Acorn Energy, Inc. (ACFN) Institutional Ownership

Ownership Summary

The institutional landscape for Acorn Energy, Inc. (NASDAQ:ACFN) includes 12 filers as of the latest reporting cycle ending December 2025.

• Acorn Energy saw its institutional ownership percentage fell to 2.7% in December 2025 from 3.3% in September 2025.
• The company experienced a 38.99% quarterly change in institutional shares held, alongside an increase of 1100.00% in total owners annually.
• Of these 12 institutional investors, 6 increased their holdings in Acorn Energy, while 1 of them reduced positions, and 5 investors maintained their exposure.
• The total number of shares held by institutions in Acorn Energy increased to 68.39K as of December 2025, a net change of up by 19.18K shares quarter on quarter, and up 68.39K shares year over year.
• VANGUARD GROUP INC continues to be the largest institutional holder of Acorn Energy as of December 31, 2025, with a position of 36.36K shares, representing 1.45% of the company's outstanding stock.
• Among the most significant buyers of Acorn Energy during December 2025 were SUSQUEHANNA INTERNATIONAL GROUP, LLP (11.40K), VANGUARD GROUP INC (4.87K), GEODE CAPITAL MANAGEMENT, LLC (3.52K), MORGAN STANLEY (2.00K), Tower Research Capital LLC (TRC) (84).
• Leading sellers of Acorn Energy stock in December 2025 included OSAIC HOLDINGS, INC. (2.69K).
• The top 10 institutional holders of Acorn Energy for the quarter ending December 2025 included VANGUARD GROUP INC (36.36K), GEODE CAPITAL MANAGEMENT, LLC (15.50K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (11.40K), MORGAN STANLEY (2.31K), OSAIC HOLDINGS, INC. (1.30K), 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).