Ardsley Advisory Partners’s American Superconductor AMSC Stock Holding History

Ardsley Advisory Partners’s Portfolio AMSC Stock Details AMSC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$830K	Sell	20,000 -5,000	-20%	-$226K	0.09%	129
2026 Q1	$846K	Buy	+25,000	New	+$789K	0.11%	127
2025 Q1	–	Sell	-100,000	Closed	-$2.46M	–	142
2024 Q4	$2.46M	Hold	100,000	–	–	0.39%	82
2024 Q3	$2.36M	Buy	100,000 +60,000	+150%	+$1.38M	0.39%	71
2024 Q2	$936K	Sell	40,000 -35,000	-47%	-$578K	0.14%	102
2024 Q1	$1.01M	Buy	+75,000	New	+$930K	0.15%	93
2022 Q2	–	Sell	-25,000	Closed	-$190K	–	127
2022 Q1	$190K	Buy	+25,000	New	+$214K	0.03%	121
2018 Q2	–	Sell	-120,000	Closed	-$698K	–	153
2018 Q1	$698K	Sell	120,000 -194,377	-62%	-$997K	0.1%	84
2017 Q4	$1.14M	Sell	314,377 -1,520,623	-83%	-$5.8M	0.14%	71
2017 Q3	$8.33M	Buy	1,835,000 +445,000	+32%	+$1.73M	1.11%	35
2017 Q2	$6.44M	Buy	1,390,000 +1,119,200	+413%	+$5.69M	1%	35
2017 Q1	$1.86M	Buy	270,800 +56,000	+26%	+$377K	0.29%	69
2016 Q4	$1.58M	Buy	214,800 +144,800	+207%	+$1.08M	0.26%	66
2016 Q3	$491K	Sell	70,000 -5,000	-7%	-$38.8K	0.08%	93
2016 Q2	$633K	Buy	75,000 +59,100	+372%	+$551K	0.11%	81
2016 Q1	$121K	Buy	+15,900	New	+$106K	0.02%	132
2013 Q3	–	Sell	-30,000	Closed	-$792K	–	143
2013 Q2	$792K	Buy	+30,000	New	+$756K	0.17%	63

Other funds holding AMSC

HWAM

Hennion & Walsh Asset Management Parsippany, New Jersey $3.5B AUM 41.95% 1-Year Est. Return

MFG

Merit Financial Group Alpharetta, Georgia $16.4B AUM 25.17% 1-Year Est. Return

Diversified Trust Memphis, Tennessee $6.24B AUM 28.78% 1-Year Est. Return

CPBTD

Central Pacific Bank - Trust Division Honolulu, Hawaii $984M AUM 34.19% 1-Year Est. Return

AHIA

Andrew Hill Investment Advisors Naples, Florida $135M AUM 50.1% 1-Year Est. Return

KPP

Kings Path Partners Sugar Land, Texas $376M AUM 19% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

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

MFA

Mayflower Financial Advisors Boston, Massachusetts $1.16B AUM 24.36% 1-Year Est. Return

YIH

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

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

Ardsley Advisory Partners reduced its American Superconductor (AMSC) stake by 20% in Q2 2026, selling an estimated $226K and leaving 20,000 shares worth $830K. The position accounts for 0.09% of the portfolio, ranked #129.

Ardsley Advisory Partners first reported a position in AMSC in Q2 2013 and has held it in 17 quarters since. The position peaked at $8.33M in Q3 2017. 21 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

Ardsley Advisory Partners held 20,000 shares of American Superconductor worth $830K as of Q2 2026.
Ardsley Advisory Partners sold 5,000 American Superconductor shares in Q2 2026, an estimated $226K.
American Superconductor made up 0.09% of Ardsley Advisory Partners's portfolio in Q2 2026, its #129 holding.
Ardsley Advisory Partners first reported a position in American Superconductor in Q2 2013 and has held it in 17 quarters since.
Ardsley Advisory Partners's American Superconductor position peaked at $8.33M in Q3 2017.
21 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

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