Santos Ltd (AU:STO) — Market Cap & Net Worth

$17.58 Billion USD  · AU$24.85 Billion AUD  · Rank #1281

Market Cap & Net Worth: Santos Ltd (STO)

Santos Ltd (AU:STO) has a market capitalization of $17.58 Billion (AU$24.85 Billion) as of April 19, 2026. Listed on the AU stock exchange, this Australia-based company holds position #1281 globally and #22 in its home market, demonstrating a -3.77% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Santos Ltd's stock price AU$7.65 by its total outstanding shares 3247772961 (3.25 Billion).

Santos Ltd Market Cap History: 2015 to 2026

Santos Ltd's market capitalization history from 2015 to 2026. Data shows growth from $6.73 Billion to $17.58 Billion (6.94% CAGR).

Index Memberships

Santos Ltd is a constituent of 9 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P/ASX 50
AFLI
$1.15 Trillion 1.53% #18 of 50
Australia All Ordinaries
AORD
$1.55 Trillion 1.13% #19 of 495
S&P/ASX 20
ATLI
$799.22 Billion 2.20% #15 of 20
S&P/ASX 100
ATOI
$1.39 Trillion 1.26% #19 of 100
S&P/ASX All Australian 50
AXAF
$1.05 Trillion 1.67% #17 of 50
S&P/ASX All Australian 200
AXAT
$1.43 Trillion 1.23% #18 of 200
S&P/ASX 200
AXJO
$1.40 Trillion 1.26% #18 of 200
S&P/ASX 200 Accumulated
AXJOA
$1.40 Trillion 1.26% #18 of 200
S&P/ASX 300
AXKO
$1.63 Trillion 1.08% #20 of 300

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

Santos Ltd Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Santos 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.

Latest Price to Sales (P/S) Ratio

2.84x

Santos Ltd's market cap is 2.84 times its annual revenue

Industry average: 34.36x Lower than industry average

Latest Price to Earnings (P/E) Ratio

12.54x

Santos Ltd's market cap is 12.54 times its annual earnings

Industry average: 367.87x Lower than industry average

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
2015 $6.73 Billion $2.36 Billion -$1.96 Billion 2.85x N/A
2016 $7.46 Billion $2.59 Billion -$1.05 Billion 2.88x N/A
2017 $10.11 Billion $3.11 Billion -$360.00 Million 3.25x N/A
2018 $10.24 Billion $3.66 Billion $630.00 Million 2.80x 16.25x
2019 $15.67 Billion $4.03 Billion $674.00 Million 3.89x 23.25x
2020 $12.19 Billion $3.39 Billion -$357.00 Million 3.60x N/A
2021 $12.55 Billion $4.71 Billion $658.00 Million 2.66x 19.07x
2022 $14.65 Billion $7.79 Billion $2.11 Billion 1.88x 6.94x
2023 $16.40 Billion $5.89 Billion $1.42 Billion 2.78x 11.58x
2024 $15.35 Billion $5.40 Billion $1.22 Billion 2.84x 12.54x

Competitor Companies of STO by Market Capitalization

Companies near Santos Ltd in the global market cap rankings as of April 19, 2026.

Key companies related to Santos Ltd by market ranking:

  • ConocoPhillips (NYSE:COP): Ranked #142 globally with a market cap of $141.44 Billion USD.
  • Canadian Natural Resources Ltd (NYSE:CNQ): Ranked #253 globally with a market cap of $89.70 Billion USD.
  • EOG Resources Inc (NYSE:EOG): Ranked #355 globally with a market cap of $65.92 Billion USD.
  • Diamondback Energy Inc (NASDAQ:FANG): Ranked #469 globally with a market cap of $50.71 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#142 ConocoPhillips NYSE:COP $141.44 Billion $116.04
#253 Canadian Natural Resources Ltd NYSE:CNQ $89.70 Billion $43.00
#355 EOG Resources Inc NYSE:EOG $65.92 Billion $128.43
#469 Diamondback Energy Inc NASDAQ:FANG $50.71 Billion $180.27

Santos Ltd Historical Marketcap From 2015 to 2026

Between 2015 and today, Santos Ltd's market cap moved from $6.73 Billion to $ 17.58 Billion, with a yearly change of 6.94%.

Year Market Cap Change (%)
2026 AU$17.58 Billion +23.99%
2025 AU$14.18 Billion -7.63%
2024 AU$15.35 Billion -6.38%
2023 AU$16.40 Billion +11.89%
2022 AU$14.65 Billion +16.79%
2021 AU$12.55 Billion +2.91%
2020 AU$12.19 Billion -22.19%
2019 AU$15.67 Billion +53.04%
2018 AU$10.24 Billion +1.26%
2017 AU$10.11 Billion +35.57%
2016 AU$7.46 Billion +10.90%
2015 AU$6.73 Billion --

End of Day Market Cap According to Different Sources

On Apr 18th, 2026 the market cap of Santos Ltd was reported to be:

Source Market Cap
Yahoo Finance $17.58 Billion USD
MoneyControl $17.58 Billion USD
MarketWatch $17.58 Billion USD
marketcap.company $17.58 Billion USD
Reuters $17.58 Billion USD

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

About Santos Ltd

AU:STO Australia Oil & Gas E&P
Market Cap
$17.58 Billion
AU$24.85 Billion AUD
Market Cap Rank
#1281 Global
#22 in Australia
Share Price
AU$7.65
Change (1 day)
+0.00%
52-Week Range
AU$5.61 - AU$8.09
All Time High
AU$8.09
About

Santos Limited explores, develops, produces, transports, and markets hydrocarbons in Australia and Papua New Guinea. The company's assets are located in the Alaska, Cooper Basin, Queensland and NSW, Papua New Guinea, Western Australia, Northern Australia and Timor-Leste. It also engages in the development of decarbonization technologies. In addition, the company produces crude oil, liquefied petr… Read more