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Side-by-side financial comparison of Proto Labs Inc (PRLB) and GIBRALTAR INDUSTRIES, INC. (ROCK). Click either name above to swap in a different company.

GIBRALTAR INDUSTRIES, INC. is the larger business by last-quarter revenue ($225.0M vs $139.3M, roughly 1.6× Proto Labs Inc). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 10.4%). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (5.3% CAGR vs -12.3%).

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...

Gibraltar Industries, Inc. is a leading manufacturer and distributor of specialized building, infrastructure, and renewable energy products. Its offerings include ventilation systems, roofing accessories, solar mounting solutions, and landscape and garden products, serving residential, commercial construction, and clean energy markets primarily across North America, with a focus on innovative, sustainable solutions for its customers.

PRLB vs ROCK — Head-to-Head

Bigger by revenue
ROCK
ROCK
1.6× larger
ROCK
$225.0M
$139.3M
PRLB
Growing faster (revenue YoY)
ROCK
ROCK
+14.5% gap
ROCK
24.9%
10.4%
PRLB
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
5.3%
-12.3%
ROCK

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
PRLB
PRLB
ROCK
ROCK
Revenue
$139.3M
$225.0M
Net Profit
$8.1M
Gross Margin
45.6%
25.3%
Operating Margin
7.1%
7.9%
Net Margin
5.8%
Revenue YoY
10.4%
24.9%
Net Profit YoY
125.4%
EPS (diluted)
$0.29

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
ROCK
ROCK
Q1 26
$139.3M
Q4 25
$136.5M
$225.0M
Q3 25
$135.4M
$310.9M
Q2 25
$135.1M
$309.5M
Q1 25
$126.2M
$290.0M
Q4 24
$121.8M
$180.1M
Q3 24
$125.6M
$277.1M
Q2 24
$125.6M
$273.6M
Net Profit
PRLB
PRLB
ROCK
ROCK
Q1 26
$8.1M
Q4 25
Q3 25
$7.2M
$-89.1M
Q2 25
$4.4M
$26.0M
Q1 25
$3.6M
$21.1M
Q4 24
Q3 24
$7.2M
$34.0M
Q2 24
$4.5M
$32.2M
Gross Margin
PRLB
PRLB
ROCK
ROCK
Q1 26
45.6%
Q4 25
44.2%
25.3%
Q3 25
45.3%
26.6%
Q2 25
44.3%
28.4%
Q1 25
44.1%
26.8%
Q4 24
42.7%
29.0%
Q3 24
45.6%
29.4%
Q2 24
45.0%
30.5%
Operating Margin
PRLB
PRLB
ROCK
ROCK
Q1 26
7.1%
Q4 25
5.0%
7.9%
Q3 25
6.5%
12.8%
Q2 25
3.7%
12.8%
Q1 25
3.6%
8.8%
Q4 24
-1.2%
13.3%
Q3 24
6.8%
15.6%
Q2 24
4.8%
14.9%
Net Margin
PRLB
PRLB
ROCK
ROCK
Q1 26
5.8%
Q4 25
Q3 25
5.3%
-28.6%
Q2 25
3.3%
8.4%
Q1 25
2.9%
7.3%
Q4 24
Q3 24
5.7%
12.3%
Q2 24
3.6%
11.8%
EPS (diluted)
PRLB
PRLB
ROCK
ROCK
Q1 26
$0.29
Q4 25
$0.25
Q3 25
$0.30
$-2.98
Q2 25
$0.18
$0.87
Q1 25
$0.15
Q4 24
$-0.01
Q3 24
$0.29
$1.11
Q2 24
$0.18
$1.05

Balance Sheet & Financial Strength

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

Metric
PRLB
PRLB
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$124.0M
$115.7M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$683.1M
$950.4M
Total Assets
$778.6M
$1.4B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRLB
PRLB
ROCK
ROCK
Q1 26
$124.0M
Q4 25
$128.1M
$115.7M
Q3 25
$119.2M
$89.4M
Q2 25
$103.2M
$43.3M
Q1 25
$96.8M
$25.1M
Q4 24
$103.1M
$269.5M
Q3 24
$100.5M
$228.9M
Q2 24
$112.9M
$179.1M
Total Debt
PRLB
PRLB
ROCK
ROCK
Q1 26
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Stockholders' Equity
PRLB
PRLB
ROCK
ROCK
Q1 26
$683.1M
Q4 25
$673.9M
$950.4M
Q3 25
$664.7M
$951.8M
Q2 25
$664.7M
$1.0B
Q1 25
$656.8M
$1.0B
Q4 24
$670.2M
$1.0B
Q3 24
$680.0M
$1.0B
Q2 24
$685.2M
$975.7M
Total Assets
PRLB
PRLB
ROCK
ROCK
Q1 26
$778.6M
Q4 25
$763.4M
$1.4B
Q3 25
$756.9M
$1.4B
Q2 25
$743.3M
$1.5B
Q1 25
$737.5M
$1.4B
Q4 24
$743.5M
$1.4B
Q3 24
$753.8M
$1.4B
Q2 24
$758.2M
$1.4B
Debt / Equity
PRLB
PRLB
ROCK
ROCK
Q1 26
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×

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
ROCK
ROCK
Operating Cash FlowLast quarter
$17.5M
$35.5M
Free Cash FlowOCF − Capex
$26.2M
FCF MarginFCF / Revenue
11.7%
Capex IntensityCapex / Revenue
4.1%
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRLB
PRLB
ROCK
ROCK
Q1 26
$17.5M
Q4 25
$16.5M
$35.5M
Q3 25
$29.1M
$73.0M
Q2 25
$10.6M
$44.9M
Q1 25
$18.4M
$13.7M
Q4 24
$17.3M
$19.9M
Q3 24
$24.8M
$64.7M
Q2 24
$14.4M
$36.5M
Free Cash Flow
PRLB
PRLB
ROCK
ROCK
Q1 26
Q4 25
$8.4M
$26.2M
Q3 25
$25.0M
$64.8M
Q2 25
$9.1M
$27.3M
Q1 25
$17.1M
$2.3M
Q4 24
$16.5M
$14.1M
Q3 24
$23.2M
$60.5M
Q2 24
$10.2M
$33.5M
FCF Margin
PRLB
PRLB
ROCK
ROCK
Q1 26
Q4 25
6.2%
11.7%
Q3 25
18.5%
20.8%
Q2 25
6.7%
8.8%
Q1 25
13.6%
0.8%
Q4 24
13.5%
7.8%
Q3 24
18.5%
21.8%
Q2 24
8.2%
12.2%
Capex Intensity
PRLB
PRLB
ROCK
ROCK
Q1 26
Q4 25
5.9%
4.1%
Q3 25
3.0%
2.6%
Q2 25
1.1%
5.7%
Q1 25
1.0%
3.9%
Q4 24
0.7%
3.3%
Q3 24
1.2%
1.5%
Q2 24
3.3%
1.1%
Cash Conversion
PRLB
PRLB
ROCK
ROCK
Q1 26
2.16×
Q4 25
Q3 25
4.03×
Q2 25
2.39×
1.73×
Q1 25
5.11×
0.65×
Q4 24
Q3 24
3.44×
1.90×
Q2 24
3.18×
1.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

ROCK
ROCK

Transferred At Point In Time$183.5M82%
Infrastructure$22.5M10%
Other$18.9M8%

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