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

WESTLAKE CORP is the larger business by last-quarter revenue ($2.5B vs $669.7M, roughly 3.8× NEWMARKET CORP). NEWMARKET CORP runs the higher net margin — 17.6% vs -21.5%, a 39.1% gap on every dollar of revenue. On growth, NEWMARKET CORP posted the faster year-over-year revenue change (-4.5% vs -10.9%). Over the past eight quarters, NEWMARKET CORP's revenue compounded faster (-2.9% CAGR vs -7.7%).

NewMarket Corporation, is a publicly traded American company that primarily serves the petroleum additives industry. The company is based in Richmond, Virginia, and has operations in North America, Latin America, Europe, the Middle East and Asia Pacific. The company's predecessor, the Albemarle Paper Manufacturing Company, was founded in 1887.

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 ...

NEU vs WLK — Head-to-Head

Bigger by revenue
WLK
WLK
3.8× larger
WLK
$2.5B
$669.7M
NEU
Growing faster (revenue YoY)
NEU
NEU
+6.4% gap
NEU
-4.5%
-10.9%
WLK
Higher net margin
NEU
NEU
39.1% more per $
NEU
17.6%
-21.5%
WLK
Faster 2-yr revenue CAGR
NEU
NEU
Annualised
NEU
-2.9%
-7.7%
WLK

Income Statement — Q1 2026 vs Q4 2025

Metric
NEU
NEU
WLK
WLK
Revenue
$669.7M
$2.5B
Net Profit
$118.1M
$-544.0M
Gross Margin
33.0%
3.4%
Operating Margin
21.4%
-26.5%
Net Margin
17.6%
-21.5%
Revenue YoY
-4.5%
-10.9%
Net Profit YoY
-6.3%
-7871.4%
EPS (diluted)
$12.62
$-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
NEU
NEU
WLK
WLK
Q1 26
$669.7M
Q4 25
$635.4M
$2.5B
Q3 25
$690.3M
$2.8B
Q2 25
$698.5M
$3.0B
Q1 25
$700.9M
$2.8B
Q4 24
$654.6M
$2.8B
Q3 24
$724.9M
$3.1B
Q2 24
$710.2M
$3.2B
Net Profit
NEU
NEU
WLK
WLK
Q1 26
$118.1M
Q4 25
$81.3M
$-544.0M
Q3 25
$100.3M
$-782.0M
Q2 25
$111.2M
$-142.0M
Q1 25
$125.9M
$-40.0M
Q4 24
$110.7M
$7.0M
Q3 24
$132.3M
$108.0M
Q2 24
$111.6M
$313.0M
Gross Margin
NEU
NEU
WLK
WLK
Q1 26
33.0%
Q4 25
30.0%
3.4%
Q3 25
30.4%
8.3%
Q2 25
31.6%
8.7%
Q1 25
33.7%
8.2%
Q4 24
31.7%
11.5%
Q3 24
33.6%
16.0%
Q2 24
30.8%
20.7%
Operating Margin
NEU
NEU
WLK
WLK
Q1 26
21.4%
Q4 25
17.3%
-26.5%
Q3 25
18.9%
-27.0%
Q2 25
20.5%
-3.7%
Q1 25
22.8%
-1.1%
Q4 24
20.3%
2.3%
Q3 24
23.4%
5.8%
Q2 24
20.7%
12.7%
Net Margin
NEU
NEU
WLK
WLK
Q1 26
17.6%
Q4 25
12.8%
-21.5%
Q3 25
14.5%
-27.6%
Q2 25
15.9%
-4.8%
Q1 25
18.0%
-1.4%
Q4 24
16.9%
0.2%
Q3 24
18.3%
3.5%
Q2 24
15.7%
9.8%
EPS (diluted)
NEU
NEU
WLK
WLK
Q1 26
$12.62
Q4 25
$8.67
$-4.22
Q3 25
$10.67
$-6.06
Q2 25
$11.84
$-1.11
Q1 25
$13.26
$-0.31
Q4 24
$11.57
$0.07
Q3 24
$13.79
$0.83
Q2 24
$11.63
$2.40

Balance Sheet & Financial Strength

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

Metric
NEU
NEU
WLK
WLK
Cash + ST InvestmentsLiquidity on hand
$73.2M
$2.7B
Total DebtLower is stronger
$939.6M
$5.6B
Stockholders' EquityBook value
$1.7B
$8.8B
Total Assets
$3.5B
$20.0B
Debt / EquityLower = less leverage
0.54×
0.64×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NEU
NEU
WLK
WLK
Q1 26
$73.2M
Q4 25
$77.6M
$2.7B
Q3 25
$102.5M
$1.9B
Q2 25
$70.3M
$2.1B
Q1 25
$118.3M
$2.3B
Q4 24
$77.5M
$2.9B
Q3 24
$80.3M
$2.9B
Q2 24
$87.6M
$3.0B
Total Debt
NEU
NEU
WLK
WLK
Q1 26
$939.6M
Q4 25
$883.4M
$5.6B
Q3 25
$783.1M
$4.7B
Q2 25
$841.8M
$4.7B
Q1 25
$990.6M
$4.6B
Q4 24
$971.3M
$4.6B
Q3 24
$1.1B
$4.6B
Q2 24
$1.2B
$4.9B
Stockholders' Equity
NEU
NEU
WLK
WLK
Q1 26
$1.7B
Q4 25
$1.8B
$8.8B
Q3 25
$1.7B
$9.4B
Q2 25
$1.6B
$10.3B
Q1 25
$1.5B
$10.4B
Q4 24
$1.5B
$10.5B
Q3 24
$1.4B
$10.7B
Q2 24
$1.2B
$10.6B
Total Assets
NEU
NEU
WLK
WLK
Q1 26
$3.5B
Q4 25
$3.5B
$20.0B
Q3 25
$3.2B
$19.8B
Q2 25
$3.2B
$20.8B
Q1 25
$3.2B
$20.7B
Q4 24
$3.1B
$20.8B
Q3 24
$3.2B
$21.1B
Q2 24
$3.2B
$21.1B
Debt / Equity
NEU
NEU
WLK
WLK
Q1 26
0.54×
Q4 25
0.50×
0.64×
Q3 25
0.46×
0.49×
Q2 25
0.52×
0.45×
Q1 25
0.65×
0.44×
Q4 24
0.66×
0.43×
Q3 24
0.80×
0.43×
Q2 24
0.95×
0.46×

Cash Flow & Capital Efficiency

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

Metric
NEU
NEU
WLK
WLK
Operating Cash FlowLast quarter
$225.0M
Free Cash FlowOCF − Capex
$-16.0M
FCF MarginFCF / Revenue
-0.6%
Capex IntensityCapex / Revenue
3.6%
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
NEU
NEU
WLK
WLK
Q1 26
Q4 25
$145.2M
$225.0M
Q3 25
$142.4M
$182.0M
Q2 25
$161.1M
$135.0M
Q1 25
$120.3M
$-77.0M
Q4 24
$185.2M
$434.0M
Q3 24
$116.6M
$474.0M
Q2 24
$115.0M
$237.0M
Free Cash Flow
NEU
NEU
WLK
WLK
Q1 26
Q4 25
$117.2M
$-16.0M
Q3 25
$122.1M
$-57.0M
Q2 25
$144.8M
$-132.0M
Q1 25
$107.3M
$-325.0M
Q4 24
$170.6M
$149.0M
Q3 24
$102.4M
$254.0M
Q2 24
$100.0M
$6.0M
FCF Margin
NEU
NEU
WLK
WLK
Q1 26
Q4 25
18.4%
-0.6%
Q3 25
17.7%
-2.0%
Q2 25
20.7%
-4.5%
Q1 25
15.3%
-11.4%
Q4 24
26.1%
5.2%
Q3 24
14.1%
8.1%
Q2 24
14.1%
0.2%
Capex Intensity
NEU
NEU
WLK
WLK
Q1 26
3.6%
Q4 25
4.4%
9.5%
Q3 25
2.9%
8.4%
Q2 25
2.3%
9.0%
Q1 25
1.9%
8.7%
Q4 24
2.2%
10.0%
Q3 24
2.0%
7.1%
Q2 24
2.1%
7.2%
Cash Conversion
NEU
NEU
WLK
WLK
Q1 26
Q4 25
1.79×
Q3 25
1.42×
Q2 25
1.45×
Q1 25
0.96×
Q4 24
1.67×
62.00×
Q3 24
0.88×
4.39×
Q2 24
1.03×
0.76×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NEU
NEU

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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