MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 11,229 Value ($000) $10,178 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 260,466 Value ($000) $239,795 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 7,650 Value ($000) $5,595 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 775 Value ($000) $449 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 131,110 Value ($000) $77,578 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 2,354 Value ($000) $2,176 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 4,753 Value ($000) $3,905 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 19,471 Value ($000) $13,190 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 13,401 Value ($000) $8,453 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 60,044 Value ($000) $27,740 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 1,670 Value ($000) $902 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 177,347 Value ($000) $88,769 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 2,382 Value ($000) $842 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 147,783 Value ($000) $53,704 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 155,686 Value ($000) $59,789 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 296,214 Value ($000) $143,865 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 34,876 Value ($000) $17,205 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 1,036 Value ($000) $502 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 284,104 Value ($000) $106,099 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 60,861 Value ($000) $21,497 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 94,967 Value ($000) $34,780 Avg Close $308.64 Range $261.69 - $353.99

Q2 2020

Shares 25,824 Value ($000) $6,120 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 217,867 Value ($000) $36,484 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 201,833 Value ($000) $35,931 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 45,958 Value ($000) $7,152 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 18,817 Value ($000) $2,555 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 25,379 Value ($000) $3,438 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 39,953 Value ($000) $4,645 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 38,789 Value ($000) $4,869 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 8,143 Value ($000) $1,088 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 11,497 Value ($000) $1,331 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 23,120 Value ($000) $2,598 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 51,249 Value ($000) $5,460 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 7,746 Value ($000) $747 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 4,391 Value ($000) $404 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 26,648 Value ($000) $2,183 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 18,132 Value ($000) $1,460 Avg Close $68.33 Range $60.21 - $75.04

Q3 2015

Shares 3,872 Value ($000) $198 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 38,316 Value ($000) $1,943 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 628,497 Value ($000) $33,091 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 1,066,696 Value ($000) $53,057 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 970,155 Value ($000) $42,735 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 1,640,055 Value ($000) $69,456 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 1,723,581 Value ($000) $66,823 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 1,946,491 Value ($000) $67,465 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 1,700,121 Value ($000) $51,480 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 1,524,377 Value ($000) $36,753 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,229	$10,178	$960.73	$831.77 - $1121.48
Q3 2025	260,466	$239,795	$808.07	$684.50 - $934.81
Q2 2025	7,650	$5,595	$633.58	$436.42 - $750.80
Q1 2025	775	$449	$624.99	$550.94 - $718.03
Q4 2024	131,110	$77,578	$716.72	$541.09 - $944.19
Q3 2024	2,354	$2,176	$853.35	$721.11 - $948.49
Q2 2024	4,753	$3,905	$712.18	$577.26 - $845.04
Q1 2024	19,471	$13,190	$657.62	$552.66 - $766.48
Q4 2023	13,401	$8,453	$513.84	$385.61 - $636.41
Q3 2023	60,044	$27,740	$501.94	$430.22 - $584.79
Q2 2023	1,670	$902	$465.29	$375.28 - $542.22
Q1 2023	177,347	$88,769	$449.31	$331.60 - $518.64
Q4 2022	2,382	$842	$350.38	$294.21 - $405.83
Q3 2022	147,783	$53,704	$432.95	$338.72 - $526.93
Q2 2022	155,686	$59,789	$410.37	$365.38 - $475.87
Q1 2022	296,214	$143,865	$422.77	$340.68 - $499.27
Q4 2021	34,876	$17,205	$500.08	$444.81 - $561.94
Q3 2021	1,036	$502	$440.15	$351.70 - $504.81
Q2 2021	284,104	$106,099	$340.03	$291.31 - $382.48
Q1 2021	60,861	$21,497	$351.26	$290.78 - $392.28
Q4 2020	94,967	$34,780	$308.64	$261.69 - $353.99
Q2 2020	25,824	$6,120	$194.18	$144.85 - $229.19
Q1 2020	217,867	$36,484	$163.85	$124.42 - $184.64
Q4 2019	201,833	$35,931	$152.39	$125.11 - $175.03
Q3 2019	45,958	$7,152	$142.31	$127.77 - $155.32
Q2 2019	18,817	$2,555	$129.05	$108.95 - $152.95
Q1 2019	25,379	$3,438	$124.16	$101.64 - $137.81
Q4 2018	39,953	$4,645	$112.91	$96.22 - $130.06
Q3 2018	38,789	$4,869	$131.20	$117.51 - $143.26
Q2 2018	8,143	$1,088	$119.62	$102.58 - $133.88
Q1 2018	11,497	$1,331	$111.03	$96.61 - $119.53
Q4 2017	23,120	$2,598	$108.54	$98.18 - $118.56
Q3 2017	51,249	$5,460	$94.77	$87.95 - $100.67
Q2 2017	7,746	$747	$88.76	$82.13 - $96.78
Q1 2017	4,391	$404	$82.35	$76.05 - $87.81
Q4 2016	26,648	$2,183	$74.44	$69.57 - $81.67
Q3 2016	18,132	$1,460	$68.33	$60.21 - $75.04
Q3 2015	3,872	$198	$45.23	$37.18 - $48.10
Q2 2015	38,316	$1,943	$48.11	$44.76 - $50.50
Q1 2015	628,497	$33,091	$45.64	$40.76 - $50.87
Q4 2014	1,066,696	$53,057	$40.54	$30.68 - $45.83
Q3 2014	970,155	$42,735	$39.57	$36.40 - $43.40
Q2 2014	1,640,055	$69,456	$34.76	$31.35 - $38.50
Q1 2014	1,723,581	$66,823	$31.60	$27.60 - $35.10
Q4 2013	1,946,491	$67,465	$28.65	$24.43 - $31.16
Q3 2013	1,700,121	$51,480	$25.18	$21.26 - $28.18
Q2 2013	1,524,377	$36,753	$21.28	$18.50 - $22.86