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Side-by-side financial comparison of ACORN ENERGY, INC. (ACFN) and Bolt Biotherapeutics, Inc. (BOLT). Click either name above to swap in a different company.

Bolt Biotherapeutics, Inc. is the larger business by last-quarter revenue ($2.5M vs $2.4M, roughly 1.1× ACORN ENERGY, INC.). ACORN ENERGY, INC. runs the higher net margin — 45.2% vs -265.2%, a 310.4% gap on every dollar of revenue. Over the past eight quarters, ACORN ENERGY, INC.'s revenue compounded faster (5.6% CAGR vs -31.2%).

Acorn Energy Inc. is a NASDAQ-listed conglomerate investing in electricity generation and security. It was founded by George Morgenstern in 1984 as Decision Systems, Inc. and was taken public by Laidlaw Securities. The name was later changed to Data Systems and Software Inc. John Moore became CEO in 2006 and changed the name to Acorn Factor and later to Acorn Energy.

Bolt Biotherapeutics, Inc. is a clinical-stage biotechnology company specializing in immune-stimulating antibody conjugate (ISAC) therapies for cancer treatment. Its core pipeline targets hard-to-treat solid tumors, serving global oncology markets and advancing novel immunotherapies that trigger targeted anti-tumor immune responses to improve patient outcomes.

ACFN vs BOLT — Head-to-Head

Bigger by revenue
BOLT
BOLT
1.1× larger
BOLT
$2.5M
$2.4M
ACFN
Higher net margin
ACFN
ACFN
310.4% more per $
ACFN
45.2%
-265.2%
BOLT
Faster 2-yr revenue CAGR
ACFN
ACFN
Annualised
ACFN
5.6%
-31.2%
BOLT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ACFN
ACFN
BOLT
BOLT
Revenue
$2.4M
$2.5M
Net Profit
$1.1M
$-6.6M
Gross Margin
80.1%
Operating Margin
11.7%
-283.4%
Net Margin
45.2%
-265.2%
Revenue YoY
-32.6%
Net Profit YoY
-79.5%
58.4%
EPS (diluted)
$0.42
$-9.38

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ACFN
ACFN
BOLT
BOLT
Q4 25
$2.4M
$2.5M
Q3 25
$2.5M
$2.2M
Q2 25
$3.5M
$1.8M
Q1 25
$3.1M
$1.2M
Q4 24
$3.5M
$0
Q3 24
$3.0M
$1.1M
Q2 24
$2.3M
$1.3M
Q1 24
$2.1M
$5.3M
Net Profit
ACFN
ACFN
BOLT
BOLT
Q4 25
$1.1M
$-6.6M
Q3 25
$252.0K
$-7.1M
Q2 25
$720.0K
$-8.6M
Q1 25
$464.0K
$-11.0M
Q4 24
$5.2M
$-15.9M
Q3 24
$725.0K
$-15.2M
Q2 24
$271.0K
$-21.2M
Q1 24
$65.0K
$-10.8M
Gross Margin
ACFN
ACFN
BOLT
BOLT
Q4 25
80.1%
Q3 25
78.5%
Q2 25
74.9%
Q1 25
75.1%
Q4 24
72.4%
Q3 24
71.7%
Q2 24
73.2%
Q1 24
74.6%
Operating Margin
ACFN
ACFN
BOLT
BOLT
Q4 25
11.7%
-283.4%
Q3 25
6.4%
-355.1%
Q2 25
26.9%
-510.5%
Q1 25
19.5%
-991.4%
Q4 24
23.9%
Q3 24
24.8%
-1441.1%
Q2 24
11.3%
-1772.3%
Q1 24
3.7%
-324.1%
Net Margin
ACFN
ACFN
BOLT
BOLT
Q4 25
45.2%
-265.2%
Q3 25
10.2%
-329.4%
Q2 25
20.4%
-474.6%
Q1 25
15.0%
-903.4%
Q4 24
148.3%
Q3 24
23.8%
-1330.1%
Q2 24
11.9%
-1662.4%
Q1 24
3.0%
-205.0%
EPS (diluted)
ACFN
ACFN
BOLT
BOLT
Q4 25
$0.42
$-9.38
Q3 25
$0.10
$-3.72
Q2 25
$0.28
$-4.46
Q1 25
$0.19
$-0.29
Q4 24
$2.08
$-13.73
Q3 24
$0.29
$-7.93
Q2 24
$0.11
$-11.12
Q1 24
$0.03
$-0.28

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ACFN
ACFN
BOLT
BOLT
Cash + ST InvestmentsLiquidity on hand
$4.5M
$27.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$8.3M
$26.5M
Total Assets
$13.3M
$56.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACFN
ACFN
BOLT
BOLT
Q4 25
$4.5M
$27.5M
Q3 25
$4.2M
$31.9M
Q2 25
$3.3M
$34.8M
Q1 25
$2.6M
$38.8M
Q4 24
$2.3M
$47.3M
Q3 24
$2.2M
$53.8M
Q2 24
$1.5M
$73.7M
Q1 24
$1.4M
$91.3M
Stockholders' Equity
ACFN
ACFN
BOLT
BOLT
Q4 25
$8.3M
$26.5M
Q3 25
$7.2M
$32.1M
Q2 25
$6.9M
$38.8M
Q1 25
$6.1M
$46.8M
Q4 24
$5.5M
$57.2M
Q3 24
$288.0K
$72.0M
Q2 24
$-451.0K
$85.9M
Q1 24
$-733.0K
$104.2M
Total Assets
ACFN
ACFN
BOLT
BOLT
Q4 25
$13.3M
$56.7M
Q3 25
$12.4M
$65.1M
Q2 25
$12.5M
$75.5M
Q1 25
$11.1M
$85.9M
Q4 24
$10.6M
$99.6M
Q3 24
$5.4M
$109.3M
Q2 24
$4.8M
$124.2M
Q1 24
$4.9M
$142.9M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ACFN
ACFN
BOLT
BOLT
Operating Cash FlowLast quarter
$295.0K
$-7.2M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.27×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACFN
ACFN
BOLT
BOLT
Q4 25
$295.0K
$-7.2M
Q3 25
$895.0K
$-9.7M
Q2 25
$629.0K
$-9.6M
Q1 25
$271.0K
$-13.4M
Q4 24
$166.0K
$-14.4M
Q3 24
$698.0K
$-14.0M
Q2 24
$84.0K
$-16.1M
Q1 24
$-43.0K
$-16.8M
Free Cash Flow
ACFN
ACFN
BOLT
BOLT
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$-14.0M
Q2 24
Q1 24
FCF Margin
ACFN
ACFN
BOLT
BOLT
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
-1227.6%
Q2 24
Q1 24
Capex Intensity
ACFN
ACFN
BOLT
BOLT
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
3.6%
Q2 24
0.0%
Q1 24
0.0%
Cash Conversion
ACFN
ACFN
BOLT
BOLT
Q4 25
0.27×
Q3 25
3.55×
Q2 25
0.87×
Q1 25
0.58×
Q4 24
0.03×
Q3 24
0.96×
Q2 24
0.31×
Q1 24
-0.66×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ACFN
ACFN

PG$2.2M94%
Other$143.0K6%

BOLT
BOLT

Segment breakdown not available.

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