GAMCO Investors’s Materion MTRN Stock Holding History

GAMCO Investors’s Portfolio MTRN Stock Details MTRN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$27.7M	Sell	191,240 -4,710	-2%	-$685K	0.27%	103
2025 Q4	$24.4M	Buy	195,950 +800	+0.4%	+$98.6K	0.23%	117
2025 Q3	$23.6M	Buy	195,150 +8,000	+4%	+$840K	0.23%	118
2025 Q2	$14.9M	Sell	187,150 -600	-0.3%	-$47.3K	0.15%	175
2025 Q1	$15.3M	Sell	187,750 -3,000	-2%	-$283K	0.17%	162
2024 Q4	$18.9M	Sell	190,750 -3,500	-2%	-$380K	0.2%	144
2024 Q3	$21.7M	Sell	194,250 -11,100	-5%	-$1.23M	0.22%	125
2024 Q2	$22.2M	Sell	205,350 -3,700	-2%	-$425K	0.24%	116
2024 Q1	$27.5M	Sell	209,050 -23,200	-10%	-$2.94M	0.28%	96
2023 Q4	$30.2M	Sell	232,250 -9,100	-4%	-$998K	0.32%	82
2023 Q3	$24.6M	Sell	241,350 -8,400	-3%	-$917K	0.29%	96
2023 Q2	$28.5M	Sell	249,750 -12,800	-5%	-$1.39M	0.3%	89
2023 Q1	$30.5M	Sell	262,550 -18,500	-7%	-$1.85M	0.33%	82
2022 Q4	$24.6M	Sell	281,050 -600	-0.2%	-$49K	0.26%	107
2022 Q3	$22.5M	Sell	281,650 -500	-0.2%	-$41.2K	0.27%	110
2022 Q2	$20.8M	Sell	282,150 -350	-0.1%	-$28.1K	0.23%	132
2022 Q1	$24.2M	Hold	282,500	–	–	0.22%	133
2021 Q4	$26M	Sell	282,500 -6,004	-2%	-$500K	0.22%	128
2021 Q3	$19.8M	Sell	288,504 -425	-0.1%	-$30.4K	0.18%	163
2021 Q2	$21.8M	Sell	288,929 -22,300	-7%	-$1.65M	0.18%	153
2021 Q1	$20.6M	Sell	311,229 -38,000	-11%	-$2.64M	0.18%	155
2020 Q4	$22.3M	Sell	349,229 -900	-0.3%	-$51.8K	0.21%	143
2020 Q3	$18.2M	Sell	350,129 -5,475	-2%	-$310K	0.2%	146
2020 Q2	$21.9M	Buy	355,604 +7,200	+2%	+$364K	0.25%	118
2020 Q1	$12.2M	Sell	348,404 -10,300	-3%	-$511K	0.14%	182
2019 Q4	$21.3M	Sell	358,704 -38,000	-10%	-$2.25M	0.17%	157
2019 Q3	$24.3M	Sell	396,704 -66,100	-14%	-$4.1M	0.2%	135
2019 Q2	$31.4M	Sell	462,804 -105,200	-19%	-$6.62M	0.24%	114
2019 Q1	$32.4M	Sell	568,004 -47,696	-8%	-$2.48M	0.25%	108
2018 Q4	$27.7M	Buy	615,700 +1,100	+0.2%	+$58.5K	0.23%	120
2018 Q3	$37.2M	Sell	614,600 -15,500	-2%	-$933K	0.25%	108
2018 Q2	$34.1M	Sell	630,100 -22,200	-3%	-$1.21M	0.23%	122
2018 Q1	$33.3M	Sell	652,300 -19,200	-3%	-$980K	0.22%	121
2017 Q4	$32.6M	Sell	671,500 -97,200	-13%	-$4.62M	0.2%	136
2017 Q3	$33.2M	Sell	768,700 -13,500	-2%	-$517K	0.21%	135
2017 Q2	$29.3M	Sell	782,200 -7,200	-0.9%	-$254K	0.19%	150
2017 Q1	$26.5M	Sell	789,400 -18,100	-2%	-$664K	0.17%	161
2016 Q4	$32M	Sell	807,500 -3,800	-0.5%	-$134K	0.2%	135
2016 Q3	$24.9M	Sell	811,300 -2,600	-0.3%	-$73K	0.16%	164
2016 Q2	$20.2M	Buy	813,900 +35,200	+5%	+$904K	0.13%	178
2016 Q1	$20.6M	Sell	778,700 -29,800	-4%	-$742K	0.14%	174
2015 Q4	$22.6M	Sell	808,500 -18,600	-2%	-$562K	0.15%	172
2015 Q3	$24.8M	Sell	827,100 -64,300	-7%	-$2.05M	0.16%	156
2015 Q2	$31.4M	Sell	891,400 -166,200	-16%	-$6.41M	0.17%	155
2015 Q1	$40.6M	Sell	1,057,600 -6,500	-0.6%	-$233K	0.21%	135
2014 Q4	$37.5M	Sell	1,064,100 -104,300	-9%	-$3.59M	0.2%	143
2014 Q3	$35.8M	Buy	1,168,400 +11,700	+1%	+$398K	0.19%	144
2014 Q2	$42.8M	Sell	1,156,700 -14,500	-1%	-$502K	0.22%	127
2014 Q1	$39.7M	Buy	1,171,200 +5,400	+0.5%	+$160K	0.21%	132
2013 Q4	$36M	Sell	1,165,800 -34,100	-3%	-$989K	0.19%	149
2013 Q3	$38.5M	Sell	1,199,900 -45,600	-4%	-$1.39M	0.23%	131
2013 Q2	$33.7M	Buy	+1,245,500	New	+$35M	0.21%	139