MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 104,246 Value ($000) $94,484 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 107,428 Value ($000) $98,902 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 117,094 Value ($000) $85,640 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 116,467 Value ($000) $67,548 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 107,774 Value ($000) $63,770 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 109,670 Value ($000) $101,390 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 114,833 Value ($000) $94,356 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 112,587 Value ($000) $76,269 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 110,334 Value ($000) $69,596 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 110,536 Value ($000) $51,068 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 107,201 Value ($000) $57,913 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 106,150 Value ($000) $53 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 100,920 Value ($000) $36 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 98,321 Value ($000) $35,730 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 96,543 Value ($000) $37,076 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 89,421 Value ($000) $43,430 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 91,439 Value ($000) $45,110 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 89,230 Value ($000) $43,248 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 81,799 Value ($000) $30,548 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 86,331 Value ($000) $30,493 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 130,031 Value ($000) $47,621 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 132,922 Value ($000) $37,166 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 145,133 Value ($000) $34,397 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 133,868 Value ($000) $22,418 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 140,606 Value ($000) $25,031 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 140,906 Value ($000) $21,929 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 141,126 Value ($000) $19,162 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 134,215 Value ($000) $18,185 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 112,647 Value ($000) $13,095 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 84,530 Value ($000) $10,611 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 86,964 Value ($000) $11,624 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 82,814 Value ($000) $9,587 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 87,437 Value ($000) $9,824 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 94,554 Value ($000) $10,075 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 83,247 Value ($000) $8,025 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 82,715 Value ($000) $7,618 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 80,221 Value ($000) $6,573 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 77,125 Value ($000) $6,209 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 54,559 Value ($000) $3,727 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 53,259 Value ($000) $3,389 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 53,414 Value ($000) $3,403 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 49,834 Value ($000) $2,552 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 48,038 Value ($000) $2,436 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 49,308 Value ($000) $2,596 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 43,683 Value ($000) $2,173 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 44,693 Value ($000) $1,969 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 44,293 Value ($000) $1,876 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 44,606 Value ($000) $1,729 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 46,066 Value ($000) $1,597 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 46,056 Value ($000) $1,395 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 46,708 Value ($000) $1,126 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	104,246	$94,484	$960.73	$831.77 - $1121.48
Q3 2025	107,428	$98,902	$808.07	$684.50 - $934.81
Q2 2025	117,094	$85,640	$633.58	$436.42 - $750.80
Q1 2025	116,467	$67,548	$624.99	$550.94 - $718.03
Q4 2024	107,774	$63,770	$716.72	$541.09 - $944.19
Q3 2024	109,670	$101,390	$853.35	$721.11 - $948.49
Q2 2024	114,833	$94,356	$712.18	$577.26 - $845.04
Q1 2024	112,587	$76,269	$657.62	$552.66 - $766.48
Q4 2023	110,334	$69,596	$513.84	$385.61 - $636.41
Q3 2023	110,536	$51,068	$501.94	$430.22 - $584.79
Q2 2023	107,201	$57,913	$465.29	$375.28 - $542.22
Q1 2023	106,150	$53	$449.31	$331.60 - $518.64
Q4 2022	100,920	$36	$350.38	$294.21 - $405.83
Q3 2022	98,321	$35,730	$432.95	$338.72 - $526.93
Q2 2022	96,543	$37,076	$410.37	$365.38 - $475.87
Q1 2022	89,421	$43,430	$422.77	$340.68 - $499.27
Q4 2021	91,439	$45,110	$500.08	$444.81 - $561.94
Q3 2021	89,230	$43,248	$440.15	$351.70 - $504.81
Q2 2021	81,799	$30,548	$340.03	$291.31 - $382.48
Q1 2021	86,331	$30,493	$351.26	$290.78 - $392.28
Q4 2020	130,031	$47,621	$308.64	$261.69 - $353.99
Q3 2020	132,922	$37,166	$250.15	$223.49 - $273.49
Q2 2020	145,133	$34,397	$194.18	$144.85 - $229.19
Q1 2020	133,868	$22,418	$163.85	$124.42 - $184.64
Q4 2019	140,606	$25,031	$152.39	$125.11 - $175.03
Q3 2019	140,906	$21,929	$142.31	$127.77 - $155.32
Q2 2019	141,126	$19,162	$129.05	$108.95 - $152.95
Q1 2019	134,215	$18,185	$124.16	$101.64 - $137.81
Q4 2018	112,647	$13,095	$112.91	$96.22 - $130.06
Q3 2018	84,530	$10,611	$131.20	$117.51 - $143.26
Q2 2018	86,964	$11,624	$119.62	$102.58 - $133.88
Q1 2018	82,814	$9,587	$111.03	$96.61 - $119.53
Q4 2017	87,437	$9,824	$108.54	$98.18 - $118.56
Q3 2017	94,554	$10,075	$94.77	$87.95 - $100.67
Q2 2017	83,247	$8,025	$88.76	$82.13 - $96.78
Q1 2017	82,715	$7,618	$82.35	$76.05 - $87.81
Q4 2016	80,221	$6,573	$74.44	$69.57 - $81.67
Q3 2016	77,125	$6,209	$68.33	$60.21 - $75.04
Q2 2016	54,559	$3,727	$60.38	$55.33 - $65.50
Q1 2016	53,259	$3,389	$54.76	$50.58 - $59.11
Q4 2015	53,414	$3,403	$56.88	$45.12 - $63.43
Q3 2015	49,834	$2,552	$45.23	$37.18 - $48.10
Q2 2015	48,038	$2,436	$48.11	$44.76 - $50.50
Q1 2015	49,308	$2,596	$45.64	$40.76 - $50.87
Q4 2014	43,683	$2,173	$40.54	$30.68 - $45.83
Q3 2014	44,693	$1,969	$39.57	$36.40 - $43.40
Q2 2014	44,293	$1,876	$34.76	$31.35 - $38.50
Q1 2014	44,606	$1,729	$31.60	$27.60 - $35.10
Q4 2013	46,066	$1,597	$28.65	$24.43 - $31.16
Q3 2013	46,056	$1,395	$25.18	$21.26 - $28.18
Q2 2013	46,708	$1,126	$21.28	$18.50 - $22.86