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NYSE · CIK 0001262823 · INDUSTRIAL ORGANIC CHEMICALS

Westlake Corporation

WLK chart by TradingView
P/E P/B 1.1xP/SALES 0.8xEV/EBITDA FCF YIELD -2.82%

PRICE HISTORY

LIVE · NYSE
WLK chart by TradingView
REVENUE FY2025 ENDED DEC 2025
$11.2B
EBITDA
$-0.4B
FREE CASH FLOW
$-0.5B
EPS
$-11.76
GROSS MARGIN
7.28%
ROIC
-12.94%
Q2 FY26ENDED JUN 2026HOVERDRAG ACROSS ANY CHART TO SCRUB ALL 24 · 40 QUARTERS SHOWNVALUATIONGROWTHPROFITABILITY & RETURNSCASH & CAPITALBALANCE SHEET

VALUATION

what you pay for a unit of the business7 CHARTS

P / E RATIO (TTM)

+96%
LATEST · Q2 FY26
Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
4.2x198.4x

P / SALES (TTM)

0.8x
-48%
LATEST · Q2 FY26
0.8xQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
0.6x1.8x

P / BOOK

1.1x
-46%
LATEST · Q2 FY26
1.1xQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
0.8x2.8x

EV / EBITDA (TTM)

+247%
LATEST · Q2 FY26
Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
3.1x39.3x

EV / REVENUE (TTM)

1.1x
-52%
LATEST · Q2 FY26
1.1xQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
0.9x2.4x

FCF YIELD (TTM)

-2.82%
-5.0pp
LATEST · Q2 FY26
-2.82%Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
-5.59%20.22%

DIVIDEND YIELD (TTM)

2.90%
+1.5pp
LATEST · Q2 FY26
2.90%Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
0.74%2.90%

GROWTH

is the business getting bigger5 CHARTS

REVENUE

$3.3B
+156%
LATEST · Q2 FY26
3.3BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

EBITDA (DERIVED)

$0.7B
+362%
LATEST · Q2 FY26
0.7BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

NET INCOME

$0.3B
+296%
LATEST · Q2 FY26
0.3BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

EPS (DILUTED)

$2.02
+299%
LATEST · Q2 FY26
2.02Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

REVENUE GROWTH YOY

10.77%
+3.1pp
LATEST · Q2 FY26
10.77%Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
-27.48%99.24%

PROFITABILITY & RETURNS

what survives to the bottom, and what it earns on capital4 CHARTS

FCF MARGIN

3.39%
+3.9pp
LATEST · Q2 FY26
3.39%Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
-11.43%20.05%

RETURN ON CAPITAL

-10.18%
-16.3pp
LATEST · Q2 FY26
-10.18%Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
-13.82%22.39%

RETURN ON EQUITY (TTM)

-14.19%
-26.1pp
LATEST · Q2 FY26
-14.19%Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
-19.15%30.47%

MARGIN FUNNEL

every line is a share of the same revenue, so they read on one scale — the gaps are what each layer takes out, and net rises above operating when income arrives from outside the business
GROSS MARGIN19.93%
OPERATING MARGIN11.13%
NET MARGIN7.95%
FCF MARGIN3.39%
46.6526.416.17-14.06-34.30GROSSOPERNETFCFQ3 FY16Q3 FY17Q3 FY18Q3 FY19Q3 FY20Q3 FY21Q3 FY22Q3 FY23Q3 FY24Q3 FY25Q2 FY26

CASH & CAPITAL

where the money actually goes5 CHARTS

FREE CASH FLOW

$0.1B
+$0.1B
LATEST · Q2 FY26
0.1BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

STOCK-BASED COMP

$0.0B
+764%
LATEST · Q2 FY26
0.0BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

CAPITAL EXPENDITURE

$0.2B
+15%
LATEST · Q2 FY26
0.2BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

SHARES OUTSTANDING

0.13B
-1%
LATEST · Q2 FY26
0.13BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

DIVIDEND / SHARE

$0.53
+178%
LATEST · Q2 FY26
0.53Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

BALANCE SHEET

how much cushion there is3 CHARTS

CASH & EQUIVALENTS

$1.6B
+332%
LATEST · Q2 FY26
1.6BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

TOTAL DEBT

$5.1B
+38%
LATEST · Q2 FY26
5.1BQ3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26

DEBT / EBITDA (TTM)

+256%
LATEST · Q2 FY26
Q3 FY16Q3 FY18Q3 FY20Q3 FY22Q3 FY24Q2 FY26
1.0x14.5x

OWNERSHIP

10 LARGEST HOLDERS · WHO OWNS THE FLOAT
INSTITUTIONS 35.42%INSIDERS 74.49%OTHER / RETAIL 0.00%468 INSTITUTIONAL FILERS
HOLDER% HELDSHARESVALUECHANGE
Orbis Allan Gray Ltd4.14%5.3M$410.1M+20.7%
Capital World Investors3.30%4.2M$326.2M+93.9%
Blackrock Inc.2.41%3.1M$238.5M-5.6%
Price (T.Rowe) Associates Inc1.88%2.4M$186.5M+9.0%
Brandes Investment Partners L.P.1.44%1.8M$142.8M+10.3%
Wellington Management Group, LLP1.40%1.8M$138.9M-57.5%
Vanguard Portfolio Management LLC1.38%1.8M$137.1MNEW
Dimensional Fund Advisors LP1.15%1.5M$113.6M-22.3%
Vanguard Capital Management LLC1.14%1.5M$112.8MNEW
Goldman Sachs Group Inc1.09%1.4M$107.9M+84.8%
AS OF 2026-03-31 · MOST RECENT 13F FILINGS
SOURCE → 10-K · 10-Q · 8-K / GUIDANCE · ALL FILINGS
FILING DATA AS OF 2026-08-10. Figures are derived from public SEC EDGAR filings (40most recent quarters shown, Q4 implied as full-year minus Q1-Q3). Valuation multiples use each period’s fiscal period-end close. Live price charts and quotes are provided by TradingView. This page is informational only — it is not investment advice, and figures are not warranted for accuracy. EBITDA is not a GAAP measure; it is derived as operating income + D&A. Verify against the linked source filing before relying on any number here.