Acorn Energy, Inc. (ACFN) Institutional Ownership

Ownership Summary

A total of 15 institutions have reported a stake in Acorn Energy, Inc. (NASDAQ:ACFN) as of September 2025, according to recent 13F filings with the SEC.

• The collective stake of institutional investors in Acorn Energy moved to 3.3% in September 2025, a shift up from the 0.0% reported for June 2025.
• In percentage terms, this reflects as a holdings change of 8377100.00% quarter on quarter, and an increase of 1400.00% year over year.
• Of these 15 institutional investors, 14 increased their holdings in Acorn Energy, while 0 of them reduced positions, and 1 investors maintained their exposure.
• This class of investors increased its holdings in Acorn Energy to 83.77K shares for the 13F-cycle ending September 2025, up by 83.77K shares quarter on quarter, and up 83.77K shares year over year.
• The top institutional stake in Acorn Energy as of September 30, 2025 belongs to VANGUARD GROUP INC, which owns 31.49K shares, or 1.26% of the company.
• Among the most significant buyers of Acorn Energy during September 2025 were VANGUARD GROUP INC (31.49K), GEODE CAPITAL MANAGEMENT, LLC (11.98K), CITADEL ADVISORS LLC (11.28K), JANE STREET GROUP, LLC (10.18K), Northstar Group, Inc. (8.74K).
• The top 10 institutional holders of Acorn Energy for the quarter ending September 2025 included VANGUARD GROUP INC (31.49K), GEODE CAPITAL MANAGEMENT, LLC (11.98K), CITADEL ADVISORS LLC (11.28K), JANE STREET GROUP, LLC (10.18K), Northstar Group, Inc. (8.74K), OSAIC HOLDINGS, INC. (3.98K), ROYAL BANK OF CANADA (3.00K), UBS Group AG (1.36K), Access Investment Management LLC (880), MORGAN STANLEY (312).