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ACFN ACORN ENERGY INC

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COM NEW (common), issuer CIK 880984

15 managers (15 13F filers) reported a position in ACFN shares at 2025-09-30, 83,771 shares in all. 15 filers opened a position and 0 filers sold out during the quarter.

Managers
15
13F filers
15
New
15
Added
0
Reduced
0
Sold out
0
Shares held by filers
83,771

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC31,490$901K<0.01%new13F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC11,985$343K<0.01%new13F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC11,282$323K<0.01%new13F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC10,180$291K<0.01%new13F-HRTimelineGroup
Northstar Group, Inc.8,743$250K0.04%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.3,984$113K<0.01%new13F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA3,000$86K<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,363$39K<0.01%new13F-HRTimelineGroup
Access Investment Management LLC880$25.2K0.01%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY312$8.92K<0.01%new13F-HR/ATimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…270$7.72K<0.01%new13F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/245$6.75K<0.01%new13F-HRTimelineGroup
Federation des caisses Desjardins du Qu…25$715<0.01%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/12$343<0.01%new13F-HR/ATimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN0$5<0.01%new13F-HRTimelineGroupAmount filed as zero, left out of ratios.