Kosmos Energy Ltd (NYSE:KOS) — Market Cap & Net Worth

$1.63 Billion USD  · Rank #6916

Market Cap & Net Worth: Kosmos Energy Ltd (KOS)

Kosmos Energy Ltd (NYSE:KOS) has a market capitalization of $1.63 Billion ($1.63 Billion) as of September 16, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #6916 globally and #2150 in its home market, demonstrating a 11.15% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Kosmos Energy Ltd's stock price $3.09 by its total outstanding shares 593189274 (593.19 Million). Also see balance sheet size of Kosmos Energy Ltd for a full breakdown of the balance sheet.

Kosmos Energy Ltd Market Cap History: 2015 to 2026

Kosmos Energy Ltd's market capitalization history from 2015 to 2026. Data shows change from $2.94 Billion to $1.83 Billion (-6.97% CAGR). Also see Kosmos Energy Ltd cash conversion from operations for how efficiently the company converts equity into cash flow.

Index Memberships

Kosmos Energy Ltd is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P OIL GAS EXPLOR PROD
SPSIOP
$1.92 Trillion 0.83% #40 of 53

Weight: Kosmos Energy Ltd's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Kosmos Energy Ltd Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Kosmos Energy Ltd's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Check KOS live share price for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

0.41x

Kosmos Energy Ltd's market cap is 0.41 times its annual revenue

Industry average: 37.64x Lower than industry average

Latest Price to Earnings (P/E) Ratio

N/A

P/E ratio not applicable due to negative or zero earnings

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2016 $3.97 Billion $310.38 Million -$283.78 Million 12.79x N/A
2017 $3.88 Billion $578.14 Million -$222.79 Million 6.71x N/A
2018 $2.30 Billion $886.67 Million -$93.99 Million 2.60x N/A
2019 $3.32 Billion $1.50 Billion -$55.78 Million 2.22x N/A
2020 $1.39 Billion $804.03 Million -$411.59 Million 1.73x N/A
2021 $2.05 Billion $1.33 Billion -$77.84 Million 1.54x N/A
2022 $3.77 Billion $2.25 Billion $226.55 Million 1.68x 16.65x
2023 $3.98 Billion $1.70 Billion $213.52 Million 2.34x 18.64x
2024 $2.03 Billion $1.68 Billion $189.85 Million 1.21x 10.69x
2025 $538.26 Million $1.30 Billion -$699.79 Million 0.41x N/A

Competitor Companies of KOS by Market Capitalization

Companies near Kosmos Energy Ltd in the global market cap rankings as of September 16, 2026. Review how tangible is Kosmos Energy Ltd's equity to assess the quality of the company's equity after excluding intangible assets.

Key companies related to Kosmos Energy Ltd by market ranking:

  • ConocoPhillips (NYSE:COP): Ranked #148 globally with a market cap of $164.02 Billion USD.
  • Canadian Natural Resources Ltd (TO:CNQ): Ranked #231 globally with a market cap of $108.04 Billion USD ( CA$149.36 Billion CAD).
  • EOG Resources Inc (NYSE:EOG): Ranked #399 globally with a market cap of $70.68 Billion USD.
  • Occidental Petroleum Corporation (NYSE:OXY): Ranked #486 globally with a market cap of $55.89 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#148 ConocoPhillips NYSE:COP $164.02 Billion $141.22
#231 Canadian Natural Resources Ltd TO:CNQ $108.04 Billion CA$71.70
#399 EOG Resources Inc NYSE:EOG $70.68 Billion $153.74
#486 Occidental Petroleum Corporation NYSE:OXY $55.89 Billion $63.52

Kosmos Energy Ltd Historical Marketcap From 2015 to 2026

Between 2015 and today, Kosmos Energy Ltd's market cap moved from $2.94 Billion to $ 1.83 Billion, with a yearly change of -6.97%.

Year Market Cap Change (%)
2026 $1.83 Billion +240.53%
2025 $538.26 Million -73.47%
2024 $2.03 Billion -49.03%
2023 $3.98 Billion +5.50%
2022 $3.77 Billion +83.82%
2021 $2.05 Billion +47.23%
2020 $1.39 Billion -58.06%
2019 $3.32 Billion +44.22%
2018 $2.30 Billion -40.58%
2017 $3.88 Billion -2.28%
2016 $3.97 Billion +34.81%
2015 $2.94 Billion --

End of Day Market Cap According to Different Sources

On Sep 16th, 2026 the market cap of Kosmos Energy Ltd was reported to be:

Source Market Cap
Yahoo Finance $1.63 Billion USD
MoneyControl $1.63 Billion USD
MarketWatch $1.63 Billion USD
marketcap.company $1.63 Billion USD
Reuters $1.63 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Kosmos Energy Ltd

NYSE:KOS USA Oil & Gas E&P
Market Cap
$1.83 Billion
Market Cap Rank
#6916 Global
#2150 in USA
Share Price
$3.09
Change (1 day)
+5.82%
52-Week Range
$0.87 - $3.27
All Time High
$9.27
About

Kosmos Energy Ltd., a deepwater exploration and production company, engages in the exploration, development, and production of oil and natural gas properties. It has oil and gas production projects in offshore Ghana, Equatorial Guinea, Mauritania, Senegal, and the Gulf of America. The company was founded in 2003 and is headquartered in Dallas, Texas.