State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Minerals Technologies MTX Stock Holding History

State of Wisconsin Investment Board’s Portfolio MTX Stock Details MTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$215K Buy
+3,030
New +$208K ﹤0.01% 2333
2025
Q4 		– Sell
-3,333
Closed -$207K – 2497
2025
Q3 		$207K Sell
3,333
-13,653
-80% -$833K ﹤0.01% 2250
2025
Q2 		$935K Buy
16,986
+6,578
+63% +$371K ﹤0.01% 1605
2025
Q1 		$662K Sell
10,408
-1,844
-15% -$132K ﹤0.01% 1638
2024
Q4 		$934K Sell
12,252
-140
-1% -$11K ﹤0.01% 1557
2024
Q3 		$957K Buy
12,392
+5,200
+72% +$401K ﹤0.01% 1577
2024
Q2 		$598K Sell
7,192
-3,487
-33% -$276K ﹤0.01% 1737
2024
Q1 		$804K Buy
10,679
+7,593
+246% +$533K ﹤0.01% 1502
2023
Q4 		$220K Sell
3,086
-72,714
-96% -$4.31M ﹤0.01% 2171
2023
Q3 		$4.15M Sell
75,800
-15,268
-17% -$871K 0.01% 1011
2023
Q2 		$5.25M Sell
91,068
-1,414
-2% -$82.3K 0.01% 949
2023
Q1 		$5.59M Buy
92,482
+520
+0.6% +$32.4K 0.02% 893
2022
Q4 		$5.58M Sell
91,962
-2,078
-2% -$118K 0.02% 876
2022
Q3 		$4.65M Sell
94,040
-2,215
-2% -$135K 0.01% 971
2022
Q2 		$5.9M Buy
96,255
+8,355
+10% +$534K 0.02% 918
2022
Q1 		$5.82M Buy
+87,900
New +$6.08M 0.01% 1082

Other funds holding MTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return

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

State of Wisconsin Investment Board opened a new position in Minerals Technologies (MTX) in Q1 2026: 3,030 shares worth $215K. The stake represents ﹤0.01% of the portfolio and ranks #2333 among its holdings. This is a return to the name: State of Wisconsin Investment Board previously reported a position in MTX as recently as Q3 2025.

State of Wisconsin Investment Board first reported a position in MTX in Q1 2022 and has held it in 16 quarters since. The position peaked at $5.9M in Q2 2022. 280 funds tracked by Wall St. Rank hold MTX as of Q1 2026.

  • State of Wisconsin Investment Board held 3,030 shares of Minerals Technologies worth $215K as of Q1 2026.
  • Minerals Technologies was a new State of Wisconsin Investment Board position in Q1 2026.
  • Minerals Technologies made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2333 holding.
  • State of Wisconsin Investment Board first reported a position in Minerals Technologies in Q1 2022 and has held it in 16 quarters since.
  • State of Wisconsin Investment Board's Minerals Technologies position peaked at $5.9M in Q2 2022.
  • 280 funds tracked by Wall St. Rank held Minerals Technologies as of Q1 2026.

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