Kosmos Energy (KOS) vs Tamboran Resources (TBN)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Kosmos Energy (KOS) has outperformed Tamboran Resources (TBN) over the past year, gaining 41.5% versus a gain of 14.1%. Kosmos Energy is the larger company by market cap ($1.60 billion vs $1.22 billion), about 1.3 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | KOS | TBN |
|---|---|---|
| Share price | $2.68 | $34.79 |
| Market cap | $1.60B | $1.22B |
| 1-day change | +3.47% | +1.05% |
| YTD return | +184.62% | +26.44% |
| 1-year return | +41.53% | +14.12% |
| 5-year return | -32.02% | — |
| Forward P/E | 8.32 | — |
| EPS (TTM) | $-1.12 | $-1.16 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $3.34 | $52.21 |
| 52-week low | $0.84 | $22.34 |
| Distance from 52-week high | -19.76% | -33.37% |
| Analyst consensus | hold | strong_buy |
| Avg. price target upside | +11.57% | +62.89% |
| Average volume | 13.88M | 131.87K |
| Shares outstanding | 595.49M | 28.28M |
| Employees | 216 | 45 |
| Sector | Energy | Energy |
| Industry | Oil & Gas Production | Oil & Gas Production |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- KOS has outperformed TBN by 27.4 percentage points over the past year.
About Kosmos Energy
KOS stock →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.
Energy · Oil & Gas Production · 216 employees
About Tamboran Resources
TBN stock →Tamboran Resources Corporation, a natural gas company, engages in developing unconventional gas resources in the Northern Territory of Australia. Its assets include a 25% non-operated working interest in EP 161; a 61.25% working interest in EPs 76, 98, and 117; and a 100% working interest in EPs 136 and 143, located in the Betaloo Basin.
Energy · Oil & Gas Production · 45 employees
KOS vs TBN FAQ
Which is bigger, Kosmos Energy or Tamboran Resources?
Kosmos Energy (KOS) is larger, with a market capitalization of $1.60B compared with $1.22B for Tamboran Resources (TBN).
Which stock has performed better over the past year, KOS or TBN?
KOS returned +41.53% over the past 12 months, compared with +14.12% for TBN (price return, excluding dividends). Past performance does not predict future results.
Are Kosmos Energy and Tamboran Resources in the same industry?
Yes. Both are classified in the Oil & Gas Production industry within the Energy sector.