MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 151,038 Value ($000) $136,905 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 156,577 Value ($000) $144,113 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 150,361 Value ($000) $109,983 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 160,549 Value ($000) $93,105 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 159,587 Value ($000) $94,440 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 148,826 Value ($000) $137,592 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 151,406 Value ($000) $124,405 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 148,807 Value ($000) $100,805 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 149,652 Value ($000) $94,399 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 153,393 Value ($000) $70,864 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 146,050 Value ($000) $78,901 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 139,211 Value ($000) $69,680 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 136,549 Value ($000) $48 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 133,883 Value ($000) $48,656 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 131,620 Value ($000) $50,548 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 147,970 Value ($000) $71,868 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 149,222 Value ($000) $73,614 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 149,800 Value ($000) $72,608 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 151,942 Value ($000) $56,745 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 159,775 Value ($000) $56,367 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 164,694 Value ($000) $60,313 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 179,386 Value ($000) $50,155 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 179,156 Value ($000) $42,451 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 187,051 Value ($000) $31,318 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 195,217 Value ($000) $34,753 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 191,819 Value ($000) $29,854 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 190,476 Value ($000) $25,860 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 253,451 Value ($000) $34,340 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 245,914 Value ($000) $28,587 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 236,975 Value ($000) $29,748 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 232,282 Value ($000) $31,050 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 227,653 Value ($000) $26,355 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 239,783 Value ($000) $26,943 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 257,691 Value ($000) $27,457 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 273,348 Value ($000) $26,351 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 305,009 Value ($000) $28,091 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 323,461 Value ($000) $26,502 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 319,287 Value ($000) $25,702 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 430,344 Value ($000) $29,400 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 482,676 Value ($000) $30,717 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 482,724 Value ($000) $30,755 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 485,182 Value ($000) $24,841 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 490,124 Value ($000) $24,855 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 564,372 Value ($000) $29,714 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 830,561 Value ($000) $41,312 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 831,188 Value ($000) $36,615 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 833,288 Value ($000) $35,289 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 833,283 Value ($000) $32,305 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 899,111 Value ($000) $31,163 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 910,243 Value ($000) $27,561 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 907,974 Value ($000) $21,891 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	151,038	$136,905	$960.73	$831.77 - $1121.48
Q3 2025	156,577	$144,113	$808.07	$684.50 - $934.81
Q2 2025	150,361	$109,983	$633.58	$436.42 - $750.80
Q1 2025	160,549	$93,105	$624.99	$550.94 - $718.03
Q4 2024	159,587	$94,440	$716.72	$541.09 - $944.19
Q3 2024	148,826	$137,592	$853.35	$721.11 - $948.49
Q2 2024	151,406	$124,405	$712.18	$577.26 - $845.04
Q1 2024	148,807	$100,805	$657.62	$552.66 - $766.48
Q4 2023	149,652	$94,399	$513.84	$385.61 - $636.41
Q3 2023	153,393	$70,864	$501.94	$430.22 - $584.79
Q2 2023	146,050	$78,901	$465.29	$375.28 - $542.22
Q1 2023	139,211	$69,680	$449.31	$331.60 - $518.64
Q4 2022	136,549	$48	$350.38	$294.21 - $405.83
Q3 2022	133,883	$48,656	$432.95	$338.72 - $526.93
Q2 2022	131,620	$50,548	$410.37	$365.38 - $475.87
Q1 2022	147,970	$71,868	$422.77	$340.68 - $499.27
Q4 2021	149,222	$73,614	$500.08	$444.81 - $561.94
Q3 2021	149,800	$72,608	$440.15	$351.70 - $504.81
Q2 2021	151,942	$56,745	$340.03	$291.31 - $382.48
Q1 2021	159,775	$56,367	$351.26	$290.78 - $392.28
Q4 2020	164,694	$60,313	$308.64	$261.69 - $353.99
Q3 2020	179,386	$50,155	$250.15	$223.49 - $273.49
Q2 2020	179,156	$42,451	$194.18	$144.85 - $229.19
Q1 2020	187,051	$31,318	$163.85	$124.42 - $184.64
Q4 2019	195,217	$34,753	$152.39	$125.11 - $175.03
Q3 2019	191,819	$29,854	$142.31	$127.77 - $155.32
Q2 2019	190,476	$25,860	$129.05	$108.95 - $152.95
Q1 2019	253,451	$34,340	$124.16	$101.64 - $137.81
Q4 2018	245,914	$28,587	$112.91	$96.22 - $130.06
Q3 2018	236,975	$29,748	$131.20	$117.51 - $143.26
Q2 2018	232,282	$31,050	$119.62	$102.58 - $133.88
Q1 2018	227,653	$26,355	$111.03	$96.61 - $119.53
Q4 2017	239,783	$26,943	$108.54	$98.18 - $118.56
Q3 2017	257,691	$27,457	$94.77	$87.95 - $100.67
Q2 2017	273,348	$26,351	$88.76	$82.13 - $96.78
Q1 2017	305,009	$28,091	$82.35	$76.05 - $87.81
Q4 2016	323,461	$26,502	$74.44	$69.57 - $81.67
Q3 2016	319,287	$25,702	$68.33	$60.21 - $75.04
Q2 2016	430,344	$29,400	$60.38	$55.33 - $65.50
Q1 2016	482,676	$30,717	$54.76	$50.58 - $59.11
Q4 2015	482,724	$30,755	$56.88	$45.12 - $63.43
Q3 2015	485,182	$24,841	$45.23	$37.18 - $48.10
Q2 2015	490,124	$24,855	$48.11	$44.76 - $50.50
Q1 2015	564,372	$29,714	$45.64	$40.76 - $50.87
Q4 2014	830,561	$41,312	$40.54	$30.68 - $45.83
Q3 2014	831,188	$36,615	$39.57	$36.40 - $43.40
Q2 2014	833,288	$35,289	$34.76	$31.35 - $38.50
Q1 2014	833,283	$32,305	$31.60	$27.60 - $35.10
Q4 2013	899,111	$31,163	$28.65	$24.43 - $31.16
Q3 2013	910,243	$27,561	$25.18	$21.26 - $28.18
Q2 2013	907,974	$21,891	$21.28	$18.50 - $22.86