MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

STIFEL FINANCIAL CORP's Holding History (CIK: 0000720672)

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

Q4 2025

Shares 80,712 Value ($000) $73,167 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 99,322 Value ($000) $91,452 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 105,333 Value ($000) $77,048 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 83,267 Value ($000) $48,298 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 76,989 Value ($000) $45,556 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 30,505 Value ($000) $28,204 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 28,688 Value ($000) $23,573 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 28,657 Value ($000) $19,414 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 17,756 Value ($000) $11,201 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 17,732 Value ($000) $8,192 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 19,274 Value ($000) $10,412 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 52,250 Value ($000) $26,153 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 74,489 Value ($000) $26,340 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 65,859 Value ($000) $23,933 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 20,578 Value ($000) $7,903 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 16,770 Value ($000) $8,145 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 17,283 Value ($000) $8,525 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 18,100 Value ($000) $8,772 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 17,498 Value ($000) $6,534 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 16,178 Value ($000) $5,714 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 18,493 Value ($000) $6,773 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 17,214 Value ($000) $4,813 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 12,455 Value ($000) $2,951 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 10,527 Value ($000) $1,837 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 96,496 Value ($000) $17,190 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 103,985 Value ($000) $16,210 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 142,355 Value ($000) $19,336 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 144,616 Value ($000) $19,601 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 148,064 Value ($000) $17,256 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 134,771 Value ($000) $16,944 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 191,934 Value ($000) $25,649 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 187,430 Value ($000) $21,708 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 207,024 Value ($000) $23,242 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 194,848 Value ($000) $20,759 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 192,910 Value ($000) $18,601 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 166,308 Value ($000) $15,319 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 142,991 Value ($000) $11,708 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 116,941 Value ($000) $9,407 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 96,156 Value ($000) $6,569 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 89,727 Value ($000) $5,709 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 85,317 Value ($000) $5,433 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 75,119 Value ($000) $3,845 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 48,356 Value ($000) $2,451 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 43,541 Value ($000) $2,291 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 43,644 Value ($000) $2,171 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 37,890 Value ($000) $1,669 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 44,791 Value ($000) $1,897 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 41,727 Value ($000) $1,618 Avg Close $31.60 Range $27.60 - $35.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	80,712	$73,167	$960.73	$831.77 - $1121.48
Q3 2025	99,322	$91,452	$808.07	$684.50 - $934.81
Q2 2025	105,333	$77,048	$633.58	$436.42 - $750.80
Q1 2025	83,267	$48,298	$624.99	$550.94 - $718.03
Q4 2024	76,989	$45,556	$716.72	$541.09 - $944.19
Q3 2024	30,505	$28,204	$853.35	$721.11 - $948.49
Q2 2024	28,688	$23,573	$712.18	$577.26 - $845.04
Q1 2024	28,657	$19,414	$657.62	$552.66 - $766.48
Q4 2023	17,756	$11,201	$513.84	$385.61 - $636.41
Q3 2023	17,732	$8,192	$501.94	$430.22 - $584.79
Q2 2023	19,274	$10,412	$465.29	$375.28 - $542.22
Q1 2023	52,250	$26,153	$449.31	$331.60 - $518.64
Q4 2022	74,489	$26,340	$350.38	$294.21 - $405.83
Q3 2022	65,859	$23,933	$432.95	$338.72 - $526.93
Q2 2022	20,578	$7,903	$410.37	$365.38 - $475.87
Q1 2022	16,770	$8,145	$422.77	$340.68 - $499.27
Q4 2021	17,283	$8,525	$500.08	$444.81 - $561.94
Q3 2021	18,100	$8,772	$440.15	$351.70 - $504.81
Q2 2021	17,498	$6,534	$340.03	$291.31 - $382.48
Q1 2021	16,178	$5,714	$351.26	$290.78 - $392.28
Q4 2020	18,493	$6,773	$308.64	$261.69 - $353.99
Q3 2020	17,214	$4,813	$250.15	$223.49 - $273.49
Q2 2020	12,455	$2,951	$194.18	$144.85 - $229.19
Q1 2020	10,527	$1,837	$163.85	$124.42 - $184.64
Q4 2019	96,496	$17,190	$152.39	$125.11 - $175.03
Q3 2019	103,985	$16,210	$142.31	$127.77 - $155.32
Q2 2019	142,355	$19,336	$129.05	$108.95 - $152.95
Q1 2019	144,616	$19,601	$124.16	$101.64 - $137.81
Q4 2018	148,064	$17,256	$112.91	$96.22 - $130.06
Q3 2018	134,771	$16,944	$131.20	$117.51 - $143.26
Q2 2018	191,934	$25,649	$119.62	$102.58 - $133.88
Q1 2018	187,430	$21,708	$111.03	$96.61 - $119.53
Q4 2017	207,024	$23,242	$108.54	$98.18 - $118.56
Q3 2017	194,848	$20,759	$94.77	$87.95 - $100.67
Q2 2017	192,910	$18,601	$88.76	$82.13 - $96.78
Q1 2017	166,308	$15,319	$82.35	$76.05 - $87.81
Q4 2016	142,991	$11,708	$74.44	$69.57 - $81.67
Q3 2016	116,941	$9,407	$68.33	$60.21 - $75.04
Q2 2016	96,156	$6,569	$60.38	$55.33 - $65.50
Q1 2016	89,727	$5,709	$54.76	$50.58 - $59.11
Q4 2015	85,317	$5,433	$56.88	$45.12 - $63.43
Q3 2015	75,119	$3,845	$45.23	$37.18 - $48.10
Q2 2015	48,356	$2,451	$48.11	$44.76 - $50.50
Q1 2015	43,541	$2,291	$45.64	$40.76 - $50.87
Q4 2014	43,644	$2,171	$40.54	$30.68 - $45.83
Q3 2014	37,890	$1,669	$39.57	$36.40 - $43.40
Q2 2014	44,791	$1,897	$34.76	$31.35 - $38.50
Q1 2014	41,727	$1,618	$31.60	$27.60 - $35.10