Oak Associates’s Advanced Energy AEIS Stock Holding History

Oak Associates’s Portfolio AEIS Stock Details AEIS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.61M	Sell	8,091 -16,923	-68%	-$4.9M	0.18%	71
2025 Q4	$5.24M	Sell	25,014 -1,937	-7%	-$394K	0.31%	46
2025 Q3	$4.58M	Sell	26,951 -131	-0.5%	-$19.7K	0.28%	49
2025 Q2	$3.59M	Sell	27,082 -1,166	-4%	-$128K	0.23%	58
2025 Q1	$2.69M	Sell	28,248 -80	-0.3%	-$9.14K	0.2%	61
2024 Q4	$3.28M	Hold	28,328	–	–	0.23%	53
2024 Q3	$2.98M	Hold	28,328	–	–	0.2%	57
2024 Q2	$3.08M	Hold	28,328	–	–	0.2%	57
2024 Q1	$2.89M	Hold	28,328	–	–	0.2%	57
2023 Q4	$3.09M	Hold	28,328	–	–	0.23%	57
2023 Q3	$2.92M	Sell	28,328 -2,417	-8%	-$271K	0.24%	57
2023 Q2	$3.43M	Sell	30,745 -2,337	-7%	-$223K	0.27%	55
2023 Q1	$3.24M	Hold	33,082	–	–	0.27%	57
2022 Q4	$2.84M	Sell	33,082 -4,073	-11%	-$342K	0.24%	65
2022 Q3	$2.88M	Hold	37,155	–	–	0.24%	58
2022 Q2	$2.71M	Hold	37,155	–	–	0.21%	62
2022 Q1	$3.2M	Buy	37,155 +1,353	+4%	+$117K	0.2%	60
2021 Q4	$3.26M	Buy	35,802 +5,232	+17%	+$465K	0.17%	63
2021 Q3	$2.68M	Hold	30,570	–	–	0.15%	66
2021 Q2	$3.45M	Buy	30,570 +4,165	+16%	+$441K	0.2%	60
2021 Q1	$2.88M	Hold	26,405	–	–	0.17%	66
2020 Q4	$2.56M	Sell	26,405 -575	-2%	-$48.9K	0.15%	65
2020 Q3	$1.7M	Buy	26,980 +4,000	+17%	+$279K	0.11%	77
2020 Q2	$1.56M	Hold	22,980	–	–	0.1%	79
2020 Q1	$1.11M	Sell	22,980 -50	-0.2%	-$3.17K	0.09%	86
2019 Q4	$1.64M	Hold	23,030	–	–	0.1%	88
2019 Q3	$1.32M	Hold	23,030	–	–	0.08%	92
2019 Q2	$1.3M	Hold	23,030	–	–	0.08%	96
2019 Q1	$1.14M	Buy	23,030 +13,560	+143%	+$659K	0.07%	104
2018 Q4	$407K	Buy	9,470 +2,010	+27%	+$89.5K	0.03%	132
2018 Q3	$385K	Hold	7,460	–	–	0.02%	152
2018 Q2	$433K	Hold	7,460	–	–	0.03%	142
2018 Q1	$477K	Sell	7,460 -2,610	-26%	-$180K	0.03%	129
2017 Q4	$680K	Hold	10,070	–	–	0.05%	116
2017 Q3	$813K	Hold	10,070	–	–	0.06%	122
2017 Q2	$651K	Sell	10,070 -2,580	-20%	-$189K	0.05%	126
2017 Q1	$867K	Sell	12,650 -2,700	-18%	-$167K	0.07%	120
2016 Q4	$840K	Hold	15,350	–	–	0.08%	119
2016 Q3	$732K	Hold	15,350	–	–	0.08%	126
2016 Q2	$583K	Hold	15,350	–	–	0.07%	123
2016 Q1	$534K	Hold	15,350	–	–	0.07%	121
2015 Q4	$433K	Hold	15,350	–	–	0.05%	131
2015 Q3	$404K	Sell	15,350 -17,000	-53%	-$439K	0.05%	124
2015 Q2	$889K	Buy	32,350 +17,000	+111%	+$461K	0.11%	116
2015 Q1	$394K	Hold	15,350	–	–	0.05%	143
2014 Q4	$364K	Hold	15,350	–	–	0.04%	148
2014 Q3	$288K	Buy	+15,350	New	+$283K	0.04%	159

Other funds holding AEIS

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

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

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Oak Associates's AEIS Position: Q1 2026 in Review

Oak Associates reduced its Advanced Energy (AEIS) stake by 68% in Q1 2026, selling an estimated $4.9M and leaving 8,091 shares worth $2.61M. The position accounts for 0.18% of the portfolio, ranked #71.

Oak Associates first reported a position in AEIS in Q3 2014 and has held it in 47 quarters since. The position peaked at $5.24M in Q4 2025. 575 funds tracked by Wall St. Rank hold AEIS as of Q1 2026.

Oak Associates held 8,091 shares of Advanced Energy worth $2.61M as of Q1 2026.
Oak Associates sold 16,923 Advanced Energy shares in Q1 2026, an estimated $4.9M.
Advanced Energy made up 0.18% of Oak Associates's portfolio in Q1 2026, its #71 holding.
Oak Associates first reported a position in Advanced Energy in Q3 2014 and has held it in 47 quarters since.
Oak Associates's Advanced Energy position peaked at $5.24M in Q4 2025.
575 funds tracked by Wall St. Rank held Advanced Energy as of Q1 2026.

Based on Oak Associates's 13F filing for Q1 2026, filed 14 May 2026.