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Side-by-side financial comparison of GRAFTECH INTERNATIONAL LTD (EAF) 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 ($139.3M vs $125.1M, roughly 1.1× GRAFTECH INTERNATIONAL LTD). Proto Labs Inc runs the higher net margin — 5.8% vs -34.6%, a 40.4% gap on every dollar of revenue. On growth, GRAFTECH INTERNATIONAL LTD posted the faster year-over-year revenue change (11.9% vs 10.4%). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (5.3% CAGR vs -4.6%).

GrafTech International Ltd. is a manufacturer of graphite electrodes and petroleum coke, which are essential for the production of electric arc furnace steel and other metals. Headquartered in Brooklyn Heights, Ohio, it has manufacturing facilities in Calais, France;Pamplona, Spain; Monterrey, Mexico; and St. Marys, Pennsylvania.

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...

EAF vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.1× larger
PRLB
$139.3M
$125.1M
EAF
Growing faster (revenue YoY)
EAF
EAF
+1.5% gap
EAF
11.9%
10.4%
PRLB
Higher net margin
PRLB
PRLB
40.4% more per $
PRLB
5.8%
-34.6%
EAF
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
5.3%
-4.6%
EAF

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
EAF
EAF
PRLB
PRLB
Revenue
$125.1M
$139.3M
Net Profit
$-43.3M
$8.1M
Gross Margin
-7.8%
45.6%
Operating Margin
7.1%
Net Margin
-34.6%
5.8%
Revenue YoY
11.9%
10.4%
Net Profit YoY
-10.0%
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
EAF
EAF
PRLB
PRLB
Q1 26
$125.1M
$139.3M
Q4 25
$116.5M
$136.5M
Q3 25
$144.0M
$135.4M
Q2 25
$131.8M
$135.1M
Q1 25
$111.8M
$126.2M
Q4 24
$134.2M
$121.8M
Q3 24
$130.7M
$125.6M
Q2 24
$137.3M
$125.6M
Net Profit
EAF
EAF
PRLB
PRLB
Q1 26
$-43.3M
$8.1M
Q4 25
$-65.1M
Q3 25
$-28.5M
$7.2M
Q2 25
$-86.9M
$4.4M
Q1 25
$-39.4M
$3.6M
Q4 24
$-49.5M
Q3 24
$-36.1M
$7.2M
Q2 24
$-14.8M
$4.5M
Gross Margin
EAF
EAF
PRLB
PRLB
Q1 26
-7.8%
45.6%
Q4 25
-20.9%
44.2%
Q3 25
7.2%
45.3%
Q2 25
0.0%
44.3%
Q1 25
-1.5%
44.1%
Q4 24
-7.8%
42.7%
Q3 24
-9.2%
45.6%
Q2 24
2.9%
45.0%
Operating Margin
EAF
EAF
PRLB
PRLB
Q1 26
7.1%
Q4 25
-33.6%
5.0%
Q3 25
-3.6%
6.5%
Q2 25
-11.0%
3.7%
Q1 25
-16.3%
3.6%
Q4 24
-18.6%
-1.2%
Q3 24
-20.1%
6.8%
Q2 24
-2.0%
4.8%
Net Margin
EAF
EAF
PRLB
PRLB
Q1 26
-34.6%
5.8%
Q4 25
-55.9%
Q3 25
-19.8%
5.3%
Q2 25
-65.9%
3.3%
Q1 25
-35.2%
2.9%
Q4 24
-36.9%
Q3 24
-27.6%
5.7%
Q2 24
-10.7%
3.6%
EPS (diluted)
EAF
EAF
PRLB
PRLB
Q1 26
$0.29
Q4 25
$-6.86
$0.25
Q3 25
$-1.10
$0.30
Q2 25
$-0.34
$0.18
Q1 25
$-0.15
$0.15
Q4 24
$-3.51
$-0.01
Q3 24
$-1.40
$0.29
Q2 24
$-0.06
$0.18

Balance Sheet & Financial Strength

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

Metric
EAF
EAF
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$120.2M
$124.0M
Total DebtLower is stronger
$1.1B
Stockholders' EquityBook value
$683.1M
Total Assets
$997.2M
$778.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EAF
EAF
PRLB
PRLB
Q1 26
$120.2M
$124.0M
Q4 25
$128.1M
Q3 25
$119.2M
Q2 25
$103.2M
Q1 25
$96.8M
Q4 24
$103.1M
Q3 24
$100.5M
Q2 24
$120.7M
$112.9M
Total Debt
EAF
EAF
PRLB
PRLB
Q1 26
$1.1B
Q4 25
$1.1B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
$929.5M
Q2 24
$928.2M
Stockholders' Equity
EAF
EAF
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$-259.6M
$673.9M
Q3 25
$-194.4M
$664.7M
Q2 25
$-168.4M
$664.7M
Q1 25
$-105.3M
$656.8M
Q4 24
$-78.9M
$670.2M
Q3 24
$-9.0M
$680.0M
Q2 24
$16.2M
$685.2M
Total Assets
EAF
EAF
PRLB
PRLB
Q1 26
$997.2M
$778.6M
Q4 25
$1.0B
$763.4M
Q3 25
$1.1B
$756.9M
Q2 25
$1.1B
$743.3M
Q1 25
$1.2B
$737.5M
Q4 24
$1.2B
$743.5M
Q3 24
$1.1B
$753.8M
Q2 24
$1.2B
$758.2M
Debt / Equity
EAF
EAF
PRLB
PRLB
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
57.16×

Cash Flow & Capital Efficiency

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

Metric
EAF
EAF
PRLB
PRLB
Operating Cash FlowLast quarter
$-14.9M
$17.5M
Free Cash FlowOCF − Capex
$-27.1M
FCF MarginFCF / Revenue
-21.6%
Capex IntensityCapex / Revenue
9.7%
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$-105.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EAF
EAF
PRLB
PRLB
Q1 26
$-14.9M
$17.5M
Q4 25
$-20.9M
$16.5M
Q3 25
$24.7M
$29.1M
Q2 25
$-53.2M
$10.6M
Q1 25
$-32.2M
$18.4M
Q4 24
$-26.4M
$17.3M
Q3 24
$23.7M
$24.8M
Q2 24
$-36.9M
$14.4M
Free Cash Flow
EAF
EAF
PRLB
PRLB
Q1 26
$-27.1M
Q4 25
$-39.3M
$8.4M
Q3 25
$18.4M
$25.0M
Q2 25
$-57.1M
$9.1M
Q1 25
$-42.5M
$17.1M
Q4 24
$-39.2M
$16.5M
Q3 24
$19.7M
$23.2M
Q2 24
$-43.8M
$10.2M
FCF Margin
EAF
EAF
PRLB
PRLB
Q1 26
-21.6%
Q4 25
-33.7%
6.2%
Q3 25
12.8%
18.5%
Q2 25
-43.3%
6.7%
Q1 25
-38.0%
13.6%
Q4 24
-29.2%
13.5%
Q3 24
15.1%
18.5%
Q2 24
-31.9%
8.2%
Capex Intensity
EAF
EAF
PRLB
PRLB
Q1 26
9.7%
Q4 25
15.8%
5.9%
Q3 25
4.4%
3.0%
Q2 25
3.0%
1.1%
Q1 25
9.2%
1.0%
Q4 24
9.5%
0.7%
Q3 24
3.1%
1.2%
Q2 24
5.1%
3.3%
Cash Conversion
EAF
EAF
PRLB
PRLB
Q1 26
2.16×
Q4 25
Q3 25
4.03×
Q2 25
2.39×
Q1 25
5.11×
Q4 24
Q3 24
3.44×
Q2 24
3.18×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EAF
EAF

Segment breakdown not available.

PRLB
PRLB

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

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