CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 433,640 Value ($000) $37,970 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 436,992 Value ($000) $35,846 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 538,177 Value ($000) $28,303 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 509,810 Value ($000) $23,339 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 516,755 Value ($000) $24,556 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 536,573 Value ($000) $24,226 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 572,493 Value ($000) $22,241 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 494,655 Value ($000) $16,304 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 477,752 Value ($000) $14,548 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 429,724 Value ($000) $13,094 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 466,019 Value ($000) $16,329 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 429,924 Value ($000) $15,168 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 324,338 Value ($000) $10,359 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 262,835 Value ($000) $7,627 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 351,521 Value ($000) $11,076 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 408,314 Value ($000) $15,071 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 420,942 Value ($000) $15,672 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 427,840 Value ($000) $15,612 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 502,862 Value ($000) $20,567 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 1,359,596 Value ($000) $59,156 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 1,005,553 Value ($000) $36,200 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 1,143,832 Value ($000) $37,072 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 1,151,881 Value ($000) $29,834 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 371,213 Value ($000) $7,625 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 524,143 Value ($000) $15,258 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 525,525 Value ($000) $14,988 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 438,939 Value ($000) $14,586 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 661,710 Value ($000) $21,903 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 861,919 Value ($000) $26,039 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 910,039 Value ($000) $32,124 Avg Close $26.48 Range $22.14 - $29.90

Q2 2018

Shares 992,801 Value ($000) $27,312 Avg Close $22.38 Range $21.10 - $23.67

Q1 2018

Shares 1,046,273 Value ($000) $29,170 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 1,076,076 Value ($000) $34,424 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 939,969 Value ($000) $28,124 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 1,063,517 Value ($000) $31,959 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 970,330 Value ($000) $26,199 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 1,452,599 Value ($000) $35,255 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 1,723,921 Value ($000) $40,771 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 2,318,311 Value ($000) $47,479 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 2,129,741 Value ($000) $44,490 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 1,128,261 Value ($000) $20,625 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 1,573,261 Value ($000) $26,934 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 1,749,564 Value ($000) $34,519 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 2,061,961 Value ($000) $46,765 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 2,089,161 Value ($000) $47,904 Avg Close $15.20 Range $12.68 - $17.59

Q3 2014

Shares 1,920,911 Value ($000) $37,150 Avg Close $15.47 Range $14.31 - $16.57

Q2 2014

Shares 1,914,431 Value ($000) $42,022 Avg Close $15.67 Range $14.87 - $16.45

Q1 2014

Shares 2,207,064 Value ($000) $45,951 Avg Close $13.82 Range $12.14 - $15.48

Q4 2013

Shares 2,447,984 Value ($000) $43,623 Avg Close $12.05 Range $10.08 - $13.18

Q3 2013

Shares 2,463,964 Value ($000) $35,949 Avg Close $10.75 Range $10.09 - $11.23

Q2 2013

Shares 2,548,044 Value ($000) $36,259 Avg Close $10.49 Range $9.09 - $11.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	433,640	$37,970	$85.98	$77.39 - $96.64
Q3 2025	436,992	$35,846	$64.97	$50.94 - $81.93
Q2 2025	538,177	$28,303	$46.30	$36.82 - $52.47
Q1 2025	509,810	$23,339	$48.55	$43.53 - $54.30
Q4 2024	516,755	$24,556	$46.35	$42.94 - $49.78
Q3 2024	536,573	$24,226	$40.86	$36.03 - $44.95
Q2 2024	572,493	$22,241	$33.68	$29.54 - $39.21
Q1 2024	494,655	$16,304	$30.45	$28.32 - $32.29
Q4 2023	477,752	$14,548	$27.12	$23.85 - $29.36
Q3 2023	429,724	$13,094	$30.70	$28.22 - $33.67
Q2 2023	466,019	$16,329	$30.60	$28.39 - $33.72
Q1 2023	429,924	$15,168	$32.11	$29.39 - $34.14
Q4 2022	324,338	$10,359	$29.73	$26.59 - $31.97
Q3 2022	262,835	$7,627	$30.75	$26.45 - $34.17
Q2 2022	351,521	$11,076	$31.05	$28.04 - $33.53
Q1 2022	408,314	$15,071	$34.93	$30.29 - $38.80
Q4 2021	420,942	$15,672	$33.34	$31.26 - $35.25
Q3 2021	427,840	$15,612	$35.29	$32.36 - $37.53
Q2 2021	502,862	$20,567	$38.31	$33.97 - $41.06
Q1 2021	1,359,596	$59,156	$33.60	$30.34 - $38.69
Q4 2020	1,005,553	$36,200	$30.87	$27.10 - $33.50
Q3 2020	1,143,832	$37,072	$26.66	$22.06 - $29.33
Q2 2020	1,151,881	$29,834	$19.40	$15.19 - $24.47
Q1 2020	371,213	$7,625	$22.10	$14.86 - $25.72
Q4 2019	524,143	$15,258	$24.43	$22.45 - $26.10
Q3 2019	525,525	$14,988	$24.98	$22.31 - $28.54
Q2 2019	438,939	$14,586	$26.62	$23.82 - $29.24
Q1 2019	661,710	$21,903	$27.05	$23.03 - $29.16
Q4 2018	861,919	$26,039	$26.17	$22.76 - $29.38
Q3 2018	910,039	$32,124	$26.48	$22.14 - $29.90
Q2 2018	992,801	$27,312	$22.38	$21.10 - $23.67
Q1 2018	1,046,273	$29,170	$24.81	$21.97 - $28.19
Q4 2017	1,076,076	$34,424	$25.23	$23.59 - $26.36
Q3 2017	939,969	$28,124	$23.59	$22.03 - $25.57
Q2 2017	1,063,517	$31,959	$22.77	$20.81 - $24.32
Q1 2017	970,330	$26,199	$20.97	$18.97 - $22.43
Q4 2016	1,452,599	$35,255	$18.64	$17.38 - $19.93
Q3 2016	1,723,921	$40,771	$17.37	$15.37 - $18.61
Q2 2016	2,318,311	$47,479	$15.51	$14.06 - $16.55
Q1 2016	2,129,741	$44,490	$14.25	$12.36 - $16.26
Q4 2015	1,128,261	$20,625	$13.86	$12.46 - $14.78
Q3 2015	1,573,261	$26,934	$13.63	$11.66 - $15.13
Q2 2015	1,749,564	$34,519	$16.12	$14.79 - $17.27
Q1 2015	2,061,961	$46,765	$17.82	$16.37 - $18.82
Q4 2014	2,089,161	$47,904	$15.20	$12.68 - $17.59
Q3 2014	1,920,911	$37,150	$15.47	$14.31 - $16.57
Q2 2014	1,914,431	$42,022	$15.67	$14.87 - $16.45
Q1 2014	2,207,064	$45,951	$13.82	$12.14 - $15.48
Q4 2013	2,447,984	$43,623	$12.05	$10.08 - $13.18
Q3 2013	2,463,964	$35,949	$10.75	$10.09 - $11.23
Q2 2013	2,548,044	$36,259	$10.49	$9.09 - $11.82