Acorn Energy, Inc. (ACFN) Institutional Ownership

Ownership Summary

Acorn Energy, Inc. (NASDAQ:ACFN) has 11 institutional investors that have filed 13F reports for the period ending December 2025.

• Collectively, these holders controlled 2.7% of Acorn Energy's outstanding shares in December 2025, down from 3.3% in September 2025.
• Their total shares held in ACFN increased 38.96% from the prior quarter, while the number of investors in Acorn Energy stayed flat year over year.
• Among the 11 funds, 5 bought more Acorn Energy shares, 2 sold down, and 4 held their ground.
• The aggregate institutional position in Acorn Energy amounted to 68.39K shares 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.
• Leading buyers of Acorn Energy shares for the quarter ending December 2025 were 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).
• Business Quant data shows the 10 biggest positions in Acorn Energy as of December 2025 are held by 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).