Kosmos Energy Ltd.
KOSNYSEEnergy● Active
$2.91
+$0.10(+3.56%)
Market Cap$1.4B
P/E Ratio—
52W High$3.34
52W Low$0.84
Kosmos Energy Ltd. (KOS) Stock Price History
Key milestones, OHLCV table, annual returns, peers & What If.
kos · EOD price history · split-adj. · FMP · as of Jun 8, 2026
5-Year High5Y
$8.55
Feb 27, 2023
-66.0% from here
5-Year Low5Y
$0.8361
Dec 26, 2025
+248.0% from low
IPO Priceadj.
$18.24
May 11, 2011
-84.0% since IPO
1 Year Ago
$1.97
Jun 9, 2025
+47.7% in 1Y
5 Years Ago
$3.31
Jun 8, 2021
-12.1% in 5Y
10 Years Ago
$5.78
Jun 8, 2016
-49.7% in 10Y
Historical Price Data · KOS
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | $2.90 | $2.93 | $2.86 | $2.91 | $2.91 | 6.8M | +0.34% |
| Jun 5, 2026 | $3.01 | $3.03 | $2.79 | $2.81 | $2.81 | 9.9M | -6.64% |
| Jun 4, 2026 | $2.92 | $3.04 | $2.91 | $3.02 | $3.02 | 6.6M | +3.42% |
| Jun 3, 2026 | $3.00 | $3.09 | $2.95 | $2.99 | $2.99 | 8.4M | -0.33% |
| Jun 2, 2026 | $2.90 | $3.02 | $2.87 | $2.97 | $2.97 | 9.5M | +2.41% |
| Jun 1, 2026 | $2.90 | $3.07 | $2.85 | $2.91 | $2.91 | 14.1M | +0.34% |
| May 29, 2026 | $2.72 | $2.81 | $2.69 | $2.80 | $2.80 | 12.2M | +2.94% |
| May 28, 2026 | $2.73 | $2.77 | $2.70 | $2.74 | $2.74 | 8.0M | +0.37% |
| May 27, 2026 | $2.77 | $2.77 | $2.64 | $2.67 | $2.67 | 13.9M | -3.61% |
| May 26, 2026 | $2.94 | $3.00 | $2.83 | $2.85 | $2.85 | 10.3M | -3.06% |
| May 22, 2026 | $3.07 | $3.12 | $2.98 | $3.03 | $3.03 | 8.6M | -1.30% |
| May 21, 2026 | $3.10 | $3.18 | $2.95 | $3.12 | $3.12 | 21.3M | +0.65% |
| May 20, 2026 | $3.12 | $3.29 | $2.99 | $3.01 | $3.01 | 12.8M | -3.53% |
| May 19, 2026 | $3.22 | $3.27 | $3.12 | $3.18 | $3.18 | 11.7M | -1.24% |
| May 18, 2026 | $3.19 | $3.34 | $3.17 | $3.21 | $3.21 | 13.9M | +0.63% |
| May 15, 2026 | $2.98 | $3.26 | $2.97 | $3.23 | $3.23 | 15.8M | +8.39% |
| May 14, 2026 | $2.95 | $3.00 | $2.91 | $2.93 | $2.93 | 6.4M | -0.68% |
| May 13, 2026 | $3.07 | $3.09 | $2.96 | $2.99 | $2.99 | 9.4M | -2.61% |
| May 12, 2026 | $2.96 | $3.10 | $2.95 | $3.10 | $3.10 | 13.9M | +4.73% |
| May 11, 2026 | $2.85 | $2.93 | $2.77 | $2.88 | $2.88 | 16.0M | +1.05% |
Showing 1–20 of 1,255 records
Annual Stock Price Performance · KOS
Jan 1 → Dec 31 · 6 years2026+218.6%$0.91 → $2.91
+218.6%
2025-74.3%$3.53 → $0.91
-74.3%
2024-49.4%$6.76 → $3.42
-49.4%
2023+6.8%$6.28 → $6.71
+6.8%
2022+84.3%$3.45 → $6.36
+84.3%
2021+2.7%$3.37 → $3.46
+2.7%
Best Year2026 · +218.6%
Worst Year2025 · -74.3%
Positive Years4 / 6
Avg Annual Return+31.5%
6Y Total Return-13.6%
6Y CAGR~-2.4% / yr
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If you invested $1,000 in KOS 10 years ago — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$503
Total Return-49.7%
CAGR~-6.6% / yr
Profit$-497
Based on Jun 8, 2016 · $5.78Split & dividend adjustedNo fees assumed
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About Price History & OHLCV Data
Kosmos Energy Ltd. (KOS) is classified under Energy and trades on NYSE. The quote snapshot on this page shows a last price of $2.91. Use the chart and OHLCV table below for open, high, low, close and volume over time.
Annual performance bars, similar companies in the same sector, and the What If calculator help you explore long-horizon returns without leaving this tab. Figures use split-adjusted end-of-day prices where noted; this content is informational, not investment advice.
Data: FMP EOD · split-adjusted where noted · not investment advice
Frequently Asked Questions
KOS price history · 5 questionsEnd-of-day prices are sourced from market data providers (Financial Modeling Prep). Corporate actions such as splits may be reflected in adjusted series; always verify critical values with your broker or official filings.
KOS historical stock pricesFMP EOD datasplit-adjusted OHLCV