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

NLIGHT, INC. is the larger business by last-quarter revenue ($81.2M vs $46.3M, roughly 1.8× Heartflow, Inc.). NLIGHT, INC. runs the higher net margin — -6.0% vs -109.9%, a 103.8% gap on every dollar of revenue. NLIGHT, INC. produced more free cash flow last quarter ($15.9M vs $-4.2M).

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.

nLight Inc. is a global developer and manufacturer of high-performance semiconductor lasers, fiber lasers, and related optical components. Its products serve key segments including industrial precision manufacturing, aerospace and defense, medical equipment, and advanced research, with customers across North America, Europe, and Asia Pacific.

HTFL vs LASR — Head-to-Head

Bigger by revenue
LASR
LASR
1.8× larger
LASR
$81.2M
$46.3M
HTFL
Higher net margin
LASR
LASR
103.8% more per $
LASR
-6.0%
-109.9%
HTFL
More free cash flow
LASR
LASR
$20.1M more FCF
LASR
$15.9M
$-4.2M
HTFL

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
HTFL
HTFL
LASR
LASR
Revenue
$46.3M
$81.2M
Net Profit
$-50.9M
$-4.9M
Gross Margin
76.5%
30.7%
Operating Margin
-32.6%
-6.7%
Net Margin
-109.9%
-6.0%
Revenue YoY
71.3%
Net Profit YoY
80.3%
EPS (diluted)
$-1.04
$-0.10

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
LASR
LASR
Q4 25
$81.2M
Q3 25
$46.3M
$66.7M
Q2 25
$43.4M
$61.7M
Q1 25
$51.7M
Q4 24
$47.4M
Q3 24
$56.1M
Q2 24
$50.5M
Q1 24
$44.5M
Net Profit
HTFL
HTFL
LASR
LASR
Q4 25
$-4.9M
Q3 25
$-50.9M
$-6.9M
Q2 25
$-9.2M
$-3.6M
Q1 25
$-8.1M
Q4 24
$-25.0M
Q3 24
$-10.3M
Q2 24
$-11.7M
Q1 24
$-13.8M
Gross Margin
HTFL
HTFL
LASR
LASR
Q4 25
30.7%
Q3 25
76.5%
31.1%
Q2 25
75.5%
29.9%
Q1 25
26.7%
Q4 24
2.4%
Q3 24
22.4%
Q2 24
23.5%
Q1 24
16.8%
Operating Margin
HTFL
HTFL
LASR
LASR
Q4 25
-6.7%
Q3 25
-32.6%
-10.9%
Q2 25
-31.6%
-6.9%
Q1 25
-18.6%
Q4 24
-55.8%
Q3 24
-21.0%
Q2 24
-25.1%
Q1 24
-33.1%
Net Margin
HTFL
HTFL
LASR
LASR
Q4 25
-6.0%
Q3 25
-109.9%
-10.3%
Q2 25
-21.2%
-5.8%
Q1 25
-15.7%
Q4 24
-52.7%
Q3 24
-18.4%
Q2 24
-23.2%
Q1 24
-30.9%
EPS (diluted)
HTFL
HTFL
LASR
LASR
Q4 25
$-0.10
Q3 25
$-1.04
$-0.14
Q2 25
$-1.46
$-0.07
Q1 25
$-0.16
Q4 24
$-0.52
Q3 24
$-0.21
Q2 24
$-0.25
Q1 24
$-0.29

Balance Sheet & Financial Strength

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

Metric
HTFL
HTFL
LASR
LASR
Cash + ST InvestmentsLiquidity on hand
$291.2M
$98.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$254.6M
$226.7M
Total Assets
$364.4M
$315.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HTFL
HTFL
LASR
LASR
Q4 25
$98.7M
Q3 25
$291.2M
$81.1M
Q2 25
$80.2M
$78.8M
Q1 25
$82.2M
Q4 24
$65.8M
Q3 24
$41.5M
Q2 24
$49.4M
Q1 24
$61.3M
Stockholders' Equity
HTFL
HTFL
LASR
LASR
Q4 25
$226.7M
Q3 25
$254.6M
$218.5M
Q2 25
$-894.8M
$216.0M
Q1 25
$212.8M
Q4 24
$216.4M
Q3 24
$235.3M
Q2 24
$239.5M
Q1 24
$244.4M
Total Assets
HTFL
HTFL
LASR
LASR
Q4 25
$315.2M
Q3 25
$364.4M
$298.7M
Q2 25
$159.4M
$295.3M
Q1 25
$290.0M
Q4 24
$270.2M
Q3 24
$291.3M
Q2 24
$294.3M
Q1 24
$302.8M

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
LASR
LASR
Operating Cash FlowLast quarter
$-3.0M
$17.5M
Free Cash FlowOCF − Capex
$-4.2M
$15.9M
FCF MarginFCF / Revenue
-9.1%
19.6%
Capex IntensityCapex / Revenue
2.7%
2.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$12.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HTFL
HTFL
LASR
LASR
Q4 25
$17.5M
Q3 25
$-3.0M
$5.2M
Q2 25
$-40.5M
$-1.4M
Q1 25
$-20.0K
Q4 24
$-3.9M
Q3 24
$-5.6M
Q2 24
$-4.2M
Q1 24
$11.4M
Free Cash Flow
HTFL
HTFL
LASR
LASR
Q4 25
$15.9M
Q3 25
$-4.2M
$2.4M
Q2 25
$-42.4M
$-3.8M
Q1 25
$-2.3M
Q4 24
$-6.5M
Q3 24
$-7.2M
Q2 24
$-6.4M
Q1 24
$9.8M
FCF Margin
HTFL
HTFL
LASR
LASR
Q4 25
19.6%
Q3 25
-9.1%
3.7%
Q2 25
-97.6%
-6.1%
Q1 25
-4.5%
Q4 24
-13.7%
Q3 24
-12.9%
Q2 24
-12.6%
Q1 24
22.1%
Capex Intensity
HTFL
HTFL
LASR
LASR
Q4 25
2.0%
Q3 25
2.7%
4.2%
Q2 25
4.4%
3.9%
Q1 25
4.4%
Q4 24
5.5%
Q3 24
2.9%
Q2 24
4.2%
Q1 24
3.5%

Financial Flow Comparison

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

Revenue Breakdown by Segment

HTFL
HTFL

Segment breakdown not available.

LASR
LASR

Aerospaceand Defense$56.3M69%
Microfabrication$14.2M18%
Industrial$10.7M13%

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