Campbell & CO Investment Adviser LLC Monolithic Power Systems Inc Transaction History

Campbell & CO Investment Adviser LLC

$1.26 Billion
Q3 2025

A detailed history of Campbell & CO Investment Adviser LLC transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, Campbell & CO Investment Adviser LLC holds 407 shares of MPWR stock, worth $374,517. This represents 0.03% of its overall portfolio holdings.

Number of Shares

407

Previous 2,058 80.22%

Holding current value

$374,517

Previous $1.51 Million 75.15%

% of portfolio

0.03%

Previous 0.1%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 28, 2025	SELL	$711.24 - $922.81 $1.17 Million - $1.52 Million	-1,651 Reduced 80.22%	407 $374,000
Q2 2025 Aug 07, 2025	BUY	$455.19 - $737.73 $936,781 - $1.52 Million	2,058 New	2,058 $1.51 Million
Q4 2024 Feb 10, 2025	BUY	$560.06 - $942.58 $26,882 - $45,243	48 Added 7.75%	667 $394,000
Q3 2024 Nov 12, 2024	SELL	$757.04 - $947.16 $142,323 - $178,066	-188 Reduced 23.3%	619 $572,000
Q2 2024 Aug 13, 2024	BUY	$591.52 - $852.56 $477,356 - $688,015	807 New	807 $663,000

Q4 2023 Feb 13, 2024	BUY	$399.73 - $637.39 $218,252 - $348,014	546 New	546 $344,000
Q2 2023 Aug 11, 2023	SELL	$398.61 - $540.23 $154,262 - $209,069	-387 Reduced 41.21%	552 $298,000
Q1 2023 May 11, 2023	BUY	$342.95 - $530.09 $322,030 - $497,754	939 New	939 $470,000
Q2 2022 Aug 09, 2022	SELL	$384.04 - $479.19 $351,396 - $438,458	-915 Closed	0 $0
Q1 2022 May 09, 2022	BUY	$361.12 - $512.21 $131,808 - $186,956	365 Added 66.36%	915 $444,000
Q4 2021 Feb 10, 2022	BUY	$460.83 - $575.97 $253,456 - $316,783	550 New	550 $271,000
Q3 2019 Oct 16, 2019	SELL	$136.01 - $161.55 $1.02 Million - $1.21 Million	-7,486 Closed	0 $0
Q2 2019 Jul 10, 2019	BUY	$116.45 - $157.53 $871,744 - $1.18 Million	7,486 New	7,486 $1.02 Million
Q4 2018 Feb 08, 2019	SELL	$104.17 - $134.73 $257,924 - $333,591	-2,476 Closed	0 $0
Q3 2018 Nov 08, 2018	BUY	$125.53 - $151.38 $310,812 - $374,816	2,476 New	2,476 $311,000
Q2 2018 Jul 13, 2018	SELL	$110.8 - $141.63 $196,780 - $251,534	-1,776 Closed	0 $0
Q1 2018 May 04, 2018	BUY	$103.82 - $125.51 $184,384 - $222,905	1,776 New	1,776 $206,000

Others Institutions Holding MPWR

# of Institutions

1,108

Shares Held

66.5M

Call Options Held

391K

Put Options Held

403K

View Full List

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...

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Campbell & CO Investment Adviser LLC Monolithic Power Systems Inc Transaction History