State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Alpha and Omega Semiconductor AOSL Stock Holding History

State of Wisconsin Investment Board’s Portfolio AOSL Stock Details AOSL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-78,503
Closed -$1.74M – 2537
2026
Q1 		$1.74M Buy
78,503
+38,735
+97% +$843K ﹤0.01% 1455
2025
Q4 		$788K Sell
39,768
-17,153
-30% -$405K ﹤0.01% 1767
2025
Q3 		$1.59M Sell
56,921
-29,870
-34% -$829K ﹤0.01% 1448
2025
Q2 		$2.23M Buy
86,791
+19,919
+30% +$433K 0.01% 1258
2025
Q1 		$1.66M Buy
66,872
+49,321
+281% +$1.65M ﹤0.01% 1307
2024
Q4 		$650K Buy
17,551
+9,432
+116% +$352K ﹤0.01% 1691
2024
Q3 		$301K Sell
8,119
-3,120
-28% -$118K ﹤0.01% 2050
2024
Q2 		$420K Buy
+11,239
New +$297K ﹤0.01% 1908
2024
Q1 		– Sell
-23,232
Closed -$605K – 2225
2023
Q4 		$605K Buy
23,232
+2,977
+15% +$73.5K ﹤0.01% 1615
2023
Q3 		$604K Sell
20,255
-8,301
-29% -$258K ﹤0.01% 1643
2023
Q2 		$937K Sell
28,556
-2,177
-7% -$58.6K ﹤0.01% 1480
2023
Q1 		$828K Buy
+30,733
New +$892K ﹤0.01% 1556
2022
Q4 		– Sell
-21,387
Closed -$658K – 2505
2022
Q3 		$658K Sell
21,387
-21,789
-50% -$806K ﹤0.01% 1815
2022
Q2 		$1.44M Sell
43,176
-9,592
-18% -$393K ﹤0.01% 1468
2022
Q1 		$2.88M Sell
52,768
-6,000
-10% -$312K 0.01% 1380
2021
Q4 		$3.56M Buy
58,768
+1,800
+3% +$77.9K 0.01% 1132
2021
Q3 		$1.79M Buy
56,968
+8,400
+17% +$233K ﹤0.01% 1308
2021
Q2 		$1.48M Buy
48,568
+2,900
+6% +$89.1K ﹤0.01% 1352
2021
Q1 		$1.49M Buy
45,668
+19,800
+77% +$650K ﹤0.01% 1282
2020
Q4 		$612K Sell
25,868
-6,932
-21% -$142K ﹤0.01% 1467
2020
Q3 		$420K Buy
+32,800
New +$396K ﹤0.01% 1540

Other funds holding AOSL

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
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $52.8B AUM 58.98% 1-Year Est. Return

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

State of Wisconsin Investment Board sold out of Alpha and Omega Semiconductor (AOSL) in Q2 2026, closing a stake of 78,503 shares — an estimated $1.74M sold.

State of Wisconsin Investment Board first reported a position in AOSL in Q3 2020 and held it in 21 quarters. The position peaked at $3.56M in Q4 2021. 216 funds tracked by Wall St. Rank hold AOSL as of Q2 2026.

  • State of Wisconsin Investment Board reported no remaining Alpha and Omega Semiconductor position as of Q2 2026 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 78,503 Alpha and Omega Semiconductor shares in Q2 2026, an estimated $1.74M.
  • State of Wisconsin Investment Board first reported a position in Alpha and Omega Semiconductor in Q3 2020 and held it in 21 quarters.
  • State of Wisconsin Investment Board's Alpha and Omega Semiconductor position peaked at $3.56M in Q4 2021.
  • 216 funds tracked by Wall St. Rank held Alpha and Omega Semiconductor as of Q2 2026.

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