GENTEX CORP

Ticker: GNTX CUSIP: 371901109 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 51,740 Value ($000) $1,204 Avg Close $24.11 Range $21.69 - $28.37

Q3 2025

Shares 52,240 Value ($000) $1,478 Avg Close $26.57 Range $21.81 - $29.38

Q2 2025

Shares 54,040 Value ($000) $1,188 Avg Close $21.86 Range $20.28 - $23.86

Q1 2025

Shares 54,440 Value ($000) $1,268 Avg Close $25.57 Range $22.87 - $28.88

Q4 2024

Shares 53,840 Value ($000) $1,547 Avg Close $29.93 Range $28.38 - $31.48

Q3 2024

Shares 54,640 Value ($000) $1,622 Avg Close $31.06 Range $28.30 - $35.32

Q2 2024

Shares 55,740 Value ($000) $1,879 Avg Close $34.53 Range $33.23 - $36.46

Q1 2024

Shares 57,240 Value ($000) $2,068 Avg Close $34.59 Range $30.76 - $37.58

Q4 2023

Shares 55,940 Value ($000) $1,827 Avg Close $30.89 Range $27.86 - $33.03

Q3 2023

Shares 55,840 Value ($000) $1,817 Avg Close $32.06 Range $28.59 - $34.33

Q2 2023

Shares 57,540 Value ($000) $1,684 Avg Close $27.56 Range $25.85 - $29.49

Q1 2023

Shares 59,240 Value ($000) $1,660 Avg Close $28.18 Range $25.77 - $30.41

Q4 2022

Shares 59,740 Value ($000) $1,629 Avg Close $26.68 Range $23.28 - $29.63

Q3 2022

Shares 59,240 Value ($000) $1,412 Avg Close $27.45 Range $23.70 - $29.69

Q2 2022

Shares 59,640 Value ($000) $1,668 Avg Close $29.10 Range $26.16 - $31.48

Q1 2022

Shares 60,040 Value ($000) $1,751 Avg Close $31.10 Range $27.41 - $36.65

Q4 2021

Shares 59,896 Value ($000) $2,087 Avg Close $35.48 Range $32.68 - $37.90

Q3 2021

Shares 59,896 Value ($000) $1,975 Avg Close $32.29 Range $30.40 - $34.43

Q2 2021

Shares 60,896 Value ($000) $2,015 Avg Close $34.68 Range $31.66 - $36.65

Q1 2021

Shares 90,196 Value ($000) $3,217 Avg Close $35.52 Range $32.00 - $37.75

Q4 2020

Shares 89,296 Value ($000) $3,030 Avg Close $30.84 Range $25.62 - $34.30

Q3 2020

Shares 89,496 Value ($000) $2,305 Avg Close $26.57 Range $24.70 - $28.34

Q2 2020

Shares 89,096 Value ($000) $2,296 Avg Close $25.06 Range $20.39 - $28.14

Q1 2020

Shares 999,700 Value ($000) $22,153 Avg Close $27.77 Range $19.48 - $31.27

Q4 2019

Shares 1,004,000 Value ($000) $29,096 Avg Close $28.16 Range $25.50 - $29.74

Q3 2019

Shares 73,900 Value ($000) $2,035 Avg Close $26.43 Range $23.21 - $28.43

Q2 2019

Shares 75,700 Value ($000) $1,863 Avg Close $22.65 Range $20.61 - $25.00

Q1 2019

Shares 92,400 Value ($000) $1,911 Avg Close $20.90 Range $19.55 - $23.15

Q4 2018

Shares 93,400 Value ($000) $1,888 Avg Close $20.95 Range $17.80 - $23.05

Q3 2018

Shares 99,500 Value ($000) $2,135 Avg Close $23.14 Range $21.11 - $24.94

Q2 2018

Shares 100,900 Value ($000) $2,323 Avg Close $23.73 Range $21.82 - $25.41

Q1 2018

Shares 100,000 Value ($000) $2,302 Avg Close $22.76 Range $20.78 - $24.07

Q4 2017

Shares 102,000 Value ($000) $2,137 Avg Close $19.89 Range $18.51 - $21.16

Q3 2017

Shares 107,400 Value ($000) $2,127 Avg Close $18.18 Range $16.59 - $19.98

Q2 2017

Shares 118,400 Value ($000) $2,246 Avg Close $19.49 Range $18.06 - $21.49

Q1 2017

Shares 116,700 Value ($000) $2,489 Avg Close $20.99 Range $19.76 - $22.12

Q4 2016

Shares 200,400 Value ($000) $3,946 Avg Close $18.20 Range $16.06 - $20.39

Q3 2016

Shares 171,900 Value ($000) $3,019 Avg Close $17.28 Range $14.66 - $18.30

Q2 2016

Shares 115,900 Value ($000) $1,791 Avg Close $15.89 Range $14.69 - $16.60

Q1 2016

Shares 115,300 Value ($000) $1,809 Avg Close $14.56 Range $12.93 - $15.90

Q4 2015

Shares 115,300 Value ($000) $1,846 Avg Close $16.16 Range $15.29 - $16.91

Q3 2015

Shares 133,400 Value ($000) $2,068 Avg Close $15.89 Range $13.84 - $16.80

Q2 2015

Shares 134,000 Value ($000) $2,200 Avg Close $17.48 Range $16.34 - $18.55

Q1 2015

Shares 133,800 Value ($000) $2,449 Avg Close $17.65 Range $15.83 - $18.80

Q4 2014

Shares 69,700 Value ($000) $2,518 Avg Close $16.61 Range $13.16 - $19.06

Q3 2014

Shares 69,400 Value ($000) $1,858 Avg Close $14.54 Range $13.33 - $15.15

Q2 2014

Shares 68,800 Value ($000) $2,001 Avg Close $14.60 Range $13.90 - $15.88

Q1 2014

Shares 68,600 Value ($000) $2,163 Avg Close $15.95 Range $14.79 - $17.20

Q4 2013

Shares 67,800 Value ($000) $2,237 Avg Close $14.65 Range $12.31 - $17.07

Q3 2013

Shares 67,200 Value ($000) $1,720 Avg Close $11.86 Range $10.64 - $13.13

Q2 2013

Shares 66,100 Value ($000) $1,524 Avg Close $11.27 Range $9.51 - $12.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,740	$1,204	$24.11	$21.69 - $28.37
Q3 2025	52,240	$1,478	$26.57	$21.81 - $29.38
Q2 2025	54,040	$1,188	$21.86	$20.28 - $23.86
Q1 2025	54,440	$1,268	$25.57	$22.87 - $28.88
Q4 2024	53,840	$1,547	$29.93	$28.38 - $31.48
Q3 2024	54,640	$1,622	$31.06	$28.30 - $35.32
Q2 2024	55,740	$1,879	$34.53	$33.23 - $36.46
Q1 2024	57,240	$2,068	$34.59	$30.76 - $37.58
Q4 2023	55,940	$1,827	$30.89	$27.86 - $33.03
Q3 2023	55,840	$1,817	$32.06	$28.59 - $34.33
Q2 2023	57,540	$1,684	$27.56	$25.85 - $29.49
Q1 2023	59,240	$1,660	$28.18	$25.77 - $30.41
Q4 2022	59,740	$1,629	$26.68	$23.28 - $29.63
Q3 2022	59,240	$1,412	$27.45	$23.70 - $29.69
Q2 2022	59,640	$1,668	$29.10	$26.16 - $31.48
Q1 2022	60,040	$1,751	$31.10	$27.41 - $36.65
Q4 2021	59,896	$2,087	$35.48	$32.68 - $37.90
Q3 2021	59,896	$1,975	$32.29	$30.40 - $34.43
Q2 2021	60,896	$2,015	$34.68	$31.66 - $36.65
Q1 2021	90,196	$3,217	$35.52	$32.00 - $37.75
Q4 2020	89,296	$3,030	$30.84	$25.62 - $34.30
Q3 2020	89,496	$2,305	$26.57	$24.70 - $28.34
Q2 2020	89,096	$2,296	$25.06	$20.39 - $28.14
Q1 2020	999,700	$22,153	$27.77	$19.48 - $31.27
Q4 2019	1,004,000	$29,096	$28.16	$25.50 - $29.74
Q3 2019	73,900	$2,035	$26.43	$23.21 - $28.43
Q2 2019	75,700	$1,863	$22.65	$20.61 - $25.00
Q1 2019	92,400	$1,911	$20.90	$19.55 - $23.15
Q4 2018	93,400	$1,888	$20.95	$17.80 - $23.05
Q3 2018	99,500	$2,135	$23.14	$21.11 - $24.94
Q2 2018	100,900	$2,323	$23.73	$21.82 - $25.41
Q1 2018	100,000	$2,302	$22.76	$20.78 - $24.07
Q4 2017	102,000	$2,137	$19.89	$18.51 - $21.16
Q3 2017	107,400	$2,127	$18.18	$16.59 - $19.98
Q2 2017	118,400	$2,246	$19.49	$18.06 - $21.49
Q1 2017	116,700	$2,489	$20.99	$19.76 - $22.12
Q4 2016	200,400	$3,946	$18.20	$16.06 - $20.39
Q3 2016	171,900	$3,019	$17.28	$14.66 - $18.30
Q2 2016	115,900	$1,791	$15.89	$14.69 - $16.60
Q1 2016	115,300	$1,809	$14.56	$12.93 - $15.90
Q4 2015	115,300	$1,846	$16.16	$15.29 - $16.91
Q3 2015	133,400	$2,068	$15.89	$13.84 - $16.80
Q2 2015	134,000	$2,200	$17.48	$16.34 - $18.55
Q1 2015	133,800	$2,449	$17.65	$15.83 - $18.80
Q4 2014	69,700	$2,518	$16.61	$13.16 - $19.06
Q3 2014	69,400	$1,858	$14.54	$13.33 - $15.15
Q2 2014	68,800	$2,001	$14.60	$13.90 - $15.88
Q1 2014	68,600	$2,163	$15.95	$14.79 - $17.20
Q4 2013	67,800	$2,237	$14.65	$12.31 - $17.07
Q3 2013	67,200	$1,720	$11.86	$10.64 - $13.13
Q2 2013	66,100	$1,524	$11.27	$9.51 - $12.70