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Side-by-side financial comparison of ALCON INC (ALC) and WESTLAKE CORP (WLK). Click either name above to swap in a different company.

ALCON INC is the larger business by last-quarter revenue ($2.6B vs $2.5B, roughly 1.0× WESTLAKE CORP). ALCON INC runs the higher net margin — 6.8% vs -21.5%, a 28.3% gap on every dollar of revenue. On growth, ALCON INC posted the faster year-over-year revenue change (4.0% vs -10.9%).

Alcon Inc. is a Swiss-American pharmaceutical and medical device company specializing in eye care products. Alcon is incorporated in the Canton of Fribourg, Switzerland, and its global headquarters are located in Geneva, but its main operational base is in Fort Worth, Texas, United States, where it employs about 4,500 people.

Westlake Corporation is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets. The company was founded by Ting Tsung Chao in 1986. it is the largest producer of low-density polyethylene (LDPE) in the US and ranks among the Forbes Global 2000. Westlake Chemical operates in two segments: Olefins and Vinyls, and is also an integrated producer of vinyls, with substantial downstream ...

ALC vs WLK — Head-to-Head

Bigger by revenue
ALC
ALC
1.0× larger
ALC
$2.6B
$2.5B
WLK
Growing faster (revenue YoY)
ALC
ALC
+14.9% gap
ALC
4.0%
-10.9%
WLK
Higher net margin
ALC
ALC
28.3% more per $
ALC
6.8%
-21.5%
WLK

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
ALC
ALC
WLK
WLK
Revenue
$2.6B
$2.5B
Net Profit
$176.0M
$-544.0M
Gross Margin
53.5%
3.4%
Operating Margin
9.5%
-26.5%
Net Margin
6.8%
-21.5%
Revenue YoY
4.0%
-10.9%
Net Profit YoY
-21.1%
-7871.4%
EPS (diluted)
$0.35
$-4.22

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
ALC
ALC
WLK
WLK
Q4 25
$2.5B
Q3 25
$2.8B
Q2 25
$2.6B
$3.0B
Q1 25
$2.8B
Q4 24
$2.8B
Q3 24
$3.1B
Q2 24
$2.5B
$3.2B
Q1 24
$3.0B
Net Profit
ALC
ALC
WLK
WLK
Q4 25
$-544.0M
Q3 25
$-782.0M
Q2 25
$176.0M
$-142.0M
Q1 25
$-40.0M
Q4 24
$7.0M
Q3 24
$108.0M
Q2 24
$223.0M
$313.0M
Q1 24
$174.0M
Gross Margin
ALC
ALC
WLK
WLK
Q4 25
3.4%
Q3 25
8.3%
Q2 25
53.5%
8.7%
Q1 25
8.2%
Q4 24
11.5%
Q3 24
16.0%
Q2 24
55.0%
20.7%
Q1 24
15.7%
Operating Margin
ALC
ALC
WLK
WLK
Q4 25
-26.5%
Q3 25
-27.0%
Q2 25
9.5%
-3.7%
Q1 25
-1.1%
Q4 24
2.3%
Q3 24
5.8%
Q2 24
12.7%
12.7%
Q1 24
7.5%
Net Margin
ALC
ALC
WLK
WLK
Q4 25
-21.5%
Q3 25
-27.6%
Q2 25
6.8%
-4.8%
Q1 25
-1.4%
Q4 24
0.2%
Q3 24
3.5%
Q2 24
8.9%
9.8%
Q1 24
5.8%
EPS (diluted)
ALC
ALC
WLK
WLK
Q4 25
$-4.22
Q3 25
$-6.06
Q2 25
$0.35
$-1.11
Q1 25
$-0.31
Q4 24
$0.07
Q3 24
$0.83
Q2 24
$0.45
$2.40
Q1 24
$1.34

Balance Sheet & Financial Strength

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

Metric
ALC
ALC
WLK
WLK
Cash + ST InvestmentsLiquidity on hand
$1.4B
$2.7B
Total DebtLower is stronger
$5.6B
Stockholders' EquityBook value
$22.1B
$8.8B
Total Assets
$31.4B
$20.0B
Debt / EquityLower = less leverage
0.64×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALC
ALC
WLK
WLK
Q4 25
$2.7B
Q3 25
$1.9B
Q2 25
$1.4B
$2.1B
Q1 25
$2.3B
Q4 24
$2.9B
Q3 24
$2.9B
Q2 24
$1.4B
$3.0B
Q1 24
$3.1B
Total Debt
ALC
ALC
WLK
WLK
Q4 25
$5.6B
Q3 25
$4.7B
Q2 25
$4.7B
Q1 25
$4.6B
Q4 24
$4.6B
Q3 24
$4.6B
Q2 24
$4.9B
Q1 24
$4.9B
Stockholders' Equity
ALC
ALC
WLK
WLK
Q4 25
$8.8B
Q3 25
$9.4B
Q2 25
$22.1B
$10.3B
Q1 25
$10.4B
Q4 24
$10.5B
Q3 24
$10.7B
Q2 24
$20.9B
$10.6B
Q1 24
$10.3B
Total Assets
ALC
ALC
WLK
WLK
Q4 25
$20.0B
Q3 25
$19.8B
Q2 25
$31.4B
$20.8B
Q1 25
$20.7B
Q4 24
$20.8B
Q3 24
$21.1B
Q2 24
$29.7B
$21.1B
Q1 24
$21.0B
Debt / Equity
ALC
ALC
WLK
WLK
Q4 25
0.64×
Q3 25
0.49×
Q2 25
0.45×
Q1 25
0.44×
Q4 24
0.43×
Q3 24
0.43×
Q2 24
0.46×
Q1 24
0.47×

Cash Flow & Capital Efficiency

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

Metric
ALC
ALC
WLK
WLK
Operating Cash FlowLast quarter
$225.0M
Free Cash FlowOCF − Capex
$-16.0M
FCF MarginFCF / Revenue
-0.6%
Capex IntensityCapex / Revenue
9.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-530.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALC
ALC
WLK
WLK
Q4 25
$225.0M
Q3 25
$182.0M
Q2 25
$135.0M
Q1 25
$-77.0M
Q4 24
$434.0M
Q3 24
$474.0M
Q2 24
$237.0M
Q1 24
$169.0M
Free Cash Flow
ALC
ALC
WLK
WLK
Q4 25
$-16.0M
Q3 25
$-57.0M
Q2 25
$-132.0M
Q1 25
$-325.0M
Q4 24
$149.0M
Q3 24
$254.0M
Q2 24
$6.0M
Q1 24
$-103.0M
FCF Margin
ALC
ALC
WLK
WLK
Q4 25
-0.6%
Q3 25
-2.0%
Q2 25
-4.5%
Q1 25
-11.4%
Q4 24
5.2%
Q3 24
8.1%
Q2 24
0.2%
Q1 24
-3.5%
Capex Intensity
ALC
ALC
WLK
WLK
Q4 25
9.5%
Q3 25
8.4%
Q2 25
9.0%
Q1 25
8.7%
Q4 24
10.0%
Q3 24
7.1%
Q2 24
7.2%
Q1 24
9.1%
Cash Conversion
ALC
ALC
WLK
WLK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
62.00×
Q3 24
4.39×
Q2 24
0.76×
Q1 24
0.97×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALC
ALC

Segment breakdown not available.

WLK
WLK

Performance Materials$930.0M37%
Housing Products$767.0M30%
Essential Materials$702.0M28%
Infrastructure Products$134.0M5%

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