AltaGas Ltd (TO:ALA) — Market Cap & Net Worth

$11.86 Billion USD  · CA$16.39 Billion CAD  · Rank #1967

Market Cap & Net Worth: AltaGas Ltd (ALA)

AltaGas Ltd (TO:ALA) has a market capitalization of $11.86 Billion (CA$16.39 Billion) as of September 7, 2026. Listed on the TO stock exchange, this Canada-based company holds position #1967 globally and #70 in its home market, demonstrating a -0.10% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying AltaGas Ltd's stock price CA$52.54 by its total outstanding shares 312005563 (312.01 Million). Also see ALA current and non-current assets for a full breakdown of the balance sheet.

AltaGas Ltd Market Cap History: 2015 to 2026

AltaGas Ltd's market capitalization history from 2015 to 2026. Data shows growth from $4.27 Billion to $11.86 Billion (8.91% CAGR). Also see ALA operating cash flow for how efficiently the company converts equity into cash flow.

Index Memberships

AltaGas Ltd is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P TSX Composite Index (Canada)
GSPTSE
$3.95 Trillion 0.30% #66 of 225

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

AltaGas Ltd Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how AltaGas 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 AltaGas Ltd (ALA) stock price for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

0.75x

AltaGas Ltd's market cap is 0.75 times its annual revenue

Industry average: 10.28x Lower than industry average

Latest Price to Earnings (P/E) Ratio

12.30x

AltaGas Ltd's market cap is 12.30 times its annual earnings

Industry average: 28.31x 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
2016 $4.99 Billion $2.20 Billion $203.50 Million 2.27x 24.54x
2017 $4.53 Billion $2.62 Billion $91.60 Million 1.73x 49.41x
2018 $2.41 Billion $4.19 Billion -$435.10 Million 0.57x N/A
2019 $3.61 Billion $5.51 Billion $833.50 Million 0.66x 4.33x
2020 $3.62 Billion $5.64 Billion $552.00 Million 0.64x 6.56x
2021 $5.51 Billion $10.63 Billion $283.00 Million 0.52x 19.46x
2022 $4.90 Billion $14.39 Billion $523.00 Million 0.34x 9.38x
2023 $6.10 Billion $12.89 Billion $673.00 Million 0.47x 9.07x
2024 $7.56 Billion $12.45 Billion $596.00 Million 0.61x 12.68x
2025 $9.45 Billion $12.55 Billion $768.00 Million 0.75x 12.30x

Competitor Companies of ALA by Market Capitalization

Companies near AltaGas Ltd in the global market cap rankings as of September 7, 2026. Review AltaGas Ltd tangible book value ratio to assess the quality of the company's equity after excluding intangible assets.

Key companies related to AltaGas Ltd by market ranking:

  • Enbridge Inc (TO:ENB): Ranked #230 globally with a market cap of $109.52 Billion USD ( CA$151.40 Billion CAD).
  • Williams Companies Inc (NYSE:WMB): Ranked #294 globally with a market cap of $90.69 Billion USD.
  • Enterprise Products Partners LP (NYSE:EPD): Ranked #327 globally with a market cap of $82.04 Billion USD.
  • Kinder Morgan Inc (NYSE:KMI): Ranked #420 globally with a market cap of $68.70 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#230 Enbridge Inc TO:ENB $109.52 Billion CA$69.32
#294 Williams Companies Inc NYSE:WMB $90.69 Billion $74.15
#327 Enterprise Products Partners LP NYSE:EPD $82.04 Billion $38.94
#420 Kinder Morgan Inc NYSE:KMI $68.70 Billion $31.40

AltaGas Ltd Historical Marketcap From 2015 to 2026

Between 2015 and today, AltaGas Ltd's market cap moved from $4.27 Billion to $ 11.86 Billion, with a yearly change of 8.91%.

Year Market Cap Change (%)
2026 CA$11.86 Billion +25.54%
2025 CA$9.45 Billion +25.00%
2024 CA$7.56 Billion +23.84%
2023 CA$6.10 Billion +24.42%
2022 CA$4.90 Billion -10.93%
2021 CA$5.51 Billion +51.99%
2020 CA$3.62 Billion +0.41%
2019 CA$3.61 Billion +49.96%
2018 CA$2.41 Billion -46.84%
2017 CA$4.53 Billion -9.37%
2016 CA$4.99 Billion +16.81%
2015 CA$4.27 Billion --

End of Day Market Cap According to Different Sources

On Sep 7th, 2026 the market cap of AltaGas Ltd was reported to be:

Source Market Cap
Yahoo Finance $11.86 Billion USD
MoneyControl $11.86 Billion USD
MarketWatch $11.86 Billion USD
marketcap.company $11.86 Billion USD
Reuters $11.86 Billion USD

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

About AltaGas Ltd

TO:ALA Canada Oil & Gas Midstream
Market Cap
$11.86 Billion
CA$16.39 Billion CAD
Market Cap Rank
#1967 Global
#70 in Canada
Share Price
CA$52.54
Change (1 day)
+0.61%
52-Week Range
CA$40.27 - CA$57.18
All Time High
CA$57.18
About

AltaGas Ltd. operates as an energy infrastructure company in North America. It operates through the Utilities and Midstream segments. The Utilities segment owns and operates franchised, cost-of-service, and rate-regulated natural gas distribution and storage utilities for residential and commercial customers. This segment also offers storage facilities and contracts for interstate natural gas tra… Read more