRANKLIN RESOURCES INC removed 255,533 shares (-19.0%) from their portfolio in Q2 2025, for an estimated $186,891,725
- NORGES BANK removed 235,670 shares (-28.2%) from their portfolio in Q2 2025, for an estimated $172,364,324
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$MPWR Congressional Stock Trading
Members of Congress have traded $MPWR stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $MPWR stock by members of Congress over the last 6 months:
- REPRESENTATIVE ROBERT BRESNAHAN purchased up to $15,000 on 04/08.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
$MPWR Analyst Ratings
Wall Street analysts have issued reports on $MPWR in the last several months. We have seen 5 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Citigroup issued a "Buy" rating on 08/04/2025
- Stifel issued a "Buy" rating on 08/01/2025
- Needham issued a "Buy" rating on 08/01/2025
- Raymond James issued a "Outperform" rating on 05/02/2025
- Keybanc issued a "Overweight" rating on 05/02/2025
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 11 analysts offer price targets for $MPWR in the last 6 months, with a median target of $800.0.
Here are some recent targets:
- Kelsey Chia from Citigroup set a target price of $825.0 on 08/04/2025
- Melissa Fairbanks from Raymond James set a target price of $875.0 on 08/01/2025
- John Vinh from Keybanc set a target price of $950.0 on 08/01/2025
- Kevin Garrigan from Rosenblatt set a target price of $800.0 on 08/01/2025
- Joe Quatrochi from Wells Fargo set a target price of $750.0 on 08/01/2025
- Tore Svanberg from Stifel set a target price of $930.0 on 08/01/2025
- N. Quinn Bolton from Needham set a target price of $820.0 on 08/01/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.