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Side-by-side financial comparison of MKS INC (MKSI) and NATIONAL FUEL GAS CO (NFG). Click either name above to swap in a different company.

MKS INC is the larger business by last-quarter revenue ($1.0B vs $425.9M, roughly 2.4× NATIONAL FUEL GAS CO). NATIONAL FUEL GAS CO runs the higher net margin — 35.7% vs 10.3%, a 25.3% gap on every dollar of revenue. On growth, MKS INC posted the faster year-over-year revenue change (10.6% vs 1.7%). Over the past eight quarters, NATIONAL FUEL GAS CO's revenue compounded faster (12.1% CAGR vs 9.1%).

MKS, Inc is a subsidiary of PTC, Inc. It was previously a multinational independent software vendor that was acquired by Parametric Technology Corporation on May 31, 2011. MKS operated in the Application Lifecycle Management (ALM) and Systems Administration market segments.

National Fuel Gas Company is a diversified energy company with $6.2 billion in assets distributed among the following five operating segments: Exploration and Production, Pipeline and Storage, Gathering, Utility, and Energy Marketing. National Fuel Gas was incorporated in 1902 and is based in Williamsville, New York.

MKSI vs NFG — Head-to-Head

Bigger by revenue
MKSI
MKSI
2.4× larger
MKSI
$1.0B
$425.9M
NFG
Growing faster (revenue YoY)
MKSI
MKSI
+8.9% gap
MKSI
10.6%
1.7%
NFG
Higher net margin
NFG
NFG
25.3% more per $
NFG
35.7%
10.3%
MKSI
Faster 2-yr revenue CAGR
NFG
NFG
Annualised
NFG
12.1%
9.1%
MKSI

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
MKSI
MKSI
NFG
NFG
Revenue
$1.0B
$425.9M
Net Profit
$107.0M
$152.0M
Gross Margin
46.3%
Operating Margin
13.9%
81.5%
Net Margin
10.3%
35.7%
Revenue YoY
10.6%
1.7%
Net Profit YoY
18.9%
EPS (diluted)
$1.58
$1.59

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
MKSI
MKSI
NFG
NFG
Q1 26
$425.9M
Q4 25
$1.0B
$637.9M
Q3 25
$988.0M
$443.1M
Q2 25
$973.0M
$527.4M
Q1 25
$936.0M
$734.8M
Q4 24
$935.0M
$513.8M
Q3 24
$896.0M
$310.0M
Q2 24
$887.0M
$338.6M
Net Profit
MKSI
MKSI
NFG
NFG
Q1 26
$152.0M
Q4 25
$107.0M
$181.6M
Q3 25
$74.0M
$107.3M
Q2 25
$62.0M
$149.8M
Q1 25
$52.0M
$216.4M
Q4 24
$90.0M
$45.0M
Q3 24
$62.0M
$-167.6M
Q2 24
$23.0M
$-54.2M
Gross Margin
MKSI
MKSI
NFG
NFG
Q1 26
Q4 25
46.3%
86.6%
Q3 25
46.7%
Q2 25
46.6%
94.7%
Q1 25
47.4%
81.6%
Q4 24
47.3%
87.3%
Q3 24
48.2%
Q2 24
47.2%
98.5%
Operating Margin
MKSI
MKSI
NFG
NFG
Q1 26
81.5%
Q4 25
13.9%
43.3%
Q3 25
14.0%
40.6%
Q2 25
13.9%
43.7%
Q1 25
11.9%
43.2%
Q4 24
14.7%
16.8%
Q3 24
14.3%
-63.4%
Q2 24
14.3%
-15.2%
Net Margin
MKSI
MKSI
NFG
NFG
Q1 26
35.7%
Q4 25
10.3%
28.5%
Q3 25
7.5%
24.2%
Q2 25
6.4%
28.4%
Q1 25
5.6%
29.4%
Q4 24
9.6%
8.8%
Q3 24
6.9%
-54.1%
Q2 24
2.6%
-16.0%
EPS (diluted)
MKSI
MKSI
NFG
NFG
Q1 26
$1.59
Q4 25
$1.58
$1.98
Q3 25
$1.10
$1.18
Q2 25
$0.92
$1.64
Q1 25
$0.77
$2.37
Q4 24
$1.34
$0.49
Q3 24
$0.92
$-1.81
Q2 24
$0.33
$-0.59

Balance Sheet & Financial Strength

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

Metric
MKSI
MKSI
NFG
NFG
Cash + ST InvestmentsLiquidity on hand
$418.0M
Total DebtLower is stronger
$4.2B
$300.0M
Stockholders' EquityBook value
$2.7B
Total Assets
$8.8B
$9.1B
Debt / EquityLower = less leverage
1.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MKSI
MKSI
NFG
NFG
Q1 26
Q4 25
$418.0M
$271.4M
Q3 25
$413.0M
$43.2M
Q2 25
$498.0M
$39.3M
Q1 25
$407.0M
$40.0M
Q4 24
$420.0M
$48.7M
Q3 24
$439.0M
$38.2M
Q2 24
$506.0M
$81.4M
Total Debt
MKSI
MKSI
NFG
NFG
Q1 26
$300.0M
Q4 25
$4.2B
$2.7B
Q3 25
$4.3B
$2.7B
Q2 25
$4.4B
$2.7B
Q1 25
$4.4B
$2.7B
Q4 24
$4.5B
$2.7B
Q3 24
$4.8B
$2.7B
Q2 24
$4.8B
$2.7B
Stockholders' Equity
MKSI
MKSI
NFG
NFG
Q1 26
Q4 25
$2.7B
$3.6B
Q3 25
$2.6B
$3.1B
Q2 25
$2.6B
$3.0B
Q1 25
$2.4B
$2.8B
Q4 24
$2.3B
$-76.2M
Q3 24
$2.4B
$-15.5M
Q2 24
$2.2B
$5.0M
Total Assets
MKSI
MKSI
NFG
NFG
Q1 26
$9.1B
Q4 25
$8.8B
$9.2B
Q3 25
$8.8B
$8.7B
Q2 25
$8.8B
$8.4B
Q1 25
$8.6B
$8.5B
Q4 24
$8.6B
$8.3B
Q3 24
$9.0B
$8.3B
Q2 24
$8.9B
$8.5B
Debt / Equity
MKSI
MKSI
NFG
NFG
Q1 26
Q4 25
1.53×
0.75×
Q3 25
1.64×
0.87×
Q2 25
1.71×
0.90×
Q1 25
1.87×
0.99×
Q4 24
1.93×
Q3 24
1.98×
Q2 24
2.16×
532.10×

Cash Flow & Capital Efficiency

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

Metric
MKSI
MKSI
NFG
NFG
Operating Cash FlowLast quarter
$142.0M
$657.3M
Free Cash FlowOCF − Capex
$92.0M
FCF MarginFCF / Revenue
8.9%
Capex IntensityCapex / Revenue
4.8%
117.0%
Cash ConversionOCF / Net Profit
1.33×
4.32×
TTM Free Cash FlowTrailing 4 quarters
$497.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MKSI
MKSI
NFG
NFG
Q1 26
$657.3M
Q4 25
$142.0M
$274.9M
Q3 25
$197.0M
$237.8M
Q2 25
$165.0M
$388.4M
Q1 25
$141.0M
$253.8M
Q4 24
$176.0M
$220.1M
Q3 24
$163.0M
$197.9M
Q2 24
$122.0M
$281.8M
Free Cash Flow
MKSI
MKSI
NFG
NFG
Q1 26
Q4 25
$92.0M
$-2.7M
Q3 25
$146.0M
$-47.8M
Q2 25
$136.0M
$195.3M
Q1 25
$123.0M
$59.9M
Q4 24
$125.0M
$-20.3M
Q3 24
$141.0M
$-49.1M
Q2 24
$95.0M
$79.5M
FCF Margin
MKSI
MKSI
NFG
NFG
Q1 26
Q4 25
8.9%
-0.4%
Q3 25
14.8%
-10.8%
Q2 25
14.0%
37.0%
Q1 25
13.1%
8.2%
Q4 24
13.4%
-4.0%
Q3 24
15.7%
-15.8%
Q2 24
10.7%
23.5%
Capex Intensity
MKSI
MKSI
NFG
NFG
Q1 26
117.0%
Q4 25
4.8%
43.5%
Q3 25
5.2%
64.4%
Q2 25
3.0%
36.6%
Q1 25
1.9%
26.4%
Q4 24
5.5%
46.8%
Q3 24
2.5%
79.7%
Q2 24
3.0%
59.7%
Cash Conversion
MKSI
MKSI
NFG
NFG
Q1 26
4.32×
Q4 25
1.33×
1.51×
Q3 25
2.66×
2.21×
Q2 25
2.66×
2.59×
Q1 25
2.71×
1.17×
Q4 24
1.96×
4.89×
Q3 24
2.63×
Q2 24
5.30×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MKSI
MKSI

Electronics And Packaging$303.0M29%
Specialty Industrial$295.0M29%
Photonics Solutions Division$274.0M26%
Services$125.0M12%
Other$37.0M4%

NFG
NFG

Revenues from External Customers$425.8M100%
Intersegment Revenues$126.0K0%

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