MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000922127)

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

Q4 2025

Shares 6,983 Value ($000) $6,329 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 6,074 Value ($000) $5,592 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 6,028 Value ($000) $4,409 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 6,100 Value ($000) $3,538 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 6,426 Value ($000) $3,802 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 6,639 Value ($000) $6,138 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 6,793 Value ($000) $5,582 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 6,952 Value ($000) $4,709 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 7,750 Value ($000) $4,889 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 8,175 Value ($000) $3,776 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 7,973 Value ($000) $4,307 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 7,853 Value ($000) $3,931 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 7,821 Value ($000) $2,766 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 7,672 Value ($000) $2,788 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 7,497 Value ($000) $2,879 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 7,303 Value ($000) $3,547 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 7,242 Value ($000) $3,573 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 7,182 Value ($000) $3,481 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 7,130 Value ($000) $2,663 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 7,128 Value ($000) $2,518 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 40,937 Value ($000) $14,992 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 41,634 Value ($000) $11,641 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 40,890 Value ($000) $9,691 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 39,392 Value ($000) $6,597 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 37,985 Value ($000) $6,762 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 37,933 Value ($000) $5,904 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 37,134 Value ($000) $5,041 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 34,758 Value ($000) $4,709 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 34,465 Value ($000) $4,007 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 33,366 Value ($000) $4,188 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 33,276 Value ($000) $4,448 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 68,845 Value ($000) $7,970 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 67,823 Value ($000) $7,621 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 67,470 Value ($000) $7,189 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 77,548 Value ($000) $7,476 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 86,774 Value ($000) $7,992 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 86,687 Value ($000) $7,102 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 95,589 Value ($000) $7,695 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 67,071 Value ($000) $4,582 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 74,771 Value ($000) $4,758 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 83,571 Value ($000) $5,324 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 99,172 Value ($000) $5,078 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 99,172 Value ($000) $5,029 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 83,172 Value ($000) $4,379 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 85,574 Value ($000) $4,256 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 142,969 Value ($000) $6,298 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 195,610 Value ($000) $8,284 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 202,824 Value ($000) $7,863 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 231,254 Value ($000) $8,015 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 252,273 Value ($000) $7,639 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 193,575 Value ($000) $4,667 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,983	$6,329	$960.73	$831.77 - $1121.48
Q3 2025	6,074	$5,592	$808.07	$684.50 - $934.81
Q2 2025	6,028	$4,409	$633.58	$436.42 - $750.80
Q1 2025	6,100	$3,538	$624.99	$550.94 - $718.03
Q4 2024	6,426	$3,802	$716.72	$541.09 - $944.19
Q3 2024	6,639	$6,138	$853.35	$721.11 - $948.49
Q2 2024	6,793	$5,582	$712.18	$577.26 - $845.04
Q1 2024	6,952	$4,709	$657.62	$552.66 - $766.48
Q4 2023	7,750	$4,889	$513.84	$385.61 - $636.41
Q3 2023	8,175	$3,776	$501.94	$430.22 - $584.79
Q2 2023	7,973	$4,307	$465.29	$375.28 - $542.22
Q1 2023	7,853	$3,931	$449.31	$331.60 - $518.64
Q4 2022	7,821	$2,766	$350.38	$294.21 - $405.83
Q3 2022	7,672	$2,788	$432.95	$338.72 - $526.93
Q2 2022	7,497	$2,879	$410.37	$365.38 - $475.87
Q1 2022	7,303	$3,547	$422.77	$340.68 - $499.27
Q4 2021	7,242	$3,573	$500.08	$444.81 - $561.94
Q3 2021	7,182	$3,481	$440.15	$351.70 - $504.81
Q2 2021	7,130	$2,663	$340.03	$291.31 - $382.48
Q1 2021	7,128	$2,518	$351.26	$290.78 - $392.28
Q4 2020	40,937	$14,992	$308.64	$261.69 - $353.99
Q3 2020	41,634	$11,641	$250.15	$223.49 - $273.49
Q2 2020	40,890	$9,691	$194.18	$144.85 - $229.19
Q1 2020	39,392	$6,597	$163.85	$124.42 - $184.64
Q4 2019	37,985	$6,762	$152.39	$125.11 - $175.03
Q3 2019	37,933	$5,904	$142.31	$127.77 - $155.32
Q2 2019	37,134	$5,041	$129.05	$108.95 - $152.95
Q1 2019	34,758	$4,709	$124.16	$101.64 - $137.81
Q4 2018	34,465	$4,007	$112.91	$96.22 - $130.06
Q3 2018	33,366	$4,188	$131.20	$117.51 - $143.26
Q2 2018	33,276	$4,448	$119.62	$102.58 - $133.88
Q1 2018	68,845	$7,970	$111.03	$96.61 - $119.53
Q4 2017	67,823	$7,621	$108.54	$98.18 - $118.56
Q3 2017	67,470	$7,189	$94.77	$87.95 - $100.67
Q2 2017	77,548	$7,476	$88.76	$82.13 - $96.78
Q1 2017	86,774	$7,992	$82.35	$76.05 - $87.81
Q4 2016	86,687	$7,102	$74.44	$69.57 - $81.67
Q3 2016	95,589	$7,695	$68.33	$60.21 - $75.04
Q2 2016	67,071	$4,582	$60.38	$55.33 - $65.50
Q1 2016	74,771	$4,758	$54.76	$50.58 - $59.11
Q4 2015	83,571	$5,324	$56.88	$45.12 - $63.43
Q3 2015	99,172	$5,078	$45.23	$37.18 - $48.10
Q2 2015	99,172	$5,029	$48.11	$44.76 - $50.50
Q1 2015	83,172	$4,379	$45.64	$40.76 - $50.87
Q4 2014	85,574	$4,256	$40.54	$30.68 - $45.83
Q3 2014	142,969	$6,298	$39.57	$36.40 - $43.40
Q2 2014	195,610	$8,284	$34.76	$31.35 - $38.50
Q1 2014	202,824	$7,863	$31.60	$27.60 - $35.10
Q4 2013	231,254	$8,015	$28.65	$24.43 - $31.16
Q3 2013	252,273	$7,639	$25.18	$21.26 - $28.18
Q2 2013	193,575	$4,667	$21.28	$18.50 - $22.86