Fox Run Management’s Advanced Energy AEIS Stock Holding History

Fox Run Management’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	–	Sell	-1,986	Closed	-$416K	–	867
2025 Q4	$416K	Sell	1,986 -4,251	-68%	-$865K	0.06%	575
2025 Q3	$1.06M	Buy	+6,237	New	+$939K	0.17%	186
2025 Q2	–	Sell	-6,757	Closed	-$644K	–	826
2025 Q1	$644K	Buy	+6,757	New	+$772K	0.1%	381
2024 Q2	–	Sell	-2,628	Closed	-$268K	–	749
2024 Q1	$268K	Buy	+2,628	New	+$268K	0.06%	564
2019 Q4	–	Sell	-5,025	Closed	-$288K	–	371
2019 Q3	$288K	Buy	+5,025	New	+$271K	0.26%	166
2018 Q4	–	Sell	-4,282	Closed	-$221K	–	488
2018 Q3	$221K	Buy	+4,282	New	+$248K	0.1%	451
2018 Q2	–	Sell	-4,283	Closed	-$274K	–	637
2018 Q1	$274K	Sell	4,283 -10,891	-72%	-$753K	0.07%	524
2017 Q4	$1.02M	Buy	15,174 +2,674	+21%	+$215K	0.3%	66
2017 Q3	$1.01M	Buy	+12,500	New	+$906K	0.29%	62

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

Fox Run Management's AEIS Position: Q1 2026 in Review

Fox Run Management sold out of Advanced Energy (AEIS) in Q1 2026, closing a stake of 1,986 shares — an estimated $416K sold.

Fox Run Management first reported a position in AEIS in Q3 2017 and held it in 9 quarters. The position peaked at $1.06M in Q3 2025. 575 funds tracked by Wall St. Rank hold AEIS as of Q1 2026.

Fox Run Management reported no remaining Advanced Energy position as of Q1 2026 after selling out during the quarter.
Fox Run Management sold 1,986 Advanced Energy shares in Q1 2026, an estimated $416K.
Fox Run Management first reported a position in Advanced Energy in Q3 2017 and held it in 9 quarters.
Fox Run Management's Advanced Energy position peaked at $1.06M in Q3 2025.
575 funds tracked by Wall St. Rank held Advanced Energy as of Q1 2026.

Based on Fox Run Management's 13F filing for Q1 2026, filed 12 May 2026.