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Side-by-side financial comparison of Heartflow, Inc. (HTFL) and NaaS Technology Inc. (NAAS). Click either name above to swap in a different company.

Heartflow, Inc. is the larger business by last-quarter revenue ($46.3M vs $25.9M, roughly 1.8× NaaS Technology Inc.). Heartflow, Inc. runs the higher net margin — -109.9% vs -193.3%, a 83.4% 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.

NaaS Technology Inc. is a leading electric vehicle energy service provider based in China. It delivers one-stop solutions covering charging network operation, software and hardware support for charging station operators, and value-added services such as charging location search and payment for EV owners, serving both enterprise and individual customers across domestic and select overseas markets.

HTFL vs NAAS — Head-to-Head

Bigger by revenue
HTFL
HTFL
1.8× larger
HTFL
$46.3M
$25.9M
NAAS
Higher net margin
HTFL
HTFL
83.4% more per $
HTFL
-109.9%
-193.3%
NAAS

Income Statement — Q3 FY2025 vs Q2 FY2024

Metric
HTFL
HTFL
NAAS
NAAS
Revenue
$46.3M
$25.9M
Net Profit
$-50.9M
$-50.0M
Gross Margin
76.5%
29.2%
Operating Margin
-32.6%
-144.2%
Net Margin
-109.9%
-193.3%
Revenue YoY
121.2%
Net Profit YoY
18.4%
EPS (diluted)
$-1.04
$-0.02

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
NAAS
NAAS
Q3 25
$46.3M
Q2 25
$43.4M
Q2 24
$25.9M
Net Profit
HTFL
HTFL
NAAS
NAAS
Q3 25
$-50.9M
Q2 25
$-9.2M
Q2 24
$-50.0M
Gross Margin
HTFL
HTFL
NAAS
NAAS
Q3 25
76.5%
Q2 25
75.5%
Q2 24
29.2%
Operating Margin
HTFL
HTFL
NAAS
NAAS
Q3 25
-32.6%
Q2 25
-31.6%
Q2 24
-144.2%
Net Margin
HTFL
HTFL
NAAS
NAAS
Q3 25
-109.9%
Q2 25
-21.2%
Q2 24
-193.3%
EPS (diluted)
HTFL
HTFL
NAAS
NAAS
Q3 25
$-1.04
Q2 25
$-1.46
Q2 24
$-0.02

Balance Sheet & Financial Strength

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

Metric
HTFL
HTFL
NAAS
NAAS
Cash + ST InvestmentsLiquidity on hand
$291.2M
$24.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$254.6M
$-33.4M
Total Assets
$364.4M
$180.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HTFL
HTFL
NAAS
NAAS
Q3 25
$291.2M
Q2 25
$80.2M
Q2 24
$24.7M
Stockholders' Equity
HTFL
HTFL
NAAS
NAAS
Q3 25
$254.6M
Q2 25
$-894.8M
Q2 24
$-33.4M
Total Assets
HTFL
HTFL
NAAS
NAAS
Q3 25
$364.4M
Q2 25
$159.4M
Q2 24
$180.2M

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
NAAS
NAAS
Operating Cash FlowLast quarter
$-3.0M
$-25.7M
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
NAAS
NAAS
Q3 25
$-3.0M
Q2 25
$-40.5M
Q2 24
$-25.7M
Free Cash Flow
HTFL
HTFL
NAAS
NAAS
Q3 25
$-4.2M
Q2 25
$-42.4M
Q2 24
FCF Margin
HTFL
HTFL
NAAS
NAAS
Q3 25
-9.1%
Q2 25
-97.6%
Q2 24
Capex Intensity
HTFL
HTFL
NAAS
NAAS
Q3 25
2.7%
Q2 25
4.4%
Q2 24

Financial Flow Comparison

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

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