CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

Dodge & Cox's Holding History (CIK: 0000200217)

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

Q4 2025

Shares 36,850 Value ($000) $3,227 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 39,900 Value ($000) $3,273 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 39,900 Value ($000) $2,098 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 40,600 Value ($000) $1,859 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 40,450 Value ($000) $1,922 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 42,450 Value ($000) $1,917 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 48,150 Value ($000) $1,871 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 55,200 Value ($000) $1,819 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 56,100 Value ($000) $1,708 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 92,942 Value ($000) $2,832 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 94,642 Value ($000) $3,316 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 97,742 Value ($000) $3,448 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 103,292 Value ($000) $3,299 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 110,009 Value ($000) $3,192 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 118,185 Value ($000) $3,724 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 132,002 Value ($000) $4,872 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 135,400 Value ($000) $5,041 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 156,900 Value ($000) $5,725 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 159,336 Value ($000) $6,517 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 166,602 Value ($000) $7,249 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 172,052 Value ($000) $6,194 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 181,652 Value ($000) $5,887 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 196,752 Value ($000) $5,096 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 230,302 Value ($000) $4,730 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 351,200 Value ($000) $10,223 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 362,550 Value ($000) $10,340 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 413,364 Value ($000) $13,736 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 468,577 Value ($000) $15,510 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 570,372 Value ($000) $17,231 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 624,574 Value ($000) $22,047 Avg Close $26.48 Range $22.14 - $29.90

Q2 2018

Shares 775,097 Value ($000) $21,323 Avg Close $22.38 Range $21.10 - $23.67

Q1 2018

Shares 1,147,538 Value ($000) $31,993 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 15,789,186 Value ($000) $505,096 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 15,983,457 Value ($000) $478,225 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 16,166,252 Value ($000) $485,796 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 28,633,730 Value ($000) $773,111 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 31,284,689 Value ($000) $759,279 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 36,466,267 Value ($000) $862,427 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 53,116,905 Value ($000) $1,087,834 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 57,248,905 Value ($000) $1,195,930 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 57,804,025 Value ($000) $1,056,658 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 47,702,466 Value ($000) $816,666 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 46,425,266 Value ($000) $915,970 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 55,821,375 Value ($000) $1,266,029 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 58,052,475 Value ($000) $1,331,143 Avg Close $15.20 Range $12.68 - $17.59

Q3 2014

Shares 57,660,438 Value ($000) $1,115,153 Avg Close $15.47 Range $14.31 - $16.57

Q2 2014

Shares 57,842,418 Value ($000) $1,269,641 Avg Close $15.67 Range $14.87 - $16.45

Q1 2014

Shares 57,996,868 Value ($000) $1,207,495 Avg Close $13.82 Range $12.14 - $15.48

Q4 2013

Shares 57,946,118 Value ($000) $1,032,600 Avg Close $12.05 Range $10.08 - $13.18

Q3 2013

Shares 58,482,118 Value ($000) $853,254 Avg Close $10.75 Range $10.09 - $11.23

Q2 2013

Shares 55,470,068 Value ($000) $789,339 Avg Close $10.49 Range $9.09 - $11.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	36,850	$3,227	$85.98	$77.39 - $96.64
Q3 2025	39,900	$3,273	$64.97	$50.94 - $81.93
Q2 2025	39,900	$2,098	$46.30	$36.82 - $52.47
Q1 2025	40,600	$1,859	$48.55	$43.53 - $54.30
Q4 2024	40,450	$1,922	$46.35	$42.94 - $49.78
Q3 2024	42,450	$1,917	$40.86	$36.03 - $44.95
Q2 2024	48,150	$1,871	$33.68	$29.54 - $39.21
Q1 2024	55,200	$1,819	$30.45	$28.32 - $32.29
Q4 2023	56,100	$1,708	$27.12	$23.85 - $29.36
Q3 2023	92,942	$2,832	$30.70	$28.22 - $33.67
Q2 2023	94,642	$3,316	$30.60	$28.39 - $33.72
Q1 2023	97,742	$3,448	$32.11	$29.39 - $34.14
Q4 2022	103,292	$3,299	$29.73	$26.59 - $31.97
Q3 2022	110,009	$3,192	$30.75	$26.45 - $34.17
Q2 2022	118,185	$3,724	$31.05	$28.04 - $33.53
Q1 2022	132,002	$4,872	$34.93	$30.29 - $38.80
Q4 2021	135,400	$5,041	$33.34	$31.26 - $35.25
Q3 2021	156,900	$5,725	$35.29	$32.36 - $37.53
Q2 2021	159,336	$6,517	$38.31	$33.97 - $41.06
Q1 2021	166,602	$7,249	$33.60	$30.34 - $38.69
Q4 2020	172,052	$6,194	$30.87	$27.10 - $33.50
Q3 2020	181,652	$5,887	$26.66	$22.06 - $29.33
Q2 2020	196,752	$5,096	$19.40	$15.19 - $24.47
Q1 2020	230,302	$4,730	$22.10	$14.86 - $25.72
Q4 2019	351,200	$10,223	$24.43	$22.45 - $26.10
Q3 2019	362,550	$10,340	$24.98	$22.31 - $28.54
Q2 2019	413,364	$13,736	$26.62	$23.82 - $29.24
Q1 2019	468,577	$15,510	$27.05	$23.03 - $29.16
Q4 2018	570,372	$17,231	$26.17	$22.76 - $29.38
Q3 2018	624,574	$22,047	$26.48	$22.14 - $29.90
Q2 2018	775,097	$21,323	$22.38	$21.10 - $23.67
Q1 2018	1,147,538	$31,993	$24.81	$21.97 - $28.19
Q4 2017	15,789,186	$505,096	$25.23	$23.59 - $26.36
Q3 2017	15,983,457	$478,225	$23.59	$22.03 - $25.57
Q2 2017	16,166,252	$485,796	$22.77	$20.81 - $24.32
Q1 2017	28,633,730	$773,111	$20.97	$18.97 - $22.43
Q4 2016	31,284,689	$759,279	$18.64	$17.38 - $19.93
Q3 2016	36,466,267	$862,427	$17.37	$15.37 - $18.61
Q2 2016	53,116,905	$1,087,834	$15.51	$14.06 - $16.55
Q1 2016	57,248,905	$1,195,930	$14.25	$12.36 - $16.26
Q4 2015	57,804,025	$1,056,658	$13.86	$12.46 - $14.78
Q3 2015	47,702,466	$816,666	$13.63	$11.66 - $15.13
Q2 2015	46,425,266	$915,970	$16.12	$14.79 - $17.27
Q1 2015	55,821,375	$1,266,029	$17.82	$16.37 - $18.82
Q4 2014	58,052,475	$1,331,143	$15.20	$12.68 - $17.59
Q3 2014	57,660,438	$1,115,153	$15.47	$14.31 - $16.57
Q2 2014	57,842,418	$1,269,641	$15.67	$14.87 - $16.45
Q1 2014	57,996,868	$1,207,495	$13.82	$12.14 - $15.48
Q4 2013	57,946,118	$1,032,600	$12.05	$10.08 - $13.18
Q3 2013	58,482,118	$853,254	$10.75	$10.09 - $11.23
Q2 2013	55,470,068	$789,339	$10.49	$9.09 - $11.82