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Side-by-side financial comparison of Fulgent Genetics, Inc. (FLGT) and PDF SOLUTIONS INC (PDFS). Click either name above to swap in a different company.

Fulgent Genetics, Inc. is the larger business by last-quarter revenue ($83.3M vs $62.4M, roughly 1.3× PDF SOLUTIONS INC). PDF SOLUTIONS INC runs the higher net margin — -0.1% vs -28.1%, a 28.0% gap on every dollar of revenue. On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs 9.3%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $-83.1M). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs 13.7%).

Fulgent Genetics, Inc. is a molecular diagnostics technology firm that develops and offers genetic testing services including carrier screening, oncology testing, infectious disease detection, and hereditary condition analysis, serving clinical providers, pharma firms, research institutions and public health groups primarily in North America.

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.

FLGT vs PDFS — Head-to-Head

Bigger by revenue
FLGT
FLGT
1.3× larger
FLGT
$83.3M
$62.4M
PDFS
Growing faster (revenue YoY)
PDFS
PDFS
+15.2% gap
PDFS
24.6%
9.3%
FLGT
Higher net margin
PDFS
PDFS
28.0% more per $
PDFS
-0.1%
-28.1%
FLGT
More free cash flow
PDFS
PDFS
$90.7M more FCF
PDFS
$7.5M
$-83.1M
FLGT
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
13.7%
FLGT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FLGT
FLGT
PDFS
PDFS
Revenue
$83.3M
$62.4M
Net Profit
$-23.4M
$-48.0K
Gross Margin
39.1%
72.9%
Operating Margin
-43.5%
5.5%
Net Margin
-28.1%
-0.1%
Revenue YoY
9.3%
24.6%
Net Profit YoY
-297.7%
-108.9%
EPS (diluted)
$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
FLGT
FLGT
PDFS
PDFS
Q4 25
$83.3M
$62.4M
Q3 25
$84.1M
$57.1M
Q2 25
$81.8M
$51.7M
Q1 25
$73.5M
$47.8M
Q4 24
$76.2M
$50.1M
Q3 24
$71.7M
$46.4M
Q2 24
$71.0M
$41.7M
Q1 24
$64.5M
$41.3M
Net Profit
FLGT
FLGT
PDFS
PDFS
Q4 25
$-23.4M
$-48.0K
Q3 25
$-6.6M
$1.3M
Q2 25
$-19.0M
$1.1M
Q1 25
$-11.5M
$-3.0M
Q4 24
$-5.9M
$539.0K
Q3 24
$-14.6M
$2.2M
Q2 24
$-8.7M
$1.7M
Q1 24
$-13.5M
$-393.0K
Gross Margin
FLGT
FLGT
PDFS
PDFS
Q4 25
39.1%
72.9%
Q3 25
42.2%
72.3%
Q2 25
42.1%
71.2%
Q1 25
38.6%
72.9%
Q4 24
41.8%
68.3%
Q3 24
37.3%
73.1%
Q2 24
37.3%
70.6%
Q1 24
34.3%
67.3%
Operating Margin
FLGT
FLGT
PDFS
PDFS
Q4 25
-43.5%
5.5%
Q3 25
-18.3%
8.5%
Q2 25
-24.1%
2.2%
Q1 25
-26.9%
-7.4%
Q4 24
-21.2%
1.0%
Q3 24
-23.8%
4.6%
Q2 24
-26.6%
0.6%
Q1 24
-33.8%
-4.7%
Net Margin
FLGT
FLGT
PDFS
PDFS
Q4 25
-28.1%
-0.1%
Q3 25
-7.9%
2.3%
Q2 25
-23.2%
2.2%
Q1 25
-15.7%
-6.3%
Q4 24
-7.7%
1.1%
Q3 24
-20.4%
4.8%
Q2 24
-12.3%
4.1%
Q1 24
-20.9%
-1.0%
EPS (diluted)
FLGT
FLGT
PDFS
PDFS
Q4 25
$0.00
Q3 25
$0.03
Q2 25
$0.03
Q1 25
$-0.08
Q4 24
$0.01
Q3 24
$0.06
Q2 24
$0.04
Q1 24
$-0.01

Balance Sheet & Financial Strength

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

Metric
FLGT
FLGT
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$50.2M
$42.2M
Total DebtLower is stronger
$67.0M
Stockholders' EquityBook value
$1.1B
$271.0M
Total Assets
$1.2B
$418.7M
Debt / EquityLower = less leverage
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FLGT
FLGT
PDFS
PDFS
Q4 25
$50.2M
$42.2M
Q3 25
$117.6M
$35.9M
Q2 25
$87.9M
$40.4M
Q1 25
$67.3M
$54.1M
Q4 24
$55.1M
$114.9M
Q3 24
$58.0M
$120.2M
Q2 24
$65.1M
$117.9M
Q1 24
$54.7M
$122.9M
Total Debt
FLGT
FLGT
PDFS
PDFS
Q4 25
$67.0M
Q3 25
$67.6M
Q2 25
$68.1M
Q1 25
$68.7M
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
FLGT
FLGT
PDFS
PDFS
Q4 25
$1.1B
$271.0M
Q3 25
$1.1B
$264.4M
Q2 25
$1.1B
$257.5M
Q1 25
$1.1B
$249.0M
Q4 24
$1.1B
$246.0M
Q3 24
$1.1B
$240.5M
Q2 24
$1.1B
$232.2M
Q1 24
$1.1B
$225.4M
Total Assets
FLGT
FLGT
PDFS
PDFS
Q4 25
$1.2B
$418.7M
Q3 25
$1.2B
$406.4M
Q2 25
$1.2B
$391.1M
Q1 25
$1.2B
$390.0M
Q4 24
$1.2B
$315.3M
Q3 24
$1.2B
$307.4M
Q2 24
$1.2B
$298.0M
Q1 24
$1.2B
$286.8M
Debt / Equity
FLGT
FLGT
PDFS
PDFS
Q4 25
0.25×
Q3 25
0.26×
Q2 25
0.26×
Q1 25
0.28×
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
FLGT
FLGT
PDFS
PDFS
Operating Cash FlowLast quarter
$-78.1M
$17.3M
Free Cash FlowOCF − Capex
$-83.1M
$7.5M
FCF MarginFCF / Revenue
-99.7%
12.1%
Capex IntensityCapex / Revenue
6.0%
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-124.2M
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FLGT
FLGT
PDFS
PDFS
Q4 25
$-78.1M
$17.3M
Q3 25
$11.1M
$3.3M
Q2 25
$-30.2M
$-5.2M
Q1 25
$-4.4M
$8.6M
Q4 24
$25.0M
$1.6M
Q3 24
$-15.5M
$9.3M
Q2 24
$4.3M
$684.0K
Q1 24
$7.3M
$-1.9M
Free Cash Flow
FLGT
FLGT
PDFS
PDFS
Q4 25
$-83.1M
$7.5M
Q3 25
$5.1M
$-2.9M
Q2 25
$-37.0M
$-13.8M
Q1 25
$-9.1M
$535.0K
Q4 24
$21.2M
$-4.0M
Q3 24
$-35.0M
$5.1M
Q2 24
$-8.7M
$-4.6M
Q1 24
$3.2M
$-3.9M
FCF Margin
FLGT
FLGT
PDFS
PDFS
Q4 25
-99.7%
12.1%
Q3 25
6.0%
-5.1%
Q2 25
-45.2%
-26.6%
Q1 25
-12.5%
1.1%
Q4 24
27.9%
-8.0%
Q3 24
-48.8%
11.0%
Q2 24
-12.2%
-11.1%
Q1 24
5.0%
-9.4%
Capex Intensity
FLGT
FLGT
PDFS
PDFS
Q4 25
6.0%
15.7%
Q3 25
7.2%
10.8%
Q2 25
8.3%
16.5%
Q1 25
6.4%
17.0%
Q4 24
5.0%
11.3%
Q3 24
27.2%
9.0%
Q2 24
18.2%
12.8%
Q1 24
6.3%
4.9%
Cash Conversion
FLGT
FLGT
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

FLGT
FLGT

Precision Diagnostics$48.3M58%
Anatomic Pathology$27.0M32%
Biopharma Services$7.8M9%

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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