CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

Tufton Capital Management's Holding History (CIK: 0001055963)

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

Q4 2025

Shares 183,819 Value ($000) $16 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 188,043 Value ($000) $15 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 209,555 Value ($000) $11 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 217,908 Value ($000) $9,976 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 220,310 Value ($000) $10,469 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 222,934 Value ($000) $10,065 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 229,994 Value ($000) $8,935 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 229,827 Value ($000) $7,575 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 231,838 Value ($000) $7,059 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 233,138 Value ($000) $7,104 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 238,283 Value ($000) $8,349 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 243,771 Value ($000) $8,600 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 245,357 Value ($000) $7,837 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 246,977 Value ($000) $7,167 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 303,419 Value ($000) $9,560 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 303,028 Value ($000) $11,184 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 304,851 Value ($000) $11,349 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 295,770 Value ($000) $10,792 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 297,890 Value ($000) $12,183 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 302,351 Value ($000) $13,155 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 303,401 Value ($000) $10,922 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 303,716 Value ($000) $9,843 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 316,107 Value ($000) $8,187 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 253,662 Value ($000) $5,210 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 244,636 Value ($000) $7,121 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 244,038 Value ($000) $6,959 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 230,642 Value ($000) $7,664 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 228,707 Value ($000) $7,570 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 225,702 Value ($000) $6,818 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 229,109 Value ($000) $8,087 Avg Close $26.48 Range $22.14 - $29.90

Q2 2018

Shares 231,894 Value ($000) $6,379 Avg Close $22.38 Range $21.10 - $23.67

Q1 2018

Shares 229,517 Value ($000) $6,398 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 213,511 Value ($000) $6,830 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 213,836 Value ($000) $6,398 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 214,386 Value ($000) $6,442 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 221,281 Value ($000) $5,975 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 252,942 Value ($000) $6,139 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 389,665 Value ($000) $9,216 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 426,829 Value ($000) $8,741 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 436,186 Value ($000) $9,112 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 443,358 Value ($000) $8,105 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 456,095 Value ($000) $7,808 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 466,929 Value ($000) $9,213 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 501,135 Value ($000) $11,366 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 504,308 Value ($000) $11,564 Avg Close $15.20 Range $12.68 - $17.59

Q3 2014

Shares 512,168 Value ($000) $9,905 Avg Close $15.47 Range $14.31 - $16.57

Q2 2014

Shares 519,499 Value ($000) $11,403 Avg Close $15.67 Range $14.87 - $16.45

Q1 2014

Shares 515,811 Value ($000) $10,739 Avg Close $13.82 Range $12.14 - $15.48

Q4 2013

Shares 420,029 Value ($000) $7,485 Avg Close $12.05 Range $10.08 - $13.18

Q3 2013

Shares 411,543 Value ($000) $6,004 Avg Close $10.75 Range $10.09 - $11.23

Q2 2013

Shares 419,168 Value ($000) $5,965 Avg Close $10.49 Range $9.09 - $11.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	183,819	$16	$85.98	$77.39 - $96.64
Q3 2025	188,043	$15	$64.97	$50.94 - $81.93
Q2 2025	209,555	$11	$46.30	$36.82 - $52.47
Q1 2025	217,908	$9,976	$48.55	$43.53 - $54.30
Q4 2024	220,310	$10,469	$46.35	$42.94 - $49.78
Q3 2024	222,934	$10,065	$40.86	$36.03 - $44.95
Q2 2024	229,994	$8,935	$33.68	$29.54 - $39.21
Q1 2024	229,827	$7,575	$30.45	$28.32 - $32.29
Q4 2023	231,838	$7,059	$27.12	$23.85 - $29.36
Q3 2023	233,138	$7,104	$30.70	$28.22 - $33.67
Q2 2023	238,283	$8,349	$30.60	$28.39 - $33.72
Q1 2023	243,771	$8,600	$32.11	$29.39 - $34.14
Q4 2022	245,357	$7,837	$29.73	$26.59 - $31.97
Q3 2022	246,977	$7,167	$30.75	$26.45 - $34.17
Q2 2022	303,419	$9,560	$31.05	$28.04 - $33.53
Q1 2022	303,028	$11,184	$34.93	$30.29 - $38.80
Q4 2021	304,851	$11,349	$33.34	$31.26 - $35.25
Q3 2021	295,770	$10,792	$35.29	$32.36 - $37.53
Q2 2021	297,890	$12,183	$38.31	$33.97 - $41.06
Q1 2021	302,351	$13,155	$33.60	$30.34 - $38.69
Q4 2020	303,401	$10,922	$30.87	$27.10 - $33.50
Q3 2020	303,716	$9,843	$26.66	$22.06 - $29.33
Q2 2020	316,107	$8,187	$19.40	$15.19 - $24.47
Q1 2020	253,662	$5,210	$22.10	$14.86 - $25.72
Q4 2019	244,636	$7,121	$24.43	$22.45 - $26.10
Q3 2019	244,038	$6,959	$24.98	$22.31 - $28.54
Q2 2019	230,642	$7,664	$26.62	$23.82 - $29.24
Q1 2019	228,707	$7,570	$27.05	$23.03 - $29.16
Q4 2018	225,702	$6,818	$26.17	$22.76 - $29.38
Q3 2018	229,109	$8,087	$26.48	$22.14 - $29.90
Q2 2018	231,894	$6,379	$22.38	$21.10 - $23.67
Q1 2018	229,517	$6,398	$24.81	$21.97 - $28.19
Q4 2017	213,511	$6,830	$25.23	$23.59 - $26.36
Q3 2017	213,836	$6,398	$23.59	$22.03 - $25.57
Q2 2017	214,386	$6,442	$22.77	$20.81 - $24.32
Q1 2017	221,281	$5,975	$20.97	$18.97 - $22.43
Q4 2016	252,942	$6,139	$18.64	$17.38 - $19.93
Q3 2016	389,665	$9,216	$17.37	$15.37 - $18.61
Q2 2016	426,829	$8,741	$15.51	$14.06 - $16.55
Q1 2016	436,186	$9,112	$14.25	$12.36 - $16.26
Q4 2015	443,358	$8,105	$13.86	$12.46 - $14.78
Q3 2015	456,095	$7,808	$13.63	$11.66 - $15.13
Q2 2015	466,929	$9,213	$16.12	$14.79 - $17.27
Q1 2015	501,135	$11,366	$17.82	$16.37 - $18.82
Q4 2014	504,308	$11,564	$15.20	$12.68 - $17.59
Q3 2014	512,168	$9,905	$15.47	$14.31 - $16.57
Q2 2014	519,499	$11,403	$15.67	$14.87 - $16.45
Q1 2014	515,811	$10,739	$13.82	$12.14 - $15.48
Q4 2013	420,029	$7,485	$12.05	$10.08 - $13.18
Q3 2013	411,543	$6,004	$10.75	$10.09 - $11.23
Q2 2013	419,168	$5,965	$10.49	$9.09 - $11.82