Acorn Energy
ACFN · NASDAQ
$18.32−$0.08 (−0.43%)TodayMarket closed ·
Prev close $18.40
Who owns ACFN
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 43.1% of ACFN’s shares.
- Leap Tide Capital Management, Inc.10.9%
- Loeb (Jan H)9.6%
- Sklar (Joel Charles)6.5%
- Osterer (Michael)5.0%
- Next 6 largest institutions11.1%
- All other shareholders56.9%
| Holder | Shares | % of shares |
|---|---|---|
| Leap Tide Capital Management, Inc. | 273.25K | 10.89% |
| Loeb (Jan H) | 242.20K | 9.65% |
| Sklar (Joel Charles) | 162.11K | 6.46% |
| Osterer (Michael) | 126.21K | 5.03% |
| Rabover (Peter) | 123.22K | 4.91% |
| Mohr (Gary) | 70.42K | 2.81% |
| Vanguard Capital Management, LLC | 37.98K | 1.51% |
| Geode Capital Management, L.L.C. | 18.17K | 0.72% |
| Citadel Advisors LLC | 16.32K | 0.65% |
| Bridgeway Capital Management, LLC | 12.50K | 0.50% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 21.62K | 0.86% |
| Vanguard Extended Market Index Fund | 18.18K | 0.72% |
| Bridgeway Ultra-Small Company Fund | 12.50K | 0.50% |
| Fidelity Extended Market Index Fund | 7.94K | 0.32% |
| iShares Micro-Cap ETF | 5.14K | 0.20% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of ACFN in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Clifford Tracy Simmons | Option exercise | 1.88K | — |
| Clifford Tracy Simmons | Tax withholding | 515 | $8.41K |
| Clifford Tracy Simmons | Option exercise | 1.88K | $8.40K |
Short interest
Settled Sep 30, 2026
- Shares short
- 32.67K
- Days to cover
- 1.00
- % of shares outstanding
- 1.30%
- Average daily volume
- 60.77K
- Change since last report
- +6.7%
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