AQR CAPITAL MANAGEMENT LLC

Position in MTRN — MATERION Corp

CIK 1167557 Greenwich, CT

Position in MTRN

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$20,769,715

+$14,274,356 QoQ

Shares Held

69,840

+55.5% QoQ

Ownership

0.335%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#49

of 400 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 98% Shared 0% None 2%

Basic Materials · as of Jun 30, 2026

AQR CAPITAL MANAGEMENT LLC holds $215,834,905 across 17 Other Industrial Metals & Mining names. MTRN ranks #3 (9.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VALE	Vale S.A.	7,544,987	$113,476,603
2	BHP	BHP Group Ltd	397,906	$33,149,547
3	MTRN	MATERION Corp This page	69,840	$20,769,715
4	CMP	Compass Minerals International Inc	637,339	$19,840,360
5	RIO	Rio Tinto PLC	202,627	$19,235,380
6	CRML	Critical Metals Corp.	373,429	$3,827,645
7	MP	MP Materials Corp. / DE	29,314	$1,641,876
8	LZM	Lifezone Metals Ltd	308,983	$1,198,852

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$20,769,715	69,840	+55.5%	Shares	Other	2026-08-14
2026-03-31	$6,495,359	44,904	+0.0%	Shares	Other	2026-05-15
2025-12-31	$5,580,100	44,885	-1.7%	Shares	Other	2026-02-17
2025-09-30	$5,517,510	45,671	+224.2%	Shares	Other	2025-11-14
2025-06-30	$1,118,242	14,089	+470.6%	Shares	Other	2025-08-14
2025-03-31	$201,470	2,469	+1.4%	Shares	Other	2025-05-15
2024-03-31	$320,811	2,435	+3.3%	Shares	Defined	2024-05-15
2023-12-31	$306,716	2,357	+26.0%	Shares	Defined	2024-02-14
2023-06-30	$213,554	1,870	+2.0%	Shares	Defined	2023-08-14
2023-03-31	$212,744	1,834	-53.1%	Shares	Defined	2023-05-15
2022-03-31	$335,586	3,914	+47.4%	Shares	Defined	2022-05-16
2021-12-31	$244,192	2,656	-80.4%	Shares	Defined	2022-02-14
2020-06-30	$835,157	13,582	-48.9%	Shares	Defined	2020-08-17
2020-03-31	$930,600	26,581	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.