AllianceBernstein’s Alpha and Omega Semiconductor AOSL Stock Holding History

AllianceBernstein’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 Q1	$406K	Sell	20,500 -2,800	-12%	-$60.9K	﹤0.01%	2743
2025 Q4	$462K	Sell	23,300 -8,790	-27%	-$208K	﹤0.01%	2694
2025 Q3	$897K	Hold	32,090	–	–	﹤0.01%	2394
2025 Q2	$823K	Sell	32,090 -67	-0.2%	-$1.46K	﹤0.01%	2395
2025 Q1	$799K	Hold	32,157	–	–	﹤0.01%	2347
2024 Q4	$1.19M	Buy	32,157 +157	+0.5%	+$5.85K	﹤0.01%	2244
2024 Q3	$1.19M	Buy	32,000 +2,680	+9%	+$102K	﹤0.01%	2228
2024 Q2	$1.1M	Buy	29,320 +4,280	+17%	+$113K	﹤0.01%	2250
2024 Q1	$552K	Buy	25,040 +5,990	+31%	+$145K	﹤0.01%	2542
2023 Q4	$496K	Buy	19,050 +300	+2%	+$7.41K	﹤0.01%	2613
2023 Q3	$560K	Buy	18,750 +2,150	+13%	+$66.9K	﹤0.01%	2515
2023 Q2	$544K	Sell	16,600 -4,400	-21%	-$118K	﹤0.01%	2590
2023 Q1	$566K	Sell	21,000 -3,276	-13%	-$95.1K	﹤0.01%	2509
2022 Q4	$694K	Buy	24,276 +24	+0.1%	+$776	﹤0.01%	2471
2022 Q3	$746K	Buy	24,252 +803	+3%	+$29.7K	﹤0.01%	2446
2022 Q2	$782K	Buy	23,449 +3,149	+16%	+$129K	﹤0.01%	2472
2022 Q1	$1.11M	Buy	20,300 +10,800	+114%	+$562K	﹤0.01%	2392
2021 Q4	$575K	Hold	9,500	–	–	﹤0.01%	2670
2021 Q3	$298K	Sell	9,500 -2,300	-19%	-$63.7K	﹤0.01%	2953
2021 Q2	$359K	Hold	11,800	–	–	﹤0.01%	2957
2021 Q1	$386K	Sell	11,800 -4,200	-26%	-$138K	﹤0.01%	2792
2020 Q4	$378K	Sell	16,000 -12,400	-44%	-$253K	﹤0.01%	2735
2020 Q3	$364K	Sell	28,400 -1,800	-6%	-$21.7K	﹤0.01%	2705
2020 Q2	$329K	Buy	30,200 +5,604	+23%	+$57.4K	﹤0.01%	2841
2020 Q1	$158K	Buy	24,596 +4,096	+20%	+$44.5K	﹤0.01%	2853
2019 Q4	$279K	Hold	20,500	–	–	﹤0.01%	2804
2019 Q3	$252K	Sell	20,500 -100	-0.5%	-$1.1K	﹤0.01%	2859
2019 Q2	$192K	Sell	20,600 -300	-1%	-$3.13K	﹤0.01%	2979
2019 Q1	$241K	Buy	20,900 +3,400	+19%	+$37.6K	﹤0.01%	2845
2018 Q4	$178K	Buy	17,500 +1,100	+7%	+$11.3K	﹤0.01%	2913
2018 Q3	$191K	Hold	16,400	–	–	﹤0.01%	3000
2018 Q2	$234K	Buy	16,400 +1,000	+6%	+$15.4K	﹤0.01%	2902
2018 Q1	$238K	Buy	15,400 +1,800	+13%	+$29.1K	﹤0.01%	2783
2017 Q4	$222K	Hold	13,600	–	–	﹤0.01%	2830
2017 Q3	$224K	Hold	13,600	–	–	﹤0.01%	2884
2017 Q2	$227K	Buy	+13,600	New	+$241K	﹤0.01%	2932
2015 Q2	–	Sell	-1,700	Closed	-$15K	–	3008
2015 Q1	$15K	Hold	1,700	–	–	﹤0.01%	3306
2014 Q4	$15K	Sell	1,700 -36,225	-96%	-$324K	﹤0.01%	3263
2014 Q3	$356K	Sell	37,925 -3,000	-7%	-$28.4K	﹤0.01%	2612
2014 Q2	$379K	Buy	40,925 +700	+2%	+$5.55K	﹤0.01%	2605
2014 Q1	$296K	Sell	40,225 -400	-1%	-$2.96K	﹤0.01%	2630
2013 Q4	$313K	Sell	40,625 -600	-1%	-$4.61K	﹤0.01%	2657
2013 Q3	$347K	Sell	41,225 -1,400	-3%	-$11K	﹤0.01%	2662
2013 Q2	$326K	Buy	+42,625	New	+$343K	﹤0.01%	2681

Other funds holding AOSL

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

AllianceBernstein's AOSL Position: Q1 2026 in Review

AllianceBernstein reduced its Alpha and Omega Semiconductor (AOSL) stake by 12% in Q1 2026, selling an estimated $60.9K and leaving 20,500 shares worth $406K. The position accounts for ﹤0.01% of the portfolio, ranked #2743.

AllianceBernstein first reported a position in AOSL in Q2 2013 and has held it in 44 quarters since. The position peaked at $1.19M in Q4 2024. 180 funds tracked by Wall St. Rank hold AOSL as of Q1 2026.

AllianceBernstein held 20,500 shares of Alpha and Omega Semiconductor worth $406K as of Q1 2026.
AllianceBernstein sold 2,800 Alpha and Omega Semiconductor shares in Q1 2026, an estimated $60.9K.
Alpha and Omega Semiconductor made up ﹤0.01% of AllianceBernstein's portfolio in Q1 2026, its #2743 holding.
AllianceBernstein first reported a position in Alpha and Omega Semiconductor in Q2 2013 and has held it in 44 quarters since.
AllianceBernstein's Alpha and Omega Semiconductor position peaked at $1.19M in Q4 2024.
180 funds tracked by Wall St. Rank held Alpha and Omega Semiconductor as of Q1 2026.

Based on AllianceBernstein's 13F filing for Q1 2026, filed 15 May 2026.