Ardsley Advisory Partners’s Advanced Energy AEIS Stock Holding History

Ardsley Advisory Partners’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 Q2	–	Sell	-5,000	Closed	-$1.61M	–	148
2026 Q1	$1.61M	Sell	5,000 -68,000	-93%	-$19.7M	0.21%	102
2025 Q4	$15.3M	Buy	73,000 +28,500	+64%	+$5.8M	1.68%	16
2025 Q3	$7.57M	Buy	44,500 +9,500	+27%	+$1.43M	0.94%	38
2025 Q2	$4.64M	Buy	35,000 +4,000	+13%	+$441K	0.61%	51
2025 Q1	$2.95M	Buy	31,000 +6,000	+24%	+$685K	0.57%	64
2024 Q4	$2.89M	Sell	25,000 -5,000	-17%	-$562K	0.46%	73
2024 Q3	$3.16M	Buy	+30,000	New	+$3.15M	0.52%	65

Other funds holding AEIS

CAM

Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

Tema ETFs New York $3.09B AUM 72.72% 1-Year Est. Return

AHT

Amanah Holdings Trust London $1.7B AUM 612.53% 1-Year Est. Return

FWIA

Fort Washington Investment Advisors Cincinnati, Ohio $19.9B AUM 22.19% 1-Year Est. Return

PCM

Peregrine Capital Management Minneapolis, Minnesota $3.08B AUM 29.51% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

YIH

Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return

LSERS

Louisiana State Employees Retirement System Baton Rouge, Louisiana $6.74B AUM 53.06% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return

YCM

Yousif Capital Management Bloomfield Hills, Michigan $8.94B AUM 42.6% 1-Year Est. Return

Ardsley Advisory Partners's AEIS Position: Q2 2026 in Review

Ardsley Advisory Partners sold out of Advanced Energy (AEIS) in Q2 2026, closing a stake of 5,000 shares — an estimated $1.61M sold.

Ardsley Advisory Partners first reported a position in AEIS in Q3 2024 and held it in 7 quarters. The position peaked at $15.3M in Q4 2025. 92 funds tracked by Wall St. Rank hold AEIS as of Q2 2026.

Ardsley Advisory Partners reported no remaining Advanced Energy position as of Q2 2026 after selling out during the quarter.
Ardsley Advisory Partners sold 5,000 Advanced Energy shares in Q2 2026, an estimated $1.61M.
Ardsley Advisory Partners first reported a position in Advanced Energy in Q3 2024 and held it in 7 quarters.
Ardsley Advisory Partners's Advanced Energy position peaked at $15.3M in Q4 2025.
92 funds tracked by Wall St. Rank held Advanced Energy as of Q2 2026.

Based on Ardsley Advisory Partners's 13F filing for Q2 2026, filed 13 Jul 2026.