Brown Brothers Harriman & Co’s Materion MTRN Stock Holding History

Brown Brothers Harriman & Co’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	$14.3K	Buy	99 +46	+87%	+$6.69K	﹤0.01%	1289
2025 Q4	$6.59K	Hold	53	–	–	﹤0.01%	1445
2025 Q3	$6.4K	Buy	+53	New	+$5.57K	﹤0.01%	1363
2023 Q3	–	Sell	-136	Closed	-$15.5K	–	1275
2023 Q2	$15.5K	Hold	136	–	–	﹤0.01%	902
2023 Q1	$15.8K	Hold	136	–	–	﹤0.01%	927
2022 Q4	$11.9K	Hold	136	–	–	﹤0.01%	988
2022 Q3	$11K	Hold	136	–	–	﹤0.01%	1131
2022 Q2	$10K	Buy	+136	New	+$10.9K	﹤0.01%	1014
2019 Q4	–	Sell	-64	Closed	-$4K	–	1222
2019 Q3	$4K	Buy	+64	New	+$3.97K	﹤0.01%	1021

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

Brown Brothers Harriman & Co's MTRN Position: Q1 2026 in Review

Brown Brothers Harriman & Co increased its Materion (MTRN) stake by 87% in Q1 2026, buying an estimated $6.69K and bringing the position to 99 shares worth $14.3K. The position accounts for ﹤0.01% of the portfolio, ranked #1289.

Brown Brothers Harriman & Co first reported a position in MTRN in Q3 2019 and has held it in 9 quarters since. The position peaked at $15.8K in Q1 2023. 333 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.

Brown Brothers Harriman & Co held 99 shares of Materion worth $14.3K as of Q1 2026.
Brown Brothers Harriman & Co bought 46 Materion shares in Q1 2026, an estimated $6.69K.
Materion made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q1 2026, its #1289 holding.
Brown Brothers Harriman & Co first reported a position in Materion in Q3 2019 and has held it in 9 quarters since.
Brown Brothers Harriman & Co's Materion position peaked at $15.8K in Q1 2023.
333 funds tracked by Wall St. Rank held Materion as of Q1 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q1 2026, filed 14 May 2026.