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Side-by-side financial comparison of GRAFTECH INTERNATIONAL LTD (EAF) and ONTO INNOVATION INC. (ONTO). Click either name above to swap in a different company.

ONTO INNOVATION INC. is the larger business by last-quarter revenue ($218.2M vs $125.1M, roughly 1.7× GRAFTECH INTERNATIONAL LTD). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs -34.6%, a 47.5% gap on every dollar of revenue. On growth, GRAFTECH INTERNATIONAL LTD posted the faster year-over-year revenue change (11.9% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $-27.1M). Over the past eight quarters, ONTO INNOVATION INC.'s revenue compounded faster (2.6% 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.

Onto Innovation Inc. is an American semiconductor company formed in 2019 from the merger of Rudolph Technologies, Inc. and Nanometrics Incorporated. It is a provider of process and process control equipment and software for microelectronic manufacturing industries.

EAF vs ONTO — Head-to-Head

Bigger by revenue
ONTO
ONTO
1.7× larger
ONTO
$218.2M
$125.1M
EAF
Growing faster (revenue YoY)
EAF
EAF
+25.3% gap
EAF
11.9%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
47.5% more per $
ONTO
12.9%
-34.6%
EAF
More free cash flow
ONTO
ONTO
$109.1M more FCF
ONTO
$82.0M
$-27.1M
EAF
Faster 2-yr revenue CAGR
ONTO
ONTO
Annualised
ONTO
2.6%
-4.6%
EAF

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
EAF
EAF
ONTO
ONTO
Revenue
$125.1M
$218.2M
Net Profit
$-43.3M
$28.2M
Gross Margin
-7.8%
50.7%
Operating Margin
10.9%
Net Margin
-34.6%
12.9%
Revenue YoY
11.9%
-13.5%
Net Profit YoY
-10.0%
-46.8%
EPS (diluted)
$0.57

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
ONTO
ONTO
Q1 26
$125.1M
Q4 25
$116.5M
Q3 25
$144.0M
$218.2M
Q2 25
$131.8M
$253.6M
Q1 25
$111.8M
$266.6M
Q4 24
$134.2M
$263.9M
Q3 24
$130.7M
$252.2M
Q2 24
$137.3M
$242.3M
Net Profit
EAF
EAF
ONTO
ONTO
Q1 26
$-43.3M
Q4 25
$-65.1M
Q3 25
$-28.5M
$28.2M
Q2 25
$-86.9M
$33.9M
Q1 25
$-39.4M
$64.1M
Q4 24
$-49.5M
$48.8M
Q3 24
$-36.1M
$53.1M
Q2 24
$-14.8M
$52.9M
Gross Margin
EAF
EAF
ONTO
ONTO
Q1 26
-7.8%
Q4 25
-20.9%
Q3 25
7.2%
50.7%
Q2 25
0.0%
48.2%
Q1 25
-1.5%
53.7%
Q4 24
-7.8%
50.2%
Q3 24
-9.2%
54.1%
Q2 24
2.9%
52.9%
Operating Margin
EAF
EAF
ONTO
ONTO
Q1 26
Q4 25
-33.6%
Q3 25
-3.6%
10.9%
Q2 25
-11.0%
12.7%
Q1 25
-16.3%
23.7%
Q4 24
-18.6%
16.1%
Q3 24
-20.1%
21.0%
Q2 24
-2.0%
20.2%
Net Margin
EAF
EAF
ONTO
ONTO
Q1 26
-34.6%
Q4 25
-55.9%
Q3 25
-19.8%
12.9%
Q2 25
-65.9%
13.4%
Q1 25
-35.2%
24.0%
Q4 24
-36.9%
18.5%
Q3 24
-27.6%
21.0%
Q2 24
-10.7%
21.9%
EPS (diluted)
EAF
EAF
ONTO
ONTO
Q1 26
Q4 25
$-6.86
Q3 25
$-1.10
$0.57
Q2 25
$-0.34
$0.69
Q1 25
$-0.15
$1.30
Q4 24
$-3.51
$0.98
Q3 24
$-1.40
$1.07
Q2 24
$-0.06
$1.07

Balance Sheet & Financial Strength

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

Metric
EAF
EAF
ONTO
ONTO
Cash + ST InvestmentsLiquidity on hand
$120.2M
$603.1M
Total DebtLower is stronger
$1.1B
Stockholders' EquityBook value
$2.0B
Total Assets
$997.2M
$2.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EAF
EAF
ONTO
ONTO
Q1 26
$120.2M
Q4 25
Q3 25
$603.1M
Q2 25
$217.5M
Q1 25
$203.7M
Q4 24
$212.9M
Q3 24
$188.7M
Q2 24
$120.7M
$172.6M
Total Debt
EAF
EAF
ONTO
ONTO
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
ONTO
ONTO
Q1 26
Q4 25
$-259.6M
Q3 25
$-194.4M
$2.0B
Q2 25
$-168.4M
$2.0B
Q1 25
$-105.3M
$1.9B
Q4 24
$-78.9M
$1.9B
Q3 24
$-9.0M
$1.9B
Q2 24
$16.2M
$1.8B
Total Assets
EAF
EAF
ONTO
ONTO
Q1 26
$997.2M
Q4 25
$1.0B
Q3 25
$1.1B
$2.2B
Q2 25
$1.1B
$2.1B
Q1 25
$1.2B
$2.1B
Q4 24
$1.2B
$2.1B
Q3 24
$1.1B
$2.1B
Q2 24
$1.2B
$2.0B
Debt / Equity
EAF
EAF
ONTO
ONTO
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
ONTO
ONTO
Operating Cash FlowLast quarter
$-14.9M
$83.4M
Free Cash FlowOCF − Capex
$-27.1M
$82.0M
FCF MarginFCF / Revenue
-21.6%
37.6%
Capex IntensityCapex / Revenue
9.7%
0.6%
Cash ConversionOCF / Net Profit
2.95×
TTM Free Cash FlowTrailing 4 quarters
$-105.1M
$261.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EAF
EAF
ONTO
ONTO
Q1 26
$-14.9M
Q4 25
$-20.9M
Q3 25
$24.7M
$83.4M
Q2 25
$-53.2M
$57.9M
Q1 25
$-32.2M
$92.0M
Q4 24
$-26.4M
$56.0M
Q3 24
$23.7M
$67.2M
Q2 24
$-36.9M
$65.3M
Free Cash Flow
EAF
EAF
ONTO
ONTO
Q1 26
$-27.1M
Q4 25
$-39.3M
Q3 25
$18.4M
$82.0M
Q2 25
$-57.1M
$44.2M
Q1 25
$-42.5M
$83.7M
Q4 24
$-39.2M
$51.4M
Q3 24
$19.7M
$59.2M
Q2 24
$-43.8M
$53.0M
FCF Margin
EAF
EAF
ONTO
ONTO
Q1 26
-21.6%
Q4 25
-33.7%
Q3 25
12.8%
37.6%
Q2 25
-43.3%
17.4%
Q1 25
-38.0%
31.4%
Q4 24
-29.2%
19.5%
Q3 24
15.1%
23.5%
Q2 24
-31.9%
21.9%
Capex Intensity
EAF
EAF
ONTO
ONTO
Q1 26
9.7%
Q4 25
15.8%
Q3 25
4.4%
0.6%
Q2 25
3.0%
5.4%
Q1 25
9.2%
3.1%
Q4 24
9.5%
1.8%
Q3 24
3.1%
3.2%
Q2 24
5.1%
5.1%
Cash Conversion
EAF
EAF
ONTO
ONTO
Q1 26
Q4 25
Q3 25
2.95×
Q2 25
1.71×
Q1 25
1.44×
Q4 24
1.15×
Q3 24
1.27×
Q2 24
1.23×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EAF
EAF

Segment breakdown not available.

ONTO
ONTO

Systems And Software Revenue$173.8M80%
Parts Revenue$23.9M11%
Service Revenue$20.5M9%

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