vs

Side-by-side financial comparison of Proto Labs Inc (PRLB) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

Proto Labs Inc is the larger business by last-quarter revenue ($136.5M vs $127.1M, roughly 1.1× Zai Lab Ltd). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 12.1%). Proto Labs Inc produced more free cash flow last quarter ($8.4M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 3.3%).

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...

Zai Lab Ltd is a global biopharmaceutical company focused on developing, manufacturing and commercializing innovative therapies for oncology, autoimmune disorders, infectious diseases and other unmet medical needs. It operates primarily in the Greater China region and partners with leading global biotech firms to expand access to life-saving treatments for underserved patient populations.

PRLB vs ZLAB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.1× larger
PRLB
$136.5M
$127.1M
ZLAB
Growing faster (revenue YoY)
ZLAB
ZLAB
+5.0% gap
ZLAB
17.1%
12.1%
PRLB
More free cash flow
PRLB
PRLB
$35.1M more FCF
PRLB
$8.4M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
3.3%
PRLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PRLB
PRLB
ZLAB
ZLAB
Revenue
$136.5M
$127.1M
Net Profit
Gross Margin
44.2%
51.0%
Operating Margin
5.0%
-54.6%
Net Margin
Revenue YoY
12.1%
17.1%
Net Profit YoY
EPS (diluted)
$0.25
$-0.05

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
PRLB
PRLB
ZLAB
ZLAB
Q4 25
$136.5M
$127.1M
Q3 25
$135.4M
$115.4M
Q2 25
$135.1M
$109.1M
Q1 25
$126.2M
$105.7M
Q4 24
$121.8M
$108.5M
Q3 24
$125.6M
$101.8M
Q2 24
$125.6M
$100.1M
Q1 24
$127.9M
$87.1M
Net Profit
PRLB
PRLB
ZLAB
ZLAB
Q4 25
Q3 25
$7.2M
$-36.0M
Q2 25
$4.4M
$-40.7M
Q1 25
$3.6M
$-48.4M
Q4 24
Q3 24
$7.2M
$-41.7M
Q2 24
$4.5M
$-80.3M
Q1 24
$5.3M
$-53.5M
Gross Margin
PRLB
PRLB
ZLAB
ZLAB
Q4 25
44.2%
51.0%
Q3 25
45.3%
59.5%
Q2 25
44.3%
60.6%
Q1 25
44.1%
63.6%
Q4 24
42.7%
61.5%
Q3 24
45.6%
64.1%
Q2 24
45.0%
64.9%
Q1 24
44.9%
61.4%
Operating Margin
PRLB
PRLB
ZLAB
ZLAB
Q4 25
5.0%
-54.6%
Q3 25
6.5%
-42.3%
Q2 25
3.7%
-50.3%
Q1 25
3.6%
-53.3%
Q4 24
-1.2%
-62.6%
Q3 24
6.8%
-66.6%
Q2 24
4.8%
-76.0%
Q1 24
5.3%
-80.7%
Net Margin
PRLB
PRLB
ZLAB
ZLAB
Q4 25
Q3 25
5.3%
-31.2%
Q2 25
3.3%
-37.3%
Q1 25
2.9%
-45.8%
Q4 24
Q3 24
5.7%
-40.9%
Q2 24
3.6%
-80.2%
Q1 24
4.1%
-61.4%
EPS (diluted)
PRLB
PRLB
ZLAB
ZLAB
Q4 25
$0.25
$-0.05
Q3 25
$0.30
$-0.03
Q2 25
$0.18
$-0.04
Q1 25
$0.15
$-0.04
Q4 24
$-0.01
$-0.09
Q3 24
$0.29
$-0.04
Q2 24
$0.18
$-0.08
Q1 24
$0.20
$-0.05

Balance Sheet & Financial Strength

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

Metric
PRLB
PRLB
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$128.1M
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$673.9M
$715.5M
Total Assets
$763.4M
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRLB
PRLB
ZLAB
ZLAB
Q4 25
$128.1M
$689.6M
Q3 25
$119.2M
$717.2M
Q2 25
$103.2M
$732.2M
Q1 25
$96.8M
$757.3M
Q4 24
$103.1M
$779.7M
Q3 24
$100.5M
$616.1M
Q2 24
$112.9M
$630.0M
Q1 24
$109.7M
$650.8M
Stockholders' Equity
PRLB
PRLB
ZLAB
ZLAB
Q4 25
$673.9M
$715.5M
Q3 25
$664.7M
$759.9M
Q2 25
$664.7M
$791.7M
Q1 25
$656.8M
$810.8M
Q4 24
$670.2M
$840.9M
Q3 24
$680.0M
$667.7M
Q2 24
$685.2M
$704.2M
Q1 24
$687.3M
$762.2M
Total Assets
PRLB
PRLB
ZLAB
ZLAB
Q4 25
$763.4M
$1.2B
Q3 25
$756.9M
$1.2B
Q2 25
$743.3M
$1.2B
Q1 25
$737.5M
$1.2B
Q4 24
$743.5M
$1.2B
Q3 24
$753.8M
$985.3M
Q2 24
$758.2M
$987.4M
Q1 24
$769.8M
$988.4M

Cash Flow & Capital Efficiency

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

Metric
PRLB
PRLB
ZLAB
ZLAB
Operating Cash FlowLast quarter
$16.5M
$-26.0M
Free Cash FlowOCF − Capex
$8.4M
$-26.7M
FCF MarginFCF / Revenue
6.2%
-21.0%
Capex IntensityCapex / Revenue
5.9%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$59.7M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRLB
PRLB
ZLAB
ZLAB
Q4 25
$16.5M
$-26.0M
Q3 25
$29.1M
$-32.0M
Q2 25
$10.6M
$-31.0M
Q1 25
$18.4M
$-61.7M
Q4 24
$17.3M
$-55.8M
Q3 24
$24.8M
$-26.8M
Q2 24
$14.4M
$-42.2M
Q1 24
$21.3M
$-90.1M
Free Cash Flow
PRLB
PRLB
ZLAB
ZLAB
Q4 25
$8.4M
$-26.7M
Q3 25
$25.0M
$-35.0M
Q2 25
$9.1M
$-33.9M
Q1 25
$17.1M
$-63.2M
Q4 24
$16.5M
$-58.4M
Q3 24
$23.2M
$-28.2M
Q2 24
$10.2M
$-42.9M
Q1 24
$18.8M
$-91.1M
FCF Margin
PRLB
PRLB
ZLAB
ZLAB
Q4 25
6.2%
-21.0%
Q3 25
18.5%
-30.4%
Q2 25
6.7%
-31.1%
Q1 25
13.6%
-59.9%
Q4 24
13.5%
-53.8%
Q3 24
18.5%
-27.7%
Q2 24
8.2%
-42.9%
Q1 24
14.7%
-104.5%
Capex Intensity
PRLB
PRLB
ZLAB
ZLAB
Q4 25
5.9%
0.5%
Q3 25
3.0%
2.6%
Q2 25
1.1%
2.6%
Q1 25
1.0%
1.5%
Q4 24
0.7%
2.4%
Q3 24
1.2%
1.3%
Q2 24
3.3%
0.7%
Q1 24
2.0%
1.1%
Cash Conversion
PRLB
PRLB
ZLAB
ZLAB
Q4 25
Q3 25
4.03×
Q2 25
2.39×
Q1 25
5.11×
Q4 24
Q3 24
3.44×
Q2 24
3.18×
Q1 24
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRLB
PRLB

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

ZLAB
ZLAB

Zejula$56.0M44%
Other$21.9M17%
Nuzyra$16.0M13%
Optune$11.9M9%
XACDURO$10.7M8%
Qinlock$9.7M8%
AUGTYRO$836.0K1%

Related Comparisons