Citadel Advisors
AOSL icon

Citadel Advisors’s Alpha and Omega Semiconductor AOSL Stock Holding History

Citadel Advisors’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 		$6.04M Buy
127,600
+83,600
+190% +$3.36M ﹤0.01% 4407
2026
Q1 		$975K Buy
44,000
+20,900
+90% +$455K ﹤0.01% 7715
2025
Q4 		$458K Buy
23,100
+1,500
+7% +$35.4K ﹤0.01% 9239
2025
Q3 		$604K Buy
+21,600
New +$600K ﹤0.01% 8666
2025
Q2 		– Sell
-78,300
Closed -$1.95M – 12414
2025
Q1 		$1.95M Buy
78,300
+26,400
+51% +$884K ﹤0.01% 5585
2024
Q4 		$1.92M Buy
51,900
+40,100
+340% +$1.49M ﹤0.01% 5715
2024
Q3 		$438K Buy
11,800
+5,400
+84% +$205K ﹤0.01% 8533
2024
Q2 		$239K Sell
6,400
-3,400
-35% -$89.8K ﹤0.01% 9570
2024
Q1 		$216K Buy
9,800
+2,400
+32% +$58K ﹤0.01% 10153
2023
Q4 		$193K Buy
7,400
+1,000
+16% +$24.7K ﹤0.01% 10012
2023
Q3 		$191K Sell
6,400
-30,200
-83% -$939K ﹤0.01% 9990
2023
Q2 		$1.2M Sell
36,600
-200
-0.5% -$5.38K ﹤0.01% 6078
2023
Q1 		$992K Buy
36,800
+9,700
+36% +$282K ﹤0.01% 6801
2022
Q4 		$774K Sell
27,100
-3,100
-10% -$100K ﹤0.01% 7325
2022
Q3 		$929K Sell
30,200
-23,500
-44% -$870K ﹤0.01% 7155
2022
Q2 		$1.79M Sell
53,700
-92,700
-63% -$3.8M ﹤0.01% 5777
2022
Q1 		$8M Buy
146,400
+39,400
+37% +$2.05M ﹤0.01% 3319
2021
Q4 		$6.48M Buy
107,000
+49,400
+86% +$2.14M ﹤0.01% 3850
2021
Q3 		$1.81M Buy
57,600
+21,000
+57% +$582K ﹤0.01% 6626
2021
Q2 		$1.11M Sell
36,600
-6,600
-15% -$203K ﹤0.01% 8089
2021
Q1 		$1.41M Buy
+43,200
New +$1.42M ﹤0.01% 7247

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

Citadel Advisors's AOSL Position: Q2 2026 in Review

Citadel Advisors increased its Alpha and Omega Semiconductor (AOSL) stake by 8.1% in Q2 2026, buying an estimated $118K and bringing the position to 39,368 shares worth $1.86M. The position accounts for ﹤0.01% of the portfolio, ranked #6719.

Citadel Advisors first reported a position in AOSL in Q4 2013 and has held it in 42 quarters since. The position peaked at $6.84M in Q3 2023. 217 funds tracked by Wall St. Rank hold AOSL as of Q2 2026.

  • Citadel Advisors held 39,368 shares of Alpha and Omega Semiconductor worth $1.86M as of Q2 2026.
  • Citadel Advisors bought 2,934 Alpha and Omega Semiconductor shares in Q2 2026, an estimated $118K.
  • Alpha and Omega Semiconductor made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #6719 holding.
  • Citadel Advisors first reported a position in Alpha and Omega Semiconductor in Q4 2013 and has held it in 42 quarters since.
  • Citadel Advisors's Alpha and Omega Semiconductor position peaked at $6.84M in Q3 2023.
  • 217 funds tracked by Wall St. Rank held Alpha and Omega Semiconductor as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.