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

Ardmore Shipping Corp is the larger business by last-quarter revenue ($81.2M vs $62.4M, roughly 1.3× PDF SOLUTIONS INC). Ardmore Shipping Corp runs the higher net margin — 15.7% vs -0.1%, a 15.8% gap on every dollar of revenue. On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs -15.5%). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs -6.0%).

Ardmore Shipping Corp is a global maritime transport company that owns and operates a fleet of mid-sized product and chemical tankers. It provides seaborne transport for petroleum products, specialty chemicals and bulk liquid commodities, serving energy, chemical and trading clients across key international trade routes.

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.

ASC vs PDFS — Head-to-Head

Bigger by revenue
ASC
ASC
1.3× larger
ASC
$81.2M
$62.4M
PDFS
Growing faster (revenue YoY)
PDFS
PDFS
+40.1% gap
PDFS
24.6%
-15.5%
ASC
Higher net margin
ASC
ASC
15.8% more per $
ASC
15.7%
-0.1%
PDFS
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
-6.0%
ASC

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
ASC
ASC
PDFS
PDFS
Revenue
$81.2M
$62.4M
Net Profit
$12.8M
$-48.0K
Gross Margin
72.9%
Operating Margin
16.1%
5.5%
Net Margin
15.7%
-0.1%
Revenue YoY
-15.5%
24.6%
Net Profit YoY
-47.0%
-108.9%
EPS (diluted)
$0.30
$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
ASC
ASC
PDFS
PDFS
Q4 25
$62.4M
Q3 25
$81.2M
$57.1M
Q2 25
$72.0M
$51.7M
Q1 25
$74.0M
$47.8M
Q4 24
$50.1M
Q3 24
$96.1M
$46.4M
Q2 24
$121.3M
$41.7M
Q1 24
$106.3M
$41.3M
Net Profit
ASC
ASC
PDFS
PDFS
Q4 25
$-48.0K
Q3 25
$12.8M
$1.3M
Q2 25
$9.6M
$1.1M
Q1 25
$6.3M
$-3.0M
Q4 24
$539.0K
Q3 24
$24.1M
$2.2M
Q2 24
$62.7M
$1.7M
Q1 24
$39.2M
$-393.0K
Gross Margin
ASC
ASC
PDFS
PDFS
Q4 25
72.9%
Q3 25
72.3%
Q2 25
71.2%
Q1 25
72.9%
Q4 24
68.3%
Q3 24
73.1%
Q2 24
70.6%
Q1 24
67.3%
Operating Margin
ASC
ASC
PDFS
PDFS
Q4 25
5.5%
Q3 25
16.1%
8.5%
Q2 25
13.5%
2.2%
Q1 25
8.6%
-7.4%
Q4 24
1.0%
Q3 24
25.4%
4.6%
Q2 24
51.3%
0.6%
Q1 24
37.2%
-4.7%
Net Margin
ASC
ASC
PDFS
PDFS
Q4 25
-0.1%
Q3 25
15.7%
2.3%
Q2 25
13.3%
2.2%
Q1 25
8.5%
-6.3%
Q4 24
1.1%
Q3 24
25.1%
4.8%
Q2 24
51.7%
4.1%
Q1 24
36.9%
-1.0%
EPS (diluted)
ASC
ASC
PDFS
PDFS
Q4 25
$0.00
Q3 25
$0.30
$0.03
Q2 25
$0.22
$0.03
Q1 25
$0.14
$-0.08
Q4 24
$0.01
Q3 24
$0.55
$0.06
Q2 24
$1.47
$0.04
Q1 24
$0.92
$-0.01

Balance Sheet & Financial Strength

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

Metric
ASC
ASC
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$42.2M
Total DebtLower is stronger
$116.1M
$67.0M
Stockholders' EquityBook value
$628.2M
$271.0M
Total Assets
$799.8M
$418.7M
Debt / EquityLower = less leverage
0.18×
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASC
ASC
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
ASC
ASC
PDFS
PDFS
Q4 25
$67.0M
Q3 25
$116.1M
$67.6M
Q2 25
$25.0M
$68.1M
Q1 25
$20.5M
$68.7M
Q4 24
Q3 24
$22.5M
Q2 24
$44.2M
Q1 24
$23.1M
Stockholders' Equity
ASC
ASC
PDFS
PDFS
Q4 25
$271.0M
Q3 25
$628.2M
$264.4M
Q2 25
$618.3M
$257.5M
Q1 25
$610.7M
$249.0M
Q4 24
$246.0M
Q3 24
$627.0M
$240.5M
Q2 24
$617.7M
$232.2M
Q1 24
$567.9M
$225.4M
Total Assets
ASC
ASC
PDFS
PDFS
Q4 25
$418.7M
Q3 25
$799.8M
$406.4M
Q2 25
$703.8M
$391.1M
Q1 25
$690.4M
$390.0M
Q4 24
$315.3M
Q3 24
$722.8M
$307.4M
Q2 24
$742.0M
$298.0M
Q1 24
$704.1M
$286.8M
Debt / Equity
ASC
ASC
PDFS
PDFS
Q4 25
0.25×
Q3 25
0.18×
0.26×
Q2 25
0.04×
0.26×
Q1 25
0.03×
0.28×
Q4 24
Q3 24
0.04×
Q2 24
0.07×
Q1 24
0.04×

Cash Flow & Capital Efficiency

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

Metric
ASC
ASC
PDFS
PDFS
Operating Cash FlowLast quarter
$17.9M
$17.3M
Free Cash FlowOCF − Capex
$7.5M
FCF MarginFCF / Revenue
12.1%
Capex IntensityCapex / Revenue
15.7%
Cash ConversionOCF / Net Profit
1.40×
TTM Free Cash FlowTrailing 4 quarters
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASC
ASC
PDFS
PDFS
Q4 25
$17.3M
Q3 25
$17.9M
$3.3M
Q2 25
$11.2M
$-5.2M
Q1 25
$26.3M
$8.6M
Q4 24
$1.6M
Q3 24
$39.9M
$9.3M
Q2 24
$48.4M
$684.0K
Q1 24
$49.2M
$-1.9M
Free Cash Flow
ASC
ASC
PDFS
PDFS
Q4 25
$7.5M
Q3 25
$-2.9M
Q2 25
$-13.8M
Q1 25
$535.0K
Q4 24
$-4.0M
Q3 24
$5.1M
Q2 24
$-4.6M
Q1 24
$-3.9M
FCF Margin
ASC
ASC
PDFS
PDFS
Q4 25
12.1%
Q3 25
-5.1%
Q2 25
-26.6%
Q1 25
1.1%
Q4 24
-8.0%
Q3 24
11.0%
Q2 24
-11.1%
Q1 24
-9.4%
Capex Intensity
ASC
ASC
PDFS
PDFS
Q4 25
15.7%
Q3 25
10.8%
Q2 25
16.5%
Q1 25
17.0%
Q4 24
11.3%
Q3 24
9.0%
Q2 24
12.8%
Q1 24
4.9%
Cash Conversion
ASC
ASC
PDFS
PDFS
Q4 25
Q3 25
1.40×
2.54×
Q2 25
1.17×
-4.55×
Q1 25
4.20×
Q4 24
2.98×
Q3 24
1.65×
4.20×
Q2 24
0.77×
0.40×
Q1 24
1.25×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASC
ASC

Segment breakdown not available.

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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