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Side-by-side financial comparison of Groupon, Inc. (GRPN) 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 $132.7M, roughly 1.0× Groupon, Inc.). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs 1.8%). Groupon, Inc. produced more free cash flow last quarter ($53.0M vs $8.4M). Over the past eight quarters, Groupon, Inc.'s revenue compounded faster (3.8% CAGR vs 3.3%).

Groupon, Inc. is an American e-commerce marketplace that connects subscribers with local merchants by offering activities, travel, goods, and services in 13 countries.

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...

GRPN vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.0× larger
PRLB
$136.5M
$132.7M
GRPN
Growing faster (revenue YoY)
PRLB
PRLB
+10.3% gap
PRLB
12.1%
1.8%
GRPN
More free cash flow
GRPN
GRPN
$44.6M more FCF
GRPN
$53.0M
$8.4M
PRLB
Faster 2-yr revenue CAGR
GRPN
GRPN
Annualised
GRPN
3.8%
3.3%
PRLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
GRPN
GRPN
PRLB
PRLB
Revenue
$132.7M
$136.5M
Net Profit
$7.9M
Gross Margin
90.4%
44.2%
Operating Margin
4.9%
5.0%
Net Margin
6.0%
Revenue YoY
1.8%
12.1%
Net Profit YoY
115.8%
EPS (diluted)
$0.21
$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
GRPN
GRPN
PRLB
PRLB
Q4 25
$132.7M
$136.5M
Q3 25
$122.8M
$135.4M
Q2 25
$125.7M
$135.1M
Q1 25
$117.2M
$126.2M
Q4 24
$130.4M
$121.8M
Q3 24
$114.5M
$125.6M
Q2 24
$124.6M
$125.6M
Q1 24
$123.1M
$127.9M
Net Profit
GRPN
GRPN
PRLB
PRLB
Q4 25
$7.9M
Q3 25
$-118.4M
$7.2M
Q2 25
$20.3M
$4.4M
Q1 25
$7.2M
$3.6M
Q4 24
$-50.1M
Q3 24
$13.9M
$7.2M
Q2 24
$-10.0M
$4.5M
Q1 24
$-12.3M
$5.3M
Gross Margin
GRPN
GRPN
PRLB
PRLB
Q4 25
90.4%
44.2%
Q3 25
91.1%
45.3%
Q2 25
91.0%
44.3%
Q1 25
90.7%
44.1%
Q4 24
90.6%
42.7%
Q3 24
89.9%
45.6%
Q2 24
90.4%
45.0%
Q1 24
89.8%
44.9%
Operating Margin
GRPN
GRPN
PRLB
PRLB
Q4 25
4.9%
5.0%
Q3 25
1.8%
6.5%
Q2 25
10.4%
3.7%
Q1 25
1.6%
3.6%
Q4 24
2.0%
-1.2%
Q3 24
-4.9%
6.8%
Q2 24
3.5%
4.8%
Q1 24
6.0%
5.3%
Net Margin
GRPN
GRPN
PRLB
PRLB
Q4 25
6.0%
Q3 25
-96.4%
5.3%
Q2 25
16.2%
3.3%
Q1 25
6.1%
2.9%
Q4 24
-38.4%
Q3 24
12.2%
5.7%
Q2 24
-8.1%
3.6%
Q1 24
-10.0%
4.1%
EPS (diluted)
GRPN
GRPN
PRLB
PRLB
Q4 25
$0.21
$0.25
Q3 25
$-2.92
$0.30
Q2 25
$0.46
$0.18
Q1 25
$0.17
$0.15
Q4 24
$-1.26
$-0.01
Q3 24
$0.33
$0.29
Q2 24
$-0.25
$0.18
Q1 24
$-0.33
$0.20

Balance Sheet & Financial Strength

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

Metric
GRPN
GRPN
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$296.1M
$128.1M
Total DebtLower is stronger
$342.8M
Stockholders' EquityBook value
$-42.6M
$673.9M
Total Assets
$670.4M
$763.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GRPN
GRPN
PRLB
PRLB
Q4 25
$296.1M
$128.1M
Q3 25
$238.5M
$119.2M
Q2 25
$262.6M
$103.2M
Q1 25
$226.8M
$96.8M
Q4 24
$228.8M
$103.1M
Q3 24
$159.7M
$100.5M
Q2 24
$178.1M
$112.9M
Q1 24
$158.7M
$109.7M
Total Debt
GRPN
GRPN
PRLB
PRLB
Q4 25
$342.8M
Q3 25
Q2 25
Q1 25
Q4 24
$246.0M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
GRPN
GRPN
PRLB
PRLB
Q4 25
$-42.6M
$673.9M
Q3 25
$-59.6M
$664.7M
Q2 25
$51.2M
$664.7M
Q1 25
$45.5M
$656.8M
Q4 24
$40.8M
$670.2M
Q3 24
$40.0M
$680.0M
Q2 24
$40.2M
$685.2M
Q1 24
$41.2M
$687.3M
Total Assets
GRPN
GRPN
PRLB
PRLB
Q4 25
$670.4M
$763.4M
Q3 25
$608.2M
$756.9M
Q2 25
$647.4M
$743.3M
Q1 25
$608.2M
$737.5M
Q4 24
$612.7M
$743.5M
Q3 24
$548.0M
$753.8M
Q2 24
$572.8M
$758.2M
Q1 24
$580.5M
$769.8M
Debt / Equity
GRPN
GRPN
PRLB
PRLB
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
6.03×
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
GRPN
GRPN
PRLB
PRLB
Operating Cash FlowLast quarter
$56.6M
$16.5M
Free Cash FlowOCF − Capex
$53.0M
$8.4M
FCF MarginFCF / Revenue
40.0%
6.2%
Capex IntensityCapex / Revenue
2.7%
5.9%
Cash ConversionOCF / Net Profit
7.13×
TTM Free Cash FlowTrailing 4 quarters
$49.9M
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GRPN
GRPN
PRLB
PRLB
Q4 25
$56.6M
$16.5M
Q3 25
$-20.5M
$29.1M
Q2 25
$28.4M
$10.6M
Q1 25
$-22.0K
$18.4M
Q4 24
$67.0M
$17.3M
Q3 24
$-16.3M
$24.8M
Q2 24
$15.3M
$14.4M
Q1 24
$-10.1M
$21.3M
Free Cash Flow
GRPN
GRPN
PRLB
PRLB
Q4 25
$53.0M
$8.4M
Q3 25
$-24.6M
$25.0M
Q2 25
$25.2M
$9.1M
Q1 25
$-3.8M
$17.1M
Q4 24
$63.2M
$16.5M
Q3 24
$-19.7M
$23.2M
Q2 24
$10.8M
$10.2M
Q1 24
$-13.8M
$18.8M
FCF Margin
GRPN
GRPN
PRLB
PRLB
Q4 25
40.0%
6.2%
Q3 25
-20.0%
18.5%
Q2 25
20.0%
6.7%
Q1 25
-3.2%
13.6%
Q4 24
48.5%
13.5%
Q3 24
-17.2%
18.5%
Q2 24
8.7%
8.2%
Q1 24
-11.2%
14.7%
Capex Intensity
GRPN
GRPN
PRLB
PRLB
Q4 25
2.7%
5.9%
Q3 25
3.3%
3.0%
Q2 25
2.6%
1.1%
Q1 25
3.2%
1.0%
Q4 24
2.9%
0.7%
Q3 24
3.0%
1.2%
Q2 24
3.6%
3.3%
Q1 24
3.0%
2.0%
Cash Conversion
GRPN
GRPN
PRLB
PRLB
Q4 25
7.13×
Q3 25
4.03×
Q2 25
1.40×
2.39×
Q1 25
-0.00×
5.11×
Q4 24
Q3 24
-1.17×
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

GRPN
GRPN

Service Local$94.8M71%
Other$35.6M27%
Service Travel$2.3M2%

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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