Aigen Investment Management, LP

Position in MTRN — MATERION Corp

CIK 1741224 NEW YORK, NY

Position in MTRN

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

Position Value

$562,959

+$207,988 QoQ

Shares Held

1,893

-22.9% QoQ

Ownership

0.009%

of shares outstanding

% of Portfolio

0.15%

of 13F equity value

Holder Rank

#216

of 402 holders

Holding Since

Mar 2020

5 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

Aigen Investment Management, LP holds $2,899,519 across 4 Other Industrial Metals & Mining names. MTRN ranks #2 (19.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RIO	Rio Tinto PLC	20,701	$1,965,145
2	MTRN	MATERION Corp This page	1,893	$562,959
3	CMP	Compass Minerals International Inc	9,785	$304,607
4	GSM	Ferroglobe PLC	21,009	$66,808

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$562,959	1,893	-22.9%	Shares	Sole	2026-08-14
2026-03-31	$354,971	2,454	-16.4%	Shares	Sole	2026-05-15
2025-06-30	$232,871	2,934	-48.5%	Shares	Sole	2025-08-12
2020-06-30	$350,431	5,699	+192.4%	Shares	Sole	2020-08-10
2020-03-31	$68,234	1,949	—	Shares	Sole	2020-05-08
No filing history on record for this holder in this stock.