NASDAQ · ACFNIndustrialsEngineering Services

Acorn Energy, Inc. Common Stock (ACFN)

$16.10−1.29%
Close Nov 4, 2026 · split-adjusted
Nov 5, 2026$14.43▼ 37.11% in range
Nov 4, 2025Low $12.81 · High $23.00Nov 5, 2026
What changed · written from our data
As of Nov 4, 2026

Acorn Energy closed at $16.10 on Nov 4, down 1.29%, 33.4% below its 52-week closing high. Volume of 70.4K shares was 1.44× its 20-day average (above normal).

Split-adjusted performance: -13.0% over one month, -16.8% over six months, -33.4% over one year.

In the quarter ended Jun 30, 2026, revenue was $2.49M, down 29.4% from a year earlier, with a net margin of 11.8%.

Short interest was 32.3K shares at the Oct 15 settlement, down 1.2% from the prior report (2.3% of float, 1.0 days to cover).

Market cap$40.8M2.5M shares
Revenue · quarter$2.5M−29.4% YoY
Diluted EPS$0.12−57.1% YoY
P/E · TTM26.4×P/S 4.3×
Net margin11.8%Gross 82.4%
Dividend yieldNone$0.035 last paid
52-week range12.81 – 24.18−33.4% from high
Volume70.4K1.44× 20-day avg
Volatility · 60d49.3%Annualised
Short % of float2.3%1.0 days to cover
Net cash$4.5MCash $4.5M
Next earnings—Not scheduled
Split-adjusted performance
1W −6.4%1M −13.0%3M −15.0%6M −16.8%YTD +6.6%1Y −33.4%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Engineering Services

Percentile among 7 companies (100 = best)

6-month momentum—
Revenue growth—
Net margin—
Value (low P/E)—
Size—

Industry medians: 6-month return −16.8%, revenue growth −4.5%, net margin 6.4%, P/E 28.5×.

Short interest

Details →
Shares short32.3K−1.2% vs prior
Days to cover1.0Settled Oct 15
% of float2.3%
Short vol. 10d50.8%of daily volume

Closest peers by size in Engineering Services

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ACFNAcorn Energy$16.10−1.29%−16.8%−29.4%11.8%26.4$40.8M
MGMistras Group$20.23+0.25%+9.2%+4.6%3.4%31.0$644.7MCompare
OFALOFA Group$0.2888+13.84%−96.3%−21.5%−12783.2%—$1.9MCompare
WLDNWilldan Group$74.20−0.59%−2.0%+33.2%10.5%17.3$1.13BCompare
VSECVSE$163.96+0.61%−21.0%+65.0%6.4%61.3$4.60BCompare
ACMAecom$68.20+2.94%−18.7%−14.2%−2.4%30.5$8.78BCompare
TTEKTetra Tech$40.94+3.88%+32.0%−4.5%8.4%24.0$10.48BCompare

Quick answers

What does Acorn Energy do?
Acorn Energy Inc is a holding company that focuses on technology-driven solutions for energy infrastructure asset management. The company operates through two segments namely, the PG segment and the CP segment.
What is ACFN's market cap?
$40.81M, based on the Nov 4 close of $16.10.
What is ACFN's P/E ratio?
26.4× trailing-twelve-month earnings of $1.54M.
Does Acorn Energy pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ACFN is sold short?
32.3K shares, 2.3% of float, as of Oct 15, 2026.
What sector is ACFN in?
Industrials, in the Engineering Services industry.

About Acorn Energy

Acorn Energy Inc is a holding company that focuses on technology-driven solutions for energy infrastructure asset management. The company operates through two segments namely, the PG segment and the CP segment. PG segment provides wireless remote monitoring and control systems and services for critical assets as well as Internet of Things applications which account for the majority of the revenue. CP segment is engaged in providing remote monitoring of cathodic protection systems on gas pipelines for gas utilities and pipeline companies.

HQ: Wilmington, DE27 employeesListed Feb 11, 1992acornenergy.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology