Materion
MTRN
256 hedge funds and large institutions have $1.55B invested in Materion in 2025 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 108 increasing their positions, 77 reducing their positions, and 32 closing their positions.
40% more repeat investments, than reductions
Existing positions increased: 108 | Existing positions reduced: 77
19% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 32
2% more funds holding
Funds holding: 252 → 256 (+4)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
0.94% less ownership
Funds ownership: 94.44% → 93.5% (-0.94%)
3% less capital invested
Capital invested by funds: $1.6B → $1.55B (-$55.4M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
State Street
Boston,
Massachusetts
|
+$22.4M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
+$13M |
| 3 |
Barrow, Hanley, Mewhinney & Strauss
Dallas,
Texas
|
+$9.75M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$5.24M |
| 5 |
AAM
ACK Asset Management
Greenwich,
Connecticut
|
+$5.17M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
-$54.9M |
| 2 |
Natixis Advisors
Boston,
Massachusetts
|
-$8.98M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$7.22M |
| 4 |
BlackRock
New York
|
-$6.25M |
| 5 |
CVA
Ceredex Value Advisors
Orlando,
Florida
|
-$5.39M |
MTRN Hedge Fund Activity: Q2 2025 in Review
256 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Materion (MTRN) for Q2 2025, worth a combined $1.55B — down 3.5% from $1.6B a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new MTRN positions and 32 closed out — a net gain of 6 holders — while 108 added to existing stakes and 77 trimmed.
The largest buyer was State Street, adding an estimated $22.4M. The largest seller was Vaughan Nelson Investment Management, exiting entirely with an estimated $54.9M sold.
- 256 institutional investors held Materion (MTRN) as of Q2 2025, up from 252 in Q1 2025.
- Funds reported $1.55B of Materion stock for Q2 2025, down 3.5% quarter-over-quarter.
- 38 funds opened new Materion positions in Q2 2025 and 32 closed out, a net change of +6 holders.
- The largest Materion buyer in Q2 2025 was State Street, an estimated $22.4M added.
- The largest Materion seller in Q2 2025 was Vaughan Nelson Investment Management, an estimated $54.9M sold.
Based on aggregated 13F filings for Q2 2025.