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

ARTIVION, INC. is the larger business by last-quarter revenue ($116.0M vs $62.4M, roughly 1.9× PDF SOLUTIONS INC). ARTIVION, INC. runs the higher net margin — 2.1% vs -0.1%, a 2.2% gap on every dollar of revenue. On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs 19.2%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $-7.9M). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs 9.1%).

Artivion, Inc. is a distributor of cryogenically preserved human tissues for cardiac and vascular transplant applications and develops medical devices. Among its products are human heart valves, which are treated to remove excess cellular material and antigens, and BioGlue surgical adhesive.

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.

AORT vs PDFS — Head-to-Head

Bigger by revenue
AORT
AORT
1.9× larger
AORT
$116.0M
$62.4M
PDFS
Growing faster (revenue YoY)
PDFS
PDFS
+5.4% gap
PDFS
24.6%
19.2%
AORT
Higher net margin
AORT
AORT
2.2% more per $
AORT
2.1%
-0.1%
PDFS
More free cash flow
PDFS
PDFS
$15.5M more FCF
PDFS
$7.5M
$-7.9M
AORT
Faster 2-yr revenue CAGR
PDFS
PDFS
Annualised
PDFS
22.9%
9.1%
AORT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AORT
AORT
PDFS
PDFS
Revenue
$116.0M
$62.4M
Net Profit
$2.4M
$-48.0K
Gross Margin
63.1%
72.9%
Operating Margin
9.2%
5.5%
Net Margin
2.1%
-0.1%
Revenue YoY
19.2%
24.6%
Net Profit YoY
114.7%
-108.9%
EPS (diluted)
$0.06
$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
AORT
AORT
PDFS
PDFS
Q4 25
$116.0M
$62.4M
Q3 25
$113.4M
$57.1M
Q2 25
$113.0M
$51.7M
Q1 25
$99.0M
$47.8M
Q4 24
$97.3M
$50.1M
Q3 24
$95.8M
$46.4M
Q2 24
$98.0M
$41.7M
Q1 24
$97.4M
$41.3M
Net Profit
AORT
AORT
PDFS
PDFS
Q4 25
$2.4M
$-48.0K
Q3 25
$6.5M
$1.3M
Q2 25
$1.3M
$1.1M
Q1 25
$-505.0K
$-3.0M
Q4 24
$-16.5M
$539.0K
Q3 24
$-2.3M
$2.2M
Q2 24
$-2.1M
$1.7M
Q1 24
$7.5M
$-393.0K
Gross Margin
AORT
AORT
PDFS
PDFS
Q4 25
63.1%
72.9%
Q3 25
65.6%
72.3%
Q2 25
64.7%
71.2%
Q1 25
64.2%
72.9%
Q4 24
63.2%
68.3%
Q3 24
63.7%
73.1%
Q2 24
64.6%
70.6%
Q1 24
64.6%
67.3%
Operating Margin
AORT
AORT
PDFS
PDFS
Q4 25
9.2%
5.5%
Q3 25
11.1%
8.5%
Q2 25
7.4%
2.2%
Q1 25
2.2%
-7.4%
Q4 24
2.7%
1.0%
Q3 24
4.6%
4.6%
Q2 24
6.6%
0.6%
Q1 24
26.0%
-4.7%
Net Margin
AORT
AORT
PDFS
PDFS
Q4 25
2.1%
-0.1%
Q3 25
5.7%
2.3%
Q2 25
1.2%
2.2%
Q1 25
-0.5%
-6.3%
Q4 24
-16.9%
1.1%
Q3 24
-2.4%
4.8%
Q2 24
-2.2%
4.1%
Q1 24
7.7%
-1.0%
EPS (diluted)
AORT
AORT
PDFS
PDFS
Q4 25
$0.06
$0.00
Q3 25
$0.13
$0.03
Q2 25
$0.03
$0.03
Q1 25
$-0.01
$-0.08
Q4 24
$-0.40
$0.01
Q3 24
$-0.05
$0.06
Q2 24
$-0.05
$0.04
Q1 24
$0.18
$-0.01

Balance Sheet & Financial Strength

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

Metric
AORT
AORT
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$64.9M
$42.2M
Total DebtLower is stronger
$215.1M
$67.0M
Stockholders' EquityBook value
$448.2M
$271.0M
Total Assets
$884.8M
$418.7M
Debt / EquityLower = less leverage
0.48×
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AORT
AORT
PDFS
PDFS
Q4 25
$64.9M
$42.2M
Q3 25
$73.4M
$35.9M
Q2 25
$53.5M
$40.4M
Q1 25
$37.7M
$54.1M
Q4 24
$53.5M
$114.9M
Q3 24
$56.2M
$120.2M
Q2 24
$55.0M
$117.9M
Q1 24
$51.1M
$122.9M
Total Debt
AORT
AORT
PDFS
PDFS
Q4 25
$215.1M
$67.0M
Q3 25
$214.9M
$67.6M
Q2 25
$215.6M
$68.1M
Q1 25
$314.7M
$68.7M
Q4 24
$314.3M
Q3 24
$314.0M
Q2 24
$313.6M
Q1 24
$313.3M
Stockholders' Equity
AORT
AORT
PDFS
PDFS
Q4 25
$448.2M
$271.0M
Q3 25
$438.7M
$264.4M
Q2 25
$419.9M
$257.5M
Q1 25
$294.3M
$249.0M
Q4 24
$276.2M
$246.0M
Q3 24
$304.7M
$240.5M
Q2 24
$295.1M
$232.2M
Q1 24
$295.0M
$225.4M
Total Assets
AORT
AORT
PDFS
PDFS
Q4 25
$884.8M
$418.7M
Q3 25
$857.7M
$406.4M
Q2 25
$838.4M
$391.1M
Q1 25
$791.2M
$390.0M
Q4 24
$789.1M
$315.3M
Q3 24
$803.1M
$307.4M
Q2 24
$789.5M
$298.0M
Q1 24
$784.0M
$286.8M
Debt / Equity
AORT
AORT
PDFS
PDFS
Q4 25
0.48×
0.25×
Q3 25
0.49×
0.26×
Q2 25
0.51×
0.26×
Q1 25
1.07×
0.28×
Q4 24
1.14×
Q3 24
1.03×
Q2 24
1.06×
Q1 24
1.06×

Cash Flow & Capital Efficiency

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

Metric
AORT
AORT
PDFS
PDFS
Operating Cash FlowLast quarter
$19.6M
$17.3M
Free Cash FlowOCF − Capex
$-7.9M
$7.5M
FCF MarginFCF / Revenue
-6.9%
12.1%
Capex IntensityCapex / Revenue
23.7%
15.7%
Cash ConversionOCF / Net Profit
8.06×
TTM Free Cash FlowTrailing 4 quarters
$839.0K
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AORT
AORT
PDFS
PDFS
Q4 25
$19.6M
$17.3M
Q3 25
$22.3M
$3.3M
Q2 25
$15.0M
$-5.2M
Q1 25
$-17.0M
$8.6M
Q4 24
$10.1M
$1.6M
Q3 24
$11.5M
$9.3M
Q2 24
$6.1M
$684.0K
Q1 24
$-5.5M
$-1.9M
Free Cash Flow
AORT
AORT
PDFS
PDFS
Q4 25
$-7.9M
$7.5M
Q3 25
$17.7M
$-2.9M
Q2 25
$11.7M
$-13.8M
Q1 25
$-20.6M
$535.0K
Q4 24
$8.7M
$-4.0M
Q3 24
$7.8M
$5.1M
Q2 24
$3.6M
$-4.6M
Q1 24
$-9.1M
$-3.9M
FCF Margin
AORT
AORT
PDFS
PDFS
Q4 25
-6.9%
12.1%
Q3 25
15.6%
-5.1%
Q2 25
10.4%
-26.6%
Q1 25
-20.8%
1.1%
Q4 24
9.0%
-8.0%
Q3 24
8.2%
11.0%
Q2 24
3.7%
-11.1%
Q1 24
-9.3%
-9.4%
Capex Intensity
AORT
AORT
PDFS
PDFS
Q4 25
23.7%
15.7%
Q3 25
4.1%
10.8%
Q2 25
2.9%
16.5%
Q1 25
3.7%
17.0%
Q4 24
1.5%
11.3%
Q3 24
3.8%
9.0%
Q2 24
2.6%
12.8%
Q1 24
3.7%
4.9%
Cash Conversion
AORT
AORT
PDFS
PDFS
Q4 25
8.06×
Q3 25
3.42×
2.54×
Q2 25
11.16×
-4.55×
Q1 25
Q4 24
2.98×
Q3 24
4.20×
Q2 24
0.40×
Q1 24
-0.73×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AORT
AORT

Aortic Stent Grafts$43.3M37%
On X$27.8M24%
Preservation Services$24.1M21%
Surgical Sealants$20.3M18%
Other Products$463.0K0%

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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