CHATHAM CAPITAL GROUP, INC.

Position in MTRN — MATERION Corp

CIK 1108969 SAVANNAH, GA

Position in MTRN

as of Jun 30, 2026 · filed Jul 13, 2026 Compact

Position Value

$8,200,529

+$3,932,487 QoQ

Shares Held

27,575

-6.5% QoQ

Ownership

0.133%

of shares outstanding

% of Portfolio

1.65%

of 13F equity value

Holder Rank

of 35 holders

Holding Since

Sep 2021

20 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

CHATHAM CAPITAL GROUP, INC. holds $8,200,529 across 1 Other Industrial Metals & Mining name. MTRN ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	MTRN	MATERION Corp This page	27,575	$8,200,529

20 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,200,529	27,575	-6.5%	Shares	Sole	2026-07-13
2026-03-31	$4,268,042	29,506	-7.9%	Shares	Sole	2026-04-21
2025-12-31	$3,982,964	32,038	+0.9%	Shares	Sole	2026-01-14
2025-09-30	$3,835,475	31,748	+7.5%	Shares	Sole	2025-10-15
2025-06-30	$2,344,669	29,541	-0.7%	Shares	Sole	2025-07-17
2025-03-31	$2,427,273	29,746	+2.5%	Shares	Sole	2025-04-10
2024-12-31	$2,869,596	29,021	+47.1%	Shares	Sole	2025-02-07
2024-09-30	$2,207,557	19,735	+0.2%	Shares	Sole	2024-10-16
2024-06-30	$2,129,836	19,697	+1.4%	Shares	Sole	2024-07-15
2024-03-31	$2,560,166	19,432	+11.4%	Shares	Sole	2024-04-18
2023-12-31	$2,269,727	17,442	-3.3%	Shares	Sole	2024-01-19
2023-09-30	$1,839,067	18,046	-0.9%	Shares	Sole	2023-10-26
2023-06-30	$2,080,381	18,217	+0.1%	Shares	Sole	2023-07-14
2023-03-31	$2,110,968	18,198	+0.1%	Shares	Sole	2023-04-24
2022-12-31	$1,591,456	18,186	0.0%	Shares	Sole	2023-02-01
2022-09-30	$1,454,880	18,186	0.0%	Shares	Sole	2022-10-28
2022-06-30	$1,340,853	18,186	+0.1%	Shares	Sole	2022-08-02
2022-03-31	$1,557,124	18,161	+1.5%	Shares	Sole	2022-04-21
2021-12-31	$1,645,726	17,900	+0.2%	Shares	Sole	2022-02-02
2021-09-30	$1,226,596	17,870	—	Shares	Sole	2021-10-13
No filing history on record for this holder in this stock.