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Side-by-side financial comparison of IonQ, Inc. (IONQ) and Quanterix Corp (QTRX). Click either name above to swap in a different company.

IonQ, Inc. is the larger business by last-quarter revenue ($61.9M vs $43.9M, roughly 1.4× Quanterix Corp). IonQ, Inc. runs the higher net margin — 1217.8% vs -52.7%, a 1270.5% gap on every dollar of revenue. On growth, IonQ, Inc. posted the faster year-over-year revenue change (428.5% vs 24.7%). Quanterix Corp produced more free cash flow last quarter ($-16.5M vs $-83.3M).

IonQ, Inc. is an American quantum computing hardware and software company headquartered in College Park, Maryland. The company develops general-purpose trapped ion quantum computers and accompanying software to generate, optimize, and execute quantum circuits.

Quanterix Corp is a life sciences firm that develops, manufactures, and commercializes ultra-sensitive single-molecule detection diagnostic platforms, reagents, and testing services. Its solutions empower biological research, drug development, and clinical diagnostics across oncology, neurodegenerative disorders, infectious diseases, and other therapeutic areas, serving research institutions, biopharmaceutical companies, and clinical laboratories globally.

IONQ vs QTRX — Head-to-Head

Bigger by revenue
IONQ
IONQ
1.4× larger
IONQ
$61.9M
$43.9M
QTRX
Growing faster (revenue YoY)
IONQ
IONQ
+403.8% gap
IONQ
428.5%
24.7%
QTRX
Higher net margin
IONQ
IONQ
1270.5% more per $
IONQ
1217.8%
-52.7%
QTRX
More free cash flow
QTRX
QTRX
$66.8M more FCF
QTRX
$-16.5M
$-83.3M
IONQ

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IONQ
IONQ
QTRX
QTRX
Revenue
$61.9M
$43.9M
Net Profit
$753.7M
$-23.1M
Gross Margin
45.7%
Operating Margin
-369.4%
-56.4%
Net Margin
1217.8%
-52.7%
Revenue YoY
428.5%
24.7%
Net Profit YoY
473.1%
-98.8%
EPS (diluted)
$2.60
$-0.48

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
IONQ
IONQ
QTRX
QTRX
Q4 25
$61.9M
$43.9M
Q3 25
$39.9M
$40.2M
Q2 25
$20.7M
$24.5M
Q1 25
$30.3M
Q4 24
$11.7M
$35.2M
Q3 24
$12.4M
$35.8M
Q2 24
$11.4M
$34.4M
Q1 24
$32.1M
Net Profit
IONQ
IONQ
QTRX
QTRX
Q4 25
$753.7M
$-23.1M
Q3 25
$-1.1B
$-33.5M
Q2 25
$-176.8M
$-30.0M
Q1 25
$-20.5M
Q4 24
$-202.0M
$-11.6M
Q3 24
$-52.5M
$-8.4M
Q2 24
$-37.6M
$-7.4M
Q1 24
$-11.2M
Gross Margin
IONQ
IONQ
QTRX
QTRX
Q4 25
45.7%
Q3 25
42.8%
Q2 25
46.2%
Q1 25
54.1%
Q4 24
63.0%
Q3 24
56.3%
Q2 24
64.7%
Q1 24
57.8%
Operating Margin
IONQ
IONQ
QTRX
QTRX
Q4 25
-369.4%
-56.4%
Q3 25
-423.5%
-92.8%
Q2 25
-776.0%
-151.6%
Q1 25
-86.9%
Q4 24
-661.9%
-42.0%
Q3 24
-428.5%
-32.8%
Q2 24
-430.0%
-31.8%
Q1 24
-47.3%
Net Margin
IONQ
IONQ
QTRX
QTRX
Q4 25
1217.8%
-52.7%
Q3 25
-2646.3%
-83.3%
Q2 25
-854.5%
-122.6%
Q1 25
-67.6%
Q4 24
-1725.0%
-33.1%
Q3 24
-423.4%
-23.3%
Q2 24
-330.0%
-21.5%
Q1 24
-34.8%
EPS (diluted)
IONQ
IONQ
QTRX
QTRX
Q4 25
$2.60
$-0.48
Q3 25
$-3.58
$-0.73
Q2 25
$-0.70
$-0.77
Q1 25
$-0.53
Q4 24
$-0.95
$-0.30
Q3 24
$-0.24
$-0.22
Q2 24
$-0.18
$-0.19
Q1 24
$-0.29

Balance Sheet & Financial Strength

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

Metric
IONQ
IONQ
QTRX
QTRX
Cash + ST InvestmentsLiquidity on hand
$2.4B
$29.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.8B
$295.7M
Total Assets
$6.6B
$418.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IONQ
IONQ
QTRX
QTRX
Q4 25
$2.4B
$29.8M
Q3 25
$1.1B
$38.3M
Q2 25
$546.9M
$132.9M
Q1 25
$76.5M
Q4 24
$340.3M
$56.7M
Q3 24
$365.7M
$29.3M
Q2 24
$369.8M
$47.0M
Q1 24
$45.3M
Stockholders' Equity
IONQ
IONQ
QTRX
QTRX
Q4 25
$3.8B
$295.7M
Q3 25
$2.3B
$314.5M
Q2 25
$1.2B
$292.5M
Q1 25
$316.4M
Q4 24
$383.9M
$330.0M
Q3 24
$435.7M
$338.9M
Q2 24
$463.3M
$340.8M
Q1 24
$343.4M
Total Assets
IONQ
IONQ
QTRX
QTRX
Q4 25
$6.6B
$418.8M
Q3 25
$4.3B
$444.1M
Q2 25
$1.3B
$375.6M
Q1 25
$396.5M
Q4 24
$508.4M
$406.5M
Q3 24
$497.9M
$411.0M
Q2 24
$517.4M
$415.9M
Q1 24
$414.2M

Cash Flow & Capital Efficiency

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

Metric
IONQ
IONQ
QTRX
QTRX
Operating Cash FlowLast quarter
$-74.5M
$-16.4M
Free Cash FlowOCF − Capex
$-83.3M
$-16.5M
FCF MarginFCF / Revenue
-134.6%
-37.7%
Capex IntensityCapex / Revenue
14.2%
0.2%
Cash ConversionOCF / Net Profit
-0.10×
TTM Free Cash FlowTrailing 4 quarters
$-307.3M
$-80.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IONQ
IONQ
QTRX
QTRX
Q4 25
$-74.5M
$-16.4M
Q3 25
$-123.1M
$-41.2M
Q2 25
$-52.6M
$-5.7M
Q1 25
$-13.9M
Q4 24
$-39.4M
$-4.3M
Q3 24
$-19.2M
$-5.7M
Q2 24
$-26.6M
$-5.0M
Q1 24
$-20.2M
Free Cash Flow
IONQ
IONQ
QTRX
QTRX
Q4 25
$-83.3M
$-16.5M
Q3 25
$-127.2M
$-41.9M
Q2 25
$-53.8M
$-6.4M
Q1 25
$-15.1M
Q4 24
$-43.0M
$-4.7M
Q3 24
$-23.0M
$-6.6M
Q2 24
$-34.1M
$-6.5M
Q1 24
$-20.7M
FCF Margin
IONQ
IONQ
QTRX
QTRX
Q4 25
-134.6%
-37.7%
Q3 25
-319.1%
-104.2%
Q2 25
-259.8%
-26.3%
Q1 25
-49.9%
Q4 24
-367.4%
-13.4%
Q3 24
-185.3%
-18.4%
Q2 24
-299.3%
-19.1%
Q1 24
-64.5%
Capex Intensity
IONQ
IONQ
QTRX
QTRX
Q4 25
14.2%
0.2%
Q3 25
10.4%
1.7%
Q2 25
5.8%
3.2%
Q1 25
4.1%
Q4 24
30.7%
1.2%
Q3 24
30.4%
2.4%
Q2 24
65.8%
4.7%
Q1 24
1.6%
Cash Conversion
IONQ
IONQ
QTRX
QTRX
Q4 25
-0.10×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

IONQ
IONQ

Other$31.2M50%
Platform Consulting And Support Services$30.7M50%

QTRX
QTRX

Products$29.2M67%
Consumable And Other Products$12.7M29%
Service Type Warranties$1.7M4%

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