AMALGAMATED BANK

Bank

Position in MTRN — MATERION Corp

CIK 919192 NEW YORK, NY

Position in MTRN

as of Jun 30, 2026 · filed Jul 23, 2026 Compact

Position Value

$1,663,302

+$800,031 QoQ

Shares Held

5,593

-6.3% QoQ

Ownership

0.027%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#149

of 400 holders

Holding Since

Jun 2021

19 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

AMALGAMATED BANK holds $5,300,415 across 3 Other Industrial Metals & Mining names. MTRN ranks #2 (31.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MP	MP Materials Corp. / DE	60,253	$3,374,770
2	MTRN	MATERION Corp This page	5,593	$1,663,302
3	ALM	Almonty Industries Inc.	15,842	$262,343

19 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,663,302	5,593	-6.3%	Shares	Sole	2026-07-23
2026-03-31	$863,271	5,968	-0.9%	Shares	Sole	2026-05-08
2025-12-31	$748,530	6,021	+0.0%	Shares	Sole	2026-02-05
2025-09-30	$727,034	6,018	+1.5%	Shares	Sole	2025-10-29
2025-06-30	$470,743	5,931	0.0%	Shares	Sole	2025-08-04
2025-03-31	$483,969	5,931	-2.8%	Shares	Sole	2025-04-25
2024-12-31	$603,563	6,104	0.0%	Shares	Sole	2025-02-04
2024-09-30	$682,793	6,104	-3.5%	Shares	Sole	2024-10-30
2024-06-30	$684,138	6,327	-3.5%	Shares	Sole	2024-08-12
2024-03-31	$863,489	6,554	-25.9%	Shares	Sole	2024-04-23
2023-12-31	$1,150,479	8,841	-2.6%	Shares	Sole	2024-02-06
2023-09-30	$925,342	9,080	-3.2%	Shares	Sole	2023-11-08
2023-06-30	$1,071,767	9,385	+0.8%	Shares	Sole	2023-08-11
2023-03-31	$1,079,844	9,309	-5.9%	Shares	Sole	2023-05-02
2022-12-31	$865,911	9,895	0.0%	Shares	Sole	2023-02-10
2022-09-30	$791,600	9,895	+0.9%	Shares	Sole	2022-11-09
2022-06-30	$723,070	9,807	-4.2%	Shares	Sole	2022-08-15
2021-09-30	$702,393	10,233	-2.0%	Shares	Sole	2021-10-29
2021-06-30	$786,578	10,439	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.