Amalgamated Bank Monolithic Power Systems Inc Transaction History

Amalgamated Bank

$13.6 Billion
Q3 2025

A detailed history of Amalgamated Bank transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, Amalgamated Bank holds 10,454 shares of MPWR stock, worth $10 Million. This represents 0.07% of its overall portfolio holdings.

Number of Shares

10,454

Previous 10,306 1.44%

Holding current value

$10 Million

Previous $7.54 Million 27.69%

% of portfolio

0.07%

Previous 0.06%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 29, 2025	BUY	$711.24 - $922.81 $105,263 - $136,575	148 Added 1.44%	10,454 $9.62 Million
Q2 2025 Aug 04, 2025	BUY	$455.19 - $737.73 $60,540 - $98,118	133 Added 1.31%	10,306 $7.54 Million
Q1 2025 Apr 25, 2025	BUY	$565.7 - $720.25 $122,191 - $155,574	216 Added 2.17%	10,173 $5.9 Million
Q4 2024 Feb 04, 2025	SELL	$560.06 - $942.58 $210,022 - $353,467	-375 Reduced 3.63%	9,957 $5.89 Million
Q3 2024 Oct 30, 2024	BUY	$757.04 - $947.16 $2,271 - $2,841	3 Added 0.03%	10,332 $9.55 Million
Q2 2024 Aug 12, 2024	BUY	$591.52 - $852.56 $22,477 - $32,397	38 Added 0.37%	10,329 $8.49 Million
Q1 2024 Apr 23, 2024	SELL	$571.06 - $767.6 $1.51 Million - $2.03 Million	-2,643 Reduced 20.43%	10,291 $6.97 Million
Q4 2023 Feb 06, 2024	SELL	$399.73 - $637.39 $25,582 - $40,792	-64 Reduced 0.49%	12,934 $8.16 Million
Q3 2023 Nov 08, 2023	BUY	$440.38 - $588.72 $365,075 - $488,048	829 Added 6.81%	12,998 $6.01 Million
Q2 2023 Aug 11, 2023	SELL	$398.61 - $540.23 $116,792 - $158,287	-293 Reduced 2.35%	12,169 $6.57 Million
Q1 2023 May 02, 2023	BUY	$342.95 - $530.09 $63,788 - $98,596	186 Added 1.52%	12,462 $6.24 Million
Q4 2022 Feb 10, 2023	BUY	$309.2 - $405.03 $24,736 - $32,402	80 Added 0.66%	12,276 $4.34 Million
Q3 2022 Nov 09, 2022	SELL	$363.4 - $536.88 $238,390 - $352,193	-656 Reduced 5.1%	12,196 $4.43 Million
Q2 2022 Aug 15, 2022	SELL	$384.04 - $479.19 $1.81 Million - $2.26 Million	-4,722 Reduced 26.87%	12,852 $4.94 Million
Q1 2022 Jun 30, 2022	BUY	$361.12 - $512.21 $146,614 - $207,957	406 Added 2.36%	17,574 $8.54 Million
Q4 2021 Feb 15, 2022	BUY	$460.83 - $575.97 $610,599 - $763,160	1,325 Added 8.36%	17,168 $8.47 Million
Q3 2021 Oct 29, 2021	SELL	$370.18 - $517.92 $171,023 - $239,279	-462 Reduced 2.83%	15,843 $7.68 Million
Q2 2021 Aug 16, 2021	BUY	$306.1 - $389.53 $2.33 Million - $2.97 Million	7,627 Added 87.89%	16,305 $6.09 Million
Q1 2021 May 13, 2021	SELL	$302.05 - $403.18 $150,420 - $200,783	-498 Reduced 5.43%	8,678 $3.07 Million
Q4 2020 Feb 12, 2021	BUY	$272.37 - $366.23 $9,805 - $13,184	36 Added 0.39%	9,176 $3.36 Million
Q3 2020 Oct 30, 2020	SELL	$235.55 - $282.85 $59,594 - $71,561	-253 Reduced 2.69%	9,140 $2.56 Million
Q2 2020 Aug 10, 2020	SELL	$153.42 - $237.0 $308,987 - $477,318	-2,014 Reduced 17.66%	9,393 $2.23 Million
Q1 2020 May 13, 2020	SELL	$135.22 - $191.43 $20,012 - $28,331	-148 Reduced 1.28%	11,407 $1.91 Million
Q4 2019 Feb 13, 2020	BUY	$135.15 - $182.89 $82,306 - $111,380	609 Added 5.56%	11,555 $2.06 Million
Q3 2019 Nov 13, 2019	BUY	$136.01 - $161.55 $182,525 - $216,800	1,342 Added 13.97%	10,946 $1.7 Million
Q2 2019 Aug 14, 2019	SELL	$116.45 - $157.53 $4,774 - $6,458	-41 Reduced 0.43%	9,604 $1.3 Million
Q1 2019 May 15, 2019	BUY	$108.61 - $145.01 $14,879 - $19,866	137 Added 1.44%	9,645 $1.31 Million
Q4 2018 Feb 15, 2019	BUY	$104.17 - $134.73 $366,990 - $474,653	3,523 Added 58.86%	9,508 $1.11 Million
Q3 2018 Nov 14, 2018	SELL	$125.53 - $151.38 $491,701 - $592,955	-3,917 Reduced 39.56%	5,985 $751,000
Q2 2018 Jul 18, 2018	BUY	$110.8 - $141.63 $462,590 - $591,305	4,175 Added 72.9%	9,902 $1.32 Million
Q1 2018 May 22, 2018	SELL	$103.82 - $125.51 $9,655 - $11,672	-93 Reduced 1.6%	5,727 $663,000
Q4 2017 Feb 13, 2018	BUY	$107.55 - $126.64 $37,104 - $43,690	345 Added 6.3%	5,820 $654,000
Q3 2017 Nov 09, 2017	BUY	$95.87 - $106.55 $524,888 - $583,361	5,475	5,475 $583,000

Others Institutions Holding MPWR

# of Institutions

1,067

Shares Held

45.2M

Call Options Held

306K

Put Options Held

430K

View Full List

About MONOLITHIC POWER SYSTEMS INC

Ticker MPWR
Exchange NASDAQ
Sector Technology
Industry Semiconductors
Shares Outstandng 46,941,000
Market Cap $45B
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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Amalgamated Bank Monolithic Power Systems Inc Transaction History