CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

MAIRS & POWER INC's Holding History (CIK: 0001070134)

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

Q4 2025

Shares 90,350 Value ($000) $7,911 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 92,626 Value ($000) $7,598 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 93,220 Value ($000) $4,902 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 89,245 Value ($000) $4,086 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 92,270 Value ($000) $4,385 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 99,186 Value ($000) $4,478 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 107,055 Value ($000) $4,159 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 125,460 Value ($000) $4,135 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 164,196 Value ($000) $5,000 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 191,511 Value ($000) $5,835 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 220,161 Value ($000) $7,714 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 283,173 Value ($000) $9,990 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 333,164 Value ($000) $10,641 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 347,071 Value ($000) $10,072 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 348,287 Value ($000) $10,975 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 421,905 Value ($000) $15,573 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 1,702,469 Value ($000) $63,383 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 1,717,562 Value ($000) $62,674 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 1,717,388 Value ($000) $70,241 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 1,726,791 Value ($000) $75,133 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 1,758,686 Value ($000) $63,313 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 2,027,019 Value ($000) $65,696 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 2,207,240 Value ($000) $57,168 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 2,406,939 Value ($000) $49,439 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 2,412,712 Value ($000) $70,234 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 2,433,301 Value ($000) $69,398 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 2,228,998 Value ($000) $74,070 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 2,108,503 Value ($000) $69,791 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 2,127,806 Value ($000) $64,281 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 2,139,661 Value ($000) $75,530 Avg Close $26.48 Range $22.14 - $29.90

Q2 2018

Shares 2,324,548 Value ($000) $63,948 Avg Close $22.38 Range $21.10 - $23.67

Q1 2018

Shares 2,364,095 Value ($000) $65,911 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 2,420,615 Value ($000) $77,435 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 2,460,744 Value ($000) $73,625 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 2,538,634 Value ($000) $76,286 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 2,558,362 Value ($000) $69,076 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 2,561,656 Value ($000) $62,171 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 2,863,726 Value ($000) $67,727 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 2,948,886 Value ($000) $60,393 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 2,970,216 Value ($000) $62,048 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 2,984,882 Value ($000) $54,564 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 3,006,564 Value ($000) $51,472 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 3,014,714 Value ($000) $59,480 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 3,020,879 Value ($000) $68,514 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 3,265,395 Value ($000) $74,876 Avg Close $15.20 Range $12.68 - $17.59

Q3 2014

Shares 3,407,515 Value ($000) $65,901 Avg Close $15.47 Range $14.31 - $16.57

Q2 2014

Shares 3,580,460 Value ($000) $78,591 Avg Close $15.67 Range $14.87 - $16.45

Q1 2014

Shares 4,151,918 Value ($000) $86,443 Avg Close $13.82 Range $12.14 - $15.48

Q4 2013

Shares 4,208,490 Value ($000) $74,995 Avg Close $12.05 Range $10.08 - $13.18

Q3 2013

Shares 4,234,160 Value ($000) $61,776 Avg Close $10.75 Range $10.09 - $11.23

Q2 2013

Shares 4,289,007 Value ($000) $61,033 Avg Close $10.49 Range $9.09 - $11.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	90,350	$7,911	$85.98	$77.39 - $96.64
Q3 2025	92,626	$7,598	$64.97	$50.94 - $81.93
Q2 2025	93,220	$4,902	$46.30	$36.82 - $52.47
Q1 2025	89,245	$4,086	$48.55	$43.53 - $54.30
Q4 2024	92,270	$4,385	$46.35	$42.94 - $49.78
Q3 2024	99,186	$4,478	$40.86	$36.03 - $44.95
Q2 2024	107,055	$4,159	$33.68	$29.54 - $39.21
Q1 2024	125,460	$4,135	$30.45	$28.32 - $32.29
Q4 2023	164,196	$5,000	$27.12	$23.85 - $29.36
Q3 2023	191,511	$5,835	$30.70	$28.22 - $33.67
Q2 2023	220,161	$7,714	$30.60	$28.39 - $33.72
Q1 2023	283,173	$9,990	$32.11	$29.39 - $34.14
Q4 2022	333,164	$10,641	$29.73	$26.59 - $31.97
Q3 2022	347,071	$10,072	$30.75	$26.45 - $34.17
Q2 2022	348,287	$10,975	$31.05	$28.04 - $33.53
Q1 2022	421,905	$15,573	$34.93	$30.29 - $38.80
Q4 2021	1,702,469	$63,383	$33.34	$31.26 - $35.25
Q3 2021	1,717,562	$62,674	$35.29	$32.36 - $37.53
Q2 2021	1,717,388	$70,241	$38.31	$33.97 - $41.06
Q1 2021	1,726,791	$75,133	$33.60	$30.34 - $38.69
Q4 2020	1,758,686	$63,313	$30.87	$27.10 - $33.50
Q3 2020	2,027,019	$65,696	$26.66	$22.06 - $29.33
Q2 2020	2,207,240	$57,168	$19.40	$15.19 - $24.47
Q1 2020	2,406,939	$49,439	$22.10	$14.86 - $25.72
Q4 2019	2,412,712	$70,234	$24.43	$22.45 - $26.10
Q3 2019	2,433,301	$69,398	$24.98	$22.31 - $28.54
Q2 2019	2,228,998	$74,070	$26.62	$23.82 - $29.24
Q1 2019	2,108,503	$69,791	$27.05	$23.03 - $29.16
Q4 2018	2,127,806	$64,281	$26.17	$22.76 - $29.38
Q3 2018	2,139,661	$75,530	$26.48	$22.14 - $29.90
Q2 2018	2,324,548	$63,948	$22.38	$21.10 - $23.67
Q1 2018	2,364,095	$65,911	$24.81	$21.97 - $28.19
Q4 2017	2,420,615	$77,435	$25.23	$23.59 - $26.36
Q3 2017	2,460,744	$73,625	$23.59	$22.03 - $25.57
Q2 2017	2,538,634	$76,286	$22.77	$20.81 - $24.32
Q1 2017	2,558,362	$69,076	$20.97	$18.97 - $22.43
Q4 2016	2,561,656	$62,171	$18.64	$17.38 - $19.93
Q3 2016	2,863,726	$67,727	$17.37	$15.37 - $18.61
Q2 2016	2,948,886	$60,393	$15.51	$14.06 - $16.55
Q1 2016	2,970,216	$62,048	$14.25	$12.36 - $16.26
Q4 2015	2,984,882	$54,564	$13.86	$12.46 - $14.78
Q3 2015	3,006,564	$51,472	$13.63	$11.66 - $15.13
Q2 2015	3,014,714	$59,480	$16.12	$14.79 - $17.27
Q1 2015	3,020,879	$68,514	$17.82	$16.37 - $18.82
Q4 2014	3,265,395	$74,876	$15.20	$12.68 - $17.59
Q3 2014	3,407,515	$65,901	$15.47	$14.31 - $16.57
Q2 2014	3,580,460	$78,591	$15.67	$14.87 - $16.45
Q1 2014	4,151,918	$86,443	$13.82	$12.14 - $15.48
Q4 2013	4,208,490	$74,995	$12.05	$10.08 - $13.18
Q3 2013	4,234,160	$61,776	$10.75	$10.09 - $11.23
Q2 2013	4,289,007	$61,033	$10.49	$9.09 - $11.82