Acorn Energy, Inc. (ACFN) Institutional Ownership

Ownership Summary

Acorn Energy, Inc. (NASDAQ:ACFN) is held by 11 institutional investors per 13F filings through December 2025.

• These investors held 2.7% of 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.
• Activity in ACFN broke down as 5 buyers, 2 sellers, and 4 unchanged among 11 total holders.
• 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.
• As of December 31, 2025, the biggest holder of Acorn Energy is VANGUARD GROUP INC at 36.36K shares, representing 1.45% of shares outstanding.
• The largest buyers of Acorn Energy for the quarter ending December 2025 were SUSQUEHANNA INTERNATIONAL GROUP, LLP (11.4K), VANGUARD GROUP INC (4.87K), GEODE CAPITAL MANAGEMENT, LLC (3.52K), Morgan Stanley (2.0K), Tower Research Capital LLC (TRC) (84).
• The largest sellers of Acorn Energy for the quarter ending December 2025 were OSAIC HOLDINGS, INC. (2.69K), Bank Of America Corp /De/ (10).
• Business Quant data shows the 10 biggest positions in Acorn Energy as of December 2025 are held by VANGUARD GROUP INC (36.36K), GEODE CAPITAL MANAGEMENT, LLC (15.5K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (11.4K), Morgan Stanley (2.31K), OSAIC HOLDINGS, INC. (1.3K), Access Investment Management LLC (880), Tower Research Capital LLC (TRC) (354), NATIONAL BANK OF CANADA /FI/ (245), Federation des caisses Desjardins du Quebec (25), Bank Of America Corp /De/ (14).