Marshall Wace’s Alpha and Omega Semiconductor AOSL Stock Holding History

Marshall Wace’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	$284K	Sell	6,000 -14,400	-71%	-$578K	﹤0.01%	2743
2026 Q1	$452K	Buy	+20,400	New	+$444K	﹤0.01%	2495
2025 Q4	–	Sell	-12,218	Closed	-$342K	–	2929
2025 Q3	$342K	Buy	+12,218	New	+$339K	﹤0.01%	2377
2023 Q4	–	Sell	-11,094	Closed	-$331K	–	2148
2023 Q3	$331K	Buy	+11,094	New	+$345K	﹤0.01%	1850
2023 Q1	–	Sell	-24,068	Closed	-$688K	–	2625
2022 Q4	$688K	Buy	+24,068	New	+$779K	﹤0.01%	2245
2021 Q3	–	Sell	-18,552	Closed	-$564K	–	2990
2021 Q2	$564K	Buy	+18,552	New	+$570K	﹤0.01%	2077
2019 Q4	–	Sell	-31,378	Closed	-$385K	–	1672
2019 Q3	$385K	Buy	31,378 +19,748	+170%	+$218K	﹤0.01%	1159
2019 Q2	$109K	Buy	11,630 +3,431	+42%	+$35.7K	﹤0.01%	1270
2019 Q1	$95K	Sell	8,199 -17,102	-68%	-$189K	﹤0.01%	1440
2018 Q4	$258K	Buy	+25,301	New	+$261K	﹤0.01%	1240

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

Marshall Wace's AOSL Position: Q2 2026 in Review

Marshall Wace reduced its Alpha and Omega Semiconductor (AOSL) stake by 71% in Q2 2026, selling an estimated $578K and leaving 6,000 shares worth $284K. The position accounts for ﹤0.01% of the portfolio, ranked #2743.

Marshall Wace first reported a position in AOSL in Q4 2018 and has held it in 10 quarters since. The position peaked at $688K in Q4 2022. 217 funds tracked by Wall St. Rank hold AOSL as of Q2 2026.

Marshall Wace held 6,000 shares of Alpha and Omega Semiconductor worth $284K as of Q2 2026.
Marshall Wace sold 14,400 Alpha and Omega Semiconductor shares in Q2 2026, an estimated $578K.
Alpha and Omega Semiconductor made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2743 holding.
Marshall Wace first reported a position in Alpha and Omega Semiconductor in Q4 2018 and has held it in 10 quarters since.
Marshall Wace's Alpha and Omega Semiconductor position peaked at $688K in Q4 2022.
217 funds tracked by Wall St. Rank held Alpha and Omega Semiconductor as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.