Eos Energy Enterprises EOSE Institutional Ownership

Ownership Summary

Eos Energy Enterprises, Inc. (NASDAQ:EOSE) has 310 institutional investors that have filed 13F reports for the period ending March 2026.

• Collectively, these holders controlled 60.3% of Eos Energy Enterprises's outstanding shares in March 2026, down from 69.8% in December 2025.
• Their total shares held in EOSE increased 43.99% quarter over quarter, and separately, investors owning Eos Energy Enterprises increased 75.14% from a year ago.
• Of these 310 funds, 207 grew their exposure to Eos Energy Enterprises, 75 cut back, and 28 maintained positions.
• The aggregate institutional position in Eos Energy Enterprises amounted to 204.76Mn shares as of March 2026, up by 62.56Mn shares quarter on quarter, and up 107.45Mn shares year over year.
• BlackRock, Inc. leads ownership in EOSE with 24.08Mn shares as of March 31, 2026, equal to 7.09% of outstanding shares.
• The biggest buyers of Eos Energy Enterprises for the quarter ending March 2026 included VANGUARD CAPITAL MANAGEMENT LLC (14.84Mn), TWO SIGMA INVESTMENTS, LP (8.72Mn), MARSHALL WACE, LLP (6.43Mn), Crystal Cove Asset Management, LLC (4.3Mn), CITADEL ADVISORS LLC (3.64Mn).
• The largest sellers of Eos Energy Enterprises for the quarter ending March 2026 were Electron Capital Partners, LLC (6.86Mn), JANE STREET GROUP, LLC (1.85Mn), SIMPLEX TRADING, LLC (1.26Mn), FMR LLC (1.11Mn), Barclays Plc (832.31K).
• Eos Energy Enterprises's 10 largest shareholders as of March 2026 include BlackRock, Inc. (24.08Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (14.87Mn), VANGUARD CAPITAL MANAGEMENT LLC (14.84Mn), TWO SIGMA INVESTMENTS, LP (14.07Mn), State Street Corp (8.02Mn), GEODE CAPITAL MANAGEMENT, LLC (7.81Mn), MARSHALL WACE, LLP (6.61Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (6.35Mn), CITADEL ADVISORS LLC (6.1Mn), Electron Capital Partners, LLC (5.38Mn) per Business Quant data.