Vaughan Nelson Investment Management, L.P. Monolithic Power Systems Inc Transaction History

Vaughan Nelson Investment Management, L.P.

$10.6 Billion
Q3 2025

A detailed history of Vaughan Nelson Investment Management, L.P. transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, Vaughan Nelson Investment Management, L.P. holds 272,529 shares of MPWR stock, worth $280 Million. This represents 2.37% of its overall portfolio holdings.

Number of Shares

272,529

Previous 272,047 0.18%

Holding current value

$280 Million

Previous $199 Million 26.1%

% of portfolio

2.37%

Previous 1.93%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 22, 2025	BUY	$711.24 - $922.81 $342,817 - $444,794	482 Added 0.18%	272,529 $251 Million
Q2 2025 Jul 21, 2025	BUY	$455.19 - $737.73 $7.29 Million - $11.8 Million	16,019 Added 6.26%	272,047 $199 Million
Q1 2025 Apr 16, 2025	SELL	$565.7 - $720.25 $73.9 Million - $94.1 Million	-130,658 Reduced 33.79%	256,028 $148 Million
Q4 2024 Jan 28, 2025	SELL	$560.06 - $942.58 $33.3 Million - $56.1 Million	-59,529 Reduced 13.34%	386,686 $229 Million
Q3 2024 Nov 06, 2024	SELL	$757.04 - $947.16 $14.9 Million - $18.7 Million	-19,692 Reduced 4.23%	446,215 $413 Million
Q2 2024 Jul 19, 2024	SELL	$591.52 - $852.56 $10.6 Million - $15.3 Million	-17,905 Reduced 3.7%	465,907 $383 Million
Q1 2024 Apr 18, 2024	BUY	$571.06 - $767.6 $13 Million - $17.4 Million	22,725 Added 4.93%	483,812 $328 Million
Q4 2023 Jan 24, 2024	BUY	$399.73 - $637.39 $29.4 Million - $46.9 Million	73,564 Added 18.98%	461,087 $291 Million
Q3 2023 Nov 09, 2023	BUY	$440.38 - $588.72 $79.5 Million - $106 Million	180,500 Added 87.19%	387,523 $179 Million
Q2 2023 Aug 03, 2023	BUY	$398.61 - $540.23 $17.9 Million - $24.3 Million	44,997 Added 27.77%	207,023 $112 Million
Q1 2023 May 05, 2023	BUY	$342.95 - $530.09 $2.88 Million - $4.45 Million	8,403 Added 5.47%	162,026 $81.1 Million
Q4 2022 Jan 30, 2023	SELL	$309.2 - $405.03 $13.5 Million - $17.7 Million	-43,705 Reduced 22.15%	153,623 $54.3 Million
Q3 2022 Nov 04, 2022	BUY	$363.4 - $536.88 $15.4 Million - $22.7 Million	42,306 Added 27.29%	197,328 $71.7 Million
Q2 2022 Jul 22, 2022	SELL	$384.04 - $479.19 $1.33 Million - $1.66 Million	-3,455 Reduced 2.18%	155,022 $59.5 Million
Q1 2022 May 04, 2022	SELL	$361.12 - $512.21 $44.1 Million - $62.6 Million	-122,143 Reduced 43.53%	158,477 $77 Million
Q4 2021 Jan 13, 2022	SELL	$460.83 - $575.97 $26.6 Million - $33.3 Million	-57,823 Reduced 17.09%	280,620 $138 Million
Q3 2021 Oct 27, 2021	BUY	$370.18 - $517.92 $125 Million - $175 Million	338,443 New	338,443 $164 Million

Others Institutions Holding MPWR

# of Institutions

1,041

Shares Held

44.9M

Call Options Held

306K

Put Options Held

423K

View Full List

About MONOLITHIC POWER SYSTEMS INC

Ticker MPWR
Exchange NASDAQ
Sector Technology
Industry Semiconductors
Shares Outstandng 46,941,000
Market Cap $48.3B
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...

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Vaughan Nelson Investment Management, L.P. Monolithic Power Systems Inc Transaction History