MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 11,143 Value ($000) $10,100 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 11,501 Value ($000) $10,588 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 11,743 Value ($000) $8,589 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 10,937 Value ($000) $6,343 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 10,372 Value ($000) $6,137 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 10,613 Value ($000) $9,812 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 10,691 Value ($000) $8,785 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 10,544 Value ($000) $7,143 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 10,492 Value ($000) $6,618 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 9,607 Value ($000) $4,438 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 7,857 Value ($000) $4,245 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 7,587 Value ($000) $3,798 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 7,538 Value ($000) $3 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 6,502 Value ($000) $2,363 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 6,384 Value ($000) $2,452 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 5,797 Value ($000) $2,815 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 5,438 Value ($000) $2,683 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 5,409 Value ($000) $2,622 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 5,389 Value ($000) $2,013 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 5,363 Value ($000) $1,894 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 14,156 Value ($000) $5,184 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 13,531 Value ($000) $3,783 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 8,803 Value ($000) $2,086 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 9,504 Value ($000) $1,592 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 7,126 Value ($000) $1,269 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 7,081 Value ($000) $1,102 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 6,980 Value ($000) $948 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 6,956 Value ($000) $942 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 6,847 Value ($000) $796 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 7,907 Value ($000) $993 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 10,476 Value ($000) $1,400 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 10,451 Value ($000) $1,210 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 5,579 Value ($000) $627 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 5,554 Value ($000) $592 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 5,541 Value ($000) $534 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 5,533 Value ($000) $510 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 5,540 Value ($000) $454 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 5,510 Value ($000) $444 Avg Close $68.33 Range $60.21 - $75.04

Q1 2015

Shares 10,490 Value ($000) $552 Avg Close $45.64 Range $40.76 - $50.87

Q3 2014

Shares 29,805 Value ($000) $1,313 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 29,915 Value ($000) $1,267 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 21,335 Value ($000) $827 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 12,430 Value ($000) $431 Avg Close $28.65 Range $24.43 - $31.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,143	$10,100	$960.73	$831.77 - $1121.48
Q3 2025	11,501	$10,588	$808.07	$684.50 - $934.81
Q2 2025	11,743	$8,589	$633.58	$436.42 - $750.80
Q1 2025	10,937	$6,343	$624.99	$550.94 - $718.03
Q4 2024	10,372	$6,137	$716.72	$541.09 - $944.19
Q3 2024	10,613	$9,812	$853.35	$721.11 - $948.49
Q2 2024	10,691	$8,785	$712.18	$577.26 - $845.04
Q1 2024	10,544	$7,143	$657.62	$552.66 - $766.48
Q4 2023	10,492	$6,618	$513.84	$385.61 - $636.41
Q3 2023	9,607	$4,438	$501.94	$430.22 - $584.79
Q2 2023	7,857	$4,245	$465.29	$375.28 - $542.22
Q1 2023	7,587	$3,798	$449.31	$331.60 - $518.64
Q4 2022	7,538	$3	$350.38	$294.21 - $405.83
Q3 2022	6,502	$2,363	$432.95	$338.72 - $526.93
Q2 2022	6,384	$2,452	$410.37	$365.38 - $475.87
Q1 2022	5,797	$2,815	$422.77	$340.68 - $499.27
Q4 2021	5,438	$2,683	$500.08	$444.81 - $561.94
Q3 2021	5,409	$2,622	$440.15	$351.70 - $504.81
Q2 2021	5,389	$2,013	$340.03	$291.31 - $382.48
Q1 2021	5,363	$1,894	$351.26	$290.78 - $392.28
Q4 2020	14,156	$5,184	$308.64	$261.69 - $353.99
Q3 2020	13,531	$3,783	$250.15	$223.49 - $273.49
Q2 2020	8,803	$2,086	$194.18	$144.85 - $229.19
Q1 2020	9,504	$1,592	$163.85	$124.42 - $184.64
Q4 2019	7,126	$1,269	$152.39	$125.11 - $175.03
Q3 2019	7,081	$1,102	$142.31	$127.77 - $155.32
Q2 2019	6,980	$948	$129.05	$108.95 - $152.95
Q1 2019	6,956	$942	$124.16	$101.64 - $137.81
Q4 2018	6,847	$796	$112.91	$96.22 - $130.06
Q3 2018	7,907	$993	$131.20	$117.51 - $143.26
Q2 2018	10,476	$1,400	$119.62	$102.58 - $133.88
Q1 2018	10,451	$1,210	$111.03	$96.61 - $119.53
Q4 2017	5,579	$627	$108.54	$98.18 - $118.56
Q3 2017	5,554	$592	$94.77	$87.95 - $100.67
Q2 2017	5,541	$534	$88.76	$82.13 - $96.78
Q1 2017	5,533	$510	$82.35	$76.05 - $87.81
Q4 2016	5,540	$454	$74.44	$69.57 - $81.67
Q3 2016	5,510	$444	$68.33	$60.21 - $75.04
Q1 2015	10,490	$552	$45.64	$40.76 - $50.87
Q3 2014	29,805	$1,313	$39.57	$36.40 - $43.40
Q2 2014	29,915	$1,267	$34.76	$31.35 - $38.50
Q1 2014	21,335	$827	$31.60	$27.60 - $35.10
Q4 2013	12,430	$431	$28.65	$24.43 - $31.16