Strs Ohio Monolithic Power Systems Inc Transaction History

Strs Ohio

$26.2 Billion
Q3 2025

A detailed history of Strs Ohio transactions in Monolithic Power Systems Inc stock. As of the latest transaction made, Strs Ohio holds 77,807 shares of MPWR stock, worth $71.6 Million. This represents 0.27% of its overall portfolio holdings.

Number of Shares

77,807

Previous 109,406 28.88%

Holding current value

$71.6 Million

Previous $80 Million 10.48%

% of portfolio

0.27%

Previous 0.31%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 30, 2025	SELL	$711.24 - $922.81 $22.5 Million - $29.2 Million	-31,599 Reduced 28.88%	77,807 $71.6 Million
Q2 2025 Aug 04, 2025	SELL	$455.19 - $737.73 $2.09 Million - $3.39 Million	-4,594 Reduced 4.03%	109,406 $80 Million
Q1 2025 May 28, 2025	BUY	$565.7 - $720.25 $6.14 Million - $7.82 Million	10,854 Added 10.52%	114,000 $66.1 Million
Q3 2024 Nov 01, 2024	SELL	$757.04 - $947.16 $3.88 Million - $4.86 Million	-5,126 Reduced 4.73%	103,146 $95.4 Million
Q2 2024 Aug 05, 2024	BUY	$591.52 - $852.56 $1.93 Million - $2.79 Million	3,268 Added 3.11%	108,272 $89 Million

Q1 2024 May 13, 2024	SELL	$571.06 - $767.6 $8.62 Million - $11.6 Million	-15,092 Reduced 12.57%	105,004 $71.1 Million
Q4 2023 Jan 30, 2024	SELL	$399.73 - $637.39 $2.84 Million - $4.54 Million	-7,116 Reduced 5.59%	120,096 $75.8 Million
Q3 2023 Oct 26, 2023	BUY	$440.38 - $588.72 $533,740 - $713,528	1,212 Added 0.96%	127,212 $58.8 Million
Q2 2023 Jul 31, 2023	SELL	$398.61 - $540.23 $3.02 Million - $4.09 Million	-7,569 Reduced 5.67%	126,000 $68.1 Million
Q1 2023 Aug 02, 2023	BUY	$342.95 - $530.09 $2.6 Million - $4.01 Million	7,569 Added 6.01%	133,569 $66.9 Million
Q1 2023 Apr 27, 2023	SELL	$342.95 - $530.09 $12.1 Million - $18.7 Million	-35,222 Reduced 20.87%	133,569 $66.9 Million
Q4 2022 Jan 26, 2023	BUY	$309.2 - $405.03 $132,028 - $172,947	427 Added 0.25%	168,791 $59.7 Million
Q3 2022 Oct 27, 2022	BUY	$363.4 - $536.88 $59,597 - $88,048	164 Added 0.1%	168,364 $61.2 Million
Q2 2022 Jul 25, 2022	SELL	$384.04 - $479.19 $4.28 Million - $5.34 Million	-11,152 Reduced 6.22%	168,200 $64.6 Million
Q1 2022 Apr 21, 2022	BUY	$361.12 - $512.21 $6.89 Million - $9.77 Million	19,068 Added 11.9%	179,352 $87.1 Million
Q4 2021 Jan 24, 2022	BUY	$460.83 - $575.97 $6.36 Million - $7.95 Million	13,806 Added 9.43%	160,284 $79.1 Million
Q2 2021 Jul 26, 2021	SELL	$306.1 - $389.53 $49,588 - $63,103	-162 Reduced 0.11%	146,478 $54.7 Million
Q1 2021 Apr 23, 2021	BUY	$302.05 - $403.18 $6.45 Million - $8.61 Million	21,345 Added 17.04%	146,640 $51.8 Million
Q4 2020 Jan 25, 2021	SELL	$272.37 - $366.23 $5.53 Million - $7.44 Million	-20,305 Reduced 13.95%	125,295 $45.9 Million
Q3 2020 Dec 14, 2020	SELL	$235.55 - $282.85 $7.12 Million - $8.55 Million	-30,239 Reduced 17.2%	145,600 $40.7 Million
Q2 2020 Jul 23, 2020	BUY	$153.42 - $237.0 $441,235 - $681,612	2,876 Added 1.66%	175,839 $41.7 Million
Q1 2020 Apr 23, 2020	BUY	$135.22 - $191.43 $5.37 Million - $7.6 Million	39,718 Added 29.81%	172,963 $29 Million
Q4 2019 Jan 24, 2020	BUY	$135.15 - $182.89 $9.22 Million - $12.5 Million	68,245 Added 104.99%	133,245 $23.7 Million
Q3 2019 Oct 21, 2019	BUY	$136.01 - $161.55 $8.84 Million - $10.5 Million	65,000 New	65,000 $10.1 Million
Q2 2019 Jul 25, 2019	SELL	$116.45 - $157.53 $250,018 - $338,216	-2,147 Closed	0 $0
Q1 2019 Apr 19, 2019	SELL	$108.61 - $145.01 $28,021 - $37,412	-258 Reduced 10.73%	2,147 $290,000
Q4 2018 Jan 23, 2019	SELL	$104.17 - $134.73 $32,292 - $41,766	-310 Reduced 11.42%	2,405 $279,000
Q3 2018 Oct 19, 2018	BUY	$125.53 - $151.38 $24,980 - $30,124	199 Added 7.91%	2,715 $340,000
Q2 2018 Aug 06, 2018	SELL	$110.8 - $141.63 $419,267 - $535,927	-3,784 Reduced 60.06%	2,516 $336,000
Q1 2018 Apr 20, 2018	BUY	$103.82 - $125.51 $31,145 - $37,653	300 Added 5.0%	6,300 $729,000
Q3 2017 Oct 23, 2017	BUY	$95.87 - $106.55 $575,220 - $639,300	6,000	6,000 $639,000

Others Institutions Holding MPWR

# of Institutions

1,092

Shares Held

66.4M

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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