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Side-by-side financial comparison of Quanterix Corp (QTRX) and RAPID MICRO BIOSYSTEMS, INC. (RPID). Click either name above to swap in a different company.

Quanterix Corp is the larger business by last-quarter revenue ($43.9M vs $11.3M, roughly 3.9× RAPID MICRO BIOSYSTEMS, INC.). Quanterix Corp runs the higher net margin — -52.7% vs -110.8%, a 58.1% gap on every dollar of revenue. On growth, RAPID MICRO BIOSYSTEMS, INC. posted the faster year-over-year revenue change (37.3% vs 24.7%). RAPID MICRO BIOSYSTEMS, INC. produced more free cash flow last quarter ($-3.3M vs $-16.5M). Over the past eight quarters, RAPID MICRO BIOSYSTEMS, INC.'s revenue compounded faster (41.8% CAGR vs 16.9%).

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.

Rapid Micro Biosystems, Inc. develops and manufactures automated microbial detection and quality control solutions for the life sciences industry. Its core products serve biopharmaceutical manufacturers, contract development and manufacturing organizations, operating across key global markets including North America, Europe and Asia-Pacific, helping clients cut testing timelines and improve operational efficiency.

QTRX vs RPID — Head-to-Head

Bigger by revenue
QTRX
QTRX
3.9× larger
QTRX
$43.9M
$11.3M
RPID
Growing faster (revenue YoY)
RPID
RPID
+12.6% gap
RPID
37.3%
24.7%
QTRX
Higher net margin
QTRX
QTRX
58.1% more per $
QTRX
-52.7%
-110.8%
RPID
More free cash flow
RPID
RPID
$13.2M more FCF
RPID
$-3.3M
$-16.5M
QTRX
Faster 2-yr revenue CAGR
RPID
RPID
Annualised
RPID
41.8%
16.9%
QTRX

Income Statement — Q4 2025 vs Q4 2025

Metric
QTRX
QTRX
RPID
RPID
Revenue
$43.9M
$11.3M
Net Profit
$-23.1M
$-12.5M
Gross Margin
45.7%
Operating Margin
-56.4%
-108.2%
Net Margin
-52.7%
-110.8%
Revenue YoY
24.7%
37.3%
Net Profit YoY
-98.8%
-29.3%
EPS (diluted)
$-0.48
$-0.26

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
RPID
RPID
Q4 25
$43.9M
$11.3M
Q3 25
$40.2M
$7.8M
Q2 25
$24.5M
$7.3M
Q1 25
$30.3M
$7.2M
Q4 24
$35.2M
$8.2M
Q3 24
$35.8M
$7.6M
Q2 24
$34.4M
$6.6M
Q1 24
$32.1M
$5.6M
Net Profit
QTRX
QTRX
RPID
RPID
Q4 25
$-23.1M
$-12.5M
Q3 25
$-33.5M
$-11.5M
Q2 25
$-30.0M
$-11.9M
Q1 25
$-20.5M
$-11.3M
Q4 24
$-11.6M
$-9.7M
Q3 24
$-8.4M
$-11.3M
Q2 24
$-7.4M
$-12.6M
Q1 24
$-11.2M
$-13.3M
Gross Margin
QTRX
QTRX
RPID
RPID
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
RPID
RPID
Q4 25
-56.4%
-108.2%
Q3 25
-92.8%
-145.1%
Q2 25
-151.6%
-167.3%
Q1 25
-86.9%
-161.8%
Q4 24
-42.0%
-124.5%
Q3 24
-32.8%
-158.3%
Q2 24
-31.8%
-202.1%
Q1 24
-47.3%
-254.4%
Net Margin
QTRX
QTRX
RPID
RPID
Q4 25
-52.7%
-110.8%
Q3 25
-83.3%
-146.8%
Q2 25
-122.6%
-163.3%
Q1 25
-67.6%
-156.3%
Q4 24
-33.1%
-117.6%
Q3 24
-23.3%
-148.9%
Q2 24
-21.5%
-190.1%
Q1 24
-34.8%
-237.4%
EPS (diluted)
QTRX
QTRX
RPID
RPID
Q4 25
$-0.48
$-0.26
Q3 25
$-0.73
$-0.26
Q2 25
$-0.77
$-0.27
Q1 25
$-0.53
$-0.26
Q4 24
$-0.30
$-0.22
Q3 24
$-0.22
$-0.26
Q2 24
$-0.19
$-0.29
Q1 24
$-0.29
$-0.31

Balance Sheet & Financial Strength

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

Metric
QTRX
QTRX
RPID
RPID
Cash + ST InvestmentsLiquidity on hand
$29.8M
$20.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$295.7M
$33.2M
Total Assets
$418.8M
$74.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
QTRX
QTRX
RPID
RPID
Q4 25
$29.8M
$20.0M
Q3 25
$38.3M
$18.9M
Q2 25
$132.9M
$18.3M
Q1 25
$76.5M
$18.9M
Q4 24
$56.7M
$16.9M
Q3 24
$29.3M
$22.0M
Q2 24
$47.0M
$37.1M
Q1 24
$45.3M
$22.4M
Stockholders' Equity
QTRX
QTRX
RPID
RPID
Q4 25
$295.7M
$33.2M
Q3 25
$314.5M
$44.3M
Q2 25
$292.5M
$54.5M
Q1 25
$316.4M
$65.5M
Q4 24
$330.0M
$75.4M
Q3 24
$338.9M
$84.4M
Q2 24
$340.8M
$94.6M
Q1 24
$343.4M
$105.9M
Total Assets
QTRX
QTRX
RPID
RPID
Q4 25
$418.8M
$74.9M
Q3 25
$444.1M
$84.4M
Q2 25
$375.6M
$75.6M
Q1 25
$396.5M
$85.4M
Q4 24
$406.5M
$98.2M
Q3 24
$411.0M
$105.8M
Q2 24
$415.9M
$117.1M
Q1 24
$414.2M
$127.7M

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
RPID
RPID
Operating Cash FlowLast quarter
$-16.4M
$-3.2M
Free Cash FlowOCF − Capex
$-16.5M
$-3.3M
FCF MarginFCF / Revenue
-37.7%
-29.6%
Capex IntensityCapex / Revenue
0.2%
0.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-80.0M
$-31.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
QTRX
QTRX
RPID
RPID
Q4 25
$-16.4M
$-3.2M
Q3 25
$-41.2M
$-9.1M
Q2 25
$-5.7M
$-9.7M
Q1 25
$-13.9M
$-9.1M
Q4 24
$-4.3M
$-9.9M
Q3 24
$-5.7M
$-8.6M
Q2 24
$-5.0M
$-10.1M
Q1 24
$-20.2M
$-15.5M
Free Cash Flow
QTRX
QTRX
RPID
RPID
Q4 25
$-16.5M
$-3.3M
Q3 25
$-41.9M
$-9.1M
Q2 25
$-6.4M
$-10.1M
Q1 25
$-15.1M
$-9.4M
Q4 24
$-4.7M
$-10.0M
Q3 24
$-6.6M
$-8.8M
Q2 24
$-6.5M
$-10.6M
Q1 24
$-20.7M
$-16.1M
FCF Margin
QTRX
QTRX
RPID
RPID
Q4 25
-37.7%
-29.6%
Q3 25
-104.2%
-116.4%
Q2 25
-26.3%
-138.6%
Q1 25
-49.9%
-130.2%
Q4 24
-13.4%
-121.8%
Q3 24
-18.4%
-116.0%
Q2 24
-19.1%
-159.8%
Q1 24
-64.5%
-287.1%
Capex Intensity
QTRX
QTRX
RPID
RPID
Q4 25
0.2%
0.8%
Q3 25
1.7%
0.9%
Q2 25
3.2%
5.0%
Q1 25
4.1%
4.4%
Q4 24
1.2%
1.2%
Q3 24
2.4%
2.9%
Q2 24
4.7%
6.9%
Q1 24
1.6%
10.4%

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%

RPID
RPID

Products$9.3M83%
Services$2.0M17%

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