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

Cardlytics, Inc. is the larger business by last-quarter revenue ($50.9M vs $33.9M, roughly 1.5× Spok Holdings, Inc). On growth, Spok Holdings, Inc posted the faster year-over-year revenue change (-0.1% vs -25.5%). Cardlytics, Inc. produced more free cash flow last quarter ($13.0M vs $10.1M). Over the past eight quarters, Spok Holdings, Inc's revenue compounded faster (-1.5% CAGR vs -9.6%).

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.

Spok Holdings, Inc. is a global provider of critical communication solutions primarily serving the healthcare industry. It offers unified clinical communication platforms, secure messaging tools, alerting systems, and on-call scheduling software that help care teams coordinate efficiently, cut response times, and boost patient safety across medical facilities.

CDLX vs SPOK — Head-to-Head

Bigger by revenue
CDLX
CDLX
1.5× larger
CDLX
$50.9M
$33.9M
SPOK
Growing faster (revenue YoY)
SPOK
SPOK
+25.4% gap
SPOK
-0.1%
-25.5%
CDLX
More free cash flow
CDLX
CDLX
$2.9M more FCF
CDLX
$13.0M
$10.1M
SPOK
Faster 2-yr revenue CAGR
SPOK
SPOK
Annualised
SPOK
-1.5%
-9.6%
CDLX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CDLX
CDLX
SPOK
SPOK
Revenue
$50.9M
$33.9M
Net Profit
$2.9M
Gross Margin
76.7%
Operating Margin
-12.0%
11.6%
Net Margin
8.7%
Revenue YoY
-25.5%
-0.1%
Net Profit YoY
-19.6%
EPS (diluted)
$-0.15
$0.13

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
CDLX
CDLX
SPOK
SPOK
Q4 25
$50.9M
$33.9M
Q3 25
$47.0M
$33.9M
Q2 25
$58.0M
$35.7M
Q1 25
$56.4M
$36.3M
Q4 24
$68.3M
$33.9M
Q3 24
$61.1M
$34.9M
Q2 24
$64.0M
$34.0M
Q1 24
$62.2M
$34.9M
Net Profit
CDLX
CDLX
SPOK
SPOK
Q4 25
$2.9M
Q3 25
$-72.7M
$3.2M
Q2 25
$-9.3M
$4.6M
Q1 25
$-13.3M
$5.2M
Q4 24
$3.6M
Q3 24
$-145.2M
$3.7M
Q2 24
$-4.3M
$3.4M
Q1 24
$-24.3M
$4.2M
Gross Margin
CDLX
CDLX
SPOK
SPOK
Q4 25
76.7%
Q3 25
78.3%
Q2 25
79.5%
Q1 25
80.1%
Q4 24
78.5%
Q3 24
79.5%
Q2 24
78.9%
Q1 24
79.5%
Operating Margin
CDLX
CDLX
SPOK
SPOK
Q4 25
-12.0%
11.6%
Q3 25
-146.6%
12.9%
Q2 25
-22.0%
15.1%
Q1 25
-24.9%
16.6%
Q4 24
-12.2%
13.7%
Q3 24
-243.1%
14.2%
Q2 24
-24.7%
13.2%
Q1 24
-36.7%
14.0%
Net Margin
CDLX
CDLX
SPOK
SPOK
Q4 25
8.7%
Q3 25
-154.7%
9.5%
Q2 25
-16.0%
12.8%
Q1 25
-23.5%
14.3%
Q4 24
10.8%
Q3 24
-237.6%
10.5%
Q2 24
-6.7%
10.1%
Q1 24
-39.0%
12.1%
EPS (diluted)
CDLX
CDLX
SPOK
SPOK
Q4 25
$-0.15
$0.13
Q3 25
$-1.36
$0.15
Q2 25
$-0.18
$0.22
Q1 25
$-0.26
$0.25
Q4 24
$-0.36
$0.17
Q3 24
$-2.90
$0.18
Q2 24
$-0.09
$0.17
Q1 24
$-0.56
$0.21

Balance Sheet & Financial Strength

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

Metric
CDLX
CDLX
SPOK
SPOK
Cash + ST InvestmentsLiquidity on hand
$48.7M
$25.3M
Total DebtLower is stronger
$212.6M
Stockholders' EquityBook value
$-6.5M
$146.4M
Total Assets
$285.6M
$206.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CDLX
CDLX
SPOK
SPOK
Q4 25
$48.7M
$25.3M
Q3 25
$44.0M
$21.4M
Q2 25
$46.7M
$20.2M
Q1 25
$52.0M
$19.9M
Q4 24
$65.6M
$29.1M
Q3 24
$67.0M
$27.8M
Q2 24
$71.2M
$23.9M
Q1 24
$97.8M
$23.3M
Total Debt
CDLX
CDLX
SPOK
SPOK
Q4 25
$212.6M
Q3 25
$214.6M
Q2 25
$214.3M
Q1 25
$213.9M
Q4 24
$213.6M
Q3 24
$213.2M
Q2 24
$212.9M
Q1 24
$257.9M
Stockholders' Equity
CDLX
CDLX
SPOK
SPOK
Q4 25
$-6.5M
$146.4M
Q3 25
$-4.7M
$148.7M
Q2 25
$58.7M
$150.9M
Q1 25
$64.1M
$151.7M
Q4 24
$70.0M
$154.7M
Q3 24
$69.7M
$156.3M
Q2 24
$210.0M
$158.2M
Q1 24
$199.1M
$160.2M
Total Assets
CDLX
CDLX
SPOK
SPOK
Q4 25
$285.6M
$206.1M
Q3 25
$292.8M
$209.7M
Q2 25
$361.1M
$208.7M
Q1 25
$369.1M
$204.5M
Q4 24
$392.7M
$217.1M
Q3 24
$399.4M
$216.8M
Q2 24
$534.4M
$216.4M
Q1 24
$569.0M
$215.0M
Debt / Equity
CDLX
CDLX
SPOK
SPOK
Q4 25
Q3 25
Q2 25
3.65×
Q1 25
3.34×
Q4 24
3.05×
Q3 24
3.06×
Q2 24
1.01×
Q1 24
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
CDLX
CDLX
SPOK
SPOK
Operating Cash FlowLast quarter
$13.0M
$11.5M
Free Cash FlowOCF − Capex
$13.0M
$10.1M
FCF MarginFCF / Revenue
25.5%
29.9%
Capex IntensityCapex / Revenue
0.0%
4.1%
Cash ConversionOCF / Net Profit
3.93×
TTM Free Cash FlowTrailing 4 quarters
$8.8M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CDLX
CDLX
SPOK
SPOK
Q4 25
$13.0M
$11.5M
Q3 25
$1.8M
$8.1M
Q2 25
$1.2M
$7.0M
Q1 25
$-6.7M
$2.3M
Q4 24
$3.0M
$8.4M
Q3 24
$1.4M
$11.1M
Q2 24
$4.4M
$7.4M
Q1 24
$-17.6M
$2.0M
Free Cash Flow
CDLX
CDLX
SPOK
SPOK
Q4 25
$13.0M
$10.1M
Q3 25
$1.7M
$7.6M
Q2 25
$903.0K
$6.0M
Q1 25
$-6.8M
$1.5M
Q4 24
$2.9M
$7.5M
Q3 24
$878.0K
$10.3M
Q2 24
$4.1M
$6.8M
Q1 24
$-18.3M
$1.1M
FCF Margin
CDLX
CDLX
SPOK
SPOK
Q4 25
25.5%
29.9%
Q3 25
3.7%
22.4%
Q2 25
1.6%
16.8%
Q1 25
-12.1%
4.2%
Q4 24
4.2%
22.3%
Q3 24
1.4%
29.4%
Q2 24
6.5%
20.0%
Q1 24
-29.4%
3.2%
Capex Intensity
CDLX
CDLX
SPOK
SPOK
Q4 25
0.0%
4.1%
Q3 25
0.0%
1.6%
Q2 25
0.6%
2.9%
Q1 25
0.2%
2.1%
Q4 24
0.2%
2.5%
Q3 24
0.8%
2.4%
Q2 24
0.4%
1.9%
Q1 24
1.0%
2.5%
Cash Conversion
CDLX
CDLX
SPOK
SPOK
Q4 25
3.93×
Q3 25
2.54×
Q2 25
1.55×
Q1 25
0.43×
Q4 24
2.31×
Q3 24
3.03×
Q2 24
2.17×
Q1 24
0.47×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CDLX
CDLX

Segment breakdown not available.

SPOK
SPOK

Paging$16.8M50%
Software Operations$16.0M47%
License$1.2M4%

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