Acorn EnergyACFN
13F holders, Q1 2026 (March 31)10holders
2new positions
3sold out
$17.00avg. 13F price*
At the end of Q1 2026, 10 institutions reported holding Acorn Energy Inc. (ACFN) in their 13F filings, unchanged from Q4 2025. 2 opened new positions and 3 sold out. The largest holders were Vanguard Capital Management LLC ($640K), Geode Capital Management, LLC ($305K) and Mink Brook Asset Management LLC ($170K).
- Company
- Acorn Energy Inc.
- CUSIP
- 004848206
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $182K |
| Exits | 3 | $207K |
All 13F filers, Q4 2025 → Q1 2026: 14,022 shares bought and 13,910 shares sold, net +112 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 10 holders
| Vanguard Capital Management LLC | 0.00% | — | 37,641 | $640K |
| Geode Capital Management, LLC | 0.00% | Add +15.5% | 17,909 | $305K |
| Mink Brook Asset Management LLC | 0.09% | New | 10,000 | $170K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 8,368 | $142K |
| Osaic Holdings, Inc. | 0.00% | Add +46.3% | 1,896 | $32K |
| Access Investment Management LLC | 0.01% | Add +36.4% | 1,200 | $20K |
| UBS Group AG | 0.00% | New | 693 | $12K |
| National Bank of Canada | 0.00% | No change | 245 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -52.0% | 170 | $3K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 25 | $425 |
"% of holder's portfolio" is ACFN's weight in each manager's 13F, not the share of Acorn Energy Inc. the manager owns.