Acorn EnergyACFN
13F holders, Q2 2026 (June 30)12holders +2
3new positions
1sold out
1famous investor
$17.03avg. 13F price*
At the end of Q2 2026, 12 institutions reported holding Acorn Energy Inc. (ACFN) in their 13F filings, up 2 from Q1 2026. 3 opened new positions and 1 sold out. The largest holders were Vanguard Capital Management LLC ($647K), Geode Capital Management, LLC ($310K) and Citadel Advisors ($278K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Acorn Energy Inc.
- CUSIP
- 004848206
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $583K |
| Exits | 1 | $12K |
All 13F filers, Q1 2026 → Q2 2026: 35,040 shares bought and 2,238 shares sold, net +32,802 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 12 holders
| Vanguard Capital Management LLC | 0.00% | Add +0.9% | 37,981 | $647K |
| Geode Capital Management, LLC | 0.00% | Add +1.4% | 18,168 | $310K |
| Citadel Advisors | 0.00% | New | 16,321 | $278K |
| Bridgeway Capital Management, LLC | 0.00% | New | 12,500 | $213K |
| Mink Brook Asset Management LLC | 0.08% | No change | 10,000 | $170K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +0.7% | 8,428 | $144K |
| BlackRock, Inc. | 0.00% | New | 5,403 | $92K |
| Access Investment Management LLC | 0.01% | No change | 1,200 | $20K |
| Osaic Holdings, Inc. | 0.00% | Reduce -81.5% | 351 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +92.3% | 327 | $6K |
| National Bank of Canada | 0.00% | No change | 245 | $4K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 25 | $426 |
"% of holder's portfolio" is ACFN's weight in each manager's 13F, not the share of Acorn Energy Inc. the manager owns.