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

Quanterix Corp is the larger business by last-quarter revenue ($43.9M vs $32.3M, roughly 1.4× RBB Bancorp). RBB Bancorp runs the higher net margin — 31.5% vs -52.7%, a 84.2% gap on every dollar of revenue. On growth, Quanterix Corp posted the faster year-over-year revenue change (24.7% vs 12.6%). RBB Bancorp produced more free cash flow last quarter ($42.6M vs $-16.5M). Over the past eight quarters, Quanterix Corp's revenue compounded faster (16.9% CAGR vs 7.0%).

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.

RBB Bancorp is a US-based financial holding company that operates Royal Business Bank as its primary banking subsidiary. It caters mainly to Asian American communities, small and medium-sized enterprises, real estate investors, and retail clients, offering comprehensive commercial banking, consumer lending, deposit services, and wealth management solutions across branches in key US coastal metropolitan areas.

QTRX vs RBB — Head-to-Head

Bigger by revenue
QTRX
QTRX
1.4× larger
QTRX
$43.9M
$32.3M
RBB
Growing faster (revenue YoY)
QTRX
QTRX
+12.2% gap
QTRX
24.7%
12.6%
RBB
Higher net margin
RBB
RBB
84.2% more per $
RBB
31.5%
-52.7%
QTRX
More free cash flow
RBB
RBB
$59.1M more FCF
RBB
$42.6M
$-16.5M
QTRX
Faster 2-yr revenue CAGR
QTRX
QTRX
Annualised
QTRX
16.9%
7.0%
RBB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
QTRX
QTRX
RBB
RBB
Revenue
$43.9M
$32.3M
Net Profit
$-23.1M
$10.2M
Gross Margin
45.7%
Operating Margin
-56.4%
39.5%
Net Margin
-52.7%
31.5%
Revenue YoY
24.7%
12.6%
Net Profit YoY
-98.8%
132.1%
EPS (diluted)
$-0.48
$0.59

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
QTRX
QTRX
RBB
RBB
Q4 25
$43.9M
$32.3M
Q3 25
$40.2M
$32.6M
Q2 25
$24.5M
$35.8M
Q1 25
$30.3M
$28.5M
Q4 24
$35.2M
$28.7M
Q3 24
$35.8M
$30.3M
Q2 24
$34.4M
$27.5M
Q1 24
$32.1M
$28.2M
Net Profit
QTRX
QTRX
RBB
RBB
Q4 25
$-23.1M
$10.2M
Q3 25
$-33.5M
$10.1M
Q2 25
$-30.0M
$9.3M
Q1 25
$-20.5M
$2.3M
Q4 24
$-11.6M
$4.4M
Q3 24
$-8.4M
$7.0M
Q2 24
$-7.4M
$7.2M
Q1 24
$-11.2M
$8.0M
Gross Margin
QTRX
QTRX
RBB
RBB
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
QTRX
QTRX
RBB
RBB
Q4 25
-56.4%
39.5%
Q3 25
-92.8%
40.7%
Q2 25
-151.6%
36.1%
Q1 25
-86.9%
11.2%
Q4 24
-42.0%
17.6%
Q3 24
-32.8%
31.6%
Q2 24
-31.8%
35.6%
Q1 24
-47.3%
39.9%
Net Margin
QTRX
QTRX
RBB
RBB
Q4 25
-52.7%
31.5%
Q3 25
-83.3%
31.2%
Q2 25
-122.6%
26.1%
Q1 25
-67.6%
8.0%
Q4 24
-33.1%
15.3%
Q3 24
-23.3%
23.1%
Q2 24
-21.5%
26.4%
Q1 24
-34.8%
28.4%
EPS (diluted)
QTRX
QTRX
RBB
RBB
Q4 25
$-0.48
$0.59
Q3 25
$-0.73
$0.59
Q2 25
$-0.77
$0.52
Q1 25
$-0.53
$0.13
Q4 24
$-0.30
$0.26
Q3 24
$-0.22
$0.39
Q2 24
$-0.19
$0.39
Q1 24
$-0.29
$0.43

Balance Sheet & Financial Strength

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

Metric
QTRX
QTRX
RBB
RBB
Cash + ST InvestmentsLiquidity on hand
$29.8M
$212.3M
Total DebtLower is stronger
$119.9M
Stockholders' EquityBook value
$295.7M
$523.4M
Total Assets
$418.8M
$4.2B
Debt / EquityLower = less leverage
0.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
QTRX
QTRX
RBB
RBB
Q4 25
$29.8M
$212.3M
Q3 25
$38.3M
$234.9M
Q2 25
$132.9M
$191.9M
Q1 25
$76.5M
$238.8M
Q4 24
$56.7M
$257.7M
Q3 24
$29.3M
$349.4M
Q2 24
$47.0M
$252.8M
Q1 24
$45.3M
Total Debt
QTRX
QTRX
RBB
RBB
Q4 25
$119.9M
Q3 25
$119.8M
Q2 25
$119.7M
Q1 25
$119.6M
Q4 24
$119.5M
Q3 24
$119.4M
Q2 24
$119.3M
Q1 24
$119.2M
Stockholders' Equity
QTRX
QTRX
RBB
RBB
Q4 25
$295.7M
$523.4M
Q3 25
$314.5M
$514.3M
Q2 25
$292.5M
$517.7M
Q1 25
$316.4M
$510.3M
Q4 24
$330.0M
$507.9M
Q3 24
$338.9M
$509.7M
Q2 24
$340.8M
$511.3M
Q1 24
$343.4M
$514.0M
Total Assets
QTRX
QTRX
RBB
RBB
Q4 25
$418.8M
$4.2B
Q3 25
$444.1M
$4.2B
Q2 25
$375.6M
$4.1B
Q1 25
$396.5M
$4.0B
Q4 24
$406.5M
$4.0B
Q3 24
$411.0M
$4.0B
Q2 24
$415.9M
$3.9B
Q1 24
$414.2M
$3.9B
Debt / Equity
QTRX
QTRX
RBB
RBB
Q4 25
0.23×
Q3 25
0.23×
Q2 25
0.23×
Q1 25
0.23×
Q4 24
0.24×
Q3 24
0.23×
Q2 24
0.23×
Q1 24
0.23×

Cash Flow & Capital Efficiency

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

Metric
QTRX
QTRX
RBB
RBB
Operating Cash FlowLast quarter
$-16.4M
$43.4M
Free Cash FlowOCF − Capex
$-16.5M
$42.6M
FCF MarginFCF / Revenue
-37.7%
131.8%
Capex IntensityCapex / Revenue
0.2%
2.5%
Cash ConversionOCF / Net Profit
4.26×
TTM Free Cash FlowTrailing 4 quarters
$-80.0M
$73.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
QTRX
QTRX
RBB
RBB
Q4 25
$-16.4M
$43.4M
Q3 25
$-41.2M
$2.1M
Q2 25
$-5.7M
$21.7M
Q1 25
$-13.9M
$7.8M
Q4 24
$-4.3M
$58.5M
Q3 24
$-5.7M
$24.5M
Q2 24
$-5.0M
$11.7M
Q1 24
$-20.2M
$4.8M
Free Cash Flow
QTRX
QTRX
RBB
RBB
Q4 25
$-16.5M
$42.6M
Q3 25
$-41.9M
$1.8M
Q2 25
$-6.4M
$21.6M
Q1 25
$-15.1M
$7.6M
Q4 24
$-4.7M
$57.7M
Q3 24
$-6.6M
$24.2M
Q2 24
$-6.5M
$11.5M
Q1 24
$-20.7M
$4.7M
FCF Margin
QTRX
QTRX
RBB
RBB
Q4 25
-37.7%
131.8%
Q3 25
-104.2%
5.4%
Q2 25
-26.3%
60.2%
Q1 25
-49.9%
26.7%
Q4 24
-13.4%
201.0%
Q3 24
-18.4%
80.0%
Q2 24
-19.1%
42.0%
Q1 24
-64.5%
16.6%
Capex Intensity
QTRX
QTRX
RBB
RBB
Q4 25
0.2%
2.5%
Q3 25
1.7%
1.1%
Q2 25
3.2%
0.3%
Q1 25
4.1%
0.6%
Q4 24
1.2%
2.7%
Q3 24
2.4%
0.8%
Q2 24
4.7%
0.5%
Q1 24
1.6%
0.5%
Cash Conversion
QTRX
QTRX
RBB
RBB
Q4 25
4.26×
Q3 25
0.21×
Q2 25
2.32×
Q1 25
3.39×
Q4 24
13.34×
Q3 24
3.50×
Q2 24
1.61×
Q1 24
0.60×

Financial Flow Comparison

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

Revenue Breakdown by Segment

QTRX
QTRX

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

RBB
RBB

Segment breakdown not available.

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