MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

CITIGROUP INC's Holding History (CIK: 0000831001)

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

Q4 2025

Shares 245,479 Value ($000) $222,492 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 178,183 Value ($000) $164,042 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 278,929 Value ($000) $204,003 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 272,981 Value ($000) $158,324 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 347,180 Value ($000) $205,427 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 317,488 Value ($000) $293,518 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 329,832 Value ($000) $271,017 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 248,316 Value ($000) $168,214 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 117,364 Value ($000) $74,031 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 144,609 Value ($000) $66,809 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 183,024 Value ($000) $98,875 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 96,544 Value ($000) $48,324 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 84,008 Value ($000) $29,706 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 104,979 Value ($000) $38,150 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 133,806 Value ($000) $51,386 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 165,095 Value ($000) $80,184 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 148,578 Value ($000) $73,298 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 153,231 Value ($000) $74,268 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 121,954 Value ($000) $45,544 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 129,999 Value ($000) $45,917 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 47,787 Value ($000) $17,500 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 68,177 Value ($000) $19,064 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 62,324 Value ($000) $14,770 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 26,680 Value ($000) $4,468 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 33,438 Value ($000) $5,953 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 20,493 Value ($000) $3,189 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 29,299 Value ($000) $3,978 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 12,047 Value ($000) $1,632 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 26,452 Value ($000) $3,076 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 23,402 Value ($000) $2,937 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 6,167 Value ($000) $825 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 17,218 Value ($000) $1,993 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 4,847 Value ($000) $545 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 7,000 Value ($000) $746 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 5,068 Value ($000) $488 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 10,766 Value ($000) $992 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 51,626 Value ($000) $4,229 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 67 Value ($000) $5 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 18,937 Value ($000) $1,293 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 35,171 Value ($000) $2,238 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 12,031 Value ($000) $767 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 7,508 Value ($000) $384 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 905 Value ($000) $46 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 4,842 Value ($000) $255 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 15,414 Value ($000) $767 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 3,002 Value ($000) $132 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 10,035 Value ($000) $425 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 8,828 Value ($000) $343 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 12,488 Value ($000) $433 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 188 Value ($000) $6 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 211 Value ($000) $5 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	245,479	$222,492	$960.73	$831.77 - $1121.48
Q3 2025	178,183	$164,042	$808.07	$684.50 - $934.81
Q2 2025	278,929	$204,003	$633.58	$436.42 - $750.80
Q1 2025	272,981	$158,324	$624.99	$550.94 - $718.03
Q4 2024	347,180	$205,427	$716.72	$541.09 - $944.19
Q3 2024	317,488	$293,518	$853.35	$721.11 - $948.49
Q2 2024	329,832	$271,017	$712.18	$577.26 - $845.04
Q1 2024	248,316	$168,214	$657.62	$552.66 - $766.48
Q4 2023	117,364	$74,031	$513.84	$385.61 - $636.41
Q3 2023	144,609	$66,809	$501.94	$430.22 - $584.79
Q2 2023	183,024	$98,875	$465.29	$375.28 - $542.22
Q1 2023	96,544	$48,324	$449.31	$331.60 - $518.64
Q4 2022	84,008	$29,706	$350.38	$294.21 - $405.83
Q3 2022	104,979	$38,150	$432.95	$338.72 - $526.93
Q2 2022	133,806	$51,386	$410.37	$365.38 - $475.87
Q1 2022	165,095	$80,184	$422.77	$340.68 - $499.27
Q4 2021	148,578	$73,298	$500.08	$444.81 - $561.94
Q3 2021	153,231	$74,268	$440.15	$351.70 - $504.81
Q2 2021	121,954	$45,544	$340.03	$291.31 - $382.48
Q1 2021	129,999	$45,917	$351.26	$290.78 - $392.28
Q4 2020	47,787	$17,500	$308.64	$261.69 - $353.99
Q3 2020	68,177	$19,064	$250.15	$223.49 - $273.49
Q2 2020	62,324	$14,770	$194.18	$144.85 - $229.19
Q1 2020	26,680	$4,468	$163.85	$124.42 - $184.64
Q4 2019	33,438	$5,953	$152.39	$125.11 - $175.03
Q3 2019	20,493	$3,189	$142.31	$127.77 - $155.32
Q2 2019	29,299	$3,978	$129.05	$108.95 - $152.95
Q1 2019	12,047	$1,632	$124.16	$101.64 - $137.81
Q4 2018	26,452	$3,076	$112.91	$96.22 - $130.06
Q3 2018	23,402	$2,937	$131.20	$117.51 - $143.26
Q2 2018	6,167	$825	$119.62	$102.58 - $133.88
Q1 2018	17,218	$1,993	$111.03	$96.61 - $119.53
Q4 2017	4,847	$545	$108.54	$98.18 - $118.56
Q3 2017	7,000	$746	$94.77	$87.95 - $100.67
Q2 2017	5,068	$488	$88.76	$82.13 - $96.78
Q1 2017	10,766	$992	$82.35	$76.05 - $87.81
Q4 2016	51,626	$4,229	$74.44	$69.57 - $81.67
Q3 2016	67	$5	$68.33	$60.21 - $75.04
Q2 2016	18,937	$1,293	$60.38	$55.33 - $65.50
Q1 2016	35,171	$2,238	$54.76	$50.58 - $59.11
Q4 2015	12,031	$767	$56.88	$45.12 - $63.43
Q3 2015	7,508	$384	$45.23	$37.18 - $48.10
Q2 2015	905	$46	$48.11	$44.76 - $50.50
Q1 2015	4,842	$255	$45.64	$40.76 - $50.87
Q4 2014	15,414	$767	$40.54	$30.68 - $45.83
Q3 2014	3,002	$132	$39.57	$36.40 - $43.40
Q2 2014	10,035	$425	$34.76	$31.35 - $38.50
Q1 2014	8,828	$343	$31.60	$27.60 - $35.10
Q4 2013	12,488	$433	$28.65	$24.43 - $31.16
Q3 2013	188	$6	$25.18	$21.26 - $28.18
Q2 2013	211	$5	$21.28	$18.50 - $22.86