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

PDF SOLUTIONS INC is the larger business by last-quarter revenue ($62.4M vs $57.6M, roughly 1.1× Akebia Therapeutics, Inc.). On growth, PDF SOLUTIONS INC posted the faster year-over-year revenue change (24.6% vs 23.9%). Akebia Therapeutics, Inc. produced more free cash flow last quarter ($31.1M vs $7.5M). Over the past eight quarters, Akebia Therapeutics, Inc.'s revenue compounded faster (32.9% CAGR vs 22.9%).

Akebia Therapeutics is a biopharmaceutical company dedicated to developing and commercializing novel therapies for patients with kidney diseases, particularly anemia linked to chronic kidney disease. It operates across global markets, focusing on addressing unmet medical needs in the nephrology care segment.

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.

AKBA vs PDFS — Head-to-Head

Bigger by revenue
PDFS
PDFS
1.1× larger
PDFS
$62.4M
$57.6M
AKBA
Growing faster (revenue YoY)
PDFS
PDFS
+0.7% gap
PDFS
24.6%
23.9%
AKBA
More free cash flow
AKBA
AKBA
$23.5M more FCF
AKBA
$31.1M
$7.5M
PDFS
Faster 2-yr revenue CAGR
AKBA
AKBA
Annualised
AKBA
32.9%
22.9%
PDFS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AKBA
AKBA
PDFS
PDFS
Revenue
$57.6M
$62.4M
Net Profit
$-48.0K
Gross Margin
78.2%
72.9%
Operating Margin
-14.8%
5.5%
Net Margin
-0.1%
Revenue YoY
23.9%
24.6%
Net Profit YoY
-108.9%
EPS (diluted)
$-0.05
$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
AKBA
AKBA
PDFS
PDFS
Q4 25
$57.6M
$62.4M
Q3 25
$58.8M
$57.1M
Q2 25
$62.5M
$51.7M
Q1 25
$57.3M
$47.8M
Q4 24
$46.5M
$50.1M
Q3 24
$37.4M
$46.4M
Q2 24
$43.6M
$41.7M
Q1 24
$32.6M
$41.3M
Net Profit
AKBA
AKBA
PDFS
PDFS
Q4 25
$-48.0K
Q3 25
$540.0K
$1.3M
Q2 25
$247.0K
$1.1M
Q1 25
$6.1M
$-3.0M
Q4 24
$539.0K
Q3 24
$-20.0M
$2.2M
Q2 24
$-8.6M
$1.7M
Q1 24
$-18.0M
$-393.0K
Gross Margin
AKBA
AKBA
PDFS
PDFS
Q4 25
78.2%
72.9%
Q3 25
84.0%
72.3%
Q2 25
84.1%
71.2%
Q1 25
86.7%
72.9%
Q4 24
56.2%
68.3%
Q3 24
62.2%
73.1%
Q2 24
60.9%
70.6%
Q1 24
64.4%
67.3%
Operating Margin
AKBA
AKBA
PDFS
PDFS
Q4 25
-14.8%
5.5%
Q3 25
7.6%
8.5%
Q2 25
22.6%
2.2%
Q1 25
23.6%
-7.4%
Q4 24
-30.8%
1.0%
Q3 24
-33.4%
4.6%
Q2 24
-20.0%
0.6%
Q1 24
-45.8%
-4.7%
Net Margin
AKBA
AKBA
PDFS
PDFS
Q4 25
-0.1%
Q3 25
0.9%
2.3%
Q2 25
0.4%
2.2%
Q1 25
10.7%
-6.3%
Q4 24
1.1%
Q3 24
-53.5%
4.8%
Q2 24
-19.7%
4.1%
Q1 24
-55.2%
-1.0%
EPS (diluted)
AKBA
AKBA
PDFS
PDFS
Q4 25
$-0.05
$0.00
Q3 25
$0.00
$0.03
Q2 25
$0.00
$0.03
Q1 25
$0.03
$-0.08
Q4 24
$-0.10
$0.01
Q3 24
$-0.10
$0.06
Q2 24
$-0.04
$0.04
Q1 24
$-0.09
$-0.01

Balance Sheet & Financial Strength

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

Metric
AKBA
AKBA
PDFS
PDFS
Cash + ST InvestmentsLiquidity on hand
$184.8M
$42.2M
Total DebtLower is stronger
$48.3M
$67.0M
Stockholders' EquityBook value
$32.6M
$271.0M
Total Assets
$376.6M
$418.7M
Debt / EquityLower = less leverage
1.48×
0.25×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AKBA
AKBA
PDFS
PDFS
Q4 25
$184.8M
$42.2M
Q3 25
$166.4M
$35.9M
Q2 25
$137.3M
$40.4M
Q1 25
$113.4M
$54.1M
Q4 24
$51.9M
$114.9M
Q3 24
$34.0M
$120.2M
Q2 24
$39.5M
$117.9M
Q1 24
$42.0M
$122.9M
Total Debt
AKBA
AKBA
PDFS
PDFS
Q4 25
$48.3M
$67.0M
Q3 25
$47.6M
$67.6M
Q2 25
$47.1M
$68.1M
Q1 25
$46.5M
$68.7M
Q4 24
$38.7M
Q3 24
$38.4M
Q2 24
$38.0M
Q1 24
$30.1M
Stockholders' Equity
AKBA
AKBA
PDFS
PDFS
Q4 25
$32.6M
$271.0M
Q3 25
$41.6M
$264.4M
Q2 25
$29.2M
$257.5M
Q1 25
$24.6M
$249.0M
Q4 24
$-49.2M
$246.0M
Q3 24
$-50.4M
$240.5M
Q2 24
$-33.8M
$232.2M
Q1 24
$-27.3M
$225.4M
Total Assets
AKBA
AKBA
PDFS
PDFS
Q4 25
$376.6M
$418.7M
Q3 25
$364.2M
$406.4M
Q2 25
$345.6M
$391.1M
Q1 25
$310.2M
$390.0M
Q4 24
$220.7M
$315.3M
Q3 24
$207.1M
$307.4M
Q2 24
$220.2M
$298.0M
Q1 24
$225.5M
$286.8M
Debt / Equity
AKBA
AKBA
PDFS
PDFS
Q4 25
1.48×
0.25×
Q3 25
1.15×
0.26×
Q2 25
1.61×
0.26×
Q1 25
1.89×
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
AKBA
AKBA
PDFS
PDFS
Operating Cash FlowLast quarter
$31.1M
$17.3M
Free Cash FlowOCF − Capex
$31.1M
$7.5M
FCF MarginFCF / Revenue
53.9%
12.1%
Capex IntensityCapex / Revenue
0.1%
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$67.7M
$-8.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AKBA
AKBA
PDFS
PDFS
Q4 25
$31.1M
$17.3M
Q3 25
$28.1M
$3.3M
Q2 25
$22.3M
$-5.2M
Q1 25
$-13.6M
$8.6M
Q4 24
$-4.5M
$1.6M
Q3 24
$-6.7M
$9.3M
Q2 24
$-10.1M
$684.0K
Q1 24
$-19.4M
$-1.9M
Free Cash Flow
AKBA
AKBA
PDFS
PDFS
Q4 25
$31.1M
$7.5M
Q3 25
$28.0M
$-2.9M
Q2 25
$22.2M
$-13.8M
Q1 25
$-13.6M
$535.0K
Q4 24
$-4.5M
$-4.0M
Q3 24
$-6.7M
$5.1M
Q2 24
$-10.1M
$-4.6M
Q1 24
$-3.9M
FCF Margin
AKBA
AKBA
PDFS
PDFS
Q4 25
53.9%
12.1%
Q3 25
47.7%
-5.1%
Q2 25
35.6%
-26.6%
Q1 25
-23.7%
1.1%
Q4 24
-9.6%
-8.0%
Q3 24
-17.9%
11.0%
Q2 24
-23.1%
-11.1%
Q1 24
-9.4%
Capex Intensity
AKBA
AKBA
PDFS
PDFS
Q4 25
0.1%
15.7%
Q3 25
0.1%
10.8%
Q2 25
0.2%
16.5%
Q1 25
0.0%
17.0%
Q4 24
0.0%
11.3%
Q3 24
0.0%
9.0%
Q2 24
0.1%
12.8%
Q1 24
0.0%
4.9%
Cash Conversion
AKBA
AKBA
PDFS
PDFS
Q4 25
Q3 25
52.05×
2.54×
Q2 25
90.47×
-4.55×
Q1 25
-2.22×
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

AKBA
AKBA

Auryxia$48.1M84%
Vafseo$6.2M11%
License Collaboration And Other Revenue$3.3M6%

PDFS
PDFS

Volumebased$38.0M61%
Other$24.4M39%

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