A detailed history of T. Rowe Price Investment Management, Inc. transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, T. Rowe Price Investment Management, Inc. holds 750,688 shares of MPWR stock, worth $691 Million. This represents 0.42% of its overall portfolio holdings.

Number of Shares
750,688
Previous 927,806 19.09%
Holding current value
$691 Million
Previous $679 Million 1.85%
% of portfolio
0.42%
Previous 0.43%

Shares

5 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

SELL
$711.24 - $922.81 $126 Million - $163 Million
-177,118 Reduced 19.09%
750,688 $691 Million
Q2 2025

Aug 14, 2025

BUY
$455.19 - $737.73 $279 Million - $452 Million
613,357 Added 195.06%
927,806 $679 Million
Q1 2025

May 14, 2025

BUY
$565.7 - $720.25 $73.8 Million - $93.9 Million
130,394 Added 70.85%
314,449 $182 Million
Q4 2024

Feb 14, 2025

BUY
$560.06 - $942.58 $103 Million - $173 Million
184,055 New
184,055 $109 Million
Q3 2022

Nov 14, 2022

BUY
$363.4 - $536.88 $8.87 Million - $13.1 Million
24,404 New
24,404 $8.87 Million

Others Institutions Holding MPWR

About MONOLITHIC POWER SYSTEMS INC


  • Ticker MPWR
  • Exchange NASDAQ
  • Sector Technology
  • Industry Semiconductors
  • Shares Outstandng 46,941,000
  • Market Cap $43.2B
  • Description
  • Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the computing and storage, automotive, industrial, communications, and consumer markets. The company provides direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltag...
More about MPWR
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