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Side-by-side financial comparison of Proto Labs Inc (PRLB) and Shoals Technologies Group, Inc. (SHLS). Click either name above to swap in a different company.

Shoals Technologies Group, Inc. is the larger business by last-quarter revenue ($148.3M vs $136.5M, roughly 1.1× Proto Labs Inc). On growth, Shoals Technologies Group, Inc. posted the faster year-over-year revenue change (38.6% vs 12.1%). Proto Labs Inc produced more free cash flow last quarter ($8.4M vs $-11.3M). Over the past eight quarters, Shoals Technologies Group, Inc.'s revenue compounded faster (27.8% 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...

Shoals Technologies Group is a leading provider of electrical balance of systems solutions for renewable energy and e-mobility. It supplies connectivity components for solar projects, energy storage systems and EV charging infrastructure, serving clients across North America, Europe and Asia-Pacific.

PRLB vs SHLS — Head-to-Head

Bigger by revenue
SHLS
SHLS
1.1× larger
SHLS
$148.3M
$136.5M
PRLB
Growing faster (revenue YoY)
SHLS
SHLS
+26.5% gap
SHLS
38.6%
12.1%
PRLB
More free cash flow
PRLB
PRLB
$19.7M more FCF
PRLB
$8.4M
$-11.3M
SHLS
Faster 2-yr revenue CAGR
SHLS
SHLS
Annualised
SHLS
27.8%
3.3%
PRLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PRLB
PRLB
SHLS
SHLS
Revenue
$136.5M
$148.3M
Net Profit
$8.1M
Gross Margin
44.2%
31.6%
Operating Margin
5.0%
11.7%
Net Margin
5.5%
Revenue YoY
12.1%
38.6%
Net Profit YoY
3.9%
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
SHLS
SHLS
Q4 25
$136.5M
$148.3M
Q3 25
$135.4M
$135.8M
Q2 25
$135.1M
$110.8M
Q1 25
$126.2M
$80.4M
Q4 24
$121.8M
$107.0M
Q3 24
$125.6M
$102.2M
Q2 24
$125.6M
$99.2M
Q1 24
$127.9M
$90.8M
Net Profit
PRLB
PRLB
SHLS
SHLS
Q4 25
$8.1M
Q3 25
$7.2M
$11.9M
Q2 25
$4.4M
$13.9M
Q1 25
$3.6M
$-282.0K
Q4 24
$7.8M
Q3 24
$7.2M
$-267.0K
Q2 24
$4.5M
$11.8M
Q1 24
$5.3M
$4.8M
Gross Margin
PRLB
PRLB
SHLS
SHLS
Q4 25
44.2%
31.6%
Q3 25
45.3%
37.0%
Q2 25
44.3%
37.2%
Q1 25
44.1%
35.0%
Q4 24
42.7%
37.6%
Q3 24
45.6%
24.8%
Q2 24
45.0%
40.3%
Q1 24
44.9%
40.2%
Operating Margin
PRLB
PRLB
SHLS
SHLS
Q4 25
5.0%
11.7%
Q3 25
6.5%
13.7%
Q2 25
3.7%
14.4%
Q1 25
3.6%
5.4%
Q4 24
-1.2%
15.4%
Q3 24
6.8%
4.4%
Q2 24
4.8%
18.7%
Q1 24
5.3%
12.8%
Net Margin
PRLB
PRLB
SHLS
SHLS
Q4 25
5.5%
Q3 25
5.3%
8.7%
Q2 25
3.3%
12.5%
Q1 25
2.9%
-0.4%
Q4 24
7.3%
Q3 24
5.7%
-0.3%
Q2 24
3.6%
11.9%
Q1 24
4.1%
5.3%
EPS (diluted)
PRLB
PRLB
SHLS
SHLS
Q4 25
$0.25
$0.05
Q3 25
$0.30
$0.07
Q2 25
$0.18
$0.08
Q1 25
$0.15
$0.00
Q4 24
$-0.01
$0.04
Q3 24
$0.29
$0.00
Q2 24
$0.18
$0.07
Q1 24
$0.20
$0.03

Balance Sheet & Financial Strength

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

Metric
PRLB
PRLB
SHLS
SHLS
Cash + ST InvestmentsLiquidity on hand
$128.1M
$7.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$673.9M
$600.0M
Total Assets
$763.4M
$904.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRLB
PRLB
SHLS
SHLS
Q4 25
$128.1M
$7.3M
Q3 25
$119.2M
$8.6M
Q2 25
$103.2M
$4.7M
Q1 25
$96.8M
$35.6M
Q4 24
$103.1M
$23.5M
Q3 24
$100.5M
$11.1M
Q2 24
$112.9M
$3.2M
Q1 24
$109.7M
$15.2M
Total Debt
PRLB
PRLB
SHLS
SHLS
Q4 25
Q3 25
Q2 25
Q1 25
$141.8M
Q4 24
$141.8M
Q3 24
$141.8M
Q2 24
$146.8M
Q1 24
$168.8M
Stockholders' Equity
PRLB
PRLB
SHLS
SHLS
Q4 25
$673.9M
$600.0M
Q3 25
$664.7M
$589.6M
Q2 25
$664.7M
$575.4M
Q1 25
$656.8M
$558.9M
Q4 24
$670.2M
$556.8M
Q3 24
$680.0M
$545.2M
Q2 24
$685.2M
$544.6M
Q1 24
$687.3M
$554.0M
Total Assets
PRLB
PRLB
SHLS
SHLS
Q4 25
$763.4M
$904.1M
Q3 25
$756.9M
$851.8M
Q2 25
$743.3M
$795.0M
Q1 25
$737.5M
$788.4M
Q4 24
$743.5M
$793.1M
Q3 24
$753.8M
$801.3M
Q2 24
$758.2M
$788.4M
Q1 24
$769.8M
$825.3M
Debt / Equity
PRLB
PRLB
SHLS
SHLS
Q4 25
Q3 25
Q2 25
Q1 25
0.25×
Q4 24
0.25×
Q3 24
0.26×
Q2 24
0.27×
Q1 24
0.30×

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
SHLS
SHLS
Operating Cash FlowLast quarter
$16.5M
$-4.1M
Free Cash FlowOCF − Capex
$8.4M
$-11.3M
FCF MarginFCF / Revenue
6.2%
-7.6%
Capex IntensityCapex / Revenue
5.9%
4.8%
Cash ConversionOCF / Net Profit
-0.50×
TTM Free Cash FlowTrailing 4 quarters
$59.7M
$-16.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRLB
PRLB
SHLS
SHLS
Q4 25
$16.5M
$-4.1M
Q3 25
$29.1M
$19.4M
Q2 25
$10.6M
$-13.8M
Q1 25
$18.4M
$15.6M
Q4 24
$17.3M
$14.0M
Q3 24
$24.8M
$15.7M
Q2 24
$14.4M
$37.8M
Q1 24
$21.3M
$12.9M
Free Cash Flow
PRLB
PRLB
SHLS
SHLS
Q4 25
$8.4M
$-11.3M
Q3 25
$25.0M
$9.0M
Q2 25
$9.1M
$-26.0M
Q1 25
$17.1M
$12.3M
Q4 24
$16.5M
$12.5M
Q3 24
$23.2M
$13.3M
Q2 24
$10.2M
$35.8M
Q1 24
$18.8M
$10.4M
FCF Margin
PRLB
PRLB
SHLS
SHLS
Q4 25
6.2%
-7.6%
Q3 25
18.5%
6.6%
Q2 25
6.7%
-23.5%
Q1 25
13.6%
15.4%
Q4 24
13.5%
11.6%
Q3 24
18.5%
13.0%
Q2 24
8.2%
36.1%
Q1 24
14.7%
11.4%
Capex Intensity
PRLB
PRLB
SHLS
SHLS
Q4 25
5.9%
4.8%
Q3 25
3.0%
7.7%
Q2 25
1.1%
11.0%
Q1 25
1.0%
4.0%
Q4 24
0.7%
1.4%
Q3 24
1.2%
2.3%
Q2 24
3.3%
2.0%
Q1 24
2.0%
2.7%
Cash Conversion
PRLB
PRLB
SHLS
SHLS
Q4 25
-0.50×
Q3 25
4.03×
1.63×
Q2 25
2.39×
-1.00×
Q1 25
5.11×
Q4 24
1.79×
Q3 24
3.44×
Q2 24
3.18×
3.21×
Q1 24
4.05×
2.69×

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%

SHLS
SHLS

System Solutions$122.0M82%
Components$26.3M18%

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