Pitcairn CO Monolithic Power Systems Inc Transaction History

Pitcairn CO

$1.24 Billion
Q3 2025

A detailed history of Pitcairn CO transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, Pitcairn CO holds 670 shares of MPWR stock, worth $616,527. This represents 0.05% of its overall portfolio holdings.

Number of Shares

670

Previous 1,306 48.7%

Holding current value

$616,527

Previous $955,000 35.5%

% of portfolio

0.05%

Previous 0.06%

18 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 12, 2025	SELL	$711.24 - $922.81 $452,348 - $586,907	-636 Reduced 48.7%	670 $616,000
Q2 2025 Aug 18, 2025	SELL	$455.19 - $737.73 $2.33 Million - $3.78 Million	-5,118 Reduced 79.67%	1,306 $955,000
Q2 2025 Aug 14, 2025	BUY	$455.19 - $737.73 $2.09 Million - $3.39 Million	4,590 Added 250.27%	6,424 $4.7 Million
Q1 2025 May 09, 2025	SELL	$565.7 - $720.25 $205,914 - $262,171	-364 Reduced 16.56%	1,834 $1.06 Million
Q4 2024 Feb 12, 2025	SELL	$560.06 - $942.58 $105,291 - $177,205	-188 Reduced 7.88%	2,198 $1.3 Million
Q3 2024 Nov 12, 2024	SELL	$757.04 - $947.16 $19,683 - $24,626	-26 Reduced 1.08%	2,386 $2.21 Million
Q2 2024 Aug 13, 2024	BUY	$591.52 - $852.56 $10,647 - $15,346	18 Added 0.75%	2,412 $1.98 Million
Q1 2024 May 13, 2024	BUY	$571.06 - $767.6 $141,051 - $189,597	247 Added 11.5%	2,394 $1.62 Million
Q4 2023 Feb 14, 2024	BUY	$399.73 - $637.39 $127,913 - $203,964	320 Added 17.52%	2,147 $1.35 Million
Q3 2023 Nov 13, 2023	BUY	$440.38 - $588.72 $307,825 - $411,515	699 Added 61.97%	1,827 $844,000
Q2 2023 Aug 11, 2023	SELL	$398.61 - $540.23 $7,174 - $9,724	-18 Reduced 1.57%	1,128 $609,000
Q1 2023 May 05, 2023	BUY	$342.95 - $530.09 $4,458 - $6,891	13 Added 1.15%	1,146 $573,000
Q4 2022 Feb 13, 2023	SELL	$309.2 - $405.03 $111,930 - $146,620	-362 Reduced 24.21%	1,133 $400,000
Q3 2022 Nov 10, 2022	BUY	$363.4 - $536.88 $112,290 - $165,895	309 Added 26.05%	1,495 $543,000
Q2 2022 Aug 12, 2022	BUY	$384.04 - $479.19 $18,433 - $23,001	48 Added 4.22%	1,186 $455,000
Q1 2022 May 12, 2022	SELL	$361.12 - $512.21 $149,503 - $212,054	-414 Reduced 26.68%	1,138 $553,000
Q4 2021 Feb 14, 2022	SELL	$460.83 - $575.97 $126,267 - $157,815	-274 Reduced 15.01%	1,552 $766,000
Q3 2021 Nov 10, 2021	BUY	$370.18 - $517.92 $675,948 - $945,721	1,826 New	1,826 $885,000

Others Institutions Holding MPWR

# of Institutions

1,094

Shares Held

66.3M

Call Options Held

397K

Put Options Held

404K

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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