Cornerstone Investment Partners’s Alpha and Omega Semiconductor AOSL Stock Holding History

Cornerstone Investment Partners’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	$242K	Buy	+5,107	New	+$205K	0.01%	250
2024 Q3	–	Sell	-6,022	Closed	-$225K	–	227
2024 Q2	$225K	Buy	+6,022	New	+$159K	0.01%	151
2022 Q2	–	Sell	-4,454	Closed	-$243K	–	200
2022 Q1	$243K	Buy	4,454 +29	+0.7%	+$1.51K	0.01%	161
2021 Q4	$268K	Buy	+4,425	New	+$192K	0.01%	160
2021 Q3	–	Sell	-7,176	Closed	-$218K	–	216
2021 Q2	$218K	Hold	7,176	–	–	0.01%	240
2021 Q1	$235K	Buy	+7,176	New	+$236K	0.01%	196

Other funds holding AOSL

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $52.8B AUM 58.98% 1-Year Est. Return

Cornerstone Investment Partners's AOSL Position: Q2 2026 in Review

Cornerstone Investment Partners opened a new position in Alpha and Omega Semiconductor (AOSL) in Q2 2026: 5,107 shares worth $242K. The stake represents 0.01% of the portfolio and ranks #250 among its holdings. This is a return to the name: Cornerstone Investment Partners previously reported a position in AOSL as recently as Q2 2024.

Cornerstone Investment Partners first reported a position in AOSL in Q1 2021 and has held it in 6 quarters since. The position peaked at $268K in Q4 2021. 216 funds tracked by Wall St. Rank hold AOSL as of Q2 2026.

Cornerstone Investment Partners held 5,107 shares of Alpha and Omega Semiconductor worth $242K as of Q2 2026.
Alpha and Omega Semiconductor was a new Cornerstone Investment Partners position in Q2 2026.
Alpha and Omega Semiconductor made up 0.01% of Cornerstone Investment Partners's portfolio in Q2 2026, its #250 holding.
Cornerstone Investment Partners first reported a position in Alpha and Omega Semiconductor in Q1 2021 and has held it in 6 quarters since.
Cornerstone Investment Partners's Alpha and Omega Semiconductor position peaked at $268K in Q4 2021.
216 funds tracked by Wall St. Rank held Alpha and Omega Semiconductor as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.