Brown Advisory’s Eos Energy Enterprises EOSE Stock Holding History

Brown Advisory’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	$99.2K	Hold	20,000	–	–	﹤0.01%	1368
2025 Q4	$229K	Sell	20,000 -39,890	-67%	-$573K	﹤0.01%	1297
2025 Q3	$682K	Hold	59,890	–	–	﹤0.01%	949
2025 Q2	$307K	Buy	+59,890	New	+$294K	﹤0.01%	1155

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

Brown Advisory's EOSE Position: Q1 2026 in Review

Brown Advisory held its Eos Energy Enterprises (EOSE) position steady in Q1 2026 at 20,000 shares worth $99.2K. The position accounts for ﹤0.01% of the portfolio, ranked #1368.

Brown Advisory first reported a position in EOSE in Q2 2025 and has held it in 4 quarters since. The position peaked at $682K in Q3 2025. 316 funds tracked by Wall St. Rank hold EOSE as of Q1 2026.

Brown Advisory held 20,000 shares of Eos Energy Enterprises worth $99.2K as of Q1 2026.
Brown Advisory left its Eos Energy Enterprises share count unchanged in Q1 2026.
Eos Energy Enterprises made up ﹤0.01% of Brown Advisory's portfolio in Q1 2026, its #1368 holding.
Brown Advisory first reported a position in Eos Energy Enterprises in Q2 2025 and has held it in 4 quarters since.
Brown Advisory's Eos Energy Enterprises position peaked at $682K in Q3 2025.
316 funds tracked by Wall St. Rank held Eos Energy Enterprises as of Q1 2026.

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