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Side-by-side financial comparison of Heartflow, Inc. (HTFL) and NACCO INDUSTRIES INC (NC). Click either name above to swap in a different company.

NACCO INDUSTRIES INC is the larger business by last-quarter revenue ($66.8M vs $46.3M, roughly 1.4× Heartflow, Inc.). NACCO INDUSTRIES INC runs the higher net margin — -5.8% vs -109.9%, a 104.1% gap on every dollar of revenue.

HeartFlow, Inc. develops non-invasive cardiovascular diagnostic solutions for global healthcare providers. Its core product uses CT scan data to build 3D coronary artery models, assess blood flow to detect blockages, and support clinicians in making personalized heart disease treatment decisions without invasive procedures.

NACCO Industries, Inc. is an American publicly traded holding company, headquartered in Cleveland, Ohio. Through a portfolio of mining and natural resources businesses, the company operates under three business segments: Coal Mining, North American Mining, and Minerals Management. The Coal Mining segment operates surface coal mines under long-term contracts with power generation companies and an activated carbon producer pursuant to a service-based business model. The North American Mining se...

HTFL vs NC — Head-to-Head

Bigger by revenue
NC
NC
1.4× larger
NC
$66.8M
$46.3M
HTFL
Higher net margin
NC
NC
104.1% more per $
NC
-5.8%
-109.9%
HTFL

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
HTFL
HTFL
NC
NC
Revenue
$46.3M
$66.8M
Net Profit
$-50.9M
$-3.8M
Gross Margin
76.5%
18.0%
Operating Margin
-32.6%
11.3%
Net Margin
-109.9%
-5.8%
Revenue YoY
-5.2%
Net Profit YoY
-150.8%
EPS (diluted)
$-1.04
$-0.53

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
HTFL
HTFL
NC
NC
Q4 25
$66.8M
Q3 25
$46.3M
$76.6M
Q2 25
$43.4M
$68.2M
Q1 25
$65.6M
Q4 24
$70.4M
Q3 24
$61.7M
Q2 24
$52.3M
Q1 24
$53.3M
Net Profit
HTFL
HTFL
NC
NC
Q4 25
$-3.8M
Q3 25
$-50.9M
$13.3M
Q2 25
$-9.2M
$3.3M
Q1 25
$4.9M
Q4 24
$7.6M
Q3 24
$15.6M
Q2 24
$6.0M
Q1 24
$4.6M
Gross Margin
HTFL
HTFL
NC
NC
Q4 25
18.0%
Q3 25
76.5%
13.0%
Q2 25
75.5%
10.0%
Q1 25
14.7%
Q4 24
12.0%
Q3 24
11.7%
Q2 24
13.4%
Q1 24
13.2%
Operating Margin
HTFL
HTFL
NC
NC
Q4 25
11.3%
Q3 25
-32.6%
8.8%
Q2 25
-31.6%
-0.1%
Q1 25
11.7%
Q4 24
5.5%
Q3 24
31.9%
Q2 24
14.1%
Q1 24
8.9%
Net Margin
HTFL
HTFL
NC
NC
Q4 25
-5.8%
Q3 25
-109.9%
17.3%
Q2 25
-21.2%
4.8%
Q1 25
7.5%
Q4 24
10.7%
Q3 24
25.4%
Q2 24
11.4%
Q1 24
8.6%
EPS (diluted)
HTFL
HTFL
NC
NC
Q4 25
$-0.53
Q3 25
$-1.04
$1.78
Q2 25
$-1.46
$0.44
Q1 25
$0.66
Q4 24
$0.99
Q3 24
$2.14
Q2 24
$0.81
Q1 24
$0.61

Balance Sheet & Financial Strength

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

Metric
HTFL
HTFL
NC
NC
Cash + ST InvestmentsLiquidity on hand
$291.2M
$49.7M
Total DebtLower is stronger
$100.8M
Stockholders' EquityBook value
$254.6M
$429.2M
Total Assets
$364.4M
$661.2M
Debt / EquityLower = less leverage
0.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HTFL
HTFL
NC
NC
Q4 25
$49.7M
Q3 25
$291.2M
$52.7M
Q2 25
$80.2M
$49.4M
Q1 25
$61.9M
Q4 24
$72.8M
Q3 24
$63.1M
Q2 24
$62.4M
Q1 24
$61.8M
Total Debt
HTFL
HTFL
NC
NC
Q4 25
$100.8M
Q3 25
Q2 25
Q1 25
Q4 24
$99.4M
Q3 24
Q2 24
$29.0M
Q1 24
$28.4M
Stockholders' Equity
HTFL
HTFL
NC
NC
Q4 25
$429.2M
Q3 25
$254.6M
$426.4M
Q2 25
$-894.8M
$413.1M
Q1 25
$409.1M
Q4 24
$404.9M
Q3 24
$397.3M
Q2 24
$384.1M
Q1 24
$381.6M
Total Assets
HTFL
HTFL
NC
NC
Q4 25
$661.2M
Q3 25
$364.4M
$637.6M
Q2 25
$159.4M
$631.3M
Q1 25
$634.2M
Q4 24
$631.7M
Q3 24
$597.4M
Q2 24
$560.1M
Q1 24
$538.0M
Debt / Equity
HTFL
HTFL
NC
NC
Q4 25
0.23×
Q3 25
Q2 25
Q1 25
Q4 24
0.25×
Q3 24
Q2 24
0.08×
Q1 24
0.07×

Cash Flow & Capital Efficiency

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

Metric
HTFL
HTFL
NC
NC
Operating Cash FlowLast quarter
$-3.0M
$11.4M
Free Cash FlowOCF − Capex
$-4.2M
FCF MarginFCF / Revenue
-9.1%
Capex IntensityCapex / Revenue
2.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HTFL
HTFL
NC
NC
Q4 25
$11.4M
Q3 25
$-3.0M
$42.3M
Q2 25
$-40.5M
$-7.8M
Q1 25
$5.0M
Q4 24
$25.2M
Q3 24
$2.8M
Q2 24
$4.1M
Q1 24
$-9.8M
Free Cash Flow
HTFL
HTFL
NC
NC
Q4 25
Q3 25
$-4.2M
Q2 25
$-42.4M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
FCF Margin
HTFL
HTFL
NC
NC
Q4 25
Q3 25
-9.1%
Q2 25
-97.6%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Capex Intensity
HTFL
HTFL
NC
NC
Q4 25
Q3 25
2.7%
Q2 25
4.4%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Cash Conversion
HTFL
HTFL
NC
NC
Q4 25
Q3 25
3.19×
Q2 25
-2.39×
Q1 25
1.03×
Q4 24
3.33×
Q3 24
0.18×
Q2 24
0.68×
Q1 24
-2.14×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HTFL
HTFL

Segment breakdown not available.

NC
NC

Transferred Over Time$42.7M64%
Transferred At Point In Time$24.1M36%

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