Materion

MTRN • NYSE

Materion is a industrial materials company in the basic materials sector on NYSE, led by John M. Zaranec, with a market cap of $2.7B. As of Q3 2025, 96% of shares are held by 292 institutional investors, with BlackRock, Inc. as the largest holder at 15.79%.

Division Chief Financial Officer – Performance MaterialsJohn M. Zaranec

Market Cap$2.7B

Industrial Materials

Basic Materials

Employees3.4K

Websitematerion.com

Country

United States of America

Overview

Overview of institutional ownership in MTRN as of Q3 2025 with a market cap of $2.5B

All Institutions

Institutions: 292
Value Held: $2.4B
Shares Held: 19.9M
Avg Position: $8.2M
Median Position: $566.1K

Hedge Funds

Hedge Funds: 26
Value Held: $161.2M
Shares Held: 1.3M
Avg Position: $6.2M
Median Position: $774.2K

Ownership Breakdown

Institutional (non-HF)

89.5%

$2.2B

Hedge Funds

6.44%

$161.2M

Retail & Other

4.06%

$101.6M

Based on market cap of $2.5B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in MTRN as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$395.3M 0.01% of portfolio	15.79% 3.3M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$284.6M 0.00% of portfolio	11.37% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
Capital Research Global Investors RIA/Wealth	Maria Alejandra Herrera CIO	$230.9M 0.04% of portfolio	9.22% 1.9M shares	Q3 2022 Held for 3y 2m	$532.36B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$161.6M 0.01% of portfolio	6.45% 1.3M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$121.2M 0.03% of portfolio	4.84% 1.0M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
BARROW HANLEY MEWHINNEY & STRAUSS LLC Long Only Manager	Cory Lawrence Martin CEO	$73.0M 0.23% of portfolio	2.92% 604.4K shares	Q2 2020 Held for 5y 5m	$31.4B
ACK Asset Management LLC Hedge Fund•Long/Short	John Henry Reilly Managing Partner	$63.4M 7.55% of portfolio	2.53% 524.8K shares	Q1 2020 Held for 5y 8m	$839.5M
Trigran Investments, Inc. Hedge Fund•Value	Douglas Todd Granat President	$60.1M 10.90% of portfolio	2.40% 497.7K shares	Q2 2022 Held for 3y 5m	$551.6M
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$59.2M 0.00% of portfolio	2.36% 489.8K shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$46.3M 0.00% of portfolio	1.85% 382.9K shares	≤ Q2 2013 Held for 12y 5m+	$1.65T

Net Capital Flow

Institutional buying and selling activity for MTRN in Q3 2025

Traded: +$82.8M
Buyers: 174
Sellers: 112
Total Bought: +$233.6M
Total Sold: −$150.9M
Avg Position: $7.5M

Biggest Buyers

Institution	Net Bought	Current Position
H Harvey Partners, LLC Institution	+$38.4M +318.0K shares	$38.4M 318.0K shares
MORGAN STANLEY RIA/Wealth	+$20.4M +168.5K shares	$46.3M 382.9K shares
A AMERICAN CENTURY COMPANIES INC Institution	+$15.3M +126.8K shares	$44.1M 365.2K shares
JPMORGAN CHASE & CO Institution	+$14.0M +116.1K shares	$23.0M 190.6K shares
RAYMOND JAMES FINANCIAL INC RIA/Wealth	+$13.2M +109.0K shares	$20.2M 167.2K shares
R ROYCE & ASSOCIATES LLC Institution	+$11.8M +97.5K shares	$11.8M 97.5K shares
SEGALL BRYANT & HAMILL Long Only Manager	+$9.5M +78.3K shares	$42.2M 349.5K shares
KENNEDY CAPITAL MANAGEMENT, INC. Long Only Manager	+$6.6M +54.4K shares	$18.5M 153.4K shares
N Nuveen, LLC Institution	+$6.5M +54.0K shares	$14.1M 116.9K shares
BANK OF AMERICA CORP /DE/ Institution	+$5.5M +45.7K shares	$11.1M 91.7K shares

Biggest Sellers

Institution	Net Sold	Current Position
Trigran Investments, Inc. Hedge Fund•Value	−$36.4M −301.0K shares	$60.1M 497.7K shares
Copeland Capital Management, LLC Long Only Manager	−$11.2M −92.9K shares	$45.0M 372.8K shares
T TEXAS PERMANENT SCHOOL FUND Institution	−$7.5M −94.7K shares	Sold Off 0 shares
B BlackRock, Inc. Institution	−$6.7M −55.3K shares	$395.3M 3.3M shares
Q Qube Research & Technologies Ltd Institution	−$6.5M −82.0K shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$5.7M −47.5K shares	$1.4M 11.6K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$5.5M −45.5K shares	$4.1M 33.5K shares
C Cubist Systematic Strategies, LLC Institution	−$5.4M −45.1K shares	$1.8M 15.2K shares
D D. E. Shaw & Co., Inc. Institution	−$4.7M −39.2K shares	$1.1M 8.8K shares
R ROYAL BANK OF CANADA Institution	−$4.4M −36.2K shares	$37.2M 307.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited MTRN in Q3 2025

New Positions: 38
New Value: $56.2M
Exited Positions: 27
Exited Value: $26.7M

New Positions

Institution	Position Value
H Harvey Partners, LLC Institution	$38.4M 318.0K shares
F First Eagle Investment Management, LLC Long Only Manager	$3.0M 24.5K shares
H HWG Holdings LP Institution	$2.7M 22.3K shares
Oliver Luxxe Assets LLC RIA/Wealth	$1.7M 13.9K shares
C CAXTON ASSOCIATES LLP Institution	$917.6K 7.6K shares
O Old West Investment Management, LLC Hedge Fund•Multi-Strategy	$841.1K 7.0K shares
Cetera Investment Advisers RIA/Wealth	$747.3K 6.2K shares
K K.J. Harrison & Partners Inc Institution	$741.4K 6.0K shares
IEQ CAPITAL, LLC RIA/Wealth	$727.0K 6.0K shares
Caption Management, LLC Hedge Fund•Long/Short	$700.7K 5.8K shares

Exited Positions

Institution	Previous Position
T TEXAS PERMANENT SCHOOL FUND Institution	$7.5M 94.7K shares
Q Qube Research & Technologies Ltd Institution	$6.5M 82.0K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$4.0M 50.2K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$2.1M 26.3K shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	$829.1K 10.4K shares
Y Y-Intercept Ltd Institution	$823.8K 10.4K shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	$716.9K 9.0K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$687.4K 8.7K shares
Quantbot Technologies LLC Hedge Fund•Quant	$562.5K 7.1K shares
A AXQ CAPITAL, LP Hedge Fund•Market Neutral	$469.3K 5.9K shares

Options Activity

Institutions with the largest Call and Put options positions in MTRN as of Q3 2025

Call Positions: 2
Call Value: $6.4M
Put Positions: 1
Put Value: $302.0K

Call Positions

Institution	Position Value
P PEAK6 LLC Institution	$5.4M 451.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$918.2K 76.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$302.0K 25.0 contracts

Most Committed Institutions

Institutions with MTRN as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Trigran Investments, Inc. Hedge Fund•Value	Douglas Todd Granat President	10.90% $60.1M	2.40% 497.7K shares	Q2 2022 Held for 3y 5m	$551.6M
ACK Asset Management LLC Hedge Fund•Long/Short	John Henry Reilly Managing Partner	7.55% $63.4M	2.53% 524.8K shares	Q1 2020 Held for 5y 8m	$839.5M
H Harvey Partners, LLC Institution	-	3.49% $38.4M	1.53% 318.0K shares	Q3 2025 Held for 2 months	$1.1B
Lumbard Investment Counseling, LLC RIA/Wealth	John Ashmore Lumbard Manager	2.32% $6.3M	0.25% 52.3K shares	Q2 2025 Held for 5 months	$271.9M
SailingStone Capital Partners LLC Hedge Fund•Sector	Walker Nelson Moody President	1.66% $6.3M	0.25% 52.5K shares	Q2 2025 Held for 5 months	$381.9M
Phocas Financial Corp. Long Only Manager	William Franz Kim Schaff CEO	0.98% $7.5M	0.30% 62.5K shares	Q2 2014 Held for 11y 5m	$771.4M
Copeland Capital Management, LLC Long Only Manager	Eric Copeland Brown CEO	0.94% $45.0M	1.80% 372.8K shares	Q2 2020 Held for 5y 5m	$4.8B
H HWG Holdings LP Institution	-	0.73% $2.7M	0.11% 22.3K shares	Q3 2025 Held for 2 months	$370.4M
Gilman Hill Asset Management, LLC RIA/Wealth	Jenny Vanleeuwen Harrington CEO	0.65% $4.2M	0.17% 34.9K shares	Q4 2019 Held for 5y 11m	$646.5M
Jackson Creek Investment Advisors LLC Long Only Manager	Mark Frederick Jaeger Managing Partner	0.56% $1.9M	0.08% 16.1K shares	Q3 2025 Held for 2 months	$345.2M

Hedge Fund Spotlight

Discover hedge funds investing in MTRN

Old West Investment Management, LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerChad William Cook

Portfolio Value: $439.2M
Positions: 87
Last Reported: Q3 2025

Sector Allocation

Position in Materion

Market Value: $841.1K
Shares Held: 7.0K
Portfolio Weight: 0.19%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 Trilogy Metals TMQ	Industrial Materials Basic Materials	$25.5M	5.82%
2 NexGen Energy NXE	Uranium Energy	$23.7M	5.40%
3 Lockheed Martin LMT	Aerospace & Defense Industrials	$19.4M	4.41%