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Side-by-side financial comparison of Cambium Networks Corp (CMBM) and PDF SOLUTIONS INC (PDFS). Click either name above to swap in a different company.

PDF SOLUTIONS INC is the larger business by last-quarter revenue ($62.4M vs $40.3M, roughly 1.5× Cambium Networks Corp). PDF SOLUTIONS INC runs the higher net margin — -0.1% vs -17.9%, a 17.9% gap on every dollar of revenue. On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs -23.2%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $-10.8M). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs -27.2%).

Cambium Networks Corporation is an American manufacturer of wireless telecommunications equipment, including Enterprise WiFi, Network switch, Internet of Things, and fixed wireless broadband and Wi-Fi for enterprises products for Internet access. Publicly traded on the NASDAQ stock exchange, it spun out of Motorola in October 2011.

PDF Solutions, Inc. is an American multinational software and engineering services company based in Santa Clara, California. The company is listed in the Nasdaq stock exchange under the ticker symbol PDFS.

CMBM vs PDFS — Head-to-Head

Bigger by revenue
PDFS
PDFS
1.5× larger
PDFS
$62.4M
$40.3M
CMBM
Growing faster (revenue YoY)
PDFS
PDFS
+47.8% gap
PDFS
24.6%
-23.2%
CMBM
Higher net margin
PDFS
PDFS
17.9% more per $
PDFS
-0.1%
-17.9%
CMBM
More free cash flow
PDFS
PDFS
$18.4M more FCF
PDFS
$7.5M
$-10.8M
CMBM
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
-27.2%
CMBM

Income Statement — Q4 FY2024 vs Q4 FY2025

Metric
CMBM
CMBM
PDFS
PDFS
Revenue
$40.3M
$62.4M
Net Profit
$-7.2M
$-48.0K
Gross Margin
36.6%
72.9%
Operating Margin
-28.4%
5.5%
Net Margin
-17.9%
-0.1%
Revenue YoY
-23.2%
24.6%
Net Profit YoY
71.0%
-108.9%
EPS (diluted)
$-0.26
$0.00

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
CMBM
CMBM
PDFS
PDFS
Q4 25
$62.4M
Q3 25
$57.1M
Q2 25
$51.7M
Q1 25
$47.8M
Q4 24
$40.3M
$50.1M
Q3 24
$44.7M
$46.4M
Q2 24
$45.2M
$41.7M
Q1 24
$47.1M
$41.3M
Net Profit
CMBM
CMBM
PDFS
PDFS
Q4 25
$-48.0K
Q3 25
$1.3M
Q2 25
$1.1M
Q1 25
$-3.0M
Q4 24
$-7.2M
$539.0K
Q3 24
$-34.5M
$2.2M
Q2 24
$-14.2M
$1.7M
Q1 24
$-18.4M
$-393.0K
Gross Margin
CMBM
CMBM
PDFS
PDFS
Q4 25
72.9%
Q3 25
72.3%
Q2 25
71.2%
Q1 25
72.9%
Q4 24
36.6%
68.3%
Q3 24
43.6%
73.1%
Q2 24
32.5%
70.6%
Q1 24
29.8%
67.3%
Operating Margin
CMBM
CMBM
PDFS
PDFS
Q4 25
5.5%
Q3 25
8.5%
Q2 25
2.2%
Q1 25
-7.4%
Q4 24
-28.4%
1.0%
Q3 24
-69.6%
4.6%
Q2 24
-27.2%
0.6%
Q1 24
-33.1%
-4.7%
Net Margin
CMBM
CMBM
PDFS
PDFS
Q4 25
-0.1%
Q3 25
2.3%
Q2 25
2.2%
Q1 25
-6.3%
Q4 24
-17.9%
1.1%
Q3 24
-77.3%
4.8%
Q2 24
-31.5%
4.1%
Q1 24
-39.2%
-1.0%
EPS (diluted)
CMBM
CMBM
PDFS
PDFS
Q4 25
$0.00
Q3 25
$0.03
Q2 25
$0.03
Q1 25
$-0.08
Q4 24
$-0.26
$0.01
Q3 24
$-1.22
$0.06
Q2 24
$-0.51
$0.04
Q1 24
$-0.66
$-0.01

Balance Sheet & Financial Strength

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

Metric
CMBM
CMBM
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$42.2M
Total DebtLower is stronger
$67.6M
$67.0M
Stockholders' EquityBook value
$-3.2M
$271.0M
Total Assets
$173.7M
$418.7M
Debt / EquityLower = less leverage
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CMBM
CMBM
PDFS
PDFS
Q4 25
$42.2M
Q3 25
$35.9M
Q2 25
$40.4M
Q1 25
$54.1M
Q4 24
$114.9M
Q3 24
$120.2M
Q2 24
$117.9M
Q1 24
$122.9M
Total Debt
CMBM
CMBM
PDFS
PDFS
Q4 25
$67.0M
Q3 25
$67.6M
Q2 25
$68.1M
Q1 25
$68.7M
Q4 24
$67.6M
Q3 24
$67.6M
Q2 24
$68.9M
Q1 24
$63.8M
Stockholders' Equity
CMBM
CMBM
PDFS
PDFS
Q4 25
$271.0M
Q3 25
$264.4M
Q2 25
$257.5M
Q1 25
$249.0M
Q4 24
$-3.2M
$246.0M
Q3 24
$1.9M
$240.5M
Q2 24
$34.1M
$232.2M
Q1 24
$45.0M
$225.4M
Total Assets
CMBM
CMBM
PDFS
PDFS
Q4 25
$418.7M
Q3 25
$406.4M
Q2 25
$391.1M
Q1 25
$390.0M
Q4 24
$173.7M
$315.3M
Q3 24
$194.3M
$307.4M
Q2 24
$221.1M
$298.0M
Q1 24
$219.8M
$286.8M
Debt / Equity
CMBM
CMBM
PDFS
PDFS
Q4 25
0.25×
Q3 25
0.26×
Q2 25
0.26×
Q1 25
0.28×
Q4 24
Q3 24
36.12×
Q2 24
2.02×
Q1 24
1.42×

Cash Flow & Capital Efficiency

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

Metric
CMBM
CMBM
PDFS
PDFS
Operating Cash FlowLast quarter
$-10.4M
$17.3M
Free Cash FlowOCF − Capex
$-10.8M
$7.5M
FCF MarginFCF / Revenue
-26.8%
12.1%
Capex IntensityCapex / Revenue
1.1%
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-21.4M
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CMBM
CMBM
PDFS
PDFS
Q4 25
$17.3M
Q3 25
$3.3M
Q2 25
$-5.2M
Q1 25
$8.6M
Q4 24
$-10.4M
$1.6M
Q3 24
$8.9M
$9.3M
Q2 24
$2.4M
$684.0K
Q1 24
$-15.9M
$-1.9M
Free Cash Flow
CMBM
CMBM
PDFS
PDFS
Q4 25
$7.5M
Q3 25
$-2.9M
Q2 25
$-13.8M
Q1 25
$535.0K
Q4 24
$-10.8M
$-4.0M
Q3 24
$6.8M
$5.1M
Q2 24
$87.0K
$-4.6M
Q1 24
$-17.4M
$-3.9M
FCF Margin
CMBM
CMBM
PDFS
PDFS
Q4 25
12.1%
Q3 25
-5.1%
Q2 25
-26.6%
Q1 25
1.1%
Q4 24
-26.8%
-8.0%
Q3 24
15.2%
11.0%
Q2 24
0.2%
-11.1%
Q1 24
-37.0%
-9.4%
Capex Intensity
CMBM
CMBM
PDFS
PDFS
Q4 25
15.7%
Q3 25
10.8%
Q2 25
16.5%
Q1 25
17.0%
Q4 24
1.1%
11.3%
Q3 24
4.8%
9.0%
Q2 24
5.1%
12.8%
Q1 24
3.3%
4.9%
Cash Conversion
CMBM
CMBM
PDFS
PDFS
Q4 25
Q3 25
2.54×
Q2 25
-4.55×
Q1 25
Q4 24
2.98×
Q3 24
4.20×
Q2 24
0.40×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CMBM
CMBM

Enterprise$16.6M41%
Point To Multi Point$16.4M41%
Other$5.8M14%

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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