SEI Investments’s Alpha and Omega Semiconductor AOSL Stock Holding History

SEI Investments’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	$424K	Sell	8,964 -74,870	-89%	-$3.01M	﹤0.01%	2710
2026 Q1	$1.86M	Buy	83,834 +216	+0.3%	+$4.7K	﹤0.01%	2048
2025 Q4	$1.66M	Sell	83,618 -19,454	-19%	-$459K	﹤0.01%	1945
2025 Q3	$2.88M	Sell	103,072 -672	-0.6%	-$18.7K	﹤0.01%	1543
2025 Q2	$2.66M	Buy	103,744 +19,920	+24%	+$433K	﹤0.01%	1540
2025 Q1	$2.08M	Sell	83,824 -2,260	-3%	-$75.6K	﹤0.01%	1622
2024 Q4	$3.19M	Sell	86,084 -3,388	-4%	-$126K	﹤0.01%	1489
2024 Q3	$3.32M	Sell	89,472 -34,088	-28%	-$1.29M	﹤0.01%	1458
2024 Q2	$4.62M	Buy	123,560 +15,259	+14%	+$403K	0.01%	1261
2024 Q1	$2.39M	Buy	108,301 +36,853	+52%	+$891K	﹤0.01%	1551
2023 Q4	$1.86M	Sell	71,448 -3,337	-4%	-$82.4K	﹤0.01%	1634
2023 Q3	$2.23M	Sell	74,785 -1,501	-2%	-$46.7K	﹤0.01%	1560
2023 Q2	$2.5M	Buy	76,286 +87	+0.1%	+$2.34K	﹤0.01%	1538
2023 Q1	$2.05M	Buy	76,199 +528	+0.7%	+$15.3K	﹤0.01%	1607
2022 Q4	$2.16M	Sell	75,671 -601	-0.8%	-$19.4K	﹤0.01%	1463
2022 Q3	$2.35M	Sell	76,272 -22,594	-23%	-$836K	0.01%	1470
2022 Q2	$3.3M	Buy	98,866 +26,209	+36%	+$1.07M	0.01%	1303
2022 Q1	$3.97M	Buy	72,657 +1,864	+3%	+$97K	0.01%	1228
2021 Q4	$4.29M	Buy	+70,793	New	+$3.07M	0.01%	1208
2019 Q1	–	Sell	-3,799	Closed	-$44K	–	2894
2018 Q4	$44K	Hold	3,799	–	–	﹤0.01%	2370
2018 Q3	$44K	Buy	3,799 +3,699	+3,699%	+$50.8K	﹤0.01%	2254
2018 Q2	$1K	Sell	100 -32	-24%	-$493	﹤0.01%	3426
2018 Q1	$2K	Hold	132	–	–	﹤0.01%	3217
2017 Q4	$2K	Hold	132	–	–	﹤0.01%	3096
2017 Q3	$2K	Hold	132	–	–	﹤0.01%	2966
2017 Q2	$2K	Buy	+132	New	+$2.34K	﹤0.01%	2850
2017 Q1	–	Sell	-846	Closed	-$18K	–	2900
2016 Q4	$18K	Buy	846 +159	+23%	+$3.44K	﹤0.01%	2355
2016 Q3	$15K	Buy	+687	New	+$12.3K	﹤0.01%	2323

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

SEI Investments's AOSL Position: Q2 2026 in Review

SEI Investments reduced its Alpha and Omega Semiconductor (AOSL) stake by 89% in Q2 2026, selling an estimated $3.01M and leaving 8,964 shares worth $424K. The position accounts for ﹤0.01% of the portfolio, ranked #2710.

SEI Investments first reported a position in AOSL in Q3 2016 and has held it in 28 quarters since. The position peaked at $4.62M in Q2 2024. 216 funds tracked by Wall St. Rank hold AOSL as of Q2 2026.

SEI Investments held 8,964 shares of Alpha and Omega Semiconductor worth $424K as of Q2 2026.
SEI Investments sold 74,870 Alpha and Omega Semiconductor shares in Q2 2026, an estimated $3.01M.
Alpha and Omega Semiconductor made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #2710 holding.
SEI Investments first reported a position in Alpha and Omega Semiconductor in Q3 2016 and has held it in 28 quarters since.
SEI Investments's Alpha and Omega Semiconductor position peaked at $4.62M in Q2 2024.
216 funds tracked by Wall St. Rank held Alpha and Omega Semiconductor as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.