MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 167,265 Value ($000) $151,604 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 169,712 Value ($000) $156,246 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 169,845 Value ($000) $124,223 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 174,642 Value ($000) $101,290 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 174,411 Value ($000) $103,200 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 81,064 Value ($000) $74,945 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 119,780 Value ($000) $98,421 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 129,743 Value ($000) $87,891 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 142,003 Value ($000) $89,573 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 128,327 Value ($000) $59,287 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 189,759 Value ($000) $102,512 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 173,319 Value ($000) $86,752 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 139,390 Value ($000) $49,290 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 142,055 Value ($000) $51,629 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 144,782 Value ($000) $55,600 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 138,766 Value ($000) $67,395 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 141,183 Value ($000) $69,523 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 145,709 Value ($000) $70,623 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 139,547 Value ($000) $52,114 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 120,996 Value ($000) $42,737 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 205,171 Value ($000) $75,139 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 214,153 Value ($000) $59,879 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 218,347 Value ($000) $51,749 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 211,640 Value ($000) $35,439 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 255,550 Value ($000) $45,494 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 172,720 Value ($000) $26,880 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 173,108 Value ($000) $23,505 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 175,700 Value ($000) $23,806 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 167,868 Value ($000) $19,515 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 175,837 Value ($000) $22,073 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 173,071 Value ($000) $23,135 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 168,265 Value ($000) $19,480 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 162,014 Value ($000) $18,204 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 161,686 Value ($000) $17,228 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 160,739 Value ($000) $15,496 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 153,965 Value ($000) $14,180 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 148,254 Value ($000) $12,146 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 148,190 Value ($000) $11,929 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 266,184 Value ($000) $18,186 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 258,666 Value ($000) $16,462 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 244,677 Value ($000) $15,588 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 234,514 Value ($000) $12,007 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 230,888 Value ($000) $11,708 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 230,865 Value ($000) $12,155 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 225,737 Value ($000) $11,228 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 224,973 Value ($000) $9,910 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 222,165 Value ($000) $9,409 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 225,239 Value ($000) $8,732 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 213,097 Value ($000) $7,386 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 197,585 Value ($000) $5,983 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 181,984 Value ($000) $4,388 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	167,265	$151,604	$960.73	$831.77 - $1121.48
Q3 2025	169,712	$156,246	$808.07	$684.50 - $934.81
Q2 2025	169,845	$124,223	$633.58	$436.42 - $750.80
Q1 2025	174,642	$101,290	$624.99	$550.94 - $718.03
Q4 2024	174,411	$103,200	$716.72	$541.09 - $944.19
Q3 2024	81,064	$74,945	$853.35	$721.11 - $948.49
Q2 2024	119,780	$98,421	$712.18	$577.26 - $845.04
Q1 2024	129,743	$87,891	$657.62	$552.66 - $766.48
Q4 2023	142,003	$89,573	$513.84	$385.61 - $636.41
Q3 2023	128,327	$59,287	$501.94	$430.22 - $584.79
Q2 2023	189,759	$102,512	$465.29	$375.28 - $542.22
Q1 2023	173,319	$86,752	$449.31	$331.60 - $518.64
Q4 2022	139,390	$49,290	$350.38	$294.21 - $405.83
Q3 2022	142,055	$51,629	$432.95	$338.72 - $526.93
Q2 2022	144,782	$55,600	$410.37	$365.38 - $475.87
Q1 2022	138,766	$67,395	$422.77	$340.68 - $499.27
Q4 2021	141,183	$69,523	$500.08	$444.81 - $561.94
Q3 2021	145,709	$70,623	$440.15	$351.70 - $504.81
Q2 2021	139,547	$52,114	$340.03	$291.31 - $382.48
Q1 2021	120,996	$42,737	$351.26	$290.78 - $392.28
Q4 2020	205,171	$75,139	$308.64	$261.69 - $353.99
Q3 2020	214,153	$59,879	$250.15	$223.49 - $273.49
Q2 2020	218,347	$51,749	$194.18	$144.85 - $229.19
Q1 2020	211,640	$35,439	$163.85	$124.42 - $184.64
Q4 2019	255,550	$45,494	$152.39	$125.11 - $175.03
Q3 2019	172,720	$26,880	$142.31	$127.77 - $155.32
Q2 2019	173,108	$23,505	$129.05	$108.95 - $152.95
Q1 2019	175,700	$23,806	$124.16	$101.64 - $137.81
Q4 2018	167,868	$19,515	$112.91	$96.22 - $130.06
Q3 2018	175,837	$22,073	$131.20	$117.51 - $143.26
Q2 2018	173,071	$23,135	$119.62	$102.58 - $133.88
Q1 2018	168,265	$19,480	$111.03	$96.61 - $119.53
Q4 2017	162,014	$18,204	$108.54	$98.18 - $118.56
Q3 2017	161,686	$17,228	$94.77	$87.95 - $100.67
Q2 2017	160,739	$15,496	$88.76	$82.13 - $96.78
Q1 2017	153,965	$14,180	$82.35	$76.05 - $87.81
Q4 2016	148,254	$12,146	$74.44	$69.57 - $81.67
Q3 2016	148,190	$11,929	$68.33	$60.21 - $75.04
Q2 2016	266,184	$18,186	$60.38	$55.33 - $65.50
Q1 2016	258,666	$16,462	$54.76	$50.58 - $59.11
Q4 2015	244,677	$15,588	$56.88	$45.12 - $63.43
Q3 2015	234,514	$12,007	$45.23	$37.18 - $48.10
Q2 2015	230,888	$11,708	$48.11	$44.76 - $50.50
Q1 2015	230,865	$12,155	$45.64	$40.76 - $50.87
Q4 2014	225,737	$11,228	$40.54	$30.68 - $45.83
Q3 2014	224,973	$9,910	$39.57	$36.40 - $43.40
Q2 2014	222,165	$9,409	$34.76	$31.35 - $38.50
Q1 2014	225,239	$8,732	$31.60	$27.60 - $35.10
Q4 2013	213,097	$7,386	$28.65	$24.43 - $31.16
Q3 2013	197,585	$5,983	$25.18	$21.26 - $28.18
Q2 2013	181,984	$4,388	$21.28	$18.50 - $22.86