Ticker League

Current

$70.9B

As of Jul 29, 2026

5-Year Average

$48.7B

All-Time High

$92.9B

Apr 28, 2015

All-Time Low

$21.8B

Jun 26, 2012

Market cap daily chart for Kinder Morgan (KMI)

Aug 2, 2021 – Jul 29, 2026 · 1,253 trading days

Market Cap growth chart for Kinder Morgan (KMI) from 2017 to 2026

Latest: +15.9%

Market Cap history table for Kinder Morgan (KMI) from 2011 to 2026

  • 2026$70.9B+15.9%
  • 2025$61.2B+0.6%
  • 2024$60.8B+54.4%
  • 2023$39.4B-3.5%
  • 2022$40.8B+13.6%
  • 2021$35.9B+16.2%
  • 2020$30.9B-35.5%
  • 2019$47.9B+40.6%
  • 2018$34.1B-15.4%
  • 2017$40.3B-12.7%
  • 2016$46.2B+41.1%
  • 2015$32.7B-32.0%
  • 2014$48.1B+29.0%
  • 2013$37.3B-22.0%
  • 2012$47.8B+110.0%
  • 2011$22.8B

Market Cap values are taken from Kinder Morgan's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Market Cap at Kinder Morgan (KMI)

According to Kinder Morgan's latest reported financial statements, the company's latest reported market cap is $71.1B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

In 2026, Kinder Morgan (KMI) market cap totalled $70.9B – grew 15.9% year-over-year.

Looking at the 2021–2026 (5 years) stretch, Kinder Morgan market cap compounded at +14.5% per year, sustaining 3 straight years of year-over-year growth.

$70.9B stands as the all-time-high annual market cap, posted in 2026, against a low of $22.8B during 2011.

Kinder Morgan Market Cap by Year

Kinder Morgan Market Cap 2026: $70.9B

Kinder Morgan posted market cap of $70.9B in 2026, grew 15.9% from 2025. This figure represents the highest annual value in the available history.

Kinder Morgan Market Cap 2025: $61.2B

In 2025, Kinder Morgan reported market cap of $61.2B, edged up 0.6% from 2024.

Kinder Morgan Market Cap 2024: $60.8B

Kinder Morgan market cap in 2024 was $60.8B, surged 54.4% from 2023.

Kinder Morgan Market Cap 2023: $39.4B

2023's market cap for Kinder Morgan came in at $39.4B, edged down 3.5% below 2022.

Kinder Morgan Market Cap 2022: $40.8B

Kinder Morgan market cap in 2022 was $40.8B.

See more financial history for Kinder Morgan (KMI).

Sector peers by Market Cap

Energy peers of Kinder Morgan (KMI), ranked by their latest market cap

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