Janus Henderson Group PLC Monolithic Power Systems Inc Transaction History

Janus Henderson Group PLC

  • $207 Billion
  • Q3 2025

A detailed history of Janus Henderson Group PLC transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, Janus Henderson Group PLC holds 127,738 shares of MPWR stock, worth $118 Million. This represents 0.06% of its overall portfolio holdings.

Number of Shares
127,738
Previous 127,429 0.24%
Holding current value
$118 Million
Previous $93.2 Million 26.18%
% of portfolio
0.06%
Previous 0.05%

Shares

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

Nov 14, 2025
BUY
$711.24 - $922.81 $219,773 - $285,148
309 Added 0.24%
127,738 $118 Million
Q2 2025

Aug 14, 2025
BUY
$455.19 - $737.73 $9.93 Million - $16.1 Million
21,816 Added 20.66%
127,429 $93.2 Million
Q1 2025

May 15, 2025
BUY
$565.7 - $720.25 $56.4 Million - $71.8 Million
99,668 Added 1676.5%
105,613 $61.3 Million
Q4 2024

Feb 14, 2025
SELL
$560.06 - $942.58 $28,563 - $48,071
-51 Reduced 0.85%
5,945 $3.52 Million
Q3 2024

Nov 14, 2024
BUY
$757.04 - $947.16 $1.62 Million - $2.02 Million
2,134 Added 55.26%
5,996 $5.55 Million
Q2 2024

Aug 14, 2024
SELL
$591.52 - $852.56 $672,558 - $969,360
-1,137 Reduced 22.74%
3,862 $3.17 Million
Q1 2024

May 15, 2024
BUY
$571.06 - $767.6 $1,142 - $1,535
2 Added 0.04%
4,999 $3.39 Million
Q4 2023

Feb 14, 2024
SELL
$399.73 - $637.39 $14,390 - $22,946
-36 Reduced 0.72%
4,997 $3.15 Million
Q3 2023

Nov 14, 2023
SELL
$440.38 - $588.72 $81,910 - $109,501
-186 Reduced 3.56%
5,033 $2.33 Million
Q2 2023

Aug 14, 2023
SELL
$398.61 - $540.23 $222,424 - $301,448
-558 Reduced 9.66%
5,219 $2.82 Million
Q1 2023

May 15, 2023
BUY
$342.95 - $530.09 $400,222 - $618,615
1,167 Added 25.31%
5,777 $2.89 Million
Q4 2022

Feb 14, 2023
BUY
$309.2 - $405.03 $1.43 Million - $1.87 Million
4,610 New
4,610 $1.63 Million
Q3 2022

Nov 14, 2022
BUY
$363.4 - $536.88 $1,453 - $2,147
4 Added 0.09%
4,609 $1.68 Million
Q2 2022

Aug 15, 2022
SELL
$384.04 - $479.19 $246,169 - $307,160
-641 Reduced 12.22%
4,605 $1.77 Million
Q1 2022

May 16, 2022
BUY
$361.12 - $512.21 $449,594 - $637,701
1,245 Added 31.12%
5,246 $2.55 Million
Q4 2021

Feb 14, 2022
BUY
$460.83 - $575.97 $83,871 - $104,826
182 Added 4.77%
4,001 $1.98 Million
Q3 2021

Nov 16, 2021
SELL
$370.18 - $517.92 $58,858 - $82,349
-159 Reduced 4.0%
3,819 $1.85 Million
Q2 2021

Aug 16, 2021
BUY
$306.1 - $389.53 $13,468 - $17,139
44 Added 1.12%
3,978 $1.49 Million
Q1 2021

May 17, 2021
SELL
$302.05 - $403.18 $1.03 Million - $1.37 Million
-3,406 Reduced 46.4%
3,934 $1.39 Million
Q4 2020

Feb 16, 2021
SELL
$272.37 - $366.23 $1.56 Million - $2.1 Million
-5,722 Reduced 43.81%
7,340 $2.69 Million
Q3 2020

Nov 16, 2020
SELL
$235.55 - $282.85 $563,671 - $676,860
-2,393 Reduced 15.48%
13,062 $3.65 Million
Q2 2020

Aug 14, 2020
BUY
$153.42 - $237.0 $1.21 Million - $1.86 Million
7,855 Added 103.36%
15,455 $3.66 Million
Q1 2020

May 14, 2020
SELL
$135.22 - $191.43 $34.1 Million - $48.3 Million
-252,094 Reduced 97.07%
7,600 $1.27 Million
Q4 2019

Feb 18, 2020
SELL
$135.15 - $182.89 $355,174 - $480,634
-2,628 Reduced 1.0%
259,694 $46.2 Million
Q3 2019

Nov 14, 2019
BUY
$136.01 - $161.55 $136,282 - $161,873
1,002 Added 0.38%
262,322 $40.8 Million
Q2 2019

Jul 31, 2019
SELL
$116.45 - $157.53 $189,231 - $255,986
-1,625 Reduced 0.62%
261,320 $35.5 Million
Q1 2019

Apr 30, 2019
BUY
$108.61 - $145.01 $331,803 - $443,005
3,055 Added 1.18%
262,945 $35.6 Million
Q4 2018

Feb 06, 2019
SELL
$104.17 - $134.73 $751,899 - $972,481
-7,218 Reduced 2.7%
259,890 $30.2 Million
Q3 2018

Nov 09, 2018
SELL
$125.53 - $151.38 $198,839 - $239,785
-1,584 Reduced 0.59%
267,108 $33.5 Million
Q2 2018

Aug 10, 2018
BUY
$110.8 - $141.63 $1.69 Million - $2.16 Million
15,237 Added 6.01%
268,692 $35.9 Million
Q1 2018

May 14, 2018
BUY
$103.82 - $125.51 $2.86 Million - $3.46 Million
27,541 Added 12.19%
253,455 $29.3 Million
Q4 2017

Feb 09, 2018
BUY
$107.55 - $126.64 $12 Million - $14.1 Million
111,725 Added 97.84%
225,914 $25.4 Million
Q3 2017

Nov 14, 2017
SELL
$95.87 - $106.55 $3.22 Million - $3.58 Million
-33,554 Reduced 22.71%
114,189 $0
Q2 2017

Aug 17, 2017
BUY
N/A
147,743
147,743 $14.2 Million

Others Institutions Holding MPWR

# of Institutions
1,100
Shares Held
66.6M
Call Options Held
391K
Put Options Held
403K
View Full List

About MONOLITHIC POWER SYSTEMS INC

MPWR Quotes by TradingView
  • 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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