NYSE · WLKMaterialsIndustrial Chemicals

Westlake financials

$63.39−5.16%
Close Sep 29, 2026 · split-adjusted

Revenue

Net income

Income statement & cash flow

QuarterQ2 '26
Jun 30
Q1 '26
Mar 31
Q4 '25
Dec 31
Q3 '25
Sep 30
Q2 '25
Jun 30
Q1 '25
Mar 31
Q4 '24
Dec 31
Q3 '24
Sep 30
Q2 '24
Jun 30
Q1 '24
Mar 31
Q4 '23
Dec 31
Q3 '23
Sep 30
Revenue$3.27B$2.65B$2.53B$2.84B$2.95B$2.85B$2.84B$3.12B$3.21B$2.98B$2.83B$3.12B
Gross profit$652.0M$112.0M$87.0M$236.0M$258.0M$232.0M$328.0M$499.0M$664.0M$466.0M$199.0M$586.0M
Gross margin19.9%4.2%3.4%8.3%8.7%8.2%11.5%16.0%20.7%15.7%7.0%18.8%
Operating income$364.0M-$172.0M-$671.0M-$766.0M-$109.0M-$32.0M$66.0M$180.0M$406.0M$223.0M-$552.0M$349.0M
Net income$260.0M-$169.0M-$549.0M-$778.0M-$142.0M-$40.0M$10.0M$107.0M$313.0M$174.0M-$497.0M$285.0M
Net margin7.9%−6.4%−21.7%−27.4%−4.8%−1.4%0.4%3.4%9.8%5.8%−17.6%9.1%
Diluted EPS$2.01$-1.31$-4.28$-6.06$-1.11$-0.31$0.08$0.83$2.40$1.34$-3.86$2.20
EBITDA$653.0M$130.0M$127.0M$281.0M$301.0M$258.0M$355.0M$536.0M$689.0M$500.0M-$55.0M$626.0M
Operating cash flow$318.0M-$94.0M$225.0M$182.0M$135.0M-$77.0M$434.0M$474.0M$237.0M$169.0M$573.0M$696.0M
Free cash flow$111.0M-$303.0M-$49.0M-$57.0M-$126.0M-$331.0M$123.0M$254.0M$6.0M-$103.0M$291.0M$451.0M
Diluted shares128.5M128.0M128.2M128.3M128.2M128.3M129.1M129.3M129.4M129.0M128.9M128.6M

Balance sheet

Period endJun 30Mar 31Dec 31Sep 30Jun 30Mar 31
Cash & equivalents$1.64B$2.27B$2.72B$1.93B$2.08B$2.30B
Short-term investments$209.0M$205.0M$204.0M$198.0M$192.0M$183.0M
Total debt$5.07B$5.57B$5.58B$4.66B$4.65B$4.59B
Total assets$19.44B$19.71B$19.96B$19.81B$20.81B$20.71B
Total liabilities$10.23B$10.66B$10.67B$9.88B$10.02B$9.79B
Shareholders' equity$9.21B$9.05B$9.29B$9.94B$10.79B$10.92B

From SEC filings via Massive. Fiscal periods follow the company's own calendar; free cash flow is operating cash flow minus capital expenditure.

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology