Rafferty Asset Management, LLC Monolithic Power Systems Inc Transaction History

Rafferty Asset Management, LLC

$22.9 Billion
Q1 2025

A detailed history of Rafferty Asset Management, LLC transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, Rafferty Asset Management, LLC holds 388,855 shares of MPWR stock, worth $310 Million. This represents 0.98% of its overall portfolio holdings.

Number of Shares

388,855

Previous 419,195 7.24%

Holding current value

$310 Million

Previous $248 Million 9.07%

% of portfolio

0.98%

Previous 0.9%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 14, 2025	SELL	$565.7 - $720.25 $17.2 Million - $21.9 Million	-30,340 Reduced 7.24%	388,855 $226 Million
Q4 2024 Feb 14, 2025	BUY	$560.06 - $942.58 $15.8 Million - $26.5 Million	28,126 Added 7.19%	419,195 $248 Million
Q3 2024 Nov 13, 2024	SELL	$757.04 - $947.16 $3.19 Million - $3.99 Million	-4,217 Reduced 1.07%	391,069 $362 Million
Q2 2024 Aug 13, 2024	SELL	$591.52 - $852.56 $17.9 Million - $25.8 Million	-30,272 Reduced 7.11%	395,286 $325 Million
Q1 2024 May 13, 2024	BUY	$571.06 - $767.6 $68.9 Million - $92.6 Million	120,606 Added 39.55%	425,558 $288 Million
Q4 2023 Feb 13, 2024	BUY	$399.73 - $637.39 $16.5 Million - $26.4 Million	41,387 Added 15.7%	304,952 $192 Million
Q3 2023 Nov 13, 2023	SELL	$440.38 - $588.72 $6.18 Million - $8.26 Million	-14,035 Reduced 5.06%	263,565 $122 Million
Q2 2023 Aug 11, 2023	BUY	$398.61 - $540.23 $25.7 Million - $34.9 Million	64,533 Added 30.29%	277,600 $150 Million
Q1 2023 May 11, 2023	BUY	$342.95 - $530.09 $10.9 Million - $16.8 Million	31,655 Added 17.45%	213,067 $107 Million
Q4 2022 Feb 13, 2023	BUY	$309.2 - $405.03 $6.31 Million - $8.27 Million	20,406 Added 12.67%	181,412 $64.1 Million
Q3 2022 Nov 14, 2022	SELL	$363.4 - $536.88 $1.95 Million - $2.89 Million	-5,376 Reduced 3.23%	161,006 $58.5 Million
Q2 2022 Aug 12, 2022	SELL	$384.04 - $479.19 $12.6 Million - $15.7 Million	-32,775 Reduced 16.46%	166,382 $63.9 Million
Q1 2022 May 13, 2022	BUY	$361.12 - $512.21 $13.4 Million - $19 Million	36,998 Added 22.82%	199,157 $96.7 Million
Q4 2021 Feb 10, 2022	BUY	$460.83 - $575.97 $24.3 Million - $30.3 Million	52,691 Added 48.13%	162,159 $80 Million
Q3 2021 Nov 10, 2021	SELL	$370.18 - $517.92 $13.5 Million - $18.8 Million	-36,384 Reduced 24.95%	109,468 $53.1 Million
Q2 2021 Aug 10, 2021	BUY	$306.1 - $389.53 $5.57 Million - $7.09 Million	18,195 Added 14.25%	145,852 $54.5 Million
Q1 2021 May 10, 2021	BUY	$302.05 - $403.18 $22.1 Million - $29.5 Million	73,219 Added 134.5%	127,657 $45.1 Million
Q4 2020 Feb 10, 2021	SELL	$272.37 - $366.23 $45,758 - $61,526	-168 Reduced 0.31%	54,438 $19.9 Million
Q3 2020 Nov 13, 2020	BUY	$235.55 - $282.85 $1.53 Million - $1.84 Million	6,488 Added 13.48%	54,606 $15.3 Million
Q2 2020 Aug 07, 2020	BUY	$153.42 - $237.0 $5.11 Million - $7.89 Million	33,282 Added 224.33%	48,118 $11.4 Million
Q1 2020 May 15, 2020	SELL	$135.22 - $191.43 $1.26 Million - $1.79 Million	-9,329 Reduced 38.61%	14,836 $2.48 Million
Q4 2019 Feb 10, 2020	BUY	$135.15 - $182.89 $453,968 - $614,327	3,359 Added 16.14%	24,165 $4.3 Million
Q3 2019 Nov 14, 2019	SELL	$136.01 - $161.55 $1.9 Million - $2.25 Million	-13,942 Reduced 40.12%	20,806 $3.24 Million
Q2 2019 Aug 09, 2019	BUY	$116.45 - $157.53 $242,914 - $328,607	2,086 Added 6.39%	34,748 $4.72 Million
Q1 2019 May 15, 2019	BUY	$108.61 - $145.01 $336,582 - $449,385	3,099 Added 10.48%	32,662 $4.43 Million
Q4 2018 Feb 11, 2019	SELL	$104.17 - $134.73 $86,565 - $111,960	-831 Reduced 2.73%	29,563 $3.44 Million
Q3 2018 Nov 09, 2018	SELL	$125.53 - $151.38 $1.9 Million - $2.3 Million	-15,164 Reduced 33.29%	30,394 $3.82 Million
Q2 2018 Aug 14, 2018	SELL	$110.8 - $141.63 $33,794 - $43,197	-305 Reduced 0.67%	45,558 $6.09 Million
Q1 2018 May 15, 2018	BUY	$103.82 - $125.51 $931,888 - $1.13 Million	8,976 Added 24.33%	45,863 $5.31 Million
Q4 2017 Feb 14, 2018	BUY	$107.55 - $126.64 $1.59 Million - $1.88 Million	14,818 Added 67.14%	36,887 $4.15 Million
Q3 2017 Nov 13, 2017	BUY	$95.87 - $106.55 $2.12 Million - $2.35 Million	22,069	22,069 $2.35 Million

Others Institutions Holding MPWR

# of Institutions

988

Shares Held

43.7M

Call Options Held

415K

Put Options Held

480K

View Full List

About MONOLITHIC POWER SYSTEMS INC

Ticker MPWR
Exchange NASDAQ
Sector Technology
Industry Semiconductors
Shares Outstandng 46,941,000
Market Cap $37.5B
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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Rafferty Asset Management, LLC Monolithic Power Systems Inc Transaction History