Eos Energy Enterprises EOSE Institutional Ownership

Eos Energy Enterprises, Inc. (NASDAQ:EOSE) has 351 institutional investors that have filed 13F reports for the period ending June 2026.

• Collectively, these holders controlled 67.9% of Eos Energy Enterprises's outstanding shares in June 2026, up from 60.4% in March 2026.
• Their total shares held in EOSE increased 20.37% quarter over quarter, and separately, investors owning Eos Energy Enterprises increased 64.79% from a year ago.
• Of these 351 funds, 214 grew their exposure to Eos Energy Enterprises, 101 cut back, and 36 maintained positions.
• Altogether, these fund groups held 230.73Mn shares in EOSE by June 2026, up by 39.04Mn shares quarter on quarter, and up 100.62Mn shares year over year.
• BlackRock, Inc. leads ownership in EOSE with 27.13Mn shares as of June 30, 2026, equal to 7.98% of outstanding shares.
• The largest buyers of Eos Energy Enterprises for the quarter ending June 2026 were Hudson Bay Capital Management LP (13.68Mn), Graham Capital Management, L.P. (3.57Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (3.33Mn), BlackRock, Inc. (3.05Mn), Legal & General Group Plc (2.85Mn).
• The largest sales of EOSE for the quarter ending June 2026 came from MARSHALL WACE, LLP (6.24Mn), CITADEL ADVISORS LLC (2.79Mn), Marex Group Ltd (2.03Mn), GROUP ONE TRADING LLC (1.95Mn), Goldman Sachs Group Inc (1.89Mn).
• Business Quant data shows the 10 biggest positions in Eos Energy Enterprises as of June 2026 are held by BlackRock, Inc. (27.13Mn), VANGUARD CAPITAL MANAGEMENT LLC (15.02Mn), Hudson Bay Capital Management LP (13.68Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (13.56Mn), TWO SIGMA INVESTMENTS, LP (12.78Mn), State Street Corp (10.15Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (9.68Mn), GEODE CAPITAL MANAGEMENT, LLC (8.89Mn), Electron Capital Partners, LLC (6.68Mn), Morgan Stanley (5.31Mn).