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Side-by-side financial comparison of Kosmos Energy Ltd. (KOS) and Mirum Pharmaceuticals, Inc. (MIRM). Click either name above to swap in a different company.

Kosmos Energy Ltd. is the larger business by last-quarter revenue ($294.6M vs $148.9M, roughly 2.0× Mirum Pharmaceuticals, Inc.). On growth, Mirum Pharmaceuticals, Inc. posted the faster year-over-year revenue change (49.8% vs -25.9%). Over the past eight quarters, Mirum Pharmaceuticals, Inc.'s revenue compounded faster (46.7% 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 ...

Mirum Pharmaceuticals, Inc. is a late-stage biopharmaceutical company focused on developing and commercializing innovative therapies for patients with rare, debilitating liver diseases that have high unmet medical needs, serving both pediatric and adult patient groups across North America, Europe and other global regions.

KOS vs MIRM — Head-to-Head

Bigger by revenue
KOS
KOS
2.0× larger
KOS
$294.6M
$148.9M
MIRM
Growing faster (revenue YoY)
MIRM
MIRM
+75.7% gap
MIRM
49.8%
-25.9%
KOS
Faster 2-yr revenue CAGR
MIRM
MIRM
Annualised
MIRM
46.7%
-16.5%
KOS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KOS
KOS
MIRM
MIRM
Revenue
$294.6M
$148.9M
Net Profit
$-5.7M
Gross Margin
Operating Margin
-125.7%
-3.1%
Net Margin
-3.8%
Revenue YoY
-25.9%
49.8%
Net Profit YoY
75.9%
EPS (diluted)
$-0.80
$-0.10

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
MIRM
MIRM
Q4 25
$294.6M
$148.9M
Q3 25
$311.0M
$133.0M
Q2 25
$392.6M
$127.8M
Q1 25
$290.1M
$111.6M
Q4 24
$397.6M
$99.4M
Q3 24
$407.8M
$90.4M
Q2 24
$447.8M
$77.9M
Q1 24
$422.3M
$69.2M
Net Profit
KOS
KOS
MIRM
MIRM
Q4 25
$-5.7M
Q3 25
$-124.3M
$2.9M
Q2 25
$-87.7M
$-5.9M
Q1 25
$-110.6M
$-14.7M
Q4 24
$-23.8M
Q3 24
$45.0M
$-14.2M
Q2 24
$59.8M
$-24.6M
Q1 24
$91.7M
$-25.3M
Operating Margin
KOS
KOS
MIRM
MIRM
Q4 25
-125.7%
-3.1%
Q3 25
-34.2%
2.0%
Q2 25
-16.2%
-3.9%
Q1 25
-32.4%
-13.6%
Q4 24
-8.5%
-24.4%
Q3 24
26.1%
-14.0%
Q2 24
30.2%
-31.1%
Q1 24
33.6%
-38.2%
Net Margin
KOS
KOS
MIRM
MIRM
Q4 25
-3.8%
Q3 25
-40.0%
2.2%
Q2 25
-22.3%
-4.6%
Q1 25
-38.1%
-13.2%
Q4 24
-23.9%
Q3 24
11.0%
-15.8%
Q2 24
13.3%
-31.6%
Q1 24
21.7%
-36.5%
EPS (diluted)
KOS
KOS
MIRM
MIRM
Q4 25
$-0.80
$-0.10
Q3 25
$-0.26
$0.05
Q2 25
$-0.18
$-0.12
Q1 25
$-0.23
$-0.30
Q4 24
$0.00
$-0.49
Q3 24
$0.09
$-0.30
Q2 24
$0.12
$-0.52
Q1 24
$0.19
$-0.54

Balance Sheet & Financial Strength

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

Metric
KOS
KOS
MIRM
MIRM
Cash + ST InvestmentsLiquidity on hand
$91.5M
$383.3M
Total DebtLower is stronger
$3.1B
Stockholders' EquityBook value
$528.6M
$314.7M
Total Assets
$4.7B
$842.8M
Debt / EquityLower = less leverage
5.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOS
KOS
MIRM
MIRM
Q4 25
$91.5M
$383.3M
Q3 25
$64.0M
$375.5M
Q2 25
$51.7M
$304.6M
Q1 25
$49.8M
$277.7M
Q4 24
$85.0M
$280.3M
Q3 24
$51.6M
$284.4M
Q2 24
$173.8M
$278.4M
Q1 24
$254.3M
$302.8M
Total Debt
KOS
KOS
MIRM
MIRM
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
MIRM
MIRM
Q4 25
$528.6M
$314.7M
Q3 25
$898.8M
$292.0M
Q2 25
$1.0B
$255.2M
Q1 25
$1.1B
$233.3M
Q4 24
$1.2B
$225.6M
Q3 24
$1.2B
$232.0M
Q2 24
$1.1B
$229.0M
Q1 24
$1.1B
$234.6M
Total Assets
KOS
KOS
MIRM
MIRM
Q4 25
$4.7B
$842.8M
Q3 25
$5.1B
$785.1M
Q2 25
$5.2B
$725.8M
Q1 25
$5.3B
$690.2M
Q4 24
$5.3B
$670.8M
Q3 24
$5.5B
$667.9M
Q2 24
$5.4B
$660.8M
Q1 24
$5.4B
$652.0M
Debt / Equity
KOS
KOS
MIRM
MIRM
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
MIRM
MIRM
Operating Cash FlowLast quarter
$35.3M
$6.1M
Free Cash FlowOCF − Capex
$5.5M
FCF MarginFCF / Revenue
3.7%
Capex IntensityCapex / Revenue
0.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$54.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOS
KOS
MIRM
MIRM
Q4 25
$35.3M
$6.1M
Q3 25
$-27.6M
$39.7M
Q2 25
$127.2M
$12.0M
Q1 25
$-888.0K
$-2.0M
Q4 24
$175.7M
$-5.1M
Q3 24
$6.3M
$4.0M
Q2 24
$223.7M
$-3.8M
Q1 24
$272.6M
$15.2M
Free Cash Flow
KOS
KOS
MIRM
MIRM
Q4 25
$5.5M
Q3 25
$39.5M
Q2 25
$11.9M
Q1 25
$-2.0M
Q4 24
$-5.1M
Q3 24
$3.8M
Q2 24
$-4.6M
Q1 24
$15.2M
FCF Margin
KOS
KOS
MIRM
MIRM
Q4 25
3.7%
Q3 25
29.7%
Q2 25
9.3%
Q1 25
-1.8%
Q4 24
-5.1%
Q3 24
4.2%
Q2 24
-5.9%
Q1 24
22.0%
Capex Intensity
KOS
KOS
MIRM
MIRM
Q4 25
0.4%
Q3 25
0.1%
Q2 25
0.1%
Q1 25
0.0%
Q4 24
0.0%
Q3 24
0.2%
Q2 24
1.0%
Q1 24
0.0%
Cash Conversion
KOS
KOS
MIRM
MIRM
Q4 25
Q3 25
13.66×
Q2 25
Q1 25
Q4 24
Q3 24
0.14×
Q2 24
3.74×
Q1 24
2.97×

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%

MIRM
MIRM

Livmarli$106.4M71%
Bile Acid Medicines$42.5M29%

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