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Side-by-side financial comparison of Arq, Inc. (ARQ) and Cardlytics, Inc. (CDLX). Click either name above to swap in a different company.

Cardlytics, Inc. is the larger business by last-quarter revenue ($50.9M vs $29.4M, roughly 1.7× Arq, Inc.). On growth, Arq, Inc. posted the faster year-over-year revenue change (8.8% vs -25.5%). Cardlytics, Inc. produced more free cash flow last quarter ($13.0M vs $-3.5M). Over the past eight quarters, Arq, Inc.'s revenue compounded faster (16.4% CAGR vs -9.6%).

Arq, Inc. is a sustainable technology firm focused on processing coal mining waste to produce high-value, low-carbon solid fuels and industrial carbon products. It caters to customers across the energy, construction, and manufacturing sectors, with core markets in North America and major European regions, aiming to cut industrial waste and carbon footprints for its clients.

Cardlytics is a leading purchase intelligence and advertising platform that partners with major banks to analyze anonymized consumer transaction data. It delivers targeted, performance-driven ad campaigns for consumer brands, retailers and service providers, helping advertisers reach audiences based on real purchase behavior, with core operations across North America and the United Kingdom.

ARQ vs CDLX — Head-to-Head

Bigger by revenue
CDLX
CDLX
1.7× larger
CDLX
$50.9M
$29.4M
ARQ
Growing faster (revenue YoY)
ARQ
ARQ
+34.3% gap
ARQ
8.8%
-25.5%
CDLX
More free cash flow
CDLX
CDLX
$16.5M more FCF
CDLX
$13.0M
$-3.5M
ARQ
Faster 2-yr revenue CAGR
ARQ
ARQ
Annualised
ARQ
16.4%
-9.6%
CDLX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ARQ
ARQ
CDLX
CDLX
Revenue
$29.4M
$50.9M
Net Profit
Gross Margin
13.6%
Operating Margin
-174.1%
-12.0%
Net Margin
Revenue YoY
8.8%
-25.5%
Net Profit YoY
EPS (diluted)
$-1.20
$-0.15

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
ARQ
ARQ
CDLX
CDLX
Q4 25
$29.4M
$50.9M
Q3 25
$35.1M
$47.0M
Q2 25
$28.6M
$58.0M
Q1 25
$27.2M
$56.4M
Q4 24
$27.0M
$68.3M
Q3 24
$34.8M
$61.1M
Q2 24
$25.4M
$64.0M
Q1 24
$21.7M
$62.2M
Net Profit
ARQ
ARQ
CDLX
CDLX
Q4 25
Q3 25
$-653.0K
$-72.7M
Q2 25
$-2.1M
$-9.3M
Q1 25
$203.0K
$-13.3M
Q4 24
Q3 24
$1.6M
$-145.2M
Q2 24
$-2.0M
$-4.3M
Q1 24
$-3.4M
$-24.3M
Gross Margin
ARQ
ARQ
CDLX
CDLX
Q4 25
13.6%
Q3 25
28.8%
Q2 25
33.3%
Q1 25
36.4%
Q4 24
36.3%
Q3 24
38.6%
Q2 24
32.2%
Q1 24
36.9%
Operating Margin
ARQ
ARQ
CDLX
CDLX
Q4 25
-174.1%
-12.0%
Q3 25
-2.4%
-146.6%
Q2 25
-5.4%
-22.0%
Q1 25
2.4%
-24.9%
Q4 24
1.5%
-12.2%
Q3 24
5.8%
-243.1%
Q2 24
-5.6%
-24.7%
Q1 24
-13.7%
-36.7%
Net Margin
ARQ
ARQ
CDLX
CDLX
Q4 25
Q3 25
-1.9%
-154.7%
Q2 25
-7.5%
-16.0%
Q1 25
0.7%
-23.5%
Q4 24
Q3 24
4.7%
-237.6%
Q2 24
-7.7%
-6.7%
Q1 24
-15.7%
-39.0%
EPS (diluted)
ARQ
ARQ
CDLX
CDLX
Q4 25
$-1.20
$-0.15
Q3 25
$-0.02
$-1.36
Q2 25
$-0.05
$-0.18
Q1 25
$0.00
$-0.26
Q4 24
$-0.03
$-0.36
Q3 24
$0.04
$-2.90
Q2 24
$-0.06
$-0.09
Q1 24
$-0.09
$-0.56

Balance Sheet & Financial Strength

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

Metric
ARQ
ARQ
CDLX
CDLX
Cash + ST InvestmentsLiquidity on hand
$6.6M
$48.7M
Total DebtLower is stronger
$28.7M
$212.6M
Stockholders' EquityBook value
$168.0M
$-6.5M
Total Assets
$230.6M
$285.6M
Debt / EquityLower = less leverage
0.17×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARQ
ARQ
CDLX
CDLX
Q4 25
$6.6M
$48.7M
Q3 25
$7.0M
$44.0M
Q2 25
$7.0M
$46.7M
Q1 25
$6.3M
$52.0M
Q4 24
$13.5M
$65.6M
Q3 24
$48.7M
$67.0M
Q2 24
$28.5M
$71.2M
Q1 24
$35.2M
$97.8M
Total Debt
ARQ
ARQ
CDLX
CDLX
Q4 25
$28.7M
$212.6M
Q3 25
$26.1M
$214.6M
Q2 25
$28.9M
$214.3M
Q1 25
$27.1M
$213.9M
Q4 24
$25.1M
$213.6M
Q3 24
$21.6M
$213.2M
Q2 24
$22.2M
$212.9M
Q1 24
$22.6M
$257.9M
Stockholders' Equity
ARQ
ARQ
CDLX
CDLX
Q4 25
$168.0M
$-6.5M
Q3 25
$217.2M
$-4.7M
Q2 25
$216.8M
$58.7M
Q1 25
$218.2M
$64.1M
Q4 24
$217.3M
$70.0M
Q3 24
$218.1M
$69.7M
Q2 24
$189.6M
$210.0M
Q1 24
$175.2M
$199.1M
Total Assets
ARQ
ARQ
CDLX
CDLX
Q4 25
$230.6M
$285.6M
Q3 25
$277.9M
$292.8M
Q2 25
$284.5M
$361.1M
Q1 25
$283.7M
$369.1M
Q4 24
$284.4M
$392.7M
Q3 24
$280.0M
$399.4M
Q2 24
$248.6M
$534.4M
Q1 24
$229.8M
$569.0M
Debt / Equity
ARQ
ARQ
CDLX
CDLX
Q4 25
0.17×
Q3 25
0.12×
Q2 25
0.13×
3.65×
Q1 25
0.12×
3.34×
Q4 24
0.12×
3.05×
Q3 24
0.10×
3.06×
Q2 24
0.12×
1.01×
Q1 24
0.13×
1.29×

Cash Flow & Capital Efficiency

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

Metric
ARQ
ARQ
CDLX
CDLX
Operating Cash FlowLast quarter
$-2.8M
$13.0M
Free Cash FlowOCF − Capex
$-3.5M
$13.0M
FCF MarginFCF / Revenue
-12.0%
25.5%
Capex IntensityCapex / Revenue
2.7%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-11.3M
$8.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARQ
ARQ
CDLX
CDLX
Q4 25
$-2.8M
$13.0M
Q3 25
$5.3M
$1.8M
Q2 25
$527.0K
$1.2M
Q1 25
$-5.8M
$-6.7M
Q4 24
$5.2M
$3.0M
Q3 24
$7.7M
$1.4M
Q2 24
$-3.0M
$4.4M
Q1 24
$526.0K
$-17.6M
Free Cash Flow
ARQ
ARQ
CDLX
CDLX
Q4 25
$-3.5M
$13.0M
Q3 25
$3.1M
$1.7M
Q2 25
$-1.4M
$903.0K
Q1 25
$-9.5M
$-6.8M
Q4 24
$-37.8M
$2.9M
Q3 24
$-5.8M
$878.0K
Q2 24
$-22.1M
$4.1M
Q1 24
$-9.1M
$-18.3M
FCF Margin
ARQ
ARQ
CDLX
CDLX
Q4 25
-12.0%
25.5%
Q3 25
8.8%
3.7%
Q2 25
-4.7%
1.6%
Q1 25
-34.9%
-12.1%
Q4 24
-139.6%
4.2%
Q3 24
-16.5%
1.4%
Q2 24
-87.1%
6.5%
Q1 24
-41.7%
-29.4%
Capex Intensity
ARQ
ARQ
CDLX
CDLX
Q4 25
2.7%
0.0%
Q3 25
6.3%
0.0%
Q2 25
6.6%
0.6%
Q1 25
13.6%
0.2%
Q4 24
158.9%
0.2%
Q3 24
38.7%
0.8%
Q2 24
75.5%
0.4%
Q1 24
44.1%
1.0%
Cash Conversion
ARQ
ARQ
CDLX
CDLX
Q4 25
Q3 25
Q2 25
Q1 25
-28.59×
Q4 24
Q3 24
4.76×
Q2 24
Q1 24

Financial Flow Comparison

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

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