MONOLITHIC PWR SYS INC

Ticker: MPWR CUSIP: 609839105 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025

Shares 39,794 Value ($000) $36 Avg Close $960.73 Range $831.77 - $1121.48

Q3 2025

Shares 40,001 Value ($000) $37 Avg Close $808.07 Range $684.50 - $934.81

Q2 2025

Shares 39,705 Value ($000) $29 Avg Close $633.58 Range $436.42 - $750.80

Q1 2025

Shares 37,962 Value ($000) $22 Avg Close $624.99 Range $550.94 - $718.03

Q4 2024

Shares 41,508 Value ($000) $25 Avg Close $716.72 Range $541.09 - $944.19

Q3 2024

Shares 42,163 Value ($000) $39 Avg Close $853.35 Range $721.11 - $948.49

Q2 2024

Shares 41,951 Value ($000) $34 Avg Close $712.18 Range $577.26 - $845.04

Q1 2024

Shares 42,094 Value ($000) $29 Avg Close $657.62 Range $552.66 - $766.48

Q4 2023

Shares 41,946 Value ($000) $26 Avg Close $513.84 Range $385.61 - $636.41

Q3 2023

Shares 41,942 Value ($000) $19 Avg Close $501.94 Range $430.22 - $584.79

Q2 2023

Shares 42,186 Value ($000) $23 Avg Close $465.29 Range $375.28 - $542.22

Q1 2023

Shares 42,743 Value ($000) $21 Avg Close $449.31 Range $331.60 - $518.64

Q4 2022

Shares 42,792 Value ($000) $15 Avg Close $350.38 Range $294.21 - $405.83

Q3 2022

Shares 42,870 Value ($000) $15,579 Avg Close $432.95 Range $338.72 - $526.93

Q2 2022

Shares 42,830 Value ($000) $16,448 Avg Close $410.37 Range $365.38 - $475.87

Q1 2022

Shares 39,195 Value ($000) $19,036 Avg Close $422.77 Range $340.68 - $499.27

Q4 2021

Shares 39,395 Value ($000) $19,435 Avg Close $500.08 Range $444.81 - $561.94

Q3 2021

Shares 39,139 Value ($000) $18,970 Avg Close $440.15 Range $351.70 - $504.81

Q2 2021

Shares 39,317 Value ($000) $14,683 Avg Close $340.03 Range $291.31 - $382.48

Q1 2021

Shares 39,309 Value ($000) $13,884 Avg Close $351.26 Range $290.78 - $392.28

Q4 2020

Shares 32,150 Value ($000) $11,774 Avg Close $308.64 Range $261.69 - $353.99

Q3 2020

Shares 32,050 Value ($000) $8,962 Avg Close $250.15 Range $223.49 - $273.49

Q2 2020

Shares 23,050 Value ($000) $5,463 Avg Close $194.18 Range $144.85 - $229.19

Q1 2020

Shares 20,150 Value ($000) $3,374 Avg Close $163.85 Range $124.42 - $184.64

Q4 2019

Shares 20,150 Value ($000) $3,587 Avg Close $152.39 Range $125.11 - $175.03

Q3 2019

Shares 19,900 Value ($000) $3,097 Avg Close $142.31 Range $127.77 - $155.32

Q2 2019

Shares 19,900 Value ($000) $2,702 Avg Close $129.05 Range $108.95 - $152.95

Q1 2019

Shares 19,900 Value ($000) $2,696 Avg Close $124.16 Range $101.64 - $137.81

Q4 2018

Shares 19,900 Value ($000) $2,313 Avg Close $112.91 Range $96.22 - $130.06

Q3 2018

Shares 19,900 Value ($000) $2,498 Avg Close $131.20 Range $117.51 - $143.26

Q2 2018

Shares 19,900 Value ($000) $2,660 Avg Close $119.62 Range $102.58 - $133.88

Q1 2018

Shares 19,900 Value ($000) $2,304 Avg Close $111.03 Range $96.61 - $119.53

Q4 2017

Shares 19,900 Value ($000) $2,236 Avg Close $108.54 Range $98.18 - $118.56

Q3 2017

Shares 19,900 Value ($000) $2,120 Avg Close $94.77 Range $87.95 - $100.67

Q2 2017

Shares 19,900 Value ($000) $1,918 Avg Close $88.76 Range $82.13 - $96.78

Q1 2017

Shares 19,900 Value ($000) $1,833 Avg Close $82.35 Range $76.05 - $87.81

Q4 2016

Shares 19,900 Value ($000) $1,630 Avg Close $74.44 Range $69.57 - $81.67

Q3 2016

Shares 19,900 Value ($000) $1,602 Avg Close $68.33 Range $60.21 - $75.04

Q2 2016

Shares 35,459 Value ($000) $2,423 Avg Close $60.38 Range $55.33 - $65.50

Q1 2016

Shares 35,459 Value ($000) $2,257 Avg Close $54.76 Range $50.58 - $59.11

Q4 2015

Shares 35,459 Value ($000) $2,259 Avg Close $56.88 Range $45.12 - $63.43

Q3 2015

Shares 35,459 Value ($000) $1,816 Avg Close $45.23 Range $37.18 - $48.10

Q2 2015

Shares 35,306 Value ($000) $1,790 Avg Close $48.11 Range $44.76 - $50.50

Q1 2015

Shares 35,306 Value ($000) $1,859 Avg Close $45.64 Range $40.76 - $50.87

Q4 2014

Shares 35,306 Value ($000) $1,756 Avg Close $40.54 Range $30.68 - $45.83

Q3 2014

Shares 35,306 Value ($000) $1,555 Avg Close $39.57 Range $36.40 - $43.40

Q2 2014

Shares 35,306 Value ($000) $1,495 Avg Close $34.76 Range $31.35 - $38.50

Q1 2014

Shares 35,306 Value ($000) $1,369 Avg Close $31.60 Range $27.60 - $35.10

Q4 2013

Shares 41,306 Value ($000) $1,432 Avg Close $28.65 Range $24.43 - $31.16

Q3 2013

Shares 42,606 Value ($000) $1,290 Avg Close $25.18 Range $21.26 - $28.18

Q2 2013

Shares 44,006 Value ($000) $1,061 Avg Close $21.28 Range $18.50 - $22.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,794	$36	$960.73	$831.77 - $1121.48
Q3 2025	40,001	$37	$808.07	$684.50 - $934.81
Q2 2025	39,705	$29	$633.58	$436.42 - $750.80
Q1 2025	37,962	$22	$624.99	$550.94 - $718.03
Q4 2024	41,508	$25	$716.72	$541.09 - $944.19
Q3 2024	42,163	$39	$853.35	$721.11 - $948.49
Q2 2024	41,951	$34	$712.18	$577.26 - $845.04
Q1 2024	42,094	$29	$657.62	$552.66 - $766.48
Q4 2023	41,946	$26	$513.84	$385.61 - $636.41
Q3 2023	41,942	$19	$501.94	$430.22 - $584.79
Q2 2023	42,186	$23	$465.29	$375.28 - $542.22
Q1 2023	42,743	$21	$449.31	$331.60 - $518.64
Q4 2022	42,792	$15	$350.38	$294.21 - $405.83
Q3 2022	42,870	$15,579	$432.95	$338.72 - $526.93
Q2 2022	42,830	$16,448	$410.37	$365.38 - $475.87
Q1 2022	39,195	$19,036	$422.77	$340.68 - $499.27
Q4 2021	39,395	$19,435	$500.08	$444.81 - $561.94
Q3 2021	39,139	$18,970	$440.15	$351.70 - $504.81
Q2 2021	39,317	$14,683	$340.03	$291.31 - $382.48
Q1 2021	39,309	$13,884	$351.26	$290.78 - $392.28
Q4 2020	32,150	$11,774	$308.64	$261.69 - $353.99
Q3 2020	32,050	$8,962	$250.15	$223.49 - $273.49
Q2 2020	23,050	$5,463	$194.18	$144.85 - $229.19
Q1 2020	20,150	$3,374	$163.85	$124.42 - $184.64
Q4 2019	20,150	$3,587	$152.39	$125.11 - $175.03
Q3 2019	19,900	$3,097	$142.31	$127.77 - $155.32
Q2 2019	19,900	$2,702	$129.05	$108.95 - $152.95
Q1 2019	19,900	$2,696	$124.16	$101.64 - $137.81
Q4 2018	19,900	$2,313	$112.91	$96.22 - $130.06
Q3 2018	19,900	$2,498	$131.20	$117.51 - $143.26
Q2 2018	19,900	$2,660	$119.62	$102.58 - $133.88
Q1 2018	19,900	$2,304	$111.03	$96.61 - $119.53
Q4 2017	19,900	$2,236	$108.54	$98.18 - $118.56
Q3 2017	19,900	$2,120	$94.77	$87.95 - $100.67
Q2 2017	19,900	$1,918	$88.76	$82.13 - $96.78
Q1 2017	19,900	$1,833	$82.35	$76.05 - $87.81
Q4 2016	19,900	$1,630	$74.44	$69.57 - $81.67
Q3 2016	19,900	$1,602	$68.33	$60.21 - $75.04
Q2 2016	35,459	$2,423	$60.38	$55.33 - $65.50
Q1 2016	35,459	$2,257	$54.76	$50.58 - $59.11
Q4 2015	35,459	$2,259	$56.88	$45.12 - $63.43
Q3 2015	35,459	$1,816	$45.23	$37.18 - $48.10
Q2 2015	35,306	$1,790	$48.11	$44.76 - $50.50
Q1 2015	35,306	$1,859	$45.64	$40.76 - $50.87
Q4 2014	35,306	$1,756	$40.54	$30.68 - $45.83
Q3 2014	35,306	$1,555	$39.57	$36.40 - $43.40
Q2 2014	35,306	$1,495	$34.76	$31.35 - $38.50
Q1 2014	35,306	$1,369	$31.60	$27.60 - $35.10
Q4 2013	41,306	$1,432	$28.65	$24.43 - $31.16
Q3 2013	42,606	$1,290	$25.18	$21.26 - $28.18
Q2 2013	44,006	$1,061	$21.28	$18.50 - $22.86