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Materion
MTRN

301 hedge funds and large institutions have $2.4B invested in Materion in 2025 Q3 according to their latest regulatory filings, with 77 funds opening new positions, 100 increasing their positions, 89 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

2,024% more call options, than puts

Call options by funds: $6.42M | Put options by funds: $302K

175% more first-time investments, than exits

New positions opened: 77 | Existing positions closed: 28

56% more capital invested

Capital invested by funds: $1.55B → $2.4B (+$859M)

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

18% more funds holding

Funds holding: 256 → 301 (+45)

12% more repeat investments, than reductions

Existing positions increased: 100 | Existing positions reduced: 89

2.57% more ownership

Funds ownership: 93.5% → 96.07% (+2.6%)

Holders
301
Holders Change
+45
Holders Change %
+17.58%
% of All Funds
3.95%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
77
Increased
100
Reduced
89
Closed
28
Calls
$6.42M
Puts
$302K
Net Calls
+$6.11M
Net Calls Change
+$5.73M

Top Buyers

1
HP
Harvey Partners
New York
+$33.4M
2
Morgan Stanley
Morgan Stanley
New York
+$17.7M
3
American Century Companies
American Century Companies
Missouri
+$13.3M
4
JP Morgan Chase
JP Morgan Chase
New York
+$12.2M
5
Raymond James Financial
Raymond James Financial
Florida
+$11.4M

Top Sellers

1
TI
Trigran Investments
Illinois
-$31.6M
2
SAM
Silvercrest Asset Management
New York
-$22.1M
3
CCM
Copeland Capital Management
Pennsylvania
-$9.75M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$6.51M
5
BlackRock
BlackRock
New York
-$5.81M
Name Holding Trade Value Shares
Change 		Change in
Stake
ASRS
126
Arizona State Retirement System
Arizona
$744K +$8.93K +85 +1%
KJHP
127
K.J. Harrison & Partners
Ontario, Canada
$741K +$631K +6,005 New
IC
128
IEQ Capital
California
$727K +$632K +6,018 New
AB
129
Amalgamated Bank
New York
$727K +$9.13K +87 +1%
TRSOTSOK
130
Teachers Retirement System of the State of Kentucky
Kentucky
$714K -$16.4K -156 -3%
Verition Fund Management
131
Verition Fund Management
Connecticut
$707K -$353K -3,366 -37%
CM
132
Caption Management
Oklahoma
$701K +$609K +5,800 New
Creative Planning
133
Creative Planning
Kansas
$696K +$181K +1,725 +43%
PFSRSONJ
134
Police & Firemen's Retirement System of New Jersey
New Jersey
$692K +$105K +999 +21%
PCM
135
Penn Capital Management
Pennsylvania
$668K +$581K +5,531 New
Los Angeles Capital Management
136
Los Angeles Capital Management
California
$666K +$579K +5,514 New
HIMC
137
Heritage Investors Management Corp
Maryland
$665K -$23.2K -221 -4%
Cambridge Investment Research Advisors
138
Cambridge Investment Research Advisors
Iowa
$656K +$570K +5,429 New
Neuberger Berman Group
139
Neuberger Berman Group
New York
$640K -$83.7K -797 -13%
COPPSERS
140
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$638K -$6.83K -65 -1%
HI
141
Horizon Investments
North Carolina
$632K +$549K +5,232 New
HSBC Holdings
142
HSBC Holdings
United Kingdom
$612K +$135K +1,289 +33%
Handelsbanken Fonder
143
Handelsbanken Fonder
Sweden
$612K – – –
SCA
144
Snowden Capital Advisors
New York
$603K -$57.1K -544 -10%
Ensign Peak Advisors
145
Ensign Peak Advisors
Utah
$592K -$635K -6,050 -55%
Holocene Advisors
146
Holocene Advisors
New York
$590K +$513K +4,885 New
OPERF
147
Oregon Public Employees Retirement Fund
Oregon
$567K -$10.5K -100 -2%
Envestnet Portfolio Solutions
148
Envestnet Portfolio Solutions
Illinois
$565K -$23.5K -224 -5%
Fidelity Investments
149
Fidelity Investments
Massachusetts
$556K +$7.35K +70 +2%
GF
150
Gabelli Funds
New York
$544K – – –
4 5
6
7 8

MTRN Hedge Fund Activity: Q3 2025 in Review

301 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Materion (MTRN) for Q3 2025, worth a combined $2.4B — up 56% from $1.55B a quarter earlier.

Buyers outnumbered sellers: 77 funds opened new MTRN positions and 28 closed out — a net gain of 49 holders — while 100 added to existing stakes and 89 trimmed.

The largest buyer was Harvey Partners, opening a new position worth an estimated $33.4M. The largest seller was Trigran Investments, cutting an estimated $31.6M.

  • 301 institutional investors held Materion (MTRN) as of Q3 2025, up from 256 in Q2 2025.
  • Funds reported $2.4B of Materion stock for Q3 2025, up 56% quarter-over-quarter.
  • 77 funds opened new Materion positions in Q3 2025 and 28 closed out, a net change of +49 holders.
  • The largest Materion buyer in Q3 2025 was Harvey Partners, an estimated $33.4M added.
  • The largest Materion seller in Q3 2025 was Trigran Investments, an estimated $31.6M sold.

Based on aggregated 13F filings for Q3 2025.