How many institutional investors hold MTRN?

5 tracked institutional investors disclosed a position in MTRN (MATERION CORP) in their most recent 13F filing.

Who is the largest institutional holder of MTRN?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in MTRN, valued at $7M.

Where does this MTRN ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

MTRN — MATERION CORP

Name: MATERION CORP (MTRN) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About MATERION CORP (MTRN)

MATERION CORP (MTRN) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $7M. Across recent filings, tracked investors recorded 3 new positions, 1 increased, 2 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in MTRN

/100

Mixed Activity

Added / Increased4

Reduced2

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track MTRN

/100

Emerging Interest

5investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

MTRN Ownership Composition

How MATERION CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

76% of tracked value

Institutions

tracked investors

Total Reported

$13M

combined 13F value

Other75.8%
Hedge Funds23.6%
Growth Funds0.6%

Other(3)

75.8%

Hedge Funds(1)

23.6%

Growth Funds(1)

0.6%

Tracked investors reporting MTRN

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	49.9K	$7.2M	0.00%	Mar 31, 2026
Izzy Englander	Millennium Management	14.5K	$2.1M	0.00%	Mar 31, 2026
George Soros	Soros Fund Management	21.1K	$3.1M	0.03%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	3.7K	$529.7K	0.00%	Mar 31, 2026
Cathie Wood	ARK Investment Management	571	$82.6K	0.00%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
49.9K
Value
$7.2M
% Portfolio
0.00%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
14.5K
Value
$2.1M
% Portfolio
0.00%
George SorosMar 31, 2026
Soros Fund Management
Shares
21.1K
Value
$3.1M
% Portfolio
0.03%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
3.7K
Value
$529.7K
% Portfolio
0.00%
Cathie WoodMar 31, 2026
ARK Investment Management
Shares
571
Value
$82.6K
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ken Griffin	Sold	-100.00%	$0	May 15, 2026
George Soros	New	—	$3.1M	May 15, 2026
Ray Dalio	New	—	$529.7K	May 15, 2026
Cathie Wood	Increased	1.06%	$82.6K	May 12, 2026
Ken Griffin	Reduced	-32.86%	$2.8K	Feb 17, 2026
Cathie Wood	Reduced	-18.59%	$70	Feb 11, 2026
Cathie Wood	New	—	$83	Nov 12, 2025

Ken Griffin
Sold
$0(-100.00%)May 15, 2026
George Soros
New
$3.1MMay 15, 2026
Ray Dalio
New
$529.7KMay 15, 2026
Cathie Wood
Increased
$82.6K(1.06%)May 12, 2026
Ken Griffin
Reduced
$2.8K(-32.86%)Feb 17, 2026
Cathie Wood
Reduced
$70(-18.59%)Feb 11, 2026
Cathie Wood
New
$83Nov 12, 2025

Frequently asked questions

How many institutional investors hold MTRN?: 5 tracked institutional investors disclosed a position in MTRN (MATERION CORP) in their most recent 13F filing.
Who is the largest institutional holder of MTRN?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in MTRN, valued at $7M.
Did institutional ownership of MTRN increase or decrease?: Across recent 13F filings, tracked investors recorded 3 new positions, 1 increased, 2 reduced, and 1 fully exited MTRN.
Where does this MTRN ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.