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Side-by-side financial comparison of Kosmos Energy Ltd. (KOS) and Westlake Chemical Partners LP (WLKP). Click either name above to swap in a different company.

Westlake Chemical Partners LP is the larger business by last-quarter revenue ($323.0M vs $294.6M, roughly 1.1× Kosmos Energy Ltd.). On growth, Westlake Chemical Partners LP posted the faster year-over-year revenue change (11.4% vs -25.9%). Over the past eight quarters, Westlake Chemical Partners LP's revenue compounded faster (6.5% CAGR vs -16.5%).

Kosmos Energy is an American upstream oil company founded and based in Dallas, Texas. While previously incorporated in Bermuda, Kosmos has reincorporated in Delaware. The company holds production and development operations offshore Ghana, Equatorial Guinea, and Gulf of Mexico, while holding a development project offshore Mauritania and Senegal, and exploration licenses offshore Namibia, São Tomé and Príncipe and Suriname. It was previously involved in exploration offshore Morocco and Western ...

Westlake Chemical Partners LP is a petrochemical limited partnership that manufactures and markets basic products including ethylene, polyethylene, and styrene monomers. It operates mainly in North America, serving packaging, construction, consumer goods, and industrial manufacturing sectors.

KOS vs WLKP — Head-to-Head

Bigger by revenue
WLKP
WLKP
1.1× larger
WLKP
$323.0M
$294.6M
KOS
Growing faster (revenue YoY)
WLKP
WLKP
+37.3% gap
WLKP
11.4%
-25.9%
KOS
Faster 2-yr revenue CAGR
WLKP
WLKP
Annualised
WLKP
6.5%
-16.5%
KOS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KOS
KOS
WLKP
WLKP
Revenue
$294.6M
$323.0M
Net Profit
$14.5M
Gross Margin
30.0%
Operating Margin
-125.7%
27.8%
Net Margin
4.5%
Revenue YoY
-25.9%
11.4%
Net Profit YoY
-3.0%
EPS (diluted)
$-0.80

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
KOS
KOS
WLKP
WLKP
Q4 25
$294.6M
$323.0M
Q3 25
$311.0M
$308.9M
Q2 25
$392.6M
$297.1M
Q1 25
$290.1M
$237.6M
Q4 24
$397.6M
$290.1M
Q3 24
$407.8M
$277.0M
Q2 24
$447.8M
$284.2M
Q1 24
$422.3M
$284.7M
Net Profit
KOS
KOS
WLKP
WLKP
Q4 25
$14.5M
Q3 25
$-124.3M
$14.7M
Q2 25
$-87.7M
$14.6M
Q1 25
$-110.6M
$4.9M
Q4 24
$15.0M
Q3 24
$45.0M
$18.1M
Q2 24
$59.8M
$14.4M
Q1 24
$91.7M
$14.8M
Gross Margin
KOS
KOS
WLKP
WLKP
Q4 25
30.0%
Q3 25
32.2%
Q2 25
32.8%
Q1 25
22.8%
Q4 24
34.0%
Q3 24
42.2%
Q2 24
35.6%
Q1 24
35.9%
Operating Margin
KOS
KOS
WLKP
WLKP
Q4 25
-125.7%
27.8%
Q3 25
-34.2%
29.8%
Q2 25
-16.2%
30.7%
Q1 25
-32.4%
19.6%
Q4 24
-8.5%
31.7%
Q3 24
26.1%
39.6%
Q2 24
30.2%
32.9%
Q1 24
33.6%
33.4%
Net Margin
KOS
KOS
WLKP
WLKP
Q4 25
4.5%
Q3 25
-40.0%
4.7%
Q2 25
-22.3%
4.9%
Q1 25
-38.1%
2.1%
Q4 24
5.2%
Q3 24
11.0%
6.5%
Q2 24
13.3%
5.1%
Q1 24
21.7%
5.2%
EPS (diluted)
KOS
KOS
WLKP
WLKP
Q4 25
$-0.80
Q3 25
$-0.26
Q2 25
$-0.18
Q1 25
$-0.23
Q4 24
$0.00
Q3 24
$0.09
Q2 24
$0.12
Q1 24
$0.19

Balance Sheet & Financial Strength

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

Metric
KOS
KOS
WLKP
WLKP
Cash + ST InvestmentsLiquidity on hand
$91.5M
$44.3M
Total DebtLower is stronger
$3.1B
Stockholders' EquityBook value
$528.6M
Total Assets
$4.7B
$1.3B
Debt / EquityLower = less leverage
5.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOS
KOS
WLKP
WLKP
Q4 25
$91.5M
$44.3M
Q3 25
$64.0M
$37.9M
Q2 25
$51.7M
$36.6M
Q1 25
$49.8M
$49.6M
Q4 24
$85.0M
$58.3M
Q3 24
$51.6M
$60.2M
Q2 24
$173.8M
$66.0M
Q1 24
$254.3M
$55.8M
Total Debt
KOS
KOS
WLKP
WLKP
Q4 25
$3.1B
Q3 25
$3.0B
Q2 25
$2.9B
Q1 25
Q4 24
$2.7B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
KOS
KOS
WLKP
WLKP
Q4 25
$528.6M
Q3 25
$898.8M
Q2 25
$1.0B
Q1 25
$1.1B
Q4 24
$1.2B
Q3 24
$1.2B
Q2 24
$1.1B
Q1 24
$1.1B
Total Assets
KOS
KOS
WLKP
WLKP
Q4 25
$4.7B
$1.3B
Q3 25
$5.1B
$1.3B
Q2 25
$5.2B
$1.3B
Q1 25
$5.3B
$1.4B
Q4 24
$5.3B
$1.3B
Q3 24
$5.5B
$1.3B
Q2 24
$5.4B
$1.3B
Q1 24
$5.4B
$1.3B
Debt / Equity
KOS
KOS
WLKP
WLKP
Q4 25
5.78×
Q3 25
3.31×
Q2 25
2.80×
Q1 25
Q4 24
2.29×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
KOS
KOS
WLKP
WLKP
Operating Cash FlowLast quarter
$35.3M
$120.4M
Free Cash FlowOCF − Capex
$111.5M
FCF MarginFCF / Revenue
34.5%
Capex IntensityCapex / Revenue
2.7%
Cash ConversionOCF / Net Profit
8.28×
TTM Free Cash FlowTrailing 4 quarters
$201.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOS
KOS
WLKP
WLKP
Q4 25
$35.3M
$120.4M
Q3 25
$-27.6M
$105.2M
Q2 25
$127.2M
$9.1M
Q1 25
$-888.0K
$45.8M
Q4 24
$175.7M
$132.5M
Q3 24
$6.3M
$126.1M
Q2 24
$223.7M
$121.9M
Q1 24
$272.6M
$104.6M
Free Cash Flow
KOS
KOS
WLKP
WLKP
Q4 25
$111.5M
Q3 25
$75.6M
Q2 25
$-15.3M
Q1 25
$29.8M
Q4 24
$119.0M
Q3 24
$110.5M
Q2 24
$111.7M
Q1 24
$94.8M
FCF Margin
KOS
KOS
WLKP
WLKP
Q4 25
34.5%
Q3 25
24.5%
Q2 25
-5.2%
Q1 25
12.6%
Q4 24
41.0%
Q3 24
39.9%
Q2 24
39.3%
Q1 24
33.3%
Capex Intensity
KOS
KOS
WLKP
WLKP
Q4 25
2.7%
Q3 25
9.6%
Q2 25
8.2%
Q1 25
6.7%
Q4 24
4.6%
Q3 24
5.6%
Q2 24
3.6%
Q1 24
3.4%
Cash Conversion
KOS
KOS
WLKP
WLKP
Q4 25
8.28×
Q3 25
7.18×
Q2 25
0.62×
Q1 25
9.25×
Q4 24
8.83×
Q3 24
0.14×
6.95×
Q2 24
3.74×
8.45×
Q1 24
2.97×
7.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KOS
KOS

Ghana Segment$134.6M46%
Gulf Of America$80.7M27%
Mauritania And Senegal$54.9M19%
Equatorial Guinea Segment$24.3M8%

WLKP
WLKP

Affiliated Entity$296.9M92%
Nonrelated Party$26.2M8%

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