We are live on ! Find out more
ACFN

Acorn Energy
ACFN

10 hedge funds and large institutions have $1.04M invested in Acorn Energy in 2025 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 5 increasing their positions, 1 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

400% more repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 1

0.62% less ownership

Funds ownership: 3.35% → 2.73% (-0.62%)

29% less funds holding

Funds holding: 14 → 10 (-4)

56% less capital invested

Capital invested by funds: $2.39M → $1.04M (-$1.35M)

80% less first-time investments, than exits

New positions opened: 1 | Existing positions closed: 5

Holders
10
Holders Change
-4
Holders Change %
-28.57%
% of All Funds
0.12%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
5
Reduced
1
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$219K
2
Vanguard Group
Vanguard Group
Pennsylvania
+$93.8K
3
Geode Capital Management
Geode Capital Management
Massachusetts
+$67.7K
4
Morgan Stanley
Morgan Stanley
New York
+$38.5K
5
TRCT
Tower Research Capital (TRC)
New York
+$1.62K

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$323K
2
Jane Street
Jane Street
New York
-$291K
3
NG
Northstar Group
New York
-$250K
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$86K
5
Osaic Holdings
Osaic Holdings
Arizona
-$51.7K
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$549K +$93.8K +4,872 +15%
Geode Capital Management
2
Geode Capital Management
Massachusetts
$234K +$67.7K +3,515 +29%
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$172K +$219K +11,400 New
Morgan Stanley
4
Morgan Stanley
New York
$34.9K +$38.5K +2,000 +641%
AIM
5
Access Investment Management
Georgia
$25.2K – – –
Osaic Holdings
6
Osaic Holdings
Arizona
$19.6K -$51.7K -2,688 -67%
TRCT
7
Tower Research Capital (TRC)
New York
$5.34K +$1.62K +84 +31%
National Bank of Canada
8
National Bank of Canada
Quebec, Canada
$3.65K – – –
FDCDDQ
9
Federation des caisses Desjardins du Quebec
Quebec, Canada
$378 – – –
Bank of America
10
Bank of America
North Carolina
$211 +$38 +2 +17%
Wells Fargo
11
Wells Fargo
California
$3 – – –
Citadel Advisors
12
Citadel Advisors
Florida
– -$323K -11,282 Closed
Jane Street
13
Jane Street
New York
– -$291K -10,180 Closed
NG
14
Northstar Group
New York
– -$250K -8,743 Closed
Royal Bank of Canada
15
Royal Bank of Canada
Ontario, Canada
– -$86K -3,000 Closed
UBS Group
16
UBS Group
Switzerland
– -$39K -1,363 Closed

ACFN Hedge Fund Activity: Q4 2025 in Review

10 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in Acorn Energy (ACFN) for Q4 2025, worth a combined $1.04M — down 56% from $2.39M a quarter earlier.

Sellers outnumbered buyers: 5 funds closed out of ACFN and 1 opened new positions — a net loss of 4 holders — while 1 trimmed existing stakes and 5 added.

The largest buyer was Susquehanna International Group, opening a new position worth an estimated $219K. The largest seller was Citadel Advisors, exiting entirely with an estimated $323K sold.

  • 10 institutional investors held Acorn Energy (ACFN) as of Q4 2025, down from 14 in Q3 2025.
  • Funds reported $1.04M of Acorn Energy stock for Q4 2025, down 56% quarter-over-quarter.
  • 1 fund opened new Acorn Energy positions in Q4 2025 and 5 closed out, a net change of -4 holders.
  • The largest Acorn Energy buyer in Q4 2025 was Susquehanna International Group, an estimated $219K added.
  • The largest Acorn Energy seller in Q4 2025 was Citadel Advisors, an estimated $323K sold.

Based on aggregated 13F filings for Q4 2025.