State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s MP Materials MP Stock Holding History

State of Wisconsin Investment Board’s Portfolio MP Stock Details MP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$5.67M Sell
101,219
-3,707
-4% -$226K 0.01% 979
2026
Q1 		$5.06M Sell
104,926
-3,003
-3% -$180K 0.01% 977
2025
Q4 		$5.45M Sell
107,929
-34,824
-24% -$2.21M 0.01% 969
2025
Q3 		$9.57M Buy
142,753
+14,193
+11% +$893K 0.02% 665
2025
Q2 		$4.28M Sell
128,560
-5,124
-4% -$131K 0.01% 991
2025
Q1 		$3.26M Sell
133,684
-12,698
-9% -$295K 0.01% 1072
2024
Q4 		$2.28M Buy
146,382
+14,971
+11% +$278K 0.01% 1239
2024
Q3 		$2.32M Sell
131,411
-85,616
-39% -$1.16M 0.01% 1253
2024
Q2 		$2.76M Buy
217,027
+78,676
+57% +$1.24M 0.01% 1167
2024
Q1 		$1.98M Sell
138,351
-17,380
-11% -$275K 0.01% 1252
2023
Q4 		$3.09M Buy
155,731
+94,626
+155% +$1.61M 0.01% 1127
2023
Q3 		$1.17M Buy
61,105
+2,736
+5% +$60.7K ﹤0.01% 1359
2023
Q2 		$1.34M Sell
58,369
-2,337
-4% -$53.6K ﹤0.01% 1390
2023
Q1 		$1.71M Sell
60,706
-953
-2% -$28.8K 0.01% 1345
2022
Q4 		$1.5M Sell
61,659
-4,848
-7% -$147K ﹤0.01% 1388
2022
Q3 		$1.82M Sell
66,507
-5,146
-7% -$168K 0.01% 1362
2022
Q2 		$2.3M Sell
71,653
-53,047
-43% -$2.14M 0.01% 1331
2022
Q1 		$7.15M Hold
124,700
– – 0.01% 971
2021
Q4 		$5.66M Hold
124,700
– – 0.01% 995
2021
Q3 		$4.02M Hold
124,700
– – 0.01% 1099
2021
Q2 		$4.6M Buy
+124,700
New +$3.88M 0.01% 1074

Other funds holding MP

HP
Hancock Prospecting West Perth, Australia $5.71B AUM 63.42% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

State of Wisconsin Investment Board's MP Position: Q2 2026 in Review

State of Wisconsin Investment Board reduced its MP Materials (MP) stake by 3.5% in Q2 2026, selling an estimated $226K and leaving 101,219 shares worth $5.67M. The position accounts for 0.01% of the portfolio, ranked #979.

State of Wisconsin Investment Board first reported a position in MP in Q2 2021 and has held it in 21 quarters since. The position peaked at $9.57M in Q3 2025. 751 funds tracked by Wall St. Rank hold MP as of Q2 2026.

  • State of Wisconsin Investment Board held 101,219 shares of MP Materials worth $5.67M as of Q2 2026.
  • State of Wisconsin Investment Board sold 3,707 MP Materials shares in Q2 2026, an estimated $226K.
  • MP Materials made up 0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #979 holding.
  • State of Wisconsin Investment Board first reported a position in MP Materials in Q2 2021 and has held it in 21 quarters since.
  • State of Wisconsin Investment Board's MP Materials position peaked at $9.57M in Q3 2025.
  • 751 funds tracked by Wall St. Rank held MP Materials as of Q2 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.