Acorn Energy
ACFN
14 hedge funds and large institutions have $2.39M invested in Acorn Energy in 2025 Q3 according to their latest regulatory filings, with 14 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
3.35% more ownership
Funds ownership: 0% → 3.35% (+3.3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$871K |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
+$331K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$312K |
| 4 |
Jane Street
New York
|
+$282K |
| 5 |
NG
Northstar Group
New York
|
+$242K |
Top Sellers
ACFN Hedge Fund Activity: Q3 2025 in Review
14 of the 7,650 institutional investors tracked by Wall St. Rank reported a position in Acorn Energy (ACFN) for Q3 2025, worth a combined $2.39M.
Buyers outnumbered sellers: 14 funds opened new ACFN positions and 0 closed out — a net gain of 14 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Vanguard Group, opening a new position worth an estimated $871K.
- 14 institutional investors held Acorn Energy (ACFN) as of Q3 2025, up from 0 in Q2 2025.
- Funds reported $2.39M of Acorn Energy stock for Q3 2025.
- 14 funds opened new Acorn Energy positions in Q3 2025 and 0 closed out, a net change of +14 holders.
- The largest Acorn Energy buyer in Q3 2025 was Vanguard Group, an estimated $871K added.
Based on aggregated 13F filings for Q3 2025.