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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
MAM
76
Martingale Asset Management
Massachusetts
$2.5M +$2.17M +20,710 New
IA
77
Icon Advisers
Colorado
$2.39M +$683K +6,500 +49%
Russell Investments Group
78
Russell Investments Group
United Kingdom
$2.32M +$1.09M +10,335 +116%
California State Teachers Retirement System (CalSTRS)
79
California State Teachers Retirement System (CalSTRS)
California
$2.32M +$135K +1,288 +7%
Canada Life
80
Canada Life
Manitoba, Canada
$2.3M +$163K +1,551 +9%
T. Rowe Price Associates
81
T. Rowe Price Associates
Maryland
$2.24M +$113K +1,078 +6%
RHJA
82
Rice Hall James & Associates
California
$2.13M -$733K -6,978 -28%
JCIA
83
Jackson Creek Investment Advisors
Colorado
$1.95M +$1.69M +16,112 New
New York State Common Retirement Fund
84
New York State Common Retirement Fund
New York
$1.9M +$344K +3,274 +26%
CSS
85
Cubist Systematic Strategies
Connecticut
$1.84M -$4.73M -45,090 -75%
Thrivent Financial for Lutherans
86
Thrivent Financial for Lutherans
Minnesota
$1.81M -$37K -352 -2%
EGM
87
Engineers Gate Manager
New York
$1.71M -$1.12M -10,669 -43%
OLA
88
Oliver Luxxe Assets
New Jersey
$1.67M +$1.45M +13,852 New
PA
89
Pinnacle Associates
New York
$1.58M +$9.97K +95 +0.7%
TI
90
Trexquant Investment
Connecticut
$1.54M +$255K +2,425 +23%
MIM
91
MetLife Investment Management
New Jersey
$1.46M -$29.3K -279 -2%
Renaissance Technologies
92
Renaissance Technologies
New York
$1.44M -$52.5K -500 -4%
SF
93
Synovus Financial
Georgia
$1.42M +$151K +1,435 +14%
Millennium Management
94
Millennium Management
New York
$1.41M -$4.98M -47,462 -80%
KWA
95
Kingswood Wealth Advisors
California
$1.4M -$36.8K -350 -3%
DWM
96
Dakota Wealth Management
Florida
$1.4M +$2.63K +25 +0.2%
SOADOR
97
State of Alaska Department of Revenue
Alaska
$1.36M -$121K -1,152 -9%
AAM
98
Advisors Asset Management
Colorado
$1.32M +$800K +7,615 +231%
NAM
99
NorthCrest Asset Manangement
Minnesota
$1.32M +$320K +3,051 +41%
IMRF
100
Illinois Municipal Retirement Fund
Illinois
$1.32M +$31.5K +300 +3%
2 3
4
5 6

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.