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

DLH Holdings Corp. is the larger business by last-quarter revenue ($68.9M vs $62.4M, roughly 1.1× PDF SOLUTIONS INC). PDF SOLUTIONS INC runs the higher net margin — -0.1% vs -1.9%, a 1.8% gap on every dollar of revenue. On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs -24.1%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $-4.8M). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs -17.4%).

DLH Holdings Corp. is a U.S.-based provider of technology-enabled healthcare, logistics, engineering, and mission support services primarily serving federal government agencies including the Department of Veterans Affairs, Department of Defense, and Department of Health and Human Services, as well as select state and local government clients across core public service segments.

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.

DLHC vs PDFS — Head-to-Head

Bigger by revenue
DLHC
DLHC
1.1× larger
DLHC
$68.9M
$62.4M
PDFS
Growing faster (revenue YoY)
PDFS
PDFS
+48.7% gap
PDFS
24.6%
-24.1%
DLHC
Higher net margin
PDFS
PDFS
1.8% more per $
PDFS
-0.1%
-1.9%
DLHC
More free cash flow
PDFS
PDFS
$12.4M more FCF
PDFS
$7.5M
$-4.8M
DLHC
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
-17.4%
DLHC

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
DLHC
DLHC
PDFS
PDFS
Revenue
$68.9M
$62.4M
Net Profit
$-1.3M
$-48.0K
Gross Margin
72.9%
Operating Margin
2.1%
5.5%
Net Margin
-1.9%
-0.1%
Revenue YoY
-24.1%
24.6%
Net Profit YoY
-218.7%
-108.9%
EPS (diluted)
$-0.09
$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
DLHC
DLHC
PDFS
PDFS
Q4 25
$68.9M
$62.4M
Q3 25
$81.2M
$57.1M
Q2 25
$83.3M
$51.7M
Q1 25
$89.2M
$47.8M
Q4 24
$90.8M
$50.1M
Q3 24
$96.4M
$46.4M
Q2 24
$100.7M
$41.7M
Q1 24
$101.0M
$41.3M
Net Profit
DLHC
DLHC
PDFS
PDFS
Q4 25
$-1.3M
$-48.0K
Q3 25
$-920.0K
$1.3M
Q2 25
$289.0K
$1.1M
Q1 25
$878.0K
$-3.0M
Q4 24
$1.1M
$539.0K
Q3 24
$2.3M
$2.2M
Q2 24
$1.1M
$1.7M
Q1 24
$1.8M
$-393.0K
Gross Margin
DLHC
DLHC
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
DLHC
DLHC
PDFS
PDFS
Q4 25
2.1%
5.5%
Q3 25
2.8%
8.5%
Q2 25
4.5%
2.2%
Q1 25
5.7%
-7.4%
Q4 24
6.2%
1.0%
Q3 24
6.6%
4.6%
Q2 24
5.7%
0.6%
Q1 24
5.9%
-4.7%
Net Margin
DLHC
DLHC
PDFS
PDFS
Q4 25
-1.9%
-0.1%
Q3 25
-1.1%
2.3%
Q2 25
0.3%
2.2%
Q1 25
1.0%
-6.3%
Q4 24
1.2%
1.1%
Q3 24
2.4%
4.8%
Q2 24
1.1%
4.1%
Q1 24
1.8%
-1.0%
EPS (diluted)
DLHC
DLHC
PDFS
PDFS
Q4 25
$-0.09
$0.00
Q3 25
$-0.07
$0.03
Q2 25
$0.02
$0.03
Q1 25
$0.06
$-0.08
Q4 24
$0.08
$0.01
Q3 24
$0.16
$0.06
Q2 24
$0.08
$0.04
Q1 24
$0.12
$-0.01

Balance Sheet & Financial Strength

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

Metric
DLHC
DLHC
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$257.0K
$42.2M
Total DebtLower is stronger
$133.5M
$67.0M
Stockholders' EquityBook value
$112.2M
$271.0M
Total Assets
$283.5M
$418.7M
Debt / EquityLower = less leverage
1.19×
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DLHC
DLHC
PDFS
PDFS
Q4 25
$257.0K
$42.2M
Q3 25
$125.0K
$35.9M
Q2 25
$194.0K
$40.4M
Q1 25
$196.0K
$54.1M
Q4 24
$451.0K
$114.9M
Q3 24
$342.0K
$120.2M
Q2 24
$423.0K
$117.9M
Q1 24
$238.0K
$122.9M
Total Debt
DLHC
DLHC
PDFS
PDFS
Q4 25
$133.5M
$67.0M
Q3 25
$128.0M
$67.6M
Q2 25
$138.3M
$68.1M
Q1 25
$147.3M
$68.7M
Q4 24
$162.2M
Q3 24
$149.4M
Q2 24
$160.9M
Q1 24
$164.8M
Stockholders' Equity
DLHC
DLHC
PDFS
PDFS
Q4 25
$112.2M
$271.0M
Q3 25
$113.0M
$264.4M
Q2 25
$113.7M
$257.5M
Q1 25
$112.8M
$249.0M
Q4 24
$111.4M
$246.0M
Q3 24
$110.1M
$240.5M
Q2 24
$108.6M
$232.2M
Q1 24
$106.8M
$225.4M
Total Assets
DLHC
DLHC
PDFS
PDFS
Q4 25
$283.5M
$418.7M
Q3 25
$290.7M
$406.4M
Q2 25
$299.3M
$391.1M
Q1 25
$306.6M
$390.0M
Q4 24
$325.0M
$315.3M
Q3 24
$314.4M
$307.4M
Q2 24
$325.0M
$298.0M
Q1 24
$325.9M
$286.8M
Debt / Equity
DLHC
DLHC
PDFS
PDFS
Q4 25
1.19×
0.25×
Q3 25
1.13×
0.26×
Q2 25
1.22×
0.26×
Q1 25
1.31×
0.28×
Q4 24
1.46×
Q3 24
1.36×
Q2 24
1.48×
Q1 24
1.54×

Cash Flow & Capital Efficiency

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

Metric
DLHC
DLHC
PDFS
PDFS
Operating Cash FlowLast quarter
$-4.8M
$17.3M
Free Cash FlowOCF − Capex
$-4.8M
$7.5M
FCF MarginFCF / Revenue
-7.0%
12.1%
Capex IntensityCapex / Revenue
0.1%
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$29.2M
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DLHC
DLHC
PDFS
PDFS
Q4 25
$-4.8M
$17.3M
Q3 25
$10.7M
$3.3M
Q2 25
$9.6M
$-5.2M
Q1 25
$14.5M
$8.6M
Q4 24
$-11.5M
$1.6M
Q3 24
$12.4M
$9.3M
Q2 24
$4.6M
$684.0K
Q1 24
$5.2M
$-1.9M
Free Cash Flow
DLHC
DLHC
PDFS
PDFS
Q4 25
$-4.8M
$7.5M
Q3 25
$10.7M
$-2.9M
Q2 25
$9.4M
$-13.8M
Q1 25
$14.0M
$535.0K
Q4 24
$-12.1M
$-4.0M
Q3 24
$12.2M
$5.1M
Q2 24
$4.5M
$-4.6M
Q1 24
$4.9M
$-3.9M
FCF Margin
DLHC
DLHC
PDFS
PDFS
Q4 25
-7.0%
12.1%
Q3 25
13.1%
-5.1%
Q2 25
11.2%
-26.6%
Q1 25
15.6%
1.1%
Q4 24
-13.3%
-8.0%
Q3 24
12.7%
11.0%
Q2 24
4.4%
-11.1%
Q1 24
4.9%
-9.4%
Capex Intensity
DLHC
DLHC
PDFS
PDFS
Q4 25
0.1%
15.7%
Q3 25
0.0%
10.8%
Q2 25
0.3%
16.5%
Q1 25
0.6%
17.0%
Q4 24
0.6%
11.3%
Q3 24
0.2%
9.0%
Q2 24
0.2%
12.8%
Q1 24
0.3%
4.9%
Cash Conversion
DLHC
DLHC
PDFS
PDFS
Q4 25
Q3 25
2.54×
Q2 25
33.12×
-4.55×
Q1 25
16.52×
Q4 24
-10.35×
2.98×
Q3 24
5.42×
4.20×
Q2 24
4.06×
0.40×
Q1 24
2.89×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DLHC
DLHC

Sales Channel Directly To Consumer$64.5M94%
Sales Channel Through Intermediary$4.4M6%

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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