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

MKS INC is the larger business by last-quarter revenue ($1.0B vs $65.1M, roughly 15.9× MESA LABORATORIES INC). MKS INC runs the higher net margin — 10.3% vs 5.6%, a 4.8% gap on every dollar of revenue. On growth, MKS INC posted the faster year-over-year revenue change (10.6% vs 3.6%). MKS INC produced more free cash flow last quarter ($92.0M vs $18.0M). Over the past eight quarters, MKS INC's revenue compounded faster (9.1% CAGR vs 5.1%).

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.

Mesa Laboratories Inc. develops, manufactures and sells professional quality control, calibration and monitoring instruments as well as related supporting services. Its core offerings cater to healthcare, pharmaceutical, food and beverage, industrial hygiene and environmental testing markets, helping global clients meet regulatory compliance and operational safety requirements.

MKSI vs MLAB — Head-to-Head

Bigger by revenue
MKSI
MKSI
15.9× larger
MKSI
$1.0B
$65.1M
MLAB
Growing faster (revenue YoY)
MKSI
MKSI
+7.0% gap
MKSI
10.6%
3.6%
MLAB
Higher net margin
MKSI
MKSI
4.8% more per $
MKSI
10.3%
5.6%
MLAB
More free cash flow
MKSI
MKSI
$74.0M more FCF
MKSI
$92.0M
$18.0M
MLAB
Faster 2-yr revenue CAGR
MKSI
MKSI
Annualised
MKSI
9.1%
5.1%
MLAB

Income Statement — Q4 2025 vs Q3 2026

Metric
MKSI
MKSI
MLAB
MLAB
Revenue
$1.0B
$65.1M
Net Profit
$107.0M
$3.6M
Gross Margin
46.3%
64.2%
Operating Margin
13.9%
12.2%
Net Margin
10.3%
5.6%
Revenue YoY
10.6%
3.6%
Net Profit YoY
18.9%
316.6%
EPS (diluted)
$1.58
$0.65

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
MLAB
MLAB
Q4 25
$1.0B
$65.1M
Q3 25
$988.0M
$60.7M
Q2 25
$973.0M
$59.5M
Q1 25
$936.0M
$62.1M
Q4 24
$935.0M
$62.8M
Q3 24
$896.0M
$57.8M
Q2 24
$887.0M
$58.2M
Q1 24
$868.0M
$58.9M
Net Profit
MKSI
MKSI
MLAB
MLAB
Q4 25
$107.0M
$3.6M
Q3 25
$74.0M
$2.5M
Q2 25
$62.0M
$4.7M
Q1 25
$52.0M
$-7.1M
Q4 24
$90.0M
$-1.7M
Q3 24
$62.0M
$3.4M
Q2 24
$23.0M
$3.4M
Q1 24
$15.0M
$-254.6M
Gross Margin
MKSI
MKSI
MLAB
MLAB
Q4 25
46.3%
64.2%
Q3 25
46.7%
61.5%
Q2 25
46.6%
62.0%
Q1 25
47.4%
61.8%
Q4 24
47.3%
63.3%
Q3 24
48.2%
61.3%
Q2 24
47.2%
64.0%
Q1 24
47.8%
62.1%
Operating Margin
MKSI
MKSI
MLAB
MLAB
Q4 25
13.9%
12.2%
Q3 25
14.0%
7.8%
Q2 25
13.9%
5.1%
Q1 25
11.9%
2.4%
Q4 24
14.7%
9.2%
Q3 24
14.3%
6.1%
Q2 24
14.3%
9.6%
Q1 24
12.2%
-460.6%
Net Margin
MKSI
MKSI
MLAB
MLAB
Q4 25
10.3%
5.6%
Q3 25
7.5%
4.1%
Q2 25
6.4%
8.0%
Q1 25
5.6%
-11.4%
Q4 24
9.6%
-2.7%
Q3 24
6.9%
5.9%
Q2 24
2.6%
5.8%
Q1 24
1.7%
-432.2%
EPS (diluted)
MKSI
MKSI
MLAB
MLAB
Q4 25
$1.58
$0.65
Q3 25
$1.10
$0.45
Q2 25
$0.92
$0.85
Q1 25
$0.77
$-1.30
Q4 24
$1.34
$-0.31
Q3 24
$0.92
$0.63
Q2 24
$0.33
$0.62
Q1 24
$0.22
$-47.26

Balance Sheet & Financial Strength

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

Metric
MKSI
MKSI
MLAB
MLAB
Cash + ST InvestmentsLiquidity on hand
$418.0M
$29.0M
Total DebtLower is stronger
$4.2B
$68.4M
Stockholders' EquityBook value
$2.7B
$186.7M
Total Assets
$8.8B
$434.8M
Debt / EquityLower = less leverage
1.53×
0.37×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MKSI
MKSI
MLAB
MLAB
Q4 25
$418.0M
$29.0M
Q3 25
$413.0M
$20.4M
Q2 25
$498.0M
$21.3M
Q1 25
$407.0M
$27.3M
Q4 24
$420.0M
$27.3M
Q3 24
$439.0M
$24.3M
Q2 24
$506.0M
$28.5M
Q1 24
$1.0M
$28.2M
Total Debt
MKSI
MKSI
MLAB
MLAB
Q4 25
$4.2B
$68.4M
Q3 25
$4.3B
$69.4M
Q2 25
$4.4B
$70.3M
Q1 25
$4.4B
$71.3M
Q4 24
$4.5B
$72.2M
Q3 24
$4.8B
$73.1M
Q2 24
$4.8B
$74.1M
Q1 24
$4.7B
Stockholders' Equity
MKSI
MKSI
MLAB
MLAB
Q4 25
$2.7B
$186.7M
Q3 25
$2.6B
$178.5M
Q2 25
$2.6B
$172.5M
Q1 25
$2.4B
$159.8M
Q4 24
$2.3B
$155.2M
Q3 24
$2.4B
$161.5M
Q2 24
$2.2B
$150.7M
Q1 24
$2.4B
$145.4M
Total Assets
MKSI
MKSI
MLAB
MLAB
Q4 25
$8.8B
$434.8M
Q3 25
$8.8B
$430.4M
Q2 25
$8.8B
$435.7M
Q1 25
$8.6B
$433.3M
Q4 24
$8.6B
$433.3M
Q3 24
$9.0B
$454.1M
Q2 24
$8.9B
$440.4M
Q1 24
$8.9B
$446.8M
Debt / Equity
MKSI
MKSI
MLAB
MLAB
Q4 25
1.53×
0.37×
Q3 25
1.64×
0.39×
Q2 25
1.71×
0.41×
Q1 25
1.87×
0.45×
Q4 24
1.93×
0.47×
Q3 24
1.98×
0.45×
Q2 24
2.16×
0.49×
Q1 24
1.94×

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
MLAB
MLAB
Operating Cash FlowLast quarter
$142.0M
$18.8M
Free Cash FlowOCF − Capex
$92.0M
$18.0M
FCF MarginFCF / Revenue
8.9%
27.7%
Capex IntensityCapex / Revenue
4.8%
1.1%
Cash ConversionOCF / Net Profit
1.33×
5.17×
TTM Free Cash FlowTrailing 4 quarters
$497.0M
$37.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MKSI
MKSI
MLAB
MLAB
Q4 25
$142.0M
$18.8M
Q3 25
$197.0M
$8.2M
Q2 25
$165.0M
$1.9M
Q1 25
$141.0M
$12.7M
Q4 24
$176.0M
$18.1M
Q3 24
$163.0M
$5.3M
Q2 24
$122.0M
$10.7M
Q1 24
$67.0M
$12.9M
Free Cash Flow
MKSI
MKSI
MLAB
MLAB
Q4 25
$92.0M
$18.0M
Q3 25
$146.0M
$7.1M
Q2 25
$136.0M
$884.0K
Q1 25
$123.0M
$11.9M
Q4 24
$125.0M
$17.3M
Q3 24
$141.0M
$3.5M
Q2 24
$95.0M
$9.9M
Q1 24
$49.0M
$12.3M
FCF Margin
MKSI
MKSI
MLAB
MLAB
Q4 25
8.9%
27.7%
Q3 25
14.8%
11.7%
Q2 25
14.0%
1.5%
Q1 25
13.1%
19.2%
Q4 24
13.4%
27.6%
Q3 24
15.7%
6.0%
Q2 24
10.7%
16.9%
Q1 24
5.6%
21.0%
Capex Intensity
MKSI
MKSI
MLAB
MLAB
Q4 25
4.8%
1.1%
Q3 25
5.2%
1.8%
Q2 25
3.0%
1.7%
Q1 25
1.9%
1.2%
Q4 24
5.5%
1.3%
Q3 24
2.5%
3.1%
Q2 24
3.0%
1.5%
Q1 24
2.1%
0.9%
Cash Conversion
MKSI
MKSI
MLAB
MLAB
Q4 25
1.33×
5.17×
Q3 25
2.66×
3.32×
Q2 25
2.66×
0.40×
Q1 25
2.71×
Q4 24
1.96×
Q3 24
2.63×
1.54×
Q2 24
5.30×
3.17×
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%

MLAB
MLAB

Sterilization And Disinfection Control$24.9M38%
Biopharmaceutical Development$14.4M22%
Other$14.1M22%
Clinical Genomics$11.8M18%

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