Ardsley Advisory Partners’s First Solar FSLR Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-117,500	Closed	-$30.7M	–	171
2025 Q4	$30.7M	Sell	117,500 -11,500	-9%	-$2.9M	3.37%	2
2025 Q3	$28.4M	Buy	129,000 +114,000	+760%	+$21.9M	3.52%	2
2025 Q2	$2.48M	Buy	15,000 +10,000	+200%	+$1.48M	0.33%	74
2025 Q1	$632K	Sell	5,000 -36,000	-88%	-$5.62M	0.12%	122
2024 Q4	$7.23M	Buy	41,000 +13,000	+46%	+$2.59M	1.15%	27
2024 Q3	$6.98M	Sell	28,000 -9,000	-24%	-$2.03M	1.15%	31
2024 Q2	$8.34M	Buy	37,000 +24,000	+185%	+$5.23M	1.23%	23
2024 Q1	$2.19M	Buy	+13,000	New	+$2M	0.32%	68
2023 Q4	–	Sell	-72,300	Closed	-$11.7M	–	155
2023 Q3	$11.7M	Sell	72,300 -5,200	-7%	-$970K	2.61%	10
2023 Q2	$14.7M	Sell	77,500 -109,500	-59%	-$21.7M	2.49%	5
2023 Q1	$40.7M	Sell	187,000 -38,900	-17%	-$7.1M	8.93%	1
2022 Q4	$33.8M	Buy	225,900 +44,900	+25%	+$6.65M	7.01%	1
2022 Q3	$23.9M	Buy	181,000 +135,500	+298%	+$14.5M	5.36%	2
2022 Q2	$3.1M	Buy	45,500 +25,500	+128%	+$1.82M	0.51%	46
2022 Q1	$1.68M	Buy	+20,000	New	+$1.53M	0.28%	64
2021 Q4	–	Sell	-25,000	Closed	-$2.39M	–	125
2021 Q3	$2.39M	Sell	25,000 -90,000	-78%	-$8.36M	0.36%	48
2021 Q2	$10.4M	Buy	+115,000	New	+$9.1M	1.22%	24
2019 Q4	–	Sell	-144,556	Closed	-$8.39M	–	166
2019 Q3	$8.39M	Buy	144,556 +55,250	+62%	+$3.54M	1.88%	17
2019 Q2	$5.87M	Buy	+89,306	New	+$5.37M	0.93%	31
2016 Q2	–	Sell	-40,000	Closed	-$2.74M	–	167
2016 Q1	$2.74M	Buy	+40,000	New	+$2.68M	0.42%	47
2015 Q4	–	Sell	-25,000	Closed	-$1.07M	–	160
2015 Q3	$1.07M	Sell	25,000 -25,000	-50%	-$1.16M	0.26%	56
2015 Q2	$2.35M	Buy	+50,000	New	+$2.79M	0.3%	56
2015 Q1	–	Sell	-10,000	Closed	-$446K	–	214
2014 Q4	$446K	Sell	10,000 -30,000	-75%	-$1.53M	0.07%	128
2014 Q3	$2.63M	Buy	40,000 +25,000	+167%	+$1.69M	0.35%	47
2014 Q2	$1.07M	Buy	+15,000	New	+$993K	0.14%	92
2013 Q4	–	Sell	-250,000	Closed	-$10.1M	–	178
2013 Q3	$10.1M	Buy	250,000 +240,000	+2,400%	+$10.1M	2.05%	14
2013 Q2	$448K	Buy	+10,000	New	+$445K	0.1%	82

Other funds holding FSLR

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

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

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

HCC

Hill City Capital Boston, Massachusetts $2.8B AUM 79.27% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return

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

Ardsley Advisory Partners's FSLR Position: Q1 2026 in Review

Ardsley Advisory Partners sold out of First Solar (FSLR) in Q1 2026, closing a stake of 117,500 shares — an estimated $30.7M sold.

Ardsley Advisory Partners first reported a position in FSLR in Q2 2013 and held it in 27 quarters. The position peaked at $40.7M in Q1 2023. 967 funds tracked by Wall St. Rank hold FSLR as of Q1 2026.

Ardsley Advisory Partners reported no remaining First Solar position as of Q1 2026 after selling out during the quarter.
Ardsley Advisory Partners sold 117,500 First Solar shares in Q1 2026, an estimated $30.7M.
Ardsley Advisory Partners first reported a position in First Solar in Q2 2013 and held it in 27 quarters.
Ardsley Advisory Partners's First Solar position peaked at $40.7M in Q1 2023.
967 funds tracked by Wall St. Rank held First Solar as of Q1 2026.

Based on Ardsley Advisory Partners's 13F filing for Q1 2026, filed 15 May 2026.