What is the current shares outstanding of WLK?

As of today, WLK shares outstanding is 127.80M

What is 1-year change in WLK shares outstanding?

WLK shares outstanding is down -0.36% year-over-year

WLK shares outstanding is down -0.26% over the past 3 years

WLK shares outstanding is currently -4.56% below its historical high of 133.90M set on March 31, 2013

127.80M326.40K-0.25%

August 7, 2026

Current Value: As of today, WLK has 127.80M outstanding shares, down -0.25% on August 7, 2026
Historical Performance: WLK shares outstanding is down -0.36% year-over-year, down -0.26% over the past 3 years
All-Time High Comparison: WLK shares outstanding is currently -4.56% below its historical high of 133.90M set on March 31, 2013
3-Year Low Comparison: WLK shares outstanding is at its 3-year low

WLK Performance
Metric	Date	Value	1Y	3Y	5Y
Shares Outstanding	Aug 7, 26	127.80M	-0.4%	-0.3%	-0.0%
Price	Oct 16, 26	$63.33	-16.7%	-48.6%	-35.4%
Market Cap	Oct 16, 26	$8B	-17.0%	-48.7%	-35.5%
PE Ratio	Oct 16, 26	-	–	–	–
TTM Revenue	Jun 30, 26	$11.29B	-4.0%	-18.5%	+24.4%
TTM EPS	Jun 30, 26	-$9.59	-1710.0%	-193.6%	-232.7%
	Oct 16, 26	$12.14B	-6.7%	-33.1%	-16.7%
TTM Net Income	Jun 30, 26	-$1.19B	-4288.9%	-186.7%	-221.2%
TTM Dividend	Oct 16, 26	$2.12	+0.9%	+35.1%	+91.7%

WLK Shares Outstanding Highs Comparison
Period	High	Date	Current
1Y	128.27M	Feb 1, 26	-0.4%
3Y	128.70M	Sep 30, 24	-0.7%
5Y	128.70M	Sep 30, 24	-0.7%
All	133.90M	Mar 31, 13	-4.6%

WLK Shares Outstanding Lows Comparison
Period	Low	Date	Current
1Y	127.80M	Aug 7, 26	at low
3Y	127.80M	Aug 7, 26	at low
5Y	127.37M	Dec 31, 22	+0.3%
All	2.23M	Mar 31, 04	+5630.8%

What is the current shares outstanding of WLK?: As of today, WLK shares outstanding is 127.80M
What is 1-year change in WLK shares outstanding?: WLK shares outstanding is down -0.36% year-over-year
What is 3-year change in WLK shares outstanding?: WLK shares outstanding is down -0.26% over the past 3 years
How far is WLK shares outstanding from its all-time high?: WLK shares outstanding is currently -4.56% below its historical high of 133.90M set on March 31, 2013

WLK Official Website www.westlake.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1262823/000126282326000016/0001262823-26-000016-index.htm
WLK Profile on Yahoo Finance finance.yahoo.com/quote/WLK
WLK Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wlk