MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

GUGGENHEIM CAPITAL LLC's Holding History (CIK: 0001283072)

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

Q4 2025

Shares 16,228 Value ($000) $14,708 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 3,382 Value ($000) $3,114 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 3,304 Value ($000) $2,416 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 3,717 Value ($000) $2,156 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 4,680 Value ($000) $2,769 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 9,762 Value ($000) $9,025 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 7,608 Value ($000) $6,251 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 6,950 Value ($000) $4,708 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 6,839 Value ($000) $4,314 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 7,002 Value ($000) $3,235 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 7,832 Value ($000) $4,231 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 6,723 Value ($000) $3,365 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 5,373 Value ($000) $1,900 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 6,883 Value ($000) $2,502 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 8,966 Value ($000) $3,443 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 12,879 Value ($000) $6,255 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 18,117 Value ($000) $8,937 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 12,059 Value ($000) $5,845 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 13,406 Value ($000) $5,006 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 12,529 Value ($000) $4,425 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 11,193 Value ($000) $4,099 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 9,737 Value ($000) $2,723 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 10,269 Value ($000) $2,434 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 8,489 Value ($000) $1,422 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 11,457 Value ($000) $2,040 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 8,240 Value ($000) $1,282 Avg Close $142.31 Range $127.77 - $155.32

Q4 2018

Shares 4,286 Value ($000) $498 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 16,828 Value ($000) $2,112 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 20,318 Value ($000) $2,714 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 89,259 Value ($000) $10,333 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 88,829 Value ($000) $9,980 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 107,607 Value ($000) $11,466 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 102,874 Value ($000) $9,919 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 122,988 Value ($000) $11,326 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 128,418 Value ($000) $10,520 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 110,541 Value ($000) $8,899 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 55,782 Value ($000) $3,811 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 54,120 Value ($000) $3,444 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 58,828 Value ($000) $3,749 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 70,924 Value ($000) $3,632 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 51,826 Value ($000) $2,628 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 35,814 Value ($000) $1,886 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 30,660 Value ($000) $1,525 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 14,508 Value ($000) $639 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 8,528 Value ($000) $361 Avg Close $34.76 Range $31.35 - $38.50

Q3 2013

Shares 32,512 Value ($000) $984 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 34,543 Value ($000) $833 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,228	$14,708	$960.73	$831.77 - $1121.48
Q3 2025	3,382	$3,114	$808.07	$684.50 - $934.81
Q2 2025	3,304	$2,416	$633.58	$436.42 - $750.80
Q1 2025	3,717	$2,156	$624.99	$550.94 - $718.03
Q4 2024	4,680	$2,769	$716.72	$541.09 - $944.19
Q3 2024	9,762	$9,025	$853.35	$721.11 - $948.49
Q2 2024	7,608	$6,251	$712.18	$577.26 - $845.04
Q1 2024	6,950	$4,708	$657.62	$552.66 - $766.48
Q4 2023	6,839	$4,314	$513.84	$385.61 - $636.41
Q3 2023	7,002	$3,235	$501.94	$430.22 - $584.79
Q2 2023	7,832	$4,231	$465.29	$375.28 - $542.22
Q1 2023	6,723	$3,365	$449.31	$331.60 - $518.64
Q4 2022	5,373	$1,900	$350.38	$294.21 - $405.83
Q3 2022	6,883	$2,502	$432.95	$338.72 - $526.93
Q2 2022	8,966	$3,443	$410.37	$365.38 - $475.87
Q1 2022	12,879	$6,255	$422.77	$340.68 - $499.27
Q4 2021	18,117	$8,937	$500.08	$444.81 - $561.94
Q3 2021	12,059	$5,845	$440.15	$351.70 - $504.81
Q2 2021	13,406	$5,006	$340.03	$291.31 - $382.48
Q1 2021	12,529	$4,425	$351.26	$290.78 - $392.28
Q4 2020	11,193	$4,099	$308.64	$261.69 - $353.99
Q3 2020	9,737	$2,723	$250.15	$223.49 - $273.49
Q2 2020	10,269	$2,434	$194.18	$144.85 - $229.19
Q1 2020	8,489	$1,422	$163.85	$124.42 - $184.64
Q4 2019	11,457	$2,040	$152.39	$125.11 - $175.03
Q3 2019	8,240	$1,282	$142.31	$127.77 - $155.32
Q4 2018	4,286	$498	$112.91	$96.22 - $130.06
Q3 2018	16,828	$2,112	$131.20	$117.51 - $143.26
Q2 2018	20,318	$2,714	$119.62	$102.58 - $133.88
Q1 2018	89,259	$10,333	$111.03	$96.61 - $119.53
Q4 2017	88,829	$9,980	$108.54	$98.18 - $118.56
Q3 2017	107,607	$11,466	$94.77	$87.95 - $100.67
Q2 2017	102,874	$9,919	$88.76	$82.13 - $96.78
Q1 2017	122,988	$11,326	$82.35	$76.05 - $87.81
Q4 2016	128,418	$10,520	$74.44	$69.57 - $81.67
Q3 2016	110,541	$8,899	$68.33	$60.21 - $75.04
Q2 2016	55,782	$3,811	$60.38	$55.33 - $65.50
Q1 2016	54,120	$3,444	$54.76	$50.58 - $59.11
Q4 2015	58,828	$3,749	$56.88	$45.12 - $63.43
Q3 2015	70,924	$3,632	$45.23	$37.18 - $48.10
Q2 2015	51,826	$2,628	$48.11	$44.76 - $50.50
Q1 2015	35,814	$1,886	$45.64	$40.76 - $50.87
Q4 2014	30,660	$1,525	$40.54	$30.68 - $45.83
Q3 2014	14,508	$639	$39.57	$36.40 - $43.40
Q2 2014	8,528	$361	$34.76	$31.35 - $38.50
Q3 2013	32,512	$984	$25.18	$21.26 - $28.18
Q2 2013	34,543	$833	$21.28	$18.50 - $22.86