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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
Fisher Asset Management
26
Fisher Asset Management
Washington
$18M +$2.26M +21,529 +17%
N
27
Nuveen
North Carolina
$14.1M +$5.67M +53,987 +86%
Principal Financial Group
28
Principal Financial Group
Iowa
$12.1M -$327K -3,111 -3%
RA
29
Royce & Associates
New York
$11.8M +$10.2M +97,500 New
GIM
30
Granahan Investment Management
Massachusetts
$11.4M -$2.81M -26,729 -22%
Bank of America
31
Bank of America
North Carolina
$11.1M +$4.8M +45,689 +99%
Ameriprise
32
Ameriprise
Minnesota
$10.6M +$621K +5,917 +7%
Goldman Sachs
33
Goldman Sachs
New York
$10M +$1.09M +10,379 +14%
Envestnet Asset Management
34
Envestnet Asset Management
Illinois
$9.93M -$51.8K -493 -0.6%
Public Sector Pension Investment Board (PSP Investments)
35
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$9.77M +$1.04M +9,931 +14%
HA
36
Heartland Advisors
Wisconsin
$9.72M -$1.09M -10,403 -11%
IIM
37
INTECH Investment Management
Florida
$9.43M -$2.87M -27,363 -26%
Invesco
38
Invesco
Georgia
$8.8M +$910K +8,668 +14%
GJL
39
Gendell Jeffrey L
$8.61M +$1.05M +10,000 +16%
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$8.26M +$18K +171 +0.3%
HighTower Advisors
41
HighTower Advisors
Illinois
$7.66M +$234K +2,227 +4%
CVA
42
Ceredex Value Advisors
Florida
$7.6M -$3.1M -29,475 -32%
PFC
43
Phocas Financial Corp
California
$7.55M +$2.63M +25,063 +67%
SEI Investments
44
SEI Investments
Pennsylvania
$7.29M +$576K +5,490 +10%
ProShare Advisors
45
ProShare Advisors
Maryland
$7.14M -$2.15M -20,488 -26%
Legal & General Group
46
Legal & General Group
United Kingdom
$6.68M -$222K -2,111 -4%
SCP
47
SailingStone Capital Partners
Texas
$6.35M – – –
Wells Fargo
48
Wells Fargo
California
$6.34M +$1.68M +15,993 +44%
LK
49
Lumbard & Kellner
New Hampshire
$6.32M – – –
MOACM
50
Mutual of America Capital Management
New York
$6.29M -$344K -3,273 -6%
1
2
3 4 5

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.