CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025

Shares 879,824 Value ($000) $77,037 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 990,630 Value ($000) $81,261 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 373,007 Value ($000) $19,616 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 294,862 Value ($000) $13,499 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 176,877 Value ($000) $8,406 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 252,003 Value ($000) $11,378 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 175,113 Value ($000) $6,803 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 272,284 Value ($000) $8,975 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 409,413 Value ($000) $12,466 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 395,705 Value ($000) $12,057 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 388,730 Value ($000) $13,622 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 444,206 Value ($000) $15,672 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 396,858 Value ($000) $12,676 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 284,962 Value ($000) $8,269 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 293,458 Value ($000) $9,283 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 256,957 Value ($000) $9,521 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 275,999 Value ($000) $10,297 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 425,977 Value ($000) $15,559 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 421,287 Value ($000) $17,232 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 257,249 Value ($000) $11,022 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 208,179 Value ($000) $7,456 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 188,749 Value ($000) $6,041 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 126,388 Value ($000) $3,158 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 97,232 Value ($000) $1,860 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 166,706 Value ($000) $4,862 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 198,482 Value ($000) $5,640 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 185,926 Value ($000) $6,210 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 172,192 Value ($000) $5,701 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 160,264 Value ($000) $5,106 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 133,204 Value ($000) $4,700 Avg Close $26.48 Range $22.14 - $29.90

Q2 2018

Shares 336,230 Value ($000) $9,251 Avg Close $22.38 Range $21.10 - $23.67

Q1 2018

Shares 319,207 Value ($000) $8,899 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 636,486 Value ($000) $20,362 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 546,661 Value ($000) $16,356 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 447,343 Value ($000) $13,442 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 478,060 Value ($000) $12,908 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 435,568 Value ($000) $10,571 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 467,717 Value ($000) $11,061 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 401,698 Value ($000) $8,227 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 422,728 Value ($000) $8,831 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 428,723 Value ($000) $7,837 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 47,419 Value ($000) $811 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 71,710 Value ($000) $1,415 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 47,472 Value ($000) $1,073 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 54,046 Value ($000) $1,239 Avg Close $15.20 Range $12.68 - $17.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	879,824	$77,037	$85.98	$77.39 - $96.64
Q3 2025	990,630	$81,261	$64.97	$50.94 - $81.93
Q2 2025	373,007	$19,616	$46.30	$36.82 - $52.47
Q1 2025	294,862	$13,499	$48.55	$43.53 - $54.30
Q4 2024	176,877	$8,406	$46.35	$42.94 - $49.78
Q3 2024	252,003	$11,378	$40.86	$36.03 - $44.95
Q2 2024	175,113	$6,803	$33.68	$29.54 - $39.21
Q1 2024	272,284	$8,975	$30.45	$28.32 - $32.29
Q4 2023	409,413	$12,466	$27.12	$23.85 - $29.36
Q3 2023	395,705	$12,057	$30.70	$28.22 - $33.67
Q2 2023	388,730	$13,622	$30.60	$28.39 - $33.72
Q1 2023	444,206	$15,672	$32.11	$29.39 - $34.14
Q4 2022	396,858	$12,676	$29.73	$26.59 - $31.97
Q3 2022	284,962	$8,269	$30.75	$26.45 - $34.17
Q2 2022	293,458	$9,283	$31.05	$28.04 - $33.53
Q1 2022	256,957	$9,521	$34.93	$30.29 - $38.80
Q4 2021	275,999	$10,297	$33.34	$31.26 - $35.25
Q3 2021	425,977	$15,559	$35.29	$32.36 - $37.53
Q2 2021	421,287	$17,232	$38.31	$33.97 - $41.06
Q1 2021	257,249	$11,022	$33.60	$30.34 - $38.69
Q4 2020	208,179	$7,456	$30.87	$27.10 - $33.50
Q3 2020	188,749	$6,041	$26.66	$22.06 - $29.33
Q2 2020	126,388	$3,158	$19.40	$15.19 - $24.47
Q1 2020	97,232	$1,860	$22.10	$14.86 - $25.72
Q4 2019	166,706	$4,862	$24.43	$22.45 - $26.10
Q3 2019	198,482	$5,640	$24.98	$22.31 - $28.54
Q2 2019	185,926	$6,210	$26.62	$23.82 - $29.24
Q1 2019	172,192	$5,701	$27.05	$23.03 - $29.16
Q4 2018	160,264	$5,106	$26.17	$22.76 - $29.38
Q3 2018	133,204	$4,700	$26.48	$22.14 - $29.90
Q2 2018	336,230	$9,251	$22.38	$21.10 - $23.67
Q1 2018	319,207	$8,899	$24.81	$21.97 - $28.19
Q4 2017	636,486	$20,362	$25.23	$23.59 - $26.36
Q3 2017	546,661	$16,356	$23.59	$22.03 - $25.57
Q2 2017	447,343	$13,442	$22.77	$20.81 - $24.32
Q1 2017	478,060	$12,908	$20.97	$18.97 - $22.43
Q4 2016	435,568	$10,571	$18.64	$17.38 - $19.93
Q3 2016	467,717	$11,061	$17.37	$15.37 - $18.61
Q2 2016	401,698	$8,227	$15.51	$14.06 - $16.55
Q1 2016	422,728	$8,831	$14.25	$12.36 - $16.26
Q4 2015	428,723	$7,837	$13.86	$12.46 - $14.78
Q3 2015	47,419	$811	$13.63	$11.66 - $15.13
Q2 2015	71,710	$1,415	$16.12	$14.79 - $17.27
Q1 2015	47,472	$1,073	$17.82	$16.37 - $18.82
Q4 2014	54,046	$1,239	$15.20	$12.68 - $17.59