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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, Q3 2024

Institutional positions in Westlake Corp as of Sep 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
403
+23 vs. Q2 2024
Shares held
33.8M
+3.18M (+10.4%) vs. Q2 2024
Total value
$5.08B
+$644.6M (+14.5%) vs. Q2 2024
New holders
69
147 more added
Sold out
46
123 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 403 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 heldQ3 2024: $5.08B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2024.

Institutions holding WLK in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Nordea Investment Management AB5,667$849.3K0.00%+2,817+98.8%Added
Achmea Investment Management B.V.5,685$855.0K0.01%00.0%Unchanged
Korea Investment CORP5,727$860.7K0.00%−5,083−47.0%Reduced
JustInvest LLC5,916$889.1K0.01%−3−0.1%Reduced
Peterson Wealth Services5,916$889.1K0.28%+744+14.4%Added
First Eagle Investment Management, LLC5,988$899.9K0.00%+550+10.1%Added
British Columbia Investment Management Corp6,442$968.2K0.01%−932−12.6%Reduced
Voloridge Investment Management, LLC6,673$1.00M0.00%+6,673New
Gotham Asset Management, LLC6,678$1.00M0.01%−11,060−62.4%Reduced
Pettee Investors, Inc.6,711$1.01M0.49%00.0%Unchanged
Oregon Public Employees Retirement Fund6,778$1.02M0.02%+120+1.8%Added
Pathstone Holdings, LLC6,828$1.03M0.00%+10.0%Added
New Mexico Educational Retirement Board7,000$1.05M0.04%00.0%Unchanged
Custom Index Systems, LLC7,105$1.07M0.58%+4,956+230.6%Added
Wealthcare Advisory Partners LLC7,171$1.08M0.03%−760−9.6%Reduced
Prudential Financial Inc7,209$1.08M0.00%+4,511+167.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,370$1.11M0.01%+246+3.5%Added
Financial Enhancement Group LLC9,824$1.11M0.22%+9,824New
Northwestern Mutual Investment Management Company, LLC7,418$1.11M0.03%+244+3.4%Added
State of Tennessee, Treasury Department7,500$1.13M0.00%00.0%Unchanged
Advisors Asset Management, Inc.7,550$1.13M0.02%+930+14.0%Added
Thrivent Financial for Lutherans7,855$1.18M0.00%+89+1.1%Added
Panagora Asset Management Inc7,952$1.20M0.01%+1,897+31.3%Added
RiverFront Investment Group, LLC8,000$1.20M0.03%00.0%Unchanged
New York State Teachers Retirement System8,202$1.23M0.00%−200−2.4%Reduced
State of Michigan Retirement System8,700$1.31M0.01%+200+2.4%Added
Centiva Capital, LP8,785$1.32M0.06%+3,209+57.6%Added
Sterling Capital Management LLC8,994$1.35M0.02%+8,994New
B. Metzler seel. Sohn & Co. AG9,000$1.35M0.01%00.0%Unchanged
B. Metzler seel. Sohn & Co. Holding AG9,000$1.35M0.01%+9,000New
Skandinaviska Enskilda Banken AB (publ)9,101$1.37M0.01%00.0%Unchanged
Recurrent Investment Advisors LLC9,241$1.39M0.14%−642−6.5%Reduced
Louisiana State Employees Retirement System9,300$1.40M0.03%+200+2.2%Added
Citigroup Inc9,890$1.49M0.00%+2,194+28.5%Added
Manning & Napier Advisors LLC9,976$1.50M0.02%+9,976New
Empowered Funds, LLC10,021$1.51M0.02%+395+4.1%Added
Point72 Hong Kong Ltd10,059$1.51M0.11%−15,197−60.2%Reduced
Handelsbanken Fonder AB10,300$1.55M0.01%00.0%Unchanged
CBOE Vest Financial, LLC10,410$1.56M0.03%+2,988+40.3%Added
Nomura Asset Management Co Ltd10,456$1.57M0.00%00.0%Unchanged
Holocene Advisors, LP10,515$1.58M0.01%+10,515New
Nations Financial Group Inc,10,646$1.60M0.12%−218−2.0%Reduced
AustralianSuper Pty Ltd10,726$1.61M0.01%+1,545+16.8%Added
Arizona State Retirement System11,051$1.66M0.01%+484+4.6%Added
Resona Asset Management Co.,Ltd.11,719$1.76M0.01%−219−1.8%Reduced
Asset Management One Co.,Ltd.11,719$1.76M0.01%−426−3.5%Reduced
Ameritas Investment Partners, Inc.11,937$1.79M0.06%00.0%Unchanged
Teachers Retirement System of the State of Kentucky11,945$1.79M0.02%00.0%Unchanged
Public Employees Retirement System of Ohio12,177$1.83M0.01%−606−4.7%Reduced
Occudo Quantitative Strategies LP12,264$1.84M0.34%−4,851−28.3%Reduced
Yousif Capital Management, LLC12,582$1.89M0.02%−1,275−9.2%Reduced
QRG Capital Management, Inc.12,639$1.90M0.02%−2,436−16.2%Reduced
Entropy Technologies, LP12,744$1.92M0.20%+2,200+20.9%Added
Oliver Luxxe Assets LLC12,762$1.92M0.34%+12,762New
Ambassador Advisors, LLC12,945$1.95M0.34%−338−2.5%Reduced
CI Private Wealth, LLC13,587$2.04M0.00%+274+2.1%Added
Thomist Capital Management, LP13,800$2.07M0.52%+13,800New
Royal London Asset Management Ltd13,851$2.08M0.01%+7,820+129.7%Added
Illinois Municipal Retirement Fund13,975$2.10M0.03%00.0%Unchanged
Keeley-Teton Advisors, LLC14,033$2.11M0.23%+14,033New
State of New Jersey Common Pension Fund D14,586$2.19M0.01%−182−1.2%Reduced
HITE Hedge Asset Management LLC14,590$2.19M0.25%+14,590New
Treasurer of the State of North Carolina14,652$2.20M0.01%+60+0.4%Added
Albar Capital Ltd14,669$2.20M0.50%+14,669New
Versor Investments LP14,845$2.23M0.35%+7,666+106.8%Added
Mercer Global Advisors Inc15,494$2.31M0.01%−3,574−18.7%Reduced
New York State Common Retirement Fund15,475$2.33M0.00%−4,000−20.5%Reduced
Mn Services Vermogensbeheer B.V.15,600$2.35M0.02%00.0%Unchanged
Amalgamated Bank15,682$2.36M0.02%−618−3.8%Reduced
Jefferies Financial Group Inc.15,872$2.39M0.04%+15,872New
Fort Pitt Capital Group, LLC16,001$2.40M0.07%−5,260−24.7%Reduced
Graham Capital Management, L.P.16,156$2.43M0.08%+16,156New
Wealthfront Advisers LLC16,214$2.44M0.01%+3,479+27.3%Added
Verition Fund Management LLC17,195$2.58M0.02%+6,298+57.8%Added
MetLife Investment Management17,281$2.60M0.01%+331+2.0%Added
Mitsubishi UFJ Trust & Banking Corp17,841$2.68M0.01%−56−0.3%Reduced
Mutual of America Capital Management LLC18,068$2.72M0.03%−337−1.8%Reduced
Livforsakringsbolaget Skandia, Omsesidigt18,450$2.77M0.15%+3,800+25.9%Added
Pictet Asset Management Holding SA18,576$2.79M0.00%+5,851+46.0%Added
Raymond James & Associates19,420$2.92M0.00%+304+1.6%Added
Royal Bank of Canada19,594$2.94M0.00%−747−3.7%Reduced
Price T Rowe Associates Inc19,770$2.97M0.00%+330+1.7%Added
ING Groep NV20,200$3.04M0.02%+20,200New
Polar Asset Management Partners Inc.20,700$3.11M0.07%−32,200−60.9%Reduced
Danske Bank A/S21,412$3.22M0.01%−700−3.2%Reduced
State of Wisconsin Investment Board21,778$3.27M0.01%+1,393+6.8%Added
Bank of Nova Scotia21,827$3.28M0.01%+21,827New
South Dakota Investment Council22,135$3.33M0.07%00.0%Unchanged
HRT Financial LP22,527$3.38M0.02%−59,853−72.7%Reduced
Envestnet Asset Management Inc22,577$3.39M0.00%−21,617−48.9%Reduced
Engineers Gate Manager LP22,649$3.40M0.07%+14,873+191.3%Added
Worldquant Millennium Advisors LLC22,720$3.41M0.02%−21,845−49.0%Reduced
Dana Investment Advisors, Inc.22,829$3.43M0.11%−197−0.9%Reduced
Campbell & CO Investment Adviser LLC23,108$3.47M0.26%+23,108New
Aquatic Capital Management LLC23,300$3.50M0.09%+22,600+3,228.6%Added
Manufacturers Life Insurance Company, The23,486$3.53M0.00%−200−0.8%Reduced
Edgestream Partners, L.P.23,650$3.55M0.16%+23,650New
Hudson Bay Capital Management LP25,000$3.76M0.03%+25,000New
Comerica Bank25,099$3.77M0.01%+1,530+6.5%Added
Tudor Investment Corp Et Al25,187$3.79M0.04%+25,187New