Acorn Energy, Inc. (ACFN) Institutional Ownership

Ownership Summary

Acorn Energy, Inc. (NASDAQ:ACFN) has 11 institutional investors with active 13F positions as of December 2025.

• Their combined ownership stood at 2.7% of outstanding shares in December 2025, down from 3.3% in September 2025.
• They increased total shares held in ACFN by 38.96% quarter over quarter, and investors in Acorn Energy stayed flat from a year ago.
• Of these 11 holders, 5 added to their stakes in Acorn Energy, 2 trimmed positions, and 4 made no changes.
• In total, institutional investors held 68.39K shares in Acorn Energy as of December 2025, up by 19.17K shares quarter on quarter, and with no net change year over year.
• VANGUARD CAPITAL MANAGEMENT LLC leads ownership in ACFN with 37.64K shares as of December 31, 2025, equal to 1.5% of outstanding shares.
• The biggest buyers of Acorn Energy for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (37.64K), Mink Brook Asset Management LLC (10.0K), VANGUARD FIDUCIARY TRUST CO (8.37K), GEODE CAPITAL MANAGEMENT, LLC (2.41K), UBS Group AG (693).
• The largest sellers of Acorn Energy for the quarter ending December 2025 were Tower Research Capital LLC (TRC) (184).
• According to Business Quant data, leading holders of ACFN for December 2025 are VANGUARD CAPITAL MANAGEMENT LLC (37.64K), GEODE CAPITAL MANAGEMENT, LLC (17.91K), Mink Brook Asset Management LLC (10.0K), VANGUARD FIDUCIARY TRUST CO (8.37K), OSAIC HOLDINGS, INC. (1.9K), UBS Group AG (693), NATIONAL BANK OF CANADA /FI/ (245), Tower Research Capital LLC (TRC) (170), Federation des caisses Desjardins du Quebec (25), Western Wealth Management, LLC (2).