MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025

Shares 195,950 Value ($000) $24,361 Avg Close $123.31 Range $109.61 - $135.33

Q3 2025

Shares 195,150 Value ($000) $23,576 Avg Close $105.00 Range $78.40 - $122.73

Q2 2025

Shares 187,150 Value ($000) $14,854 Avg Close $78.87 Range $69.10 - $91.03

Q1 2025

Shares 187,750 Value ($000) $15,320 Avg Close $94.24 Range $80.21 - $106.57

Q4 2024

Shares 190,750 Value ($000) $18,861 Avg Close $108.67 Range $96.18 - $123.21

Q3 2024

Shares 194,250 Value ($000) $21,729 Avg Close $111.21 Range $98.51 - $123.09

Q2 2024

Shares 205,350 Value ($000) $22,204 Avg Close $114.94 Range $104.91 - $131.97

Q1 2024

Shares 209,050 Value ($000) $27,542 Avg Close $126.70 Range $115.25 - $145.08

Q4 2023

Shares 232,250 Value ($000) $30,223 Avg Close $109.69 Range $92.23 - $132.50

Q3 2023

Shares 241,350 Value ($000) $24,596 Avg Close $109.18 Range $97.98 - $123.41

Q2 2023

Shares 249,750 Value ($000) $28,521 Avg Close $108.57 Range $99.33 - $121.29

Q1 2023

Shares 262,550 Value ($000) $30,456 Avg Close $100.24 Range $84.23 - $118.20

Q4 2022

Shares 281,050 Value ($000) $24,595 Avg Close $81.64 Range $64.89 - $89.26

Q3 2022

Shares 281,650 Value ($000) $22,532 Avg Close $82.42 Range $69.36 - $97.89

Q2 2022

Shares 282,150 Value ($000) $20,803 Avg Close $80.32 Range $68.75 - $89.68

Q1 2022

Shares 282,500 Value ($000) $24,222 Avg Close $85.47 Range $78.88 - $96.00

Q4 2021

Shares 282,500 Value ($000) $25,973 Avg Close $83.35 Range $68.09 - $95.60

Q3 2021

Shares 288,504 Value ($000) $19,803 Avg Close $71.56 Range $66.92 - $76.97

Q2 2021

Shares 288,929 Value ($000) $21,771 Avg Close $74.12 Range $64.48 - $80.39

Q1 2021

Shares 311,229 Value ($000) $20,616 Avg Close $69.38 Range $61.96 - $80.70

Q4 2020

Shares 349,229 Value ($000) $22,253 Avg Close $57.50 Range $49.51 - $64.23

Q3 2020

Shares 350,129 Value ($000) $18,217 Avg Close $56.58 Range $49.60 - $63.83

Q2 2020

Shares 355,604 Value ($000) $21,866 Avg Close $50.57 Range $32.91 - $63.46

Q1 2020

Shares 348,404 Value ($000) $12,198 Avg Close $49.59 Range $26.15 - $62.56

Q4 2019

Shares 358,704 Value ($000) $21,325 Avg Close $59.15 Range $55.67 - $63.19

Q3 2019

Shares 396,704 Value ($000) $24,342 Avg Close $62.07 Range $56.79 - $68.75

Q2 2019

Shares 462,804 Value ($000) $31,383 Avg Close $62.97 Range $56.29 - $71.97

Q1 2019

Shares 568,004 Value ($000) $32,410 Avg Close $52.02 Range $42.50 - $59.87

Q4 2018

Shares 615,700 Value ($000) $27,700 Avg Close $53.14 Range $42.66 - $61.07

Q3 2018

Shares 614,600 Value ($000) $37,183 Avg Close $60.17 Range $53.70 - $65.10

Q2 2018

Shares 630,100 Value ($000) $34,120 Avg Close $54.29 Range $49.40 - $57.45

Q1 2018

Shares 652,300 Value ($000) $33,300 Avg Close $51.05 Range $44.95 - $55.35

Q4 2017

Shares 671,500 Value ($000) $32,635 Avg Close $47.56 Range $42.10 - $52.10

Q3 2017

Shares 768,700 Value ($000) $33,169 Avg Close $38.31 Range $36.60 - $43.43

Q2 2017

Shares 782,200 Value ($000) $29,254 Avg Close $35.32 Range $33.00 - $38.85

Q1 2017

Shares 789,400 Value ($000) $26,484 Avg Close $36.71 Range $31.05 - $41.10

Q4 2016

Shares 807,500 Value ($000) $31,977 Avg Close $35.18 Range $28.50 - $41.23

Q3 2016

Shares 811,300 Value ($000) $24,915 Avg Close $28.09 Range $24.18 - $32.28

Q2 2016

Shares 813,900 Value ($000) $20,152 Avg Close $25.67 Range $22.36 - $31.83

Q1 2016

Shares 778,700 Value ($000) $20,620 Avg Close $24.91 Range $20.62 - $28.26

Q4 2015

Shares 808,500 Value ($000) $22,638 Avg Close $30.22 Range $26.02 - $35.21

Q3 2015

Shares 827,100 Value ($000) $24,830 Avg Close $31.92 Range $28.83 - $36.53

Q2 2015

Shares 891,400 Value ($000) $31,422 Avg Close $38.55 Range $35.16 - $41.85

Q1 2015

Shares 1,057,600 Value ($000) $40,644 Avg Close $35.92 Range $31.95 - $39.57

Q4 2014

Shares 1,064,100 Value ($000) $37,488 Avg Close $34.46 Range $26.64 - $40.60

Q3 2014

Shares 1,168,400 Value ($000) $35,835 Avg Close $33.98 Range $30.65 - $39.38

Q2 2014

Shares 1,156,700 Value ($000) $42,786 Avg Close $34.63 Range $31.69 - $37.96

Q1 2014

Shares 1,171,200 Value ($000) $39,739 Avg Close $29.70 Range $25.21 - $35.19

Q4 2013

Shares 1,165,800 Value ($000) $35,965 Avg Close $29.01 Range $25.75 - $32.73

Q3 2013

Shares 1,199,900 Value ($000) $38,469 Avg Close $30.55 Range $27.09 - $33.69

Q2 2013

Shares 1,245,500 Value ($000) $33,741 Avg Close $28.11 Range $24.58 - $31.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	195,950	$24,361	$123.31	$109.61 - $135.33
Q3 2025	195,150	$23,576	$105.00	$78.40 - $122.73
Q2 2025	187,150	$14,854	$78.87	$69.10 - $91.03
Q1 2025	187,750	$15,320	$94.24	$80.21 - $106.57
Q4 2024	190,750	$18,861	$108.67	$96.18 - $123.21
Q3 2024	194,250	$21,729	$111.21	$98.51 - $123.09
Q2 2024	205,350	$22,204	$114.94	$104.91 - $131.97
Q1 2024	209,050	$27,542	$126.70	$115.25 - $145.08
Q4 2023	232,250	$30,223	$109.69	$92.23 - $132.50
Q3 2023	241,350	$24,596	$109.18	$97.98 - $123.41
Q2 2023	249,750	$28,521	$108.57	$99.33 - $121.29
Q1 2023	262,550	$30,456	$100.24	$84.23 - $118.20
Q4 2022	281,050	$24,595	$81.64	$64.89 - $89.26
Q3 2022	281,650	$22,532	$82.42	$69.36 - $97.89
Q2 2022	282,150	$20,803	$80.32	$68.75 - $89.68
Q1 2022	282,500	$24,222	$85.47	$78.88 - $96.00
Q4 2021	282,500	$25,973	$83.35	$68.09 - $95.60
Q3 2021	288,504	$19,803	$71.56	$66.92 - $76.97
Q2 2021	288,929	$21,771	$74.12	$64.48 - $80.39
Q1 2021	311,229	$20,616	$69.38	$61.96 - $80.70
Q4 2020	349,229	$22,253	$57.50	$49.51 - $64.23
Q3 2020	350,129	$18,217	$56.58	$49.60 - $63.83
Q2 2020	355,604	$21,866	$50.57	$32.91 - $63.46
Q1 2020	348,404	$12,198	$49.59	$26.15 - $62.56
Q4 2019	358,704	$21,325	$59.15	$55.67 - $63.19
Q3 2019	396,704	$24,342	$62.07	$56.79 - $68.75
Q2 2019	462,804	$31,383	$62.97	$56.29 - $71.97
Q1 2019	568,004	$32,410	$52.02	$42.50 - $59.87
Q4 2018	615,700	$27,700	$53.14	$42.66 - $61.07
Q3 2018	614,600	$37,183	$60.17	$53.70 - $65.10
Q2 2018	630,100	$34,120	$54.29	$49.40 - $57.45
Q1 2018	652,300	$33,300	$51.05	$44.95 - $55.35
Q4 2017	671,500	$32,635	$47.56	$42.10 - $52.10
Q3 2017	768,700	$33,169	$38.31	$36.60 - $43.43
Q2 2017	782,200	$29,254	$35.32	$33.00 - $38.85
Q1 2017	789,400	$26,484	$36.71	$31.05 - $41.10
Q4 2016	807,500	$31,977	$35.18	$28.50 - $41.23
Q3 2016	811,300	$24,915	$28.09	$24.18 - $32.28
Q2 2016	813,900	$20,152	$25.67	$22.36 - $31.83
Q1 2016	778,700	$20,620	$24.91	$20.62 - $28.26
Q4 2015	808,500	$22,638	$30.22	$26.02 - $35.21
Q3 2015	827,100	$24,830	$31.92	$28.83 - $36.53
Q2 2015	891,400	$31,422	$38.55	$35.16 - $41.85
Q1 2015	1,057,600	$40,644	$35.92	$31.95 - $39.57
Q4 2014	1,064,100	$37,488	$34.46	$26.64 - $40.60
Q3 2014	1,168,400	$35,835	$33.98	$30.65 - $39.38
Q2 2014	1,156,700	$42,786	$34.63	$31.69 - $37.96
Q1 2014	1,171,200	$39,739	$29.70	$25.21 - $35.19
Q4 2013	1,165,800	$35,965	$29.01	$25.75 - $32.73
Q3 2013	1,199,900	$38,469	$30.55	$27.09 - $33.69
Q2 2013	1,245,500	$33,741	$28.11	$24.58 - $31.49