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Side-by-side financial comparison of Profusa, Inc. (PFSA) and VirnetX Holding Corp (VHC). Click either name above to swap in a different company.

Profusa, Inc. is the larger business by last-quarter revenue ($75.0K vs $56.0K, roughly 1.3× VirnetX Holding Corp). Profusa, Inc. runs the higher net margin — -3329.3% vs -11744.6%, a 8415.3% gap on every dollar of revenue.

Profusa, Inc. is a biotechnology firm specializing in long-term implantable biosensor technology. Its products enable continuous real-time monitoring of multiple biological markers, serving core segments including clinical care, chronic disease management, medical research, and global digital health markets.

VirnetX is a publicly traded Internet security software and technology company based in Zephyr Cove, Nevada. Founded in 2005, its patent portfolio includes U.S. and international patents in areas such as DNS and network communication.

PFSA vs VHC — Head-to-Head

Bigger by revenue
PFSA
PFSA
1.3× larger
PFSA
$75.0K
$56.0K
VHC
Higher net margin
PFSA
PFSA
8415.3% more per $
PFSA
-3329.3%
-11744.6%
VHC

Income Statement — Q3 FY2024 vs Q4 FY2025

Metric
PFSA
PFSA
VHC
VHC
Revenue
$75.0K
$56.0K
Net Profit
$-2.5M
$-6.6M
Gross Margin
Operating Margin
-1470.7%
-12151.8%
Net Margin
-3329.3%
-11744.6%
Revenue YoY
Net Profit YoY
-579.7%
-5.8%
EPS (diluted)
$-1.29
$-1.82

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
PFSA
PFSA
VHC
VHC
Q4 25
$56.0K
Q3 25
$58.0K
Q2 25
$48.0K
Q1 25
$0
Q4 24
$0
Q3 24
$75.0K
$2.0K
Q2 24
$1.0K
Q1 24
$2.0K
Net Profit
PFSA
PFSA
VHC
VHC
Q4 25
$-6.6M
Q3 25
$-4.3M
Q2 25
$-3.6M
Q1 25
$-3.7M
Q4 24
$-6.2M
Q3 24
$-2.5M
$-3.8M
Q2 24
$-3.8M
Q1 24
$-4.3M
Operating Margin
PFSA
PFSA
VHC
VHC
Q4 25
-12151.8%
Q3 25
-8006.9%
Q2 25
-8216.7%
Q1 25
Q4 24
Q3 24
-1470.7%
-219350.0%
Q2 24
-441500.0%
Q1 24
-246300.0%
Net Margin
PFSA
PFSA
VHC
VHC
Q4 25
-11744.6%
Q3 25
-7496.6%
Q2 25
-7543.8%
Q1 25
Q4 24
Q3 24
-3329.3%
-191950.0%
Q2 24
-383000.0%
Q1 24
-214550.0%
EPS (diluted)
PFSA
PFSA
VHC
VHC
Q4 25
$-1.82
Q3 25
$-1.18
Q2 25
$-0.99
Q1 25
$-1.01
Q4 24
$-1.72
Q3 24
$-1.29
$-1.07
Q2 24
$-1.07
Q1 24
$-1.19

Balance Sheet & Financial Strength

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

Metric
PFSA
PFSA
VHC
VHC
Cash + ST InvestmentsLiquidity on hand
$533
$15.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$-117.0M
$22.5M
Total Assets
$8.8M
$31.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PFSA
PFSA
VHC
VHC
Q4 25
$15.5M
Q3 25
$17.1M
Q2 25
$17.3M
Q1 25
$23.2M
Q4 24
$23.3M
Q3 24
$533
$25.1M
Q2 24
$26.3M
Q1 24
$27.6M
Stockholders' Equity
PFSA
PFSA
VHC
VHC
Q4 25
$22.5M
Q3 25
$29.3M
Q2 25
$33.2M
Q1 25
$36.4M
Q4 24
$39.6M
Q3 24
$-117.0M
$45.5M
Q2 24
$48.8M
Q1 24
$52.2M
Total Assets
PFSA
PFSA
VHC
VHC
Q4 25
$31.1M
Q3 25
$38.0M
Q2 25
$41.8M
Q1 25
$45.1M
Q4 24
$49.6M
Q3 24
$8.8M
$55.6M
Q2 24
$58.9M
Q1 24
$62.3M

Cash Flow & Capital Efficiency

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

Metric
PFSA
PFSA
VHC
VHC
Operating Cash FlowLast quarter
$-1.2M
$-15.6M
Free Cash FlowOCF − Capex
$-15.7M
FCF MarginFCF / Revenue
-27966.1%
Capex IntensityCapex / Revenue
30.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PFSA
PFSA
VHC
VHC
Q4 25
$-15.6M
Q3 25
$-3.0M
Q2 25
$-2.9M
Q1 25
$-3.9M
Q4 24
$-15.3M
Q3 24
$-1.2M
$-3.2M
Q2 24
$-3.1M
Q1 24
$-3.5M
Free Cash Flow
PFSA
PFSA
VHC
VHC
Q4 25
$-15.7M
Q3 25
$-3.0M
Q2 25
Q1 25
Q4 24
$-15.3M
Q3 24
Q2 24
$-3.1M
Q1 24
FCF Margin
PFSA
PFSA
VHC
VHC
Q4 25
-27966.1%
Q3 25
-5208.6%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
-309100.0%
Q1 24
Capex Intensity
PFSA
PFSA
VHC
VHC
Q4 25
30.4%
Q3 25
29.3%
Q2 25
0.0%
Q1 25
Q4 24
Q3 24
0.0%
Q2 24
1100.0%
Q1 24

Financial Flow Comparison

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

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