BROWN BROTHERS HARRIMAN & CO

Position in MTRN — MATERION Corp

CIK 14661 NEW YORK, NY

Position in MTRN

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$29,441

+$15,121 QoQ

Shares Held

0.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#336

of 400 holders

Holding Since

Jun 2022

9 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

BROWN BROTHERS HARRIMAN & CO holds $335,402 across 6 Other Industrial Metals & Mining names. MTRN ranks #4 (8.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMC	TMC the metals Co Inc.	21,500	$95,245
2	RIO	Rio Tinto PLC	928	$88,095
3	BHP	BHP Group Ltd	929	$77,394
4	MTRN	MATERION Corp This page	99	$29,441
5	SKE	Skeena Resources Ltd	883	$23,540
6	VALE	Vale S.A.	1,442	$21,687

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$29,441	99	0.0%	Shares	Sole	2026-08-12
2026-03-31	$14,320	99	+86.8%	Shares	Sole	2026-05-14
2025-12-31	$6,588	53	0.0%	Shares	Sole	2026-02-12
2025-09-30	$6,402	53	-61.0%	Shares	Sole	2025-11-13
2023-06-30	$15,531	136	0.0%	Shares	Sole	2023-08-07
2023-03-31	$15,776	136	0.0%	Shares	Sole	2023-05-11
2022-12-31	$11,901	136	0.0%	Shares	Sole	2023-02-09
2022-09-30	$10,880	136	0.0%	Shares	Sole	2022-11-14
2022-06-30	$10,027	136	—	Shares	Sole	2022-08-11
No filing history on record for this holder in this stock.