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Side-by-side financial comparison of Core Laboratories Inc. (CLB) and PDF SOLUTIONS INC (PDFS). Click either name above to swap in a different company.

Core Laboratories Inc. is the larger business by last-quarter revenue ($121.8M vs $62.4M, roughly 2.0× PDF SOLUTIONS INC). Core Laboratories Inc. runs the higher net margin — 4.2% vs -0.1%, a 4.3% gap on every dollar of revenue. On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs -1.4%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $517.0K). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs -3.4%).

Abbott Laboratories, commonly known as Abbott, is an American multinational medical devices and health care company with headquarters in Abbott Park, Illinois. The company produces pharmaceuticals for sale outside the United States, diagnostic products, nutritional products, and medical devices.

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.

CLB vs PDFS — Head-to-Head

Bigger by revenue
CLB
CLB
2.0× larger
CLB
$121.8M
$62.4M
PDFS
Growing faster (revenue YoY)
PDFS
PDFS
+26.0% gap
PDFS
24.6%
-1.4%
CLB
Higher net margin
CLB
CLB
4.3% more per $
CLB
4.2%
-0.1%
PDFS
More free cash flow
PDFS
PDFS
$7.0M more FCF
PDFS
$7.5M
$517.0K
CLB
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
-3.4%
CLB

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CLB
CLB
PDFS
PDFS
Revenue
$121.8M
$62.4M
Net Profit
$5.1M
$-48.0K
Gross Margin
72.9%
Operating Margin
1.5%
5.5%
Net Margin
4.2%
-0.1%
Revenue YoY
-1.4%
24.6%
Net Profit YoY
-108.9%
EPS (diluted)
$0.11
$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
CLB
CLB
PDFS
PDFS
Q1 26
$121.8M
Q4 25
$138.3M
$62.4M
Q3 25
$134.5M
$57.1M
Q2 25
$130.2M
$51.7M
Q1 25
$123.6M
$47.8M
Q4 24
$129.2M
$50.1M
Q3 24
$134.4M
$46.4M
Q2 24
$130.6M
$41.7M
Net Profit
CLB
CLB
PDFS
PDFS
Q1 26
$5.1M
Q4 25
$4.9M
$-48.0K
Q3 25
$14.2M
$1.3M
Q2 25
$10.6M
$1.1M
Q1 25
$-154.0K
$-3.0M
Q4 24
$7.4M
$539.0K
Q3 24
$11.7M
$2.2M
Q2 24
$9.0M
$1.7M
Gross Margin
CLB
CLB
PDFS
PDFS
Q1 26
Q4 25
20.8%
72.9%
Q3 25
22.0%
72.3%
Q2 25
20.3%
71.2%
Q1 25
19.5%
72.9%
Q4 24
17.8%
68.3%
Q3 24
20.5%
73.1%
Q2 24
21.2%
70.6%
Operating Margin
CLB
CLB
PDFS
PDFS
Q1 26
1.5%
Q4 25
11.5%
5.5%
Q3 25
15.6%
8.5%
Q2 25
11.7%
2.2%
Q1 25
3.6%
-7.4%
Q4 24
11.0%
1.0%
Q3 24
14.7%
4.6%
Q2 24
12.3%
0.6%
Net Margin
CLB
CLB
PDFS
PDFS
Q1 26
4.2%
Q4 25
3.6%
-0.1%
Q3 25
10.6%
2.3%
Q2 25
8.2%
2.2%
Q1 25
-0.1%
-6.3%
Q4 24
5.7%
1.1%
Q3 24
8.7%
4.8%
Q2 24
6.9%
4.1%
EPS (diluted)
CLB
CLB
PDFS
PDFS
Q1 26
$0.11
Q4 25
$0.11
$0.00
Q3 25
$0.30
$0.03
Q2 25
$0.22
$0.03
Q1 25
$0.00
$-0.08
Q4 24
$0.15
$0.01
Q3 24
$0.25
$0.06
Q2 24
$0.19
$0.04

Balance Sheet & Financial Strength

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

Metric
CLB
CLB
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$22.8M
$42.2M
Total DebtLower is stronger
$67.0M
Stockholders' EquityBook value
$275.1M
$271.0M
Total Assets
$587.7M
$418.7M
Debt / EquityLower = less leverage
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLB
CLB
PDFS
PDFS
Q1 26
$22.8M
Q4 25
$22.7M
$42.2M
Q3 25
$25.6M
$35.9M
Q2 25
$31.2M
$40.4M
Q1 25
$22.1M
$54.1M
Q4 24
$19.2M
$114.9M
Q3 24
$21.5M
$120.2M
Q2 24
$17.7M
$117.9M
Total Debt
CLB
CLB
PDFS
PDFS
Q1 26
Q4 25
$110.3M
$67.0M
Q3 25
$114.1M
$67.6M
Q2 25
$124.6M
$68.1M
Q1 25
$124.4M
$68.7M
Q4 24
$126.1M
Q3 24
$139.9M
Q2 24
$147.6M
Stockholders' Equity
CLB
CLB
PDFS
PDFS
Q1 26
$275.1M
Q4 25
$266.0M
$271.0M
Q3 25
$271.3M
$264.4M
Q2 25
$261.3M
$257.5M
Q1 25
$253.4M
$249.0M
Q4 24
$246.6M
$246.0M
Q3 24
$250.7M
$240.5M
Q2 24
$240.3M
$232.2M
Total Assets
CLB
CLB
PDFS
PDFS
Q1 26
$587.7M
Q4 25
$584.0M
$418.7M
Q3 25
$591.4M
$406.4M
Q2 25
$602.1M
$391.1M
Q1 25
$591.5M
$390.0M
Q4 24
$585.1M
$315.3M
Q3 24
$600.5M
$307.4M
Q2 24
$597.8M
$298.0M
Debt / Equity
CLB
CLB
PDFS
PDFS
Q1 26
Q4 25
0.41×
0.25×
Q3 25
0.42×
0.26×
Q2 25
0.48×
0.26×
Q1 25
0.49×
0.28×
Q4 24
0.51×
Q3 24
0.56×
Q2 24
0.61×

Cash Flow & Capital Efficiency

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

Metric
CLB
CLB
PDFS
PDFS
Operating Cash FlowLast quarter
$4.0M
$17.3M
Free Cash FlowOCF − Capex
$517.0K
$7.5M
FCF MarginFCF / Revenue
0.4%
12.1%
Capex IntensityCapex / Revenue
15.7%
Cash ConversionOCF / Net Profit
0.77×
TTM Free Cash FlowTrailing 4 quarters
$22.5M
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLB
CLB
PDFS
PDFS
Q1 26
$4.0M
Q4 25
$7.9M
$17.3M
Q3 25
$8.5M
$3.3M
Q2 25
$13.9M
$-5.2M
Q1 25
$6.7M
$8.6M
Q4 24
$20.6M
$1.6M
Q3 24
$13.1M
$9.3M
Q2 24
$17.1M
$684.0K
Free Cash Flow
CLB
CLB
PDFS
PDFS
Q1 26
$517.0K
Q4 25
$5.0M
$7.5M
Q3 25
$6.5M
$-2.9M
Q2 25
$10.4M
$-13.8M
Q1 25
$3.9M
$535.0K
Q4 24
$17.4M
$-4.0M
Q3 24
$10.4M
$5.1M
Q2 24
$14.3M
$-4.6M
FCF Margin
CLB
CLB
PDFS
PDFS
Q1 26
0.4%
Q4 25
3.6%
12.1%
Q3 25
4.8%
-5.1%
Q2 25
8.0%
-26.6%
Q1 25
3.1%
1.1%
Q4 24
13.4%
-8.0%
Q3 24
7.7%
11.0%
Q2 24
10.9%
-11.1%
Capex Intensity
CLB
CLB
PDFS
PDFS
Q1 26
Q4 25
2.1%
15.7%
Q3 25
1.5%
10.8%
Q2 25
2.7%
16.5%
Q1 25
2.3%
17.0%
Q4 24
2.5%
11.3%
Q3 24
2.0%
9.0%
Q2 24
2.2%
12.8%
Cash Conversion
CLB
CLB
PDFS
PDFS
Q1 26
0.77×
Q4 25
1.61×
Q3 25
0.60×
2.54×
Q2 25
1.31×
-4.55×
Q1 25
Q4 24
2.78×
2.98×
Q3 24
1.12×
4.20×
Q2 24
1.90×
0.40×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLB
CLB

Segment breakdown not available.

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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