CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2025

Shares 12,572,185 Value ($000) $1,100,821 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 16,557,489 Value ($000) $1,358,211 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 12,708,949 Value ($000) $668,364 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 18,478,816 Value ($000) $845,960 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 28,646,175 Value ($000) $1,361,266 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 39,225,452 Value ($000) $1,771,029 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 39,092,238 Value ($000) $1,518,733 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 29,971,489 Value ($000) $987,860 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 31,312,779 Value ($000) $953,474 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 28,714,901 Value ($000) $874,943 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 26,659,513 Value ($000) $934,149 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 33,558,165 Value ($000) $1,183,932 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 34,942,667 Value ($000) $1,116,069 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 34,450,406 Value ($000) $999,751 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 33,423,553 Value ($000) $1,053,176 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 33,360,127 Value ($000) $1,231,322 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 37,273,654 Value ($000) $1,387,699 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 38,441,652 Value ($000) $1,402,735 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 47,196,726 Value ($000) $1,930,346 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 57,101,205 Value ($000) $2,484,473 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 49,637,646 Value ($000) $1,786,955 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 53,144,263 Value ($000) $1,722,408 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 52,993,214 Value ($000) $1,372,525 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 43,344,435 Value ($000) $890,295 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 24,153,919 Value ($000) $703,121 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 17,172,862 Value ($000) $489,770 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 158,016 Value ($000) $5,251 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 86,774 Value ($000) $2,872 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 329,935 Value ($000) $9,967 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 132,377 Value ($000) $4,673 Avg Close $26.48 Range $22.14 - $29.90

Q1 2018

Shares 161,491 Value ($000) $4,503 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 175,860 Value ($000) $5,626 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 180,802 Value ($000) $5,410 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 165,052 Value ($000) $4,960 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 176,446 Value ($000) $4,764 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 186,317 Value ($000) $4,522 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 140,003 Value ($000) $3,311 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 159,265 Value ($000) $3,261 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 197,812 Value ($000) $4,132 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 157,153 Value ($000) $2,873 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 164,440 Value ($000) $2,815 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 173,070 Value ($000) $3,415 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 157,985 Value ($000) $3,583 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 170,465 Value ($000) $3,909 Avg Close $15.20 Range $12.68 - $17.59

Q3 2014

Shares 144,846 Value ($000) $2,801 Avg Close $15.47 Range $14.31 - $16.57

Q2 2014

Shares 143,422 Value ($000) $3,148 Avg Close $15.67 Range $14.87 - $16.45

Q1 2014

Shares 148,760 Value ($000) $3,097 Avg Close $13.82 Range $12.14 - $15.48

Q4 2013

Shares 92,156 Value ($000) $1,643 Avg Close $12.05 Range $10.08 - $13.18

Q3 2013

Shares 6,662,067 Value ($000) $97,200 Avg Close $10.75 Range $10.09 - $11.23

Q2 2013

Shares 7,381,096 Value ($000) $105,033 Avg Close $10.49 Range $9.09 - $11.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,572,185	$1,100,821	$85.98	$77.39 - $96.64
Q3 2025	16,557,489	$1,358,211	$64.97	$50.94 - $81.93
Q2 2025	12,708,949	$668,364	$46.30	$36.82 - $52.47
Q1 2025	18,478,816	$845,960	$48.55	$43.53 - $54.30
Q4 2024	28,646,175	$1,361,266	$46.35	$42.94 - $49.78
Q3 2024	39,225,452	$1,771,029	$40.86	$36.03 - $44.95
Q2 2024	39,092,238	$1,518,733	$33.68	$29.54 - $39.21
Q1 2024	29,971,489	$987,860	$30.45	$28.32 - $32.29
Q4 2023	31,312,779	$953,474	$27.12	$23.85 - $29.36
Q3 2023	28,714,901	$874,943	$30.70	$28.22 - $33.67
Q2 2023	26,659,513	$934,149	$30.60	$28.39 - $33.72
Q1 2023	33,558,165	$1,183,932	$32.11	$29.39 - $34.14
Q4 2022	34,942,667	$1,116,069	$29.73	$26.59 - $31.97
Q3 2022	34,450,406	$999,751	$30.75	$26.45 - $34.17
Q2 2022	33,423,553	$1,053,176	$31.05	$28.04 - $33.53
Q1 2022	33,360,127	$1,231,322	$34.93	$30.29 - $38.80
Q4 2021	37,273,654	$1,387,699	$33.34	$31.26 - $35.25
Q3 2021	38,441,652	$1,402,735	$35.29	$32.36 - $37.53
Q2 2021	47,196,726	$1,930,346	$38.31	$33.97 - $41.06
Q1 2021	57,101,205	$2,484,473	$33.60	$30.34 - $38.69
Q4 2020	49,637,646	$1,786,955	$30.87	$27.10 - $33.50
Q3 2020	53,144,263	$1,722,408	$26.66	$22.06 - $29.33
Q2 2020	52,993,214	$1,372,525	$19.40	$15.19 - $24.47
Q1 2020	43,344,435	$890,295	$22.10	$14.86 - $25.72
Q4 2019	24,153,919	$703,121	$24.43	$22.45 - $26.10
Q3 2019	17,172,862	$489,770	$24.98	$22.31 - $28.54
Q2 2019	158,016	$5,251	$26.62	$23.82 - $29.24
Q1 2019	86,774	$2,872	$27.05	$23.03 - $29.16
Q4 2018	329,935	$9,967	$26.17	$22.76 - $29.38
Q3 2018	132,377	$4,673	$26.48	$22.14 - $29.90
Q1 2018	161,491	$4,503	$24.81	$21.97 - $28.19
Q4 2017	175,860	$5,626	$25.23	$23.59 - $26.36
Q3 2017	180,802	$5,410	$23.59	$22.03 - $25.57
Q2 2017	165,052	$4,960	$22.77	$20.81 - $24.32
Q1 2017	176,446	$4,764	$20.97	$18.97 - $22.43
Q4 2016	186,317	$4,522	$18.64	$17.38 - $19.93
Q3 2016	140,003	$3,311	$17.37	$15.37 - $18.61
Q2 2016	159,265	$3,261	$15.51	$14.06 - $16.55
Q1 2016	197,812	$4,132	$14.25	$12.36 - $16.26
Q4 2015	157,153	$2,873	$13.86	$12.46 - $14.78
Q3 2015	164,440	$2,815	$13.63	$11.66 - $15.13
Q2 2015	173,070	$3,415	$16.12	$14.79 - $17.27
Q1 2015	157,985	$3,583	$17.82	$16.37 - $18.82
Q4 2014	170,465	$3,909	$15.20	$12.68 - $17.59
Q3 2014	144,846	$2,801	$15.47	$14.31 - $16.57
Q2 2014	143,422	$3,148	$15.67	$14.87 - $16.45
Q1 2014	148,760	$3,097	$13.82	$12.14 - $15.48
Q4 2013	92,156	$1,643	$12.05	$10.08 - $13.18
Q3 2013	6,662,067	$97,200	$10.75	$10.09 - $11.23
Q2 2013	7,381,096	$105,033	$10.49	$9.09 - $11.82