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Westlake Corp

WLK
Exchange
NYSE
Industry
Industrial Organic Chemicals
SEC CIK
0001262823

In the last 90 days, Westlake Corp insiders filed 0 open-market purchases and 1 sale; 360 institutions reported holding it in 13F filings for Q2 2026, worth $2.90B in total; no superinvestor holds it.

13F holders, Q2 2024

Institutional positions in Westlake Corp as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
382
+37 vs. Q1 2024
Shares held
34.1M
−658.3K (−1.9%) vs. Q1 2024
Total value
$4.93B
−$348.8M (−6.6%) vs. Q1 2024
New holders
67
126 more added
Sold out
30
134 more reduced

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting WLK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2024: 382 institutions
Q1 2021: 240 institutionsQ2 2021: 276 institutionsQ3 2021: 272 institutionsQ4 2021: 298 institutionsQ1 2022: 328 institutionsQ2 2022: 355 institutionsQ3 2022: 321 institutionsQ4 2022: 344 institutionsQ1 2023: 342 institutionsQ2 2023: 340 institutionsQ3 2023: 335 institutionsQ4 2023: 357 institutionsQ1 2024: 347 institutionsQ2 2024: 382 institutionsQ3 2024: 403 institutionsQ4 2024: 378 institutionsQ1 2025: 361 institutionsQ2 2025: 306 institutionsQ3 2025: 305 institutionsQ4 2025: 298 institutionsQ1 2026: 339 institutionsQ2 2026: 360 institutions
Value heldQ2 2024: $4.93B
Q1 2021: $3.09BQ2 2021: $3.02BQ3 2021: $3.15BQ4 2021: $3.37BQ1 2022: $4.38BQ2 2022: $3.50BQ3 2022: $3.03BQ4 2022: $3.73BQ1 2023: $4.40BQ2 2023: $4.42BQ3 2023: $4.64BQ4 2023: $5.04BQ1 2024: $5.29BQ2 2024: $4.93BQ3 2024: $5.08BQ4 2024: $4.04BQ1 2025: $3.64BQ2 2025: $2.99BQ3 2025: $3.20BQ4 2025: $3.43BQ1 2026: $5.15BQ2 2026: $2.90B
Institutions holding WLK and their total value by quarter
QuarterHoldersValue
Q2 2026360$2.90B
Q1 2026339$5.15B
Q4 2025298$3.43B
Q3 2025305$3.20B
Q2 2025306$2.99B
Q1 2025361$3.64B
Q4 2024378$4.04B
Q3 2024403$5.08B
Q2 2024382$4.93B
Q1 2024347$5.29B
Q4 2023357$5.04B
Q3 2023335$4.64B
Q2 2023340$4.42B
Q1 2023342$4.40B
Q4 2022344$3.73B
Q3 2022321$3.03B
Q2 2022355$3.50B
Q1 2022328$4.38B
Q4 2021298$3.37B
Q3 2021272$3.15B
Q2 2021276$3.02B
Q1 2021240$3.09B

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2024.

Institutions holding WLK in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,124$1.03M0.01%+38+0.5%Added
Northwestern Mutual Investment Management Company, LLC7,174$1.04M0.03%+29+0.4%Added
Versor Investments LP7,179$1.04M0.19%+2,309+47.4%Added
Truist Financial Corp7,233$1.05M0.00%−3,389−31.9%Reduced
British Columbia Investment Management Corp7,374$1.07M0.01%+2,837+62.5%Added
CBOE Vest Financial, LLC7,422$1.07M0.03%+1,778+31.5%Added
State of Tennessee, Treasury Department7,500$1.09M0.00%+7,500New
Cetera Investment Advisers7,612$1.10M0.00%+4,364+134.4%Added
Seven Eight Capital, LP7,667$1.11M0.12%+7,667New
Citigroup Inc7,696$1.11M0.00%−809−9.5%Reduced
Thrivent Financial for Lutherans7,766$1.13M0.00%−262−3.3%Reduced
Engineers Gate Manager LP7,776$1.13M0.03%+7,776New
Wealthcare Advisory Partners LLC7,931$1.15M0.04%−403−4.8%Reduced
RiverFront Investment Group, LLC8,000$1.16M0.03%+8,000New
CWM Advisors, LLC8,024$1.16M0.13%−2,328−22.5%Reduced
Twin Tree Management, LP8,190$1.19M0.03%+8,190New
Tower Research Capital LLC (TRC)8,292$1.20M0.02%+6,505+364.0%Added
Fox Run Management, L.L.C.8,399$1.22M0.23%+8,399New
New York State Teachers Retirement System8,402$1.22M0.00%−2,185−20.6%Reduced
State of Michigan Retirement System8,500$1.23M0.01%−300−3.4%Reduced
B. Metzler seel. Sohn & Co. AG9,000$1.30M0.01%−2,300−20.4%Reduced
Louisiana State Employees Retirement System9,100$1.32M0.03%−100−1.1%Reduced
Skandinaviska Enskilda Banken AB (publ)9,101$1.32M0.01%+1,900+26.4%Added
AustralianSuper Pty Ltd9,181$1.33M0.01%+1,458+18.9%Added
BI Asset Management Fondsmaeglerselskab A/S9,596$1.39M0.02%+6,982+267.1%Added
Empowered Funds, LLC9,626$1.39M0.02%+9,626New
Recurrent Investment Advisors LLC9,883$1.43M0.15%−278−2.7%Reduced
XTX Topco Ltd9,888$1.43M0.12%+7,929+404.7%Added
Handelsbanken Fonder AB10,300$1.49M0.01%+300+3.0%Added
Nomura Asset Management Co Ltd10,456$1.51M0.01%00.0%Unchanged
Entropy Technologies, LP10,544$1.53M0.17%+10,544New
Arizona State Retirement System10,567$1.53M0.01%−6−0.1%Reduced
Point72 (DIFC) Ltd10,630$1.54M0.14%+10,630New
Korea Investment CORP10,810$1.57M0.00%+4,700+76.9%Added
Nations Financial Group Inc,10,864$1.57M0.13%−118−1.1%Reduced
Verition Fund Management LLC10,897$1.58M0.01%+10,897New
HSBC Holdings PLC11,212$1.62M0.00%+891+8.6%Added
Ameritas Investment Partners, Inc.11,937$1.73M0.06%−227−1.9%Reduced
Dynamic Technology Lab Private Ltd11,936$1.73M0.20%+11,936New
Teachers Retirement System of the State of Kentucky11,945$1.73M0.02%00.0%Unchanged
Resona Asset Management Co.,Ltd.11,938$1.73M0.01%−52−0.4%Reduced
Asset Management One Co.,Ltd.12,145$1.76M0.01%−2,575−17.5%Reduced
Pictet Asset Management Holding SA12,725$1.84M0.00%+215+1.7%Added
Wealthfront Advisers LLC12,735$1.84M0.01%−535−4.0%Reduced
Public Employees Retirement System of Ohio12,783$1.85M0.01%+400+3.2%Added
Ambassador Advisors, LLC13,283$1.92M0.35%+115+0.9%Added
CI Private Wealth, LLC13,313$1.93M0.00%−455−3.3%Reduced
Yousif Capital Management, LLC13,857$2.01M0.02%−1,108−7.4%Reduced
Illinois Municipal Retirement Fund13,975$2.02M0.03%00.0%Unchanged
Jade Capital Advisors, LLC14,000$2.03M1.43%+14,000New
SEI Investments Co14,212$2.06M0.00%−559−3.8%Reduced
Pacer Advisors, Inc.14,517$2.10M0.00%−1,348,262−98.9%Reduced
Treasurer of the State of North Carolina14,592$2.11M0.01%+142+1.0%Added
Livforsakringsbolaget Skandia, Omsesidigt14,650$2.12M0.17%00.0%Unchanged
State of New Jersey Common Pension Fund D14,768$2.14M0.01%−7,070−32.4%Reduced
QRG Capital Management, Inc.15,075$2.18M0.03%−11,909−44.1%Reduced
Wolverine Trading, LLC15,134$2.19M0.04%+15,134New
Mn Services Vermogensbeheer B.V.15,600$2.26M0.02%00.0%Unchanged
Amalgamated Bank16,300$2.36M0.02%−5,549−25.4%Reduced
Quantbot Technologies LP16,448$2.38M0.12%+16,448New
MetLife Investment Management16,950$2.45M0.01%−656−3.7%Reduced
Occudo Quantitative Strategies LP17,115$2.48M0.44%+4,923+40.4%Added
Gotham Asset Management, LLC17,738$2.57M0.03%−1,069−5.7%Reduced
Mitsubishi UFJ Trust & Banking Corp17,897$2.59M0.01%−1,692−8.6%Reduced
Twinbeech Capital LP18,354$2.66M0.05%+18,354New
Mutual of America Capital Management LLC18,405$2.67M0.03%−682−3.6%Reduced
Mercer Global Advisors Inc19,068$2.76M0.01%−6,614−25.8%Reduced
Raymond James & Associates19,116$2.77M0.00%−4,468−18.9%Reduced
Price T Rowe Associates Inc19,440$2.82M0.00%+2,085+12.0%Added
New York State Common Retirement Fund19,475$2.82M0.00%+1,498+8.3%Added
Royal Bank of Canada20,341$2.94M0.00%+3,149+18.3%Added
State of Wisconsin Investment Board20,385$2.95M0.01%−54,557−72.8%Reduced
UBS Group AG20,670$2.99M0.00%−11,576−35.9%Reduced
Stifel Financial Corp20,772$3.01M0.00%+18,336+752.7%Added
Fort Pitt Capital Group, LLC21,261$3.08M0.09%−113−0.5%Reduced
Walleye Capital LLC21,812$3.16M0.03%+12,005+122.4%Added
Two Sigma Advisers, LP21,900$3.17M0.01%−41,100−65.2%Reduced
Dorsey Wright & Associates21,992$3.19M0.83%+21,992New
Danske Bank A/S22,112$3.20M0.01%+1,100+5.2%Added
South Dakota Investment Council22,135$3.21M0.07%−20−0.1%Reduced
Dana Investment Advisors, Inc.23,026$3.33M0.11%−593−2.5%Reduced
Comerica Bank23,569$3.41M0.01%−921−3.8%Reduced
Manufacturers Life Insurance Company, The23,686$3.43M0.00%−678−2.8%Reduced
LPL Financial LLC24,263$3.51M0.00%+2,313+10.5%Added
Cresset Asset Management, LLC25,154$3.64M0.02%+1,392+5.9%Added
Point72 Hong Kong Ltd25,256$3.66M0.22%+25,256New
Two Sigma Investments, LP26,088$3.78M0.01%−4,861−15.7%Reduced
KBC Group NV26,190$3.79M0.01%−6,215−19.2%Reduced
State Board of Administration of Florida Retirement System26,195$3.79M0.01%−7,958−23.3%Reduced
STRS Ohio27,035$3.92M0.02%+410+1.5%Added
State of Alaska, Department of Revenue27,398$3.97M0.04%00.0%Unchanged
Russell Investments Group, Ltd.27,922$4.04M0.01%+23,666+556.1%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.28,924$4.19M0.01%+6,745+30.4%Added
DnB Asset Management AS29,029$4.20M0.02%+22,774+364.1%Added
LMCG Investments, LLC29,321$4.25M0.25%+500+1.7%Added
Deutsche Bank AG30,689$4.44M0.00%−4,496−12.8%Reduced
Susquehanna Portfolio Strategies, LLC33,036$4.78M0.20%00.0%Unchanged
Susquehanna Fundamental Investments, LLC35,285$5.11M0.12%+13,991+65.7%Added
Susquehanna International Group, LLP35,505$5.14M0.01%+20,275+133.1%Added
Ensign Peak Advisors, Inc36,227$5.25M0.01%−1,460−3.9%Reduced