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Market Cap for Exxon Mobil (XOM)

According to Exxon Mobil's latest reported financial statements, the company's latest reported market cap is $510.00B USD. 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 .

Latest period

$510.00B

YoY change

+28.5%

5Y CAGR

+20.5%

Peak year (2026)

$665.85B

Latest annual

$665.85B

Market Cap history chart for Exxon Mobil (XOM) from 1985 to 2026

Market Cap history table for Exxon Mobil (XOM) from 1985 to 2026

Fiscal yearPeriod endedReportedMarket CapYoY
2026$665.85B+28.5%
2025$518.06B+12.1%
2024$462.34B+14.1%
2023$405.12B-12.7%
2022$463.81B+77.3%
2021$261.59B+48.6%
2020$176.05B-40.9%
2019$297.96B+3.1%
2018$288.92B-18.8%
2017$355.97B-5.4%
2016$376.40B+15.1%
2015$326.99B-17.3%
2014$395.59B-11.6%
2013$447.37B+11.7%
2012$400.55B-3.1%
2011$413.20B+15.4%
2010$358.07B+8.4%
2009$330.33B-20.5%
2008$415.41B-20.5%
2007$522.63B+14.3%
2006$457.23B+28.6%
2005$355.42B+6.5%
2004$333.78B+22.2%
2003$273.04B+14.6%
2002$238.34B-12.5%
2001$272.43B-10.9%
2000$305.67B+8.4%
1999$281.92B+56.4%
1998$180.25B+17.4%
1997$153.59B+24.4%
1996$123.48B+22.9%
1995$100.44B+31.2%
1994$76.55B-2.6%
1993$78.60B+3.2%
1992$76.14B+0.8%
1991$75.55B+17.0%
1990$64.57B+0.8%
1989$64.05B+9.6%
1988$58.44B+9.0%
1987$53.63B+6.1%
1986$50.55B+22.0%
1985$41.43B

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

Analysis

In 2026, Exxon Mobil (XOM) market cap totalled $665.85B – grew 28.5% year-over-year.

Across 2021–2026 (5 years), Exxon Mobil market cap produced a CAGR of +20.5% – sustaining 3 straight years of year-over-year growth.

Across the available history, market cap reached its high of $665.85B in 2026 and its low of $41.43B in 1985.

Within Energy, Exxon Mobil (XOM) ranks 1st among 8 peers we track. The peer median for market cap is $86.43B.

Exxon Mobil Market Cap by Year

Exxon Mobil Market Cap 2026: $665.85B

Exxon Mobil market cap in 2026 was $665.85B, grew 28.5% from 2025. This figure represents the highest annual value in the available history.

Exxon Mobil Market Cap 2025: $518.06B

Exxon Mobil market cap in 2025 was $518.06B, grew 12.1% from 2024.

Exxon Mobil Market Cap 2024: $462.34B

Exxon Mobil market cap in 2024 was $462.34B, grew 14.1% from 2023.

Exxon Mobil Market Cap 2023: $405.12B

Exxon Mobil market cap in 2023 was $405.12B, declined 12.7% below 2022.

Exxon Mobil Market Cap 2022: $463.81B

Exxon Mobil market cap in 2022 was $463.81B.

See more financial history for Exxon Mobil (XOM).

Sector peers — Market Cap

Companies in the same sector as Exxon Mobil, ranked by their latest market cap.

CompanyMarket CapSector
Chevron Corporation (CVX)$375.85BEnergy
ConocoPhillips (COP)$151.53BEnergy
Enbridge Inc. (ENB)$115.72BEnergy
The Williams Companies, Inc. (WMB)$89.32BEnergy
SLB N.V. (SLB)$83.54BEnergy
EOG Resources, Inc. (EOG)$72.74BEnergy
Valero Energy Corporation (VLO)$71.85BEnergy
Kinder Morgan, Inc. (KMI)$70.73BEnergy

Frequently asked questions

What is Exxon Mobil's market cap?

Latest reported market cap for Exxon Mobil (XOM) is $510.00B (period ending December 31, 2025).

How has Exxon Mobil market cap changed year-over-year?

Exxon Mobil (XOM) market cap changed +28.5% year-over-year on the latest annual filing.

What is the long-term growth rate of Exxon Mobil market cap?

Exxon Mobil (XOM) market cap compound annual growth rate is +20.5% over the most recent 5 years available.

When did Exxon Mobil market cap hit its highest annual value?

Exxon Mobil market cap reached its highest annual value of $665.85B in 2026.

What was Exxon Mobil market cap in 2025?

Exxon Mobil (XOM) market cap in 2025 was $518.06B.

What was Exxon Mobil market cap in 2026?

Exxon Mobil (XOM) market cap in 2026 was $665.85B.

Metrics overview

Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.