State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Energy Recovery ERII Stock Holding History

State of Wisconsin Investment Board’s Portfolio ERII Stock Details ERII Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-53,126
Closed -$535K – 2589
2026
Q1 		$535K Sell
53,126
-60,540
-53% -$792K ﹤0.01% 1962
2025
Q4 		$1.53M Sell
113,666
-22,630
-17% -$343K ﹤0.01% 1508
2025
Q3 		$2.1M Hold
136,296
– – ﹤0.01% 1338
2025
Q2 		$1.74M Sell
136,296
-4,141
-3% -$56.1K ﹤0.01% 1363
2025
Q1 		$2.23M Buy
140,437
+2,376
+2% +$36.1K 0.01% 1194
2024
Q4 		$2.03M Buy
138,061
+9,821
+8% +$168K 0.01% 1282
2024
Q3 		$2.23M Hold
128,240
– – 0.01% 1268
2024
Q2 		$1.7M Sell
128,240
-1,976
-2% -$27.2K ﹤0.01% 1364
2024
Q1 		$2.06M Sell
130,216
-15,963
-11% -$254K 0.01% 1242
2023
Q4 		$2.75M Buy
146,179
+30,436
+26% +$565K 0.01% 1154
2023
Q3 		$2.45M Sell
115,743
-2,928
-2% -$78.2K 0.01% 1190
2023
Q2 		$3.32M Sell
118,671
-2,345
-2% -$58.5K 0.01% 1144
2023
Q1 		$2.79M Sell
121,016
-15,142
-11% -$333K 0.01% 1208
2022
Q4 		$2.79M Sell
136,158
-3,226
-2% -$70.6K 0.01% 1210
2022
Q3 		$3.03M Sell
139,384
-2,850
-2% -$64.2K 0.01% 1188
2022
Q2 		$2.76M Buy
142,234
+12,334
+9% +$239K 0.01% 1276
2022
Q1 		$2.62M Buy
129,900
+7,000
+6% +$136K 0.01% 1415
2021
Q4 		$2.64M Hold
122,900
– – 0.01% 1198
2021
Q3 		$2.34M Buy
122,900
+6,900
+6% +$140K ﹤0.01% 1250
2021
Q2 		$2.64M Buy
116,000
+30,811
+36% +$607K 0.01% 1222
2021
Q1 		$1.56M Buy
+85,189
New +$1.36M ﹤0.01% 1275
2020
Q3 		– Sell
-11,300
Closed -$86K – 1964
2020
Q2 		$86K Buy
11,300
+300
+3% +$2.38K ﹤0.01% 1671
2020
Q1 		$82K Buy
+11,000
New +$104K ﹤0.01% 1659

Other funds holding ERII

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Amundi
Amundi Paris, France $416B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return

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

State of Wisconsin Investment Board sold out of Energy Recovery (ERII) in Q2 2026, closing a stake of 53,126 shares — an estimated $535K sold.

State of Wisconsin Investment Board first reported a position in ERII in Q1 2020 and held it in 23 quarters. The position peaked at $3.32M in Q2 2023. 200 funds tracked by Wall St. Rank hold ERII as of Q2 2026.

  • State of Wisconsin Investment Board reported no remaining Energy Recovery position as of Q2 2026 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 53,126 Energy Recovery shares in Q2 2026, an estimated $535K.
  • State of Wisconsin Investment Board first reported a position in Energy Recovery in Q1 2020 and held it in 23 quarters.
  • State of Wisconsin Investment Board's Energy Recovery position peaked at $3.32M in Q2 2023.
  • 200 funds tracked by Wall St. Rank held Energy Recovery as of Q2 2026.

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