WESTLAKE CORP (WLK)

88.55 0.45 (0.51%)

As of 2026-05-22 14:59:46 EST

Westlake Corporation is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets. The company was founded by Ting Tsung Chao in 1986. it is the largest producer of low-density polyethylene (LDPE) in the US and ranks among the Forbes Global 2000. Westlake Chemical operates in two segments: Olefins and Vinyls, and is also an integrated producer of vinyls, with substantial downstream integration into polyvinyl chloride (PVC) building products.

Traded asNYSE: WLK
ISINUS9604131022
CIK0001262823
LEIGOXNEVUM0LL78B1OS344
EIN760346924
SectorChemicals
IndustryIndustrial Organic Chemicals
CEOJean-Marc Gilson
Employees15,540
Fiscal Year End1231
Address2801 POST OAK BLVD, HOUSTON, TX, 77056
Phone713-960-9111
Websitehttps://westlake.com
Stock Quotes
trading_symbolregistrant_nametimepricechangepercentage_change
WLKWESTLAKE CORP2026-05-22 14:59:4688.550.450.51
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Company Information
trading_symbolcentral_index_keyregistrant_nameisin_numberlei_numberein_numberexchangesic_codesic_descriptionfiscal_year_endstate_of_incorporationaddress_streetaddress_cityaddress_stateaddress_zip_codeaddress_countryaddress_country_codephone_numbermailing_addressbusiness_addressformer_nameindustryfounding_datechief_executive_officernumber_of_employeeswebsitemarket_capshares_issuedshares_outstandingdescriptionupdate_time
WLK0001262823WESTLAKE CORPUS9604131022GOXNEVUM0LL78B1OS344760346924NYSE2860Industrial Organic Chemicals1231DE2801 POST OAK BLVDHOUSTONTX77056UNITED STATESUS713-960-91112801 POST OAK BLVD, HOUSTON, TX, 770562801 POST OAK BLVD, HOUSTON, TX, 77056WESTLAKE CHEMICAL CORPChemicals1986Jean-Marc Gilson15,540https://westlake.com2,500,000,000134,651,380128,122,944Westlake Corporation is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products, which are fundamental to various consumer and industrial markets. The company was founded by Ting Tsung Chao in 1986. it is the largest producer of low-density polyethylene (LDPE) in the US and ranks among the Forbes Global 2000. Westlake Chemical operates in two segments: Olefins and Vinyls, and is also an integrated producer of vinyls, with substantial downstream integration into polyvinyl chloride (PVC) building products.2026-05-21 15:55:16
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WLK Stock Price (End-of-Day)
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WLK Stock Price (1-Minute)
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Market Cap
Fiscal YearMarket CapChange In Market CapPercentage Change In Market CapShares OutstandingChange In Shares OutstandingPercentage Change In Shares Outstanding
20252,500,000,000-2,400,000,000-48.9796127,910,338-319,171-0.2489
20244,900,000,0001,000,000,00025.641128,229,50913,3020.0104
20233,900,000,000700,000,00021.875128,216,207853,6360.6702
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Executive Compensation
Executive NameExecutive PositionFiscal YearSalaryBonusStock AwardsIncentive Plan CompensationOther CompensationTotal Compensation
Jean-Marc GilsonChief Executive Officer, President, Director20251,288,462—3,000,2051,089,69281,4936,423,651
M. Steven BenderExecutive Vice President, Chief Financial Officer2025778,077—1,461,118881,93186,5153,911,710
Albert ChaoExecutive Chairman20251,050,539—2,817,1131,264,209173,9596,663,341
James ChaoChairman2025642,846—2,817,113636,348132,8295,586,657
Robert F. BuesingerExecutive Vice President2025675,000—2,495,879805,38773,7874,529,962
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Employee Count
Fiscal YearEmployee Count
202514,600
202415,540
202315,520
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Income Statements
Fiscal Year202520242023
Revenue11,170,000,00012,142,000,00012,548,000,000
Cost Of Revenue10,357,000,00010,185,000,00010,329,000,000
Gross Profit813,000,0001,957,000,0002,219,000,000
Research And Development Expenses———
General And Administrative Expenses900,000,000874,000,000865,000,000
Operating Expenses2,391,000,0001,082,000,0001,490,000,000
Operating Income-1,578,000,000875,000,000729,000,000
Net Income-1,508,000,000602,000,000479,000,000
Earnings Per Share Basic-11.74.663.73
Earnings Per Share Diluted-11.74.643.7
Weighted Average Shares Outstanding Basic128,260,331128,535,226127,806,317
Weighted Average Shares Outstanding Diluted128,260,331129,206,922128,598,441
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Balance Sheet Statements
Fiscal Year202520242023
Cash And Cash Equivalents2,724,000,0002,919,000,0003,304,000,000
Marketable Securities Current———
Accounts Receivable1,504,000,0001,483,000,0001,601,000,000
Inventories1,653,000,0001,697,000,0001,622,000,000
Non Trade Receivables117,000,000100,000,000143,000,000
Other Assets Current131,000,000115,000,00082,000,000
Total Assets Current6,216,000,0006,214,000,0006,609,000,000
Marketable Securities Non Current———
Property Plant And Equipment8,605,000,0008,633,000,0008,519,000,000
Other Assets Non Current———
Total Assets Non Current13,745,000,00014,536,000,00014,426,000,000
Total Assets19,961,000,00020,750,000,00021,035,000,000
Accounts Payable783,000,000851,000,000877,000,000
Deferred Revenue———
Short Term Debt497,000,0006,000,000299,000,000
Other Liabilities Current1,490,000,0001,362,000,0001,614,000,000
Total Liabilities Current2,770,000,0002,219,000,0002,790,000,000
Long Term Debt5,584,000,0004,562,000,0004,906,000,000
Other Liabilities Non Current492,000,000362,000,000340,000,000
Total Liabilities Non Current7,896,000,0007,488,000,0007,481,000,000
Total Liabilities10,666,000,0009,707,000,00010,271,000,000
Common Stock1,000,0001,000,0001,000,000
Retained Earnings8,701,000,00010,481,000,00010,143,000,000
Accumulated Other Comprehensive Income-80,000,000-144,000,000-98,000,000
Total Shareholders Equity8,792,000,00010,527,000,00010,241,000,000
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Cash Flow Statements
Fiscal Year202520242023
Depreciation And Amortization1,178,000,0001,114,000,0001,097,000,000
Share Based Compensation Expense41,000,00041,000,00043,000,000
Other Non Cash Income Expense———
Change In Accounts Receivable-15,000,000-87,000,000-225,000,000
Change In Inventories-51,000,00097,000,000-250,000,000
Change In Non Trade Receivables———
Change In Other Assets———
Change In Accounts Payable-67,000,000-20,000,000-26,000,000
Change In Other Liabilities262,000,000191,000,000268,000,000
Cash From Operating Activities465,000,0001,314,000,0002,336,000,000
Purchases Of Marketable Securities272,000,000——
Sales Of Marketable Securities68,000,000——
Acquisition Of Property Plant And Equipment995,000,0001,008,000,0001,034,000,000
Acquisition Of Business—00
Other Investing Activities-9,000,000-33,000,000-22,000,000
Cash From Investing Activities-1,223,000,000-1,001,000,000-1,037,000,000
Tax Withholding For Share Based Compensation———
Payments Of Dividends272,000,000264,000,000221,000,000
Issuance Of Common Stock3,000,00013,000,00044,000,000
Repurchase Of Common Stock63,000,00060,000,00023,000,000
Issuance Of Long Term Debt1,187,000,000—0
Repayment Of Long Term Debt254,000,000300,000,0000
Other Financing Activities-17,000,00010,000,0009,000,000
Cash From Financing Activities530,000,000-650,000,000-245,000,000
Change In Cash-195,000,000-384,000,0001,073,000,000
Cash At End Of Period2,724,000,0002,919,000,0003,304,000,000
Income Taxes Paid104,000,000422,000,000421,000,000
Interest Paid157,000,000153,000,000159,000,000
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Key Metrics
Fiscal Year202520242023
Earnings Per Share-11.74.663.73
Price To Earnings Ratio-6.319724.60337.5228
Earnings Growth Rate-351.07324.933-78.6369
Price Earnings To Growth Ratio0.0180.9868-0.4772
Book Value Per Share72.469885.914284.2212
Price To Book Ratio1.02031.33451.6618
Ebitda-55,000,0002,297,000,0002,162,000,000
Enterprise Value12,840,568,874.1416,385,563,660.919,788,772,127.32
Dividend Yield0.02870.01790.0124
Dividend Payout Ratio-0.18040.43850.4614
Debt To Equity Ratio0.69170.43390.5083
Capital Expenditures1,150,000,0001,228,000,0001,091,000,000
Free Cash Flow-685,000,00086,000,0001,245,000,000
Return On Equity-0.17150.05720.0468
One Year Beta1.21660.93391.3312
Three Year Beta1.17870.99351.0563
Five Year Beta1.08061.25191.3023
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Insider Transactions
Insider NameRelationship To IssuerTransaction DateAmount Of SecuritiesAcquired Or DisposedSecurities Owned Following Transaction
Bender Mark StevenEVP & CFO2026-05-135,284D35,895
Bender Mark StevenEVP & CFO2026-05-1213,164A41,179
Bender Mark StevenEVP & CFO2026-05-1213,164D0
Powers Brian JohnSVP, PEM Segment Head2026-04-021,961A1,961
Bender Mark StevenEVP & CFO2026-03-2716,413D28,015
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Senate Trading
Name Of Reporting PersonType Of Reporting PersonReport DateTransaction TypeTransaction DateOwner TypeAmount
David A Perdue , JrSenator2017-08-28Sale (Partial)2017-08-08Joint$1,001 - $15,000
David A Perdue , JrSenator2017-08-28Sale (Partial)2017-08-09Joint$1,001 - $15,000
David A Perdue , JrSenator2017-08-28Sale (Full)2017-08-14Joint$1,001 - $15,000
David A Perdue , JrSenator2017-08-28Sale (Partial)2017-08-10Joint$1,001 - $15,000
David A Perdue , JrSenator2017-08-28Sale (Partial)2017-08-04Joint$15,001 - $50,000
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House Trading
Name Of Reporting PersonReport DateStateTransaction TypeTransaction DateOwner TypeAmount
James Comer2020-08-24KY01Sale2020-08-06—$1,001 - $15,000
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Institutional Holdings
Investor NamePeriod Of ReportMarket ValueAmount Of SecuritiesPrice Per Security
Edgestream Partners, L.P.2026-03-312,065,49417,681116.82
JANUS HENDERSON GROUP PLC2026-03-3131,517,599269,783116.8257
South Dakota Investment Council2026-03-312,364,00020,235116.8273
Amundi2026-03-31233,2901,997116.8202
EverSource Wealth Advisors, LLC2026-03-3127,337234116.8248
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Mutual Fund Holdings
Registrant NamePeriod Of ReportFund NameFund SymbolAmount Of UnitsValue In UsdPercentage Value Compared To Assets
iSHARES TRUST2026-03-31iShares Russell 1000 Value ETFIWD76,1108,891,170.20.0127
iSHARES TRUST2026-03-31iShares Texas Equity ETFTEXN10312,032.460.076
iSHARES TRUST2026-03-31iShares Russell 1000 ETFIWB23,1992,710,107.180.0063
iSHARES TRUST2026-03-31iShares U.S. Infrastructure ETFIFRA51,7976,050,925.540.1635
AQR Funds2026-03-31Class R6QLERX-53,243-6,219,847.26-0.077
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