Ardsley Advisory Partners’s Eos Energy Enterprises EOSE Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$3.23M	Buy	550,000 +250,000	+83%	+$1.74M	0.34%	86
2026 Q1	$1.49M	Sell	300,000 -255,000	-46%	-$2.74M	0.19%	106
2025 Q4	$6.36M	Sell	555,000 -1,045,000	-65%	-$15M	0.7%	51
2025 Q3	$18.1M	Buy	+1,600,000	New	+$10.9M	2.24%	9
2024 Q3	–	Sell	-1,500,000	Closed	-$1.95M	–	153
2024 Q2	$1.95M	Sell	1,500,000 -1,950,000	-57%	-$1.61M	0.29%	74
2024 Q1	$3.55M	Sell	3,450,000 -929,000	-21%	-$944K	0.51%	55
2023 Q4	$4.82M	Buy	4,379,000 +2,271,500	+108%	+$3.31M	0.74%	38
2023 Q3	$4.53M	Buy	2,107,500 +1,786,000	+556%	+$5.35M	1.01%	37
2023 Q2	$1.37M	Sell	321,500 -28,500	-8%	-$74.8K	0.23%	75
2023 Q1	$879K	Hold	350,000	–	–	0.19%	69
2022 Q4	$518K	Sell	350,000 -152,000	-30%	-$197K	0.11%	98
2022 Q3	$838K	Buy	+502,000	New	+$1.1M	0.19%	76
2022 Q2	–	Sell	-25,000	Closed	-$105K	–	143
2022 Q1	$105K	Buy	+25,000	New	+$103K	0.02%	123

Other funds holding EOSE

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

BIP

Bouvel Investment Partners Phoenixville, Pennsylvania $442M AUM 70.77% 1-Year Est. Return

Lauer Wealth Valparaiso, Indiana $167M AUM 23.59% 1-Year Est. Return

RMP

Richards, Merrill & Peterson Spokane, Washington $315M AUM 30.62% 1-Year Est. Return

HCA

Heck Capital Advisors Rhinelander, Wisconsin $1.67B AUM 26.33% 1-Year Est. Return

Apella Capital West Hartford, Connecticut $7.08B AUM 17.38% 1-Year Est. Return

BAM

Byrne Asset Management Kingston, New Jersey $185M AUM 41.05% 1-Year Est. Return

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

IFG

Independent Financial Group San Diego, California $5.35B AUM 43.78% 1-Year Est. Return

SFA

Sequoia Financial Advisors Akron, Ohio $20.1B AUM 24.77% 1-Year Est. Return

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

Ardsley Advisory Partners increased its Eos Energy Enterprises (EOSE) stake by 83% in Q2 2026, buying an estimated $1.74M and bringing the position to 550,000 shares worth $3.23M. The position accounts for 0.34% of the portfolio, ranked #86.

Ardsley Advisory Partners first reported a position in EOSE in Q1 2022 and has held it in 13 quarters since. The position peaked at $18.1M in Q3 2025. 22 funds tracked by Wall St. Rank hold EOSE as of Q2 2026.

Ardsley Advisory Partners held 550,000 shares of Eos Energy Enterprises worth $3.23M as of Q2 2026.
Ardsley Advisory Partners bought 250,000 Eos Energy Enterprises shares in Q2 2026, an estimated $1.74M.
Eos Energy Enterprises made up 0.34% of Ardsley Advisory Partners's portfolio in Q2 2026, its #86 holding.
Ardsley Advisory Partners first reported a position in Eos Energy Enterprises in Q1 2022 and has held it in 13 quarters since.
Ardsley Advisory Partners's Eos Energy Enterprises position peaked at $18.1M in Q3 2025.
22 funds tracked by Wall St. Rank held Eos Energy Enterprises as of Q2 2026.

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