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

Pool Corporation is the larger business by last-quarter revenue ($1.1B vs $1.0B, roughly 1.1× MKS INC). MKS INC runs the higher net margin — 10.3% vs 4.7%, a 5.7% gap on every dollar of revenue. On growth, MKS INC posted the faster year-over-year revenue change (10.6% vs 6.2%). Over the past eight quarters, MKS INC's revenue compounded faster (9.1% CAGR vs -19.8%).

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.

Pool Corporation, doing business as POOLCORP, is the largest distributor of supplies, equipment, and machinery for swimming pools worldwide. The company is organized in Delaware and headquartered in Covington, Louisiana. It serves approximately 125,000 customers and operates 439 sales centers in North America, Europe and Australia. The company receives over half of its revenue from the California, Texas, Florida, and Arizona markets and has benefited from population shifts to warmer climates....

MKSI vs POOL — Head-to-Head

Bigger by revenue
POOL
POOL
1.1× larger
POOL
$1.1B
$1.0B
MKSI
Growing faster (revenue YoY)
MKSI
MKSI
+4.4% gap
MKSI
10.6%
6.2%
POOL
Higher net margin
MKSI
MKSI
5.7% more per $
MKSI
10.3%
4.7%
POOL
Faster 2-yr revenue CAGR
MKSI
MKSI
Annualised
MKSI
9.1%
-19.8%
POOL

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MKSI
MKSI
POOL
POOL
Revenue
$1.0B
$1.1B
Net Profit
$107.0M
$53.2M
Gross Margin
46.3%
29.0%
Operating Margin
13.9%
7.3%
Net Margin
10.3%
4.7%
Revenue YoY
10.6%
6.2%
Net Profit YoY
18.9%
-0.6%
EPS (diluted)
$1.58
$1.45

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
POOL
POOL
Q1 26
$1.1B
Q4 25
$1.0B
$982.2M
Q3 25
$988.0M
$1.5B
Q2 25
$973.0M
$1.8B
Q1 25
$936.0M
$1.1B
Q4 24
$935.0M
$987.5M
Q3 24
$896.0M
$1.4B
Q2 24
$887.0M
$1.8B
Net Profit
MKSI
MKSI
POOL
POOL
Q1 26
$53.2M
Q4 25
$107.0M
$31.6M
Q3 25
$74.0M
$127.0M
Q2 25
$62.0M
$194.3M
Q1 25
$52.0M
$53.5M
Q4 24
$90.0M
$37.3M
Q3 24
$62.0M
$125.7M
Q2 24
$23.0M
$192.4M
Gross Margin
MKSI
MKSI
POOL
POOL
Q1 26
29.0%
Q4 25
46.3%
30.1%
Q3 25
46.7%
29.6%
Q2 25
46.6%
30.0%
Q1 25
47.4%
29.2%
Q4 24
47.3%
29.4%
Q3 24
48.2%
29.1%
Q2 24
47.2%
30.0%
Operating Margin
MKSI
MKSI
POOL
POOL
Q1 26
7.3%
Q4 25
13.9%
5.3%
Q3 25
14.0%
12.3%
Q2 25
13.9%
15.3%
Q1 25
11.9%
7.2%
Q4 24
14.7%
6.1%
Q3 24
14.3%
12.3%
Q2 24
14.3%
15.3%
Net Margin
MKSI
MKSI
POOL
POOL
Q1 26
4.7%
Q4 25
10.3%
3.2%
Q3 25
7.5%
8.8%
Q2 25
6.4%
10.9%
Q1 25
5.6%
5.0%
Q4 24
9.6%
3.8%
Q3 24
6.9%
8.8%
Q2 24
2.6%
10.9%
EPS (diluted)
MKSI
MKSI
POOL
POOL
Q1 26
$1.45
Q4 25
$1.58
$0.86
Q3 25
$1.10
$3.40
Q2 25
$0.92
$5.17
Q1 25
$0.77
$1.42
Q4 24
$1.34
$1.00
Q3 24
$0.92
$3.27
Q2 24
$0.33
$4.99

Balance Sheet & Financial Strength

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

Metric
MKSI
MKSI
POOL
POOL
Cash + ST InvestmentsLiquidity on hand
$418.0M
$64.5M
Total DebtLower is stronger
$4.2B
Stockholders' EquityBook value
$2.7B
Total Assets
$8.8B
$4.0B
Debt / EquityLower = less leverage
1.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MKSI
MKSI
POOL
POOL
Q1 26
$64.5M
Q4 25
$418.0M
Q3 25
$413.0M
Q2 25
$498.0M
Q1 25
$407.0M
Q4 24
$420.0M
Q3 24
$439.0M
Q2 24
$506.0M
Total Debt
MKSI
MKSI
POOL
POOL
Q1 26
Q4 25
$4.2B
Q3 25
$4.3B
$1.0B
Q2 25
$4.4B
$1.2B
Q1 25
$4.4B
$968.0M
Q4 24
$4.5B
Q3 24
$4.8B
$879.1M
Q2 24
$4.8B
$1.1B
Stockholders' Equity
MKSI
MKSI
POOL
POOL
Q1 26
Q4 25
$2.7B
$1.2B
Q3 25
$2.6B
$1.4B
Q2 25
$2.6B
$1.3B
Q1 25
$2.4B
$1.2B
Q4 24
$2.3B
$1.3B
Q3 24
$2.4B
$1.4B
Q2 24
$2.2B
$1.4B
Total Assets
MKSI
MKSI
POOL
POOL
Q1 26
$4.0B
Q4 25
$8.8B
$3.6B
Q3 25
$8.8B
$3.5B
Q2 25
$8.8B
$3.7B
Q1 25
$8.6B
$3.7B
Q4 24
$8.6B
$3.4B
Q3 24
$9.0B
$3.4B
Q2 24
$8.9B
$3.6B
Debt / Equity
MKSI
MKSI
POOL
POOL
Q1 26
Q4 25
1.53×
Q3 25
1.64×
0.76×
Q2 25
1.71×
0.93×
Q1 25
1.87×
0.78×
Q4 24
1.93×
Q3 24
1.98×
0.61×
Q2 24
2.16×
0.75×

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
POOL
POOL
Operating Cash FlowLast quarter
$142.0M
$25.7M
Free Cash FlowOCF − Capex
$92.0M
FCF MarginFCF / Revenue
8.9%
Capex IntensityCapex / Revenue
4.8%
Cash ConversionOCF / Net Profit
1.33×
0.48×
TTM Free Cash FlowTrailing 4 quarters
$497.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MKSI
MKSI
POOL
POOL
Q1 26
$25.7M
Q4 25
$142.0M
$80.1M
Q3 25
$197.0M
$287.3M
Q2 25
$165.0M
$-28.8M
Q1 25
$141.0M
$27.2M
Q4 24
$176.0M
$170.6M
Q3 24
$163.0M
$316.5M
Q2 24
$122.0M
$26.7M
Free Cash Flow
MKSI
MKSI
POOL
POOL
Q1 26
Q4 25
$92.0M
$71.9M
Q3 25
$146.0M
$266.6M
Q2 25
$136.0M
$-42.9M
Q1 25
$123.0M
$13.9M
Q4 24
$125.0M
$157.0M
Q3 24
$141.0M
$305.5M
Q2 24
$95.0M
$8.8M
FCF Margin
MKSI
MKSI
POOL
POOL
Q1 26
Q4 25
8.9%
7.3%
Q3 25
14.8%
18.4%
Q2 25
14.0%
-2.4%
Q1 25
13.1%
1.3%
Q4 24
13.4%
15.9%
Q3 24
15.7%
21.3%
Q2 24
10.7%
0.5%
Capex Intensity
MKSI
MKSI
POOL
POOL
Q1 26
Q4 25
4.8%
0.8%
Q3 25
5.2%
1.4%
Q2 25
3.0%
0.8%
Q1 25
1.9%
1.2%
Q4 24
5.5%
1.4%
Q3 24
2.5%
0.8%
Q2 24
3.0%
1.0%
Cash Conversion
MKSI
MKSI
POOL
POOL
Q1 26
0.48×
Q4 25
1.33×
2.54×
Q3 25
2.66×
2.26×
Q2 25
2.66×
-0.15×
Q1 25
2.71×
0.51×
Q4 24
1.96×
4.57×
Q3 24
2.63×
2.52×
Q2 24
5.30×
0.14×

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%

POOL
POOL

Segment breakdown not available.

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