Rockefeller Capital Management’s Materion MTRN Stock Holding History

Rockefeller Capital Management’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	$76.3K	Sell	527 -331	-39%	-$48.1K	﹤0.01%	3027
2025 Q4	$107K	Buy	858 +518	+152%	+$63.9K	﹤0.01%	2692
2025 Q3	$41.1K	Buy	+340	New	+$35.7K	﹤0.01%	3005
2023 Q1	–	Sell	-149	Closed	-$13K	–	3174
2022 Q4	$13K	Hold	149	–	–	﹤0.01%	2966
2022 Q3	$11K	Sell	149 -25	-14%	-$2.06K	﹤0.01%	3050
2022 Q2	$12K	Buy	174 +32	+23%	+$2.57K	﹤0.01%	3022
2022 Q1	$12K	Hold	142	–	–	﹤0.01%	2958
2021 Q4	$13K	Sell	142 -42	-23%	-$3.5K	﹤0.01%	2848
2021 Q3	$12K	Hold	184	–	–	﹤0.01%	2805
2021 Q2	$13K	Buy	184 +17	+10%	+$1.26K	﹤0.01%	2674
2021 Q1	$11K	Buy	167 +133	+391%	+$9.23K	﹤0.01%	2542
2020 Q4	$2K	Buy	34 +20	+143%	+$1.15K	﹤0.01%	2651
2020 Q3	$0	Buy	+14	New	+$792	﹤0.01%	2709

Other funds holding MTRN

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

AAM

ACK Asset Management Greenwich, Connecticut $801M AUM 60.42% 1-Year Est. Return

Rockefeller Capital Management's MTRN Position: Q1 2026 in Review

Rockefeller Capital Management reduced its Materion (MTRN) stake by 39% in Q1 2026, selling an estimated $48.1K and leaving 527 shares worth $76.3K. The position accounts for ﹤0.01% of the portfolio, ranked #3027.

Rockefeller Capital Management first reported a position in MTRN in Q3 2020 and has held it in 13 quarters since. The position peaked at $107K in Q4 2025. 333 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.

Rockefeller Capital Management held 527 shares of Materion worth $76.3K as of Q1 2026.
Rockefeller Capital Management sold 331 Materion shares in Q1 2026, an estimated $48.1K.
Materion made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q1 2026, its #3027 holding.
Rockefeller Capital Management first reported a position in Materion in Q3 2020 and has held it in 13 quarters since.
Rockefeller Capital Management's Materion position peaked at $107K in Q4 2025.
333 funds tracked by Wall St. Rank held Materion as of Q1 2026.

Based on Rockefeller Capital Management's 13F filing for Q1 2026, filed 14 May 2026.