State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Orion OEC Stock Holding History

State of Wisconsin Investment Board’s Portfolio OEC Stock Details OEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-273,895
Closed -$2.08M – 2506
2025
Q3 		$2.08M Sell
273,895
-44,875
-14% -$454K ﹤0.01% 1347
2025
Q2 		$3.34M Buy
318,770
+46,749
+17% +$529K 0.01% 1079
2025
Q1 		$3.52M Buy
272,021
+5,349
+2% +$75.6K 0.01% 1044
2024
Q4 		$4.21M Buy
266,672
+19,940
+8% +$337K 0.01% 1016
2024
Q3 		$4.39M Hold
246,732
– – 0.01% 1006
2024
Q2 		$5.41M Sell
246,732
-1,889
-0.8% -$45.5K 0.01% 883
2024
Q1 		$5.85M Sell
248,621
-30,192
-11% -$698K 0.02% 897
2023
Q4 		$7.73M Buy
278,813
+36,766
+15% +$844K 0.02% 768
2023
Q3 		$5.15M Sell
242,047
-18,373
-7% -$401K 0.02% 908
2023
Q2 		$5.53M Sell
260,420
-121,254
-32% -$2.92M 0.02% 918
2023
Q1 		$9.96M Sell
381,674
-77,105
-17% -$1.74M 0.03% 585
2022
Q4 		$8.17M Sell
458,779
-23,652
-5% -$398K 0.03% 673
2022
Q3 		$6.44M Buy
482,431
+2,799
+0.6% +$45.5K 0.02% 798
2022
Q2 		$7.45M Buy
479,632
+24,932
+5% +$418K 0.02% 780
2022
Q1 		$7.26M Buy
+454,700
New +$7.83M 0.02% 962

Other funds holding OEC

Pzena Investment Management
Pzena Investment Management New York $30.8B AUM 11.29% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DCM
Divisar Capital Management San Francisco, California $392M AUM 108.45% 1-Year Est. Return
HP
Harvey Partners Tarrytown, New York $1.26B AUM 64.44% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

State of Wisconsin Investment Board's OEC Position: Q4 2025 in Review

State of Wisconsin Investment Board sold out of Orion (OEC) in Q4 2025, closing a stake of 273,895 shares — an estimated $2.08M sold.

State of Wisconsin Investment Board first reported a position in OEC in Q1 2022 and held it in 15 quarters. The position peaked at $9.96M in Q1 2023. 174 funds tracked by Wall St. Rank hold OEC as of Q4 2025.

  • State of Wisconsin Investment Board reported no remaining Orion position as of Q4 2025 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 273,895 Orion shares in Q4 2025, an estimated $2.08M.
  • State of Wisconsin Investment Board first reported a position in Orion in Q1 2022 and held it in 15 quarters.
  • State of Wisconsin Investment Board's Orion position peaked at $9.96M in Q1 2023.
  • 174 funds tracked by Wall St. Rank held Orion as of Q4 2025.

Based on State of Wisconsin Investment Board's 13F filing for Q4 2025, filed 17 Feb 2026.