Westlake Market Cap

Westlake has a market cap or net worth of $14.13 billion as of April 28, 2026. Its market cap has increased by 22.83% in one year.

Market Cap

14.13B

Enterprise Value

17.62B

1-Year Change

22.83%

Ranking

#754

Market Cap Chart

Since August 12, 2004, Westlake's market cap has increased from $961.10M to $14.13B, an increase of 1,370.61%. That is a compound annual growth rate of 13.17%.

Market Cap History

Date	Market Cap	% Change
Apr 28, 2026	14.11B	48.82%
Dec 31, 2025	9.48B	-35.72%
Dec 31, 2024	14.76B	-17.72%
Dec 29, 2023	17.93B	37.14%
Dec 30, 2022	13.08B	5.34%
Dec 31, 2021	12.42B	19.12%
Dec 31, 2020	10.42B	15.76%
Dec 31, 2019	9.00B	5.34%
Dec 31, 2018	8.55B	-37.86%
Dec 29, 2017	13.75B	90.57%
Dec 30, 2016	7.22B	1.70%
Dec 31, 2015	7.10B	-12.71%
Dec 31, 2014	8.13B	-0.25%
Dec 31, 2013	8.15B	54.10%
Dec 31, 2012	5.29B	97.35%
Dec 30, 2011	2.68B	-6.85%
Dec 31, 2010	2.88B	74.92%
Dec 31, 2009	1.64B	53.79%
Dec 31, 2008	1.07B	-14.00%
Dec 31, 2007	1.24B	-39.26%
Dec 29, 2006	2.05B	9.15%
Dec 30, 2005	1.88B	-13.46%
Dec 31, 2004	2.17B	125.52%

View and export this data all the way back to 2004. Sign Up Today.

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

Related Stocks

Company	Market Cap
Sociedad Química y Minera de Chile	25.54B
PPG Industries	24.10B
LyondellBasell Industries	23.07B
Albemarle	22.03B
DuPont de Nemours	18.58B
International Flavors & Fragrances	18.08B
RPM International	13.23B
Solstice Advanced Materials	12.66B

Market Cap Rankings