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Side-by-side financial comparison of MKS INC (MKSI) and Steris (STE). Click either name above to swap in a different company.

Steris is the larger business by last-quarter revenue ($1.5B vs $1.0B, roughly 1.4× MKS INC). Steris runs the higher net margin — 12.9% vs 10.3%, a 2.5% gap on every dollar of revenue. On growth, MKS INC posted the faster year-over-year revenue change (10.6% vs 9.2%). Steris produced more free cash flow last quarter ($199.5M vs $92.0M). Over the past eight quarters, Steris's revenue compounded faster (15.8% 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.

Steris plc is an American-Irish-based medical equipment company specializing in sterilization and surgical products for the US healthcare system. Steris is operationally headquartered in Mentor, Ohio, and has been legally registered in Dublin, Ireland, for tax purposes since 2018. Previously the company was registered in the United Kingdom from 2014 to 2018.

MKSI vs STE — Head-to-Head

Bigger by revenue
STE
STE
1.4× larger
STE
$1.5B
$1.0B
MKSI
Growing faster (revenue YoY)
MKSI
MKSI
+1.4% gap
MKSI
10.6%
9.2%
STE
Higher net margin
STE
STE
2.5% more per $
STE
12.9%
10.3%
MKSI
More free cash flow
STE
STE
$107.5M more FCF
STE
$199.5M
$92.0M
MKSI
Faster 2-yr revenue CAGR
STE
STE
Annualised
STE
15.8%
9.1%
MKSI

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
MKSI
MKSI
STE
STE
Revenue
$1.0B
$1.5B
Net Profit
$107.0M
$192.9M
Gross Margin
46.3%
43.8%
Operating Margin
13.9%
18.3%
Net Margin
10.3%
12.9%
Revenue YoY
10.6%
9.2%
Net Profit YoY
18.9%
11.2%
EPS (diluted)
$1.58
$1.96

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
STE
STE
Q4 25
$1.0B
$1.5B
Q3 25
$988.0M
$1.5B
Q2 25
$973.0M
$1.4B
Q1 25
$936.0M
$1.5B
Q4 24
$935.0M
$1.4B
Q3 24
$896.0M
$1.3B
Q2 24
$887.0M
$1.3B
Q1 24
$868.0M
$1.1B
Net Profit
MKSI
MKSI
STE
STE
Q4 25
$107.0M
$192.9M
Q3 25
$74.0M
$191.9M
Q2 25
$62.0M
$177.4M
Q1 25
$52.0M
$145.7M
Q4 24
$90.0M
$173.5M
Q3 24
$62.0M
$150.0M
Q2 24
$23.0M
$145.4M
Q1 24
$15.0M
$-1.4M
Gross Margin
MKSI
MKSI
STE
STE
Q4 25
46.3%
43.8%
Q3 25
46.7%
44.2%
Q2 25
46.6%
45.1%
Q1 25
47.4%
43.3%
Q4 24
47.3%
44.5%
Q3 24
48.2%
43.6%
Q2 24
47.2%
44.7%
Q1 24
47.8%
40.2%
Operating Margin
MKSI
MKSI
STE
STE
Q4 25
13.9%
18.3%
Q3 25
14.0%
18.2%
Q2 25
13.9%
17.7%
Q1 25
11.9%
14.6%
Q4 24
14.7%
17.9%
Q3 24
14.3%
16.5%
Q2 24
14.3%
14.5%
Q1 24
12.2%
22.0%
Net Margin
MKSI
MKSI
STE
STE
Q4 25
10.3%
12.9%
Q3 25
7.5%
13.1%
Q2 25
6.4%
12.8%
Q1 25
5.6%
9.8%
Q4 24
9.6%
12.7%
Q3 24
6.9%
11.3%
Q2 24
2.6%
11.4%
Q1 24
1.7%
-0.1%
EPS (diluted)
MKSI
MKSI
STE
STE
Q4 25
$1.58
$1.96
Q3 25
$1.10
$1.94
Q2 25
$0.92
$1.79
Q1 25
$0.77
$1.48
Q4 24
$1.34
$1.75
Q3 24
$0.92
$1.51
Q2 24
$0.33
$1.46
Q1 24
$0.22
$-0.02

Balance Sheet & Financial Strength

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

Metric
MKSI
MKSI
STE
STE
Cash + ST InvestmentsLiquidity on hand
$418.0M
$423.7M
Total DebtLower is stronger
$4.2B
$1.9B
Stockholders' EquityBook value
$2.7B
$7.2B
Total Assets
$8.8B
$10.6B
Debt / EquityLower = less leverage
1.53×
0.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MKSI
MKSI
STE
STE
Q4 25
$418.0M
$423.7M
Q3 25
$413.0M
$319.2M
Q2 25
$498.0M
$279.7M
Q1 25
$407.0M
$171.7M
Q4 24
$420.0M
$155.2M
Q3 24
$439.0M
$172.2M
Q2 24
$506.0M
$198.3M
Q1 24
$1.0M
$207.0M
Total Debt
MKSI
MKSI
STE
STE
Q4 25
$4.2B
$1.9B
Q3 25
$4.3B
$1.9B
Q2 25
$4.4B
$1.9B
Q1 25
$4.4B
$1.9B
Q4 24
$4.5B
$2.0B
Q3 24
$4.8B
$2.2B
Q2 24
$4.8B
$2.2B
Q1 24
$4.7B
$3.1B
Stockholders' Equity
MKSI
MKSI
STE
STE
Q4 25
$2.7B
$7.2B
Q3 25
$2.6B
$7.0B
Q2 25
$2.6B
$7.0B
Q1 25
$2.4B
$6.6B
Q4 24
$2.3B
$6.4B
Q3 24
$2.4B
$6.6B
Q2 24
$2.2B
$6.4B
Q1 24
$2.4B
$6.3B
Total Assets
MKSI
MKSI
STE
STE
Q4 25
$8.8B
$10.6B
Q3 25
$8.8B
$10.4B
Q2 25
$8.8B
$10.4B
Q1 25
$8.6B
$10.1B
Q4 24
$8.6B
$10.0B
Q3 24
$9.0B
$10.2B
Q2 24
$8.9B
$10.1B
Q1 24
$8.9B
$11.1B
Debt / Equity
MKSI
MKSI
STE
STE
Q4 25
1.53×
0.27×
Q3 25
1.64×
0.27×
Q2 25
1.71×
0.27×
Q1 25
1.87×
0.29×
Q4 24
1.93×
0.32×
Q3 24
1.98×
0.33×
Q2 24
2.16×
0.35×
Q1 24
1.94×
0.50×

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
STE
STE
Operating Cash FlowLast quarter
$142.0M
$298.2M
Free Cash FlowOCF − Capex
$92.0M
$199.5M
FCF MarginFCF / Revenue
8.9%
13.3%
Capex IntensityCapex / Revenue
4.8%
6.6%
Cash ConversionOCF / Net Profit
1.33×
1.55×
TTM Free Cash FlowTrailing 4 quarters
$497.0M
$917.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MKSI
MKSI
STE
STE
Q4 25
$142.0M
$298.2M
Q3 25
$197.0M
$287.8M
Q2 25
$165.0M
$420.0M
Q1 25
$141.0M
$260.8M
Q4 24
$176.0M
$332.8M
Q3 24
$163.0M
$250.7M
Q2 24
$122.0M
$303.7M
Q1 24
$67.0M
$254.8M
Free Cash Flow
MKSI
MKSI
STE
STE
Q4 25
$92.0M
$199.5M
Q3 25
$146.0M
$201.3M
Q2 25
$136.0M
$326.4M
Q1 25
$123.0M
$189.9M
Q4 24
$125.0M
$243.6M
Q3 24
$141.0M
$148.8M
Q2 24
$95.0M
$195.7M
Q1 24
$49.0M
$163.3M
FCF Margin
MKSI
MKSI
STE
STE
Q4 25
8.9%
13.3%
Q3 25
14.8%
13.8%
Q2 25
14.0%
23.5%
Q1 25
13.1%
12.8%
Q4 24
13.4%
17.8%
Q3 24
15.7%
11.2%
Q2 24
10.7%
15.3%
Q1 24
5.6%
14.6%
Capex Intensity
MKSI
MKSI
STE
STE
Q4 25
4.8%
6.6%
Q3 25
5.2%
5.9%
Q2 25
3.0%
6.7%
Q1 25
1.9%
4.8%
Q4 24
5.5%
6.5%
Q3 24
2.5%
7.7%
Q2 24
3.0%
8.4%
Q1 24
2.1%
8.2%
Cash Conversion
MKSI
MKSI
STE
STE
Q4 25
1.33×
1.55×
Q3 25
2.66×
1.50×
Q2 25
2.66×
2.37×
Q1 25
2.71×
1.79×
Q4 24
1.96×
1.92×
Q3 24
2.63×
1.67×
Q2 24
5.30×
2.09×
Q1 24
4.47×

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%

STE
STE

Servicerevenues$404.7M27%
Consumablerevenues$387.1M26%
Applied Sterilization Technologies$286.6M19%
Capitalequipmentrevenues$272.1M18%
Life Science$145.8M10%

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