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

READING INTERNATIONAL INC is the larger business by last-quarter revenue ($50.3M vs $43.9M, roughly 1.1× Quanterix Corp). READING INTERNATIONAL INC runs the higher net margin — -5.1% vs -52.7%, a 47.6% gap on every dollar of revenue. On growth, Quanterix Corp posted the faster year-over-year revenue change (24.7% vs -14.2%). READING INTERNATIONAL INC produced more free cash flow last quarter ($4.1M vs $-16.5M). Over the past eight quarters, Quanterix Corp's revenue compounded faster (16.9% CAGR vs 5.6%).

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.

The Reading Company was a Philadelphia-headquartered railroad that provided passenger and freight transport in eastern Pennsylvania and neighboring states from 1924 until its acquisition by Conrail in 1976.

QTRX vs RDI — Head-to-Head

Bigger by revenue
RDI
RDI
1.1× larger
RDI
$50.3M
$43.9M
QTRX
Growing faster (revenue YoY)
QTRX
QTRX
+38.9% gap
QTRX
24.7%
-14.2%
RDI
Higher net margin
RDI
RDI
47.6% more per $
RDI
-5.1%
-52.7%
QTRX
More free cash flow
RDI
RDI
$20.7M more FCF
RDI
$4.1M
$-16.5M
QTRX
Faster 2-yr revenue CAGR
QTRX
QTRX
Annualised
QTRX
16.9%
5.6%
RDI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
QTRX
QTRX
RDI
RDI
Revenue
$43.9M
$50.3M
Net Profit
$-23.1M
$-2.6M
Gross Margin
45.7%
Operating Margin
-56.4%
-1.9%
Net Margin
-52.7%
-5.1%
Revenue YoY
24.7%
-14.2%
Net Profit YoY
-98.8%
-14.5%
EPS (diluted)
$-0.48
$-0.11

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
RDI
RDI
Q4 25
$43.9M
$50.3M
Q3 25
$40.2M
$52.2M
Q2 25
$24.5M
$60.4M
Q1 25
$30.3M
$40.2M
Q4 24
$35.2M
$58.6M
Q3 24
$35.8M
$60.1M
Q2 24
$34.4M
$46.8M
Q1 24
$32.1M
$45.1M
Net Profit
QTRX
QTRX
RDI
RDI
Q4 25
$-23.1M
$-2.6M
Q3 25
$-33.5M
$-4.2M
Q2 25
$-30.0M
$-2.7M
Q1 25
$-20.5M
$-4.8M
Q4 24
$-11.6M
$-2.2M
Q3 24
$-8.4M
$-7.0M
Q2 24
$-7.4M
$-12.8M
Q1 24
$-11.2M
$-13.2M
Gross Margin
QTRX
QTRX
RDI
RDI
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
RDI
RDI
Q4 25
-56.4%
-1.9%
Q3 25
-92.8%
-0.6%
Q2 25
-151.6%
4.8%
Q1 25
-86.9%
-17.2%
Q4 24
-42.0%
2.6%
Q3 24
-32.8%
-0.6%
Q2 24
-31.8%
-16.4%
Q1 24
-47.3%
-16.7%
Net Margin
QTRX
QTRX
RDI
RDI
Q4 25
-52.7%
-5.1%
Q3 25
-83.3%
-8.0%
Q2 25
-122.6%
-4.4%
Q1 25
-67.6%
-11.8%
Q4 24
-33.1%
-3.8%
Q3 24
-23.3%
-11.7%
Q2 24
-21.5%
-27.4%
Q1 24
-34.8%
-29.4%
EPS (diluted)
QTRX
QTRX
RDI
RDI
Q4 25
$-0.48
$-0.11
Q3 25
$-0.73
$-0.18
Q2 25
$-0.77
$-0.12
Q1 25
$-0.53
$-0.21
Q4 24
$-0.30
$-0.11
Q3 24
$-0.22
$-0.31
Q2 24
$-0.19
$-0.57
Q1 24
$-0.29
$-0.59

Balance Sheet & Financial Strength

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

Metric
QTRX
QTRX
RDI
RDI
Cash + ST InvestmentsLiquidity on hand
$29.8M
$10.5M
Total DebtLower is stronger
$185.1M
Stockholders' EquityBook value
$295.7M
$-18.2M
Total Assets
$418.8M
$434.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
QTRX
QTRX
RDI
RDI
Q4 25
$29.8M
$10.5M
Q3 25
$38.3M
$8.1M
Q2 25
$132.9M
$9.1M
Q1 25
$76.5M
$5.9M
Q4 24
$56.7M
$12.4M
Q3 24
$29.3M
$10.1M
Q2 24
$47.0M
$9.3M
Q1 24
$45.3M
$7.5M
Total Debt
QTRX
QTRX
RDI
RDI
Q4 25
$185.1M
Q3 25
Q2 25
Q1 25
Q4 24
$202.7M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
QTRX
QTRX
RDI
RDI
Q4 25
$295.7M
$-18.2M
Q3 25
$314.5M
$-12.1M
Q2 25
$292.5M
$-7.7M
Q1 25
$316.4M
$-8.1M
Q4 24
$330.0M
$-4.4M
Q3 24
$338.9M
$1.6M
Q2 24
$340.8M
$6.5M
Q1 24
$343.4M
$18.0M
Total Assets
QTRX
QTRX
RDI
RDI
Q4 25
$418.8M
$434.9M
Q3 25
$444.1M
$435.2M
Q2 25
$375.6M
$438.1M
Q1 25
$396.5M
$441.0M
Q4 24
$406.5M
$471.0M
Q3 24
$411.0M
$495.7M
Q2 24
$415.9M
$494.9M
Q1 24
$414.2M
$494.9M

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
RDI
RDI
Operating Cash FlowLast quarter
$-16.4M
$4.3M
Free Cash FlowOCF − Capex
$-16.5M
$4.1M
FCF MarginFCF / Revenue
-37.7%
8.2%
Capex IntensityCapex / Revenue
0.2%
0.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-80.0M
$-2.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
QTRX
QTRX
RDI
RDI
Q4 25
$-16.4M
$4.3M
Q3 25
$-41.2M
$295.0K
Q2 25
$-5.7M
$1.6M
Q1 25
$-13.9M
$-7.7M
Q4 24
$-4.3M
$8.0M
Q3 24
$-5.7M
$1.3M
Q2 24
$-5.0M
$-10.4M
Q1 24
$-20.2M
$-2.8M
Free Cash Flow
QTRX
QTRX
RDI
RDI
Q4 25
$-16.5M
$4.1M
Q3 25
$-41.9M
$-246.0K
Q2 25
$-6.4M
$1.2M
Q1 25
$-15.1M
$-8.0M
Q4 24
$-4.7M
$7.0M
Q3 24
$-6.6M
$-1.1M
Q2 24
$-6.5M
$-10.6M
Q1 24
$-20.7M
$-4.7M
FCF Margin
QTRX
QTRX
RDI
RDI
Q4 25
-37.7%
8.2%
Q3 25
-104.2%
-0.5%
Q2 25
-26.3%
1.9%
Q1 25
-49.9%
-19.8%
Q4 24
-13.4%
12.0%
Q3 24
-18.4%
-1.8%
Q2 24
-19.1%
-22.7%
Q1 24
-64.5%
-10.4%
Capex Intensity
QTRX
QTRX
RDI
RDI
Q4 25
0.2%
0.3%
Q3 25
1.7%
1.0%
Q2 25
3.2%
0.6%
Q1 25
4.1%
0.6%
Q4 24
1.2%
1.7%
Q3 24
2.4%
4.0%
Q2 24
4.7%
0.5%
Q1 24
1.6%
4.3%

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%

RDI
RDI

Cinema Exhibition Segment$46.9M93%
Real Estate Revenue$3.4M7%

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