MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

Rafferty Asset Management, LLC's Holding History (CIK: 0001389426)

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

Q4 2025

Shares 396,464 Value ($000) $359,339 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 379,318 Value ($000) $349,215 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 529,124 Value ($000) $386,991 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 388,855 Value ($000) $225,528 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 419,195 Value ($000) $248,038 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 391,069 Value ($000) $361,543 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 395,286 Value ($000) $324,799 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 425,558 Value ($000) $288,282 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 304,952 Value ($000) $192,358 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 263,565 Value ($000) $121,767 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 277,600 Value ($000) $149,968 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 213,067 Value ($000) $106,649 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 181,412 Value ($000) $64,149 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 161,006 Value ($000) $58,510 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 166,382 Value ($000) $63,897 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 199,157 Value ($000) $96,727 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 162,159 Value ($000) $79,998 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 109,468 Value ($000) $53,057 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 145,852 Value ($000) $54,468 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 127,657 Value ($000) $45,090 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 54,438 Value ($000) $19,937 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 54,606 Value ($000) $15,268 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 48,118 Value ($000) $11,404 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 14,836 Value ($000) $2,484 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 24,165 Value ($000) $4,302 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 20,806 Value ($000) $3,238 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 34,748 Value ($000) $4,718 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 32,662 Value ($000) $4,425 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 29,563 Value ($000) $3,437 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 30,394 Value ($000) $3,815 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 45,558 Value ($000) $6,090 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 45,863 Value ($000) $5,310 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 36,887 Value ($000) $4,145 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 22,069 Value ($000) $2,351 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 19,486 Value ($000) $1,878 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 12,692 Value ($000) $1,169 Avg Close $82.35 Range $76.05 - $87.81

Q2 2016

Shares 5,719 Value ($000) $391 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 3,592 Value ($000) $229 Avg Close $54.76 Range $50.58 - $59.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	396,464	$359,339	$960.73	$831.77 - $1121.48
Q3 2025	379,318	$349,215	$808.07	$684.50 - $934.81
Q2 2025	529,124	$386,991	$633.58	$436.42 - $750.80
Q1 2025	388,855	$225,528	$624.99	$550.94 - $718.03
Q4 2024	419,195	$248,038	$716.72	$541.09 - $944.19
Q3 2024	391,069	$361,543	$853.35	$721.11 - $948.49
Q2 2024	395,286	$324,799	$712.18	$577.26 - $845.04
Q1 2024	425,558	$288,282	$657.62	$552.66 - $766.48
Q4 2023	304,952	$192,358	$513.84	$385.61 - $636.41
Q3 2023	263,565	$121,767	$501.94	$430.22 - $584.79
Q2 2023	277,600	$149,968	$465.29	$375.28 - $542.22
Q1 2023	213,067	$106,649	$449.31	$331.60 - $518.64
Q4 2022	181,412	$64,149	$350.38	$294.21 - $405.83
Q3 2022	161,006	$58,510	$432.95	$338.72 - $526.93
Q2 2022	166,382	$63,897	$410.37	$365.38 - $475.87
Q1 2022	199,157	$96,727	$422.77	$340.68 - $499.27
Q4 2021	162,159	$79,998	$500.08	$444.81 - $561.94
Q3 2021	109,468	$53,057	$440.15	$351.70 - $504.81
Q2 2021	145,852	$54,468	$340.03	$291.31 - $382.48
Q1 2021	127,657	$45,090	$351.26	$290.78 - $392.28
Q4 2020	54,438	$19,937	$308.64	$261.69 - $353.99
Q3 2020	54,606	$15,268	$250.15	$223.49 - $273.49
Q2 2020	48,118	$11,404	$194.18	$144.85 - $229.19
Q1 2020	14,836	$2,484	$163.85	$124.42 - $184.64
Q4 2019	24,165	$4,302	$152.39	$125.11 - $175.03
Q3 2019	20,806	$3,238	$142.31	$127.77 - $155.32
Q2 2019	34,748	$4,718	$129.05	$108.95 - $152.95
Q1 2019	32,662	$4,425	$124.16	$101.64 - $137.81
Q4 2018	29,563	$3,437	$112.91	$96.22 - $130.06
Q3 2018	30,394	$3,815	$131.20	$117.51 - $143.26
Q2 2018	45,558	$6,090	$119.62	$102.58 - $133.88
Q1 2018	45,863	$5,310	$111.03	$96.61 - $119.53
Q4 2017	36,887	$4,145	$108.54	$98.18 - $118.56
Q3 2017	22,069	$2,351	$94.77	$87.95 - $100.67
Q2 2017	19,486	$1,878	$88.76	$82.13 - $96.78
Q1 2017	12,692	$1,169	$82.35	$76.05 - $87.81
Q2 2016	5,719	$391	$60.38	$55.33 - $65.50
Q1 2016	3,592	$229	$54.76	$50.58 - $59.11