State of Wisconsin Investment Board
MTRN icon

State of Wisconsin Investment Board’s Materion MTRN Stock Holding History

State of Wisconsin Investment Board’s Portfolio MTRN Stock Details MTRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$618K Buy
4,271
+811
+23% +$118K ﹤0.01% 1888
2025
Q4 		$430K Sell
3,460
-431
-11% -$53.1K ﹤0.01% 2018
2025
Q3 		$470K Sell
3,891
-1,317
-25% -$138K ﹤0.01% 1928
2025
Q2 		$413K Sell
5,208
-851
-14% -$67.1K ﹤0.01% 1945
2025
Q1 		$494K Buy
6,059
+825
+16% +$77.7K ﹤0.01% 1764
2024
Q4 		$518K Buy
5,234
+866
+20% +$94.1K ﹤0.01% 1795
2024
Q3 		$489K Buy
4,368
+200
+5% +$22.2K ﹤0.01% 1879
2024
Q2 		$451K Sell
4,168
-766
-16% -$88K ﹤0.01% 1877
2024
Q1 		$650K Buy
4,934
+2,978
+152% +$377K ﹤0.01% 1615
2023
Q4 		$255K Sell
1,956
-3,694
-65% -$405K ﹤0.01% 2113
2023
Q3 		$576K Buy
+5,650
New +$617K ﹤0.01% 1675
2023
Q2 		– Sell
-2,585
Closed -$300K – 2459
2023
Q1 		$300K Buy
2,585
+28
+1% +$2.81K ﹤0.01% 2098
2022
Q4 		$224K Sell
2,557
-1,265
-33% -$103K ﹤0.01% 2211
2022
Q3 		$306K Sell
3,822
-1,355
-26% -$112K ﹤0.01% 2213
2022
Q2 		$382K Buy
+5,177
New +$416K ﹤0.01% 2213

Other funds holding MTRN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AAM
ACK Asset Management Greenwich, Connecticut $801M AUM 60.42% 1-Year Est. Return

State of Wisconsin Investment Board's MTRN Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its Materion (MTRN) stake by 23% in Q1 2026, buying an estimated $118K and bringing the position to 4,271 shares worth $618K. The position accounts for ﹤0.01% of the portfolio, ranked #1888.

State of Wisconsin Investment Board first reported a position in MTRN in Q2 2022 and has held it in 15 quarters since. The position peaked at $650K in Q1 2024. 334 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.

  • State of Wisconsin Investment Board held 4,271 shares of Materion worth $618K as of Q1 2026.
  • State of Wisconsin Investment Board bought 811 Materion shares in Q1 2026, an estimated $118K.
  • Materion made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1888 holding.
  • State of Wisconsin Investment Board first reported a position in Materion in Q2 2022 and has held it in 15 quarters since.
  • State of Wisconsin Investment Board's Materion position peaked at $650K in Q1 2024.
  • 334 funds tracked by Wall St. Rank held Materion as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.