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Side-by-side financial comparison of Aurinia Pharmaceuticals Inc. (AUPH) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

Proto Labs Inc is the larger business by last-quarter revenue ($136.5M vs $77.1M, roughly 1.8× Aurinia Pharmaceuticals Inc.). On growth, Aurinia Pharmaceuticals Inc. posted the faster year-over-year revenue change (28.8% vs 12.1%). Over the past eight quarters, Aurinia Pharmaceuticals Inc.'s revenue compounded faster (23.8% CAGR vs 3.3%).

Aurinia Pharmaceuticals Inc. is a late-stage biopharmaceutical company focused on developing and commercializing targeted therapies for autoimmune and kidney diseases. Its lead approved product is Lupkynis for adult active lupus nephritis treatment, with core operations in North America and European markets, focusing on nephrology and rare immunology therapeutic segments.

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

AUPH vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.8× larger
PRLB
$136.5M
$77.1M
AUPH
Growing faster (revenue YoY)
AUPH
AUPH
+16.7% gap
AUPH
28.8%
12.1%
PRLB
Faster 2-yr revenue CAGR
AUPH
AUPH
Annualised
AUPH
23.8%
3.3%
PRLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AUPH
AUPH
PRLB
PRLB
Revenue
$77.1M
$136.5M
Net Profit
$210.8M
Gross Margin
88.6%
44.2%
Operating Margin
43.1%
5.0%
Net Margin
273.4%
Revenue YoY
28.8%
12.1%
Net Profit YoY
14651.2%
EPS (diluted)
$1.52
$0.25

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
AUPH
AUPH
PRLB
PRLB
Q4 25
$77.1M
$136.5M
Q3 25
$73.5M
$135.4M
Q2 25
$70.0M
$135.1M
Q1 25
$62.5M
$126.2M
Q4 24
$59.9M
$121.8M
Q3 24
$67.8M
$125.6M
Q2 24
$57.2M
$125.6M
Q1 24
$50.3M
$127.9M
Net Profit
AUPH
AUPH
PRLB
PRLB
Q4 25
$210.8M
Q3 25
$31.6M
$7.2M
Q2 25
$21.5M
$4.4M
Q1 25
$23.3M
$3.6M
Q4 24
$1.4M
Q3 24
$14.3M
$7.2M
Q2 24
$722.0K
$4.5M
Q1 24
$-10.7M
$5.3M
Gross Margin
AUPH
AUPH
PRLB
PRLB
Q4 25
88.6%
44.2%
Q3 25
88.9%
45.3%
Q2 25
89.8%
44.3%
Q1 25
86.3%
44.1%
Q4 24
90.7%
42.7%
Q3 24
91.1%
45.6%
Q2 24
84.4%
45.0%
Q1 24
84.6%
44.9%
Operating Margin
AUPH
AUPH
PRLB
PRLB
Q4 25
43.1%
5.0%
Q3 25
40.5%
6.5%
Q2 25
28.7%
3.7%
Q1 25
35.0%
3.6%
Q4 24
-2.8%
-1.2%
Q3 24
17.3%
6.8%
Q2 24
-2.6%
4.8%
Q1 24
-26.3%
5.3%
Net Margin
AUPH
AUPH
PRLB
PRLB
Q4 25
273.4%
Q3 25
42.9%
5.3%
Q2 25
30.7%
3.3%
Q1 25
37.4%
2.9%
Q4 24
2.4%
Q3 24
21.2%
5.7%
Q2 24
1.3%
3.6%
Q1 24
-21.4%
4.1%
EPS (diluted)
AUPH
AUPH
PRLB
PRLB
Q4 25
$1.52
$0.25
Q3 25
$0.23
$0.30
Q2 25
$0.16
$0.18
Q1 25
$0.16
$0.15
Q4 24
$0.00
$-0.01
Q3 24
$0.10
$0.29
Q2 24
$0.01
$0.18
Q1 24
$-0.07
$0.20

Balance Sheet & Financial Strength

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

Metric
AUPH
AUPH
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$80.2M
$128.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$581.3M
$673.9M
Total Assets
$751.6M
$763.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AUPH
AUPH
PRLB
PRLB
Q4 25
$80.2M
$128.1M
Q3 25
$72.9M
$119.2M
Q2 25
$52.9M
$103.2M
Q1 25
$66.1M
$96.8M
Q4 24
$83.4M
$103.1M
Q3 24
$36.6M
$100.5M
Q2 24
$33.3M
$112.9M
Q1 24
$63.9M
$109.7M
Stockholders' Equity
AUPH
AUPH
PRLB
PRLB
Q4 25
$581.3M
$673.9M
Q3 25
$365.8M
$664.7M
Q2 25
$335.3M
$664.7M
Q1 25
$350.2M
$656.8M
Q4 24
$377.5M
$670.2M
Q3 24
$388.0M
$680.0M
Q2 24
$364.6M
$685.2M
Q1 24
$359.5M
$687.3M
Total Assets
AUPH
AUPH
PRLB
PRLB
Q4 25
$751.6M
$763.4M
Q3 25
$527.5M
$756.9M
Q2 25
$502.6M
$743.3M
Q1 25
$504.9M
$737.5M
Q4 24
$550.6M
$743.5M
Q3 24
$549.4M
$753.8M
Q2 24
$523.5M
$758.2M
Q1 24
$516.6M
$769.8M

Cash Flow & Capital Efficiency

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

Metric
AUPH
AUPH
PRLB
PRLB
Operating Cash FlowLast quarter
$45.7M
$16.5M
Free Cash FlowOCF − Capex
$8.4M
FCF MarginFCF / Revenue
6.2%
Capex IntensityCapex / Revenue
5.9%
Cash ConversionOCF / Net Profit
0.22×
TTM Free Cash FlowTrailing 4 quarters
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AUPH
AUPH
PRLB
PRLB
Q4 25
$45.7M
$16.5M
Q3 25
$44.4M
$29.1M
Q2 25
$44.2M
$10.6M
Q1 25
$1.3M
$18.4M
Q4 24
$30.1M
$17.3M
Q3 24
$17.0M
$24.8M
Q2 24
$15.8M
$14.4M
Q1 24
$-18.6M
$21.3M
Free Cash Flow
AUPH
AUPH
PRLB
PRLB
Q4 25
$8.4M
Q3 25
$25.0M
Q2 25
$9.1M
Q1 25
$17.1M
Q4 24
$16.5M
Q3 24
$23.2M
Q2 24
$10.2M
Q1 24
$18.8M
FCF Margin
AUPH
AUPH
PRLB
PRLB
Q4 25
6.2%
Q3 25
18.5%
Q2 25
6.7%
Q1 25
13.6%
Q4 24
13.5%
Q3 24
18.5%
Q2 24
8.2%
Q1 24
14.7%
Capex Intensity
AUPH
AUPH
PRLB
PRLB
Q4 25
5.9%
Q3 25
3.0%
Q2 25
1.1%
Q1 25
1.0%
Q4 24
0.7%
Q3 24
1.2%
Q2 24
3.3%
Q1 24
2.0%
Cash Conversion
AUPH
AUPH
PRLB
PRLB
Q4 25
0.22×
Q3 25
1.41×
4.03×
Q2 25
2.06×
2.39×
Q1 25
0.06×
5.11×
Q4 24
21.07×
Q3 24
1.19×
3.44×
Q2 24
21.94×
3.18×
Q1 24
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AUPH
AUPH

Products$74.2M96%
License Collaboration And Royalty Revenue$2.9M4%

PRLB
PRLB

CNC Machining Firstcut$65.5M48%
Injection Molding Protomold$47.6M35%
Three D Printing Fineline$18.8M14%
Sheet Metal$4.4M3%

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