Shay Capital’s Eos Energy Enterprises EOSE Stock Holding History

Shay Capital’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 Q1	$526K	Sell	106,000 -375,000	-78%	-$4.03M	0.04%	265
2025 Q4	$5.51M	Buy	481,000 +206,000	+75%	+$2.96M	0.57%	43
2025 Q3	$3.13M	Buy	275,000 +175,000	+175%	+$1.2M	0.27%	80
2025 Q2	$512K	Buy	+100,000	New	+$490K	0.06%	173
2021 Q4	–	Sell	-18,800	Closed	-$264K	–	526
2021 Q3	$264K	Buy	+18,800	New	+$278K	0.03%	356

Other funds holding EOSE

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

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

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

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

ECP

Electron Capital Partners New York $2.55B AUM 87.77% 1-Year Est. Return

Shay Capital's EOSE Position: Q1 2026 in Review

Shay Capital increased its Eos Energy Enterprises (EOSE) stake by 53% in Q1 2026, buying an estimated $2.13M and bringing the position to 574,535 shares worth $2.85M. The position accounts for 0.24% of the portfolio, ranked #81.

Shay Capital first reported a position in EOSE in Q4 2020 and has held it in 6 quarters since. The position peaked at $4.31M in Q4 2025. 316 funds tracked by Wall St. Rank hold EOSE as of Q1 2026.

Shay Capital held 574,535 shares of Eos Energy Enterprises worth $2.85M as of Q1 2026.
Shay Capital bought 198,535 Eos Energy Enterprises shares in Q1 2026, an estimated $2.13M.
Eos Energy Enterprises made up 0.24% of Shay Capital's portfolio in Q1 2026, its #81 holding.
Shay Capital first reported a position in Eos Energy Enterprises in Q4 2020 and has held it in 6 quarters since.
Shay Capital's Eos Energy Enterprises position peaked at $4.31M in Q4 2025.
316 funds tracked by Wall St. Rank held Eos Energy Enterprises as of Q1 2026.

Based on Shay Capital's 13F filing for Q1 2026, filed 15 May 2026.