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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 2022

Institutional positions in Westlake Corp as of Sep 30, 2022. 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
321
−34 vs. Q2 2022
Shares held
34.9M
−681.3K (−1.9%) vs. Q2 2022
Total value
$3.03B
−$467.6M (−13.3%) vs. Q2 2022
New holders
33
123 more added
Sold out
67
122 more reduced

Compare with Q2 2022: 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 2022: 321 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 2022: $3.03B
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 2022

Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2022.

Institutions holding WLK in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Zions Bancorporation, N.A.5$00.00%−640−99.2%Reduced
Your Advocates Ltd., LLP5$00.00%−5−50.0%Reduced
Ronald Blue Trust, Inc.5$00.00%−2−28.6%Reduced
Allworth Financial LP5$00.00%00.0%Unchanged
Raffa Wealth Management, LLC9$7820.00%00.0%Unchanged
NewSquare Capital LLC17$1.00K0.00%00.0%Unchanged
Disciplined Investments, LLC15$1.00K0.00%−1−6.3%Reduced
Loomis Sayles & Co L P15$1.00K0.00%+1+7.1%Added
Covington Capital Management7$1.00K0.00%00.0%Unchanged
Sound Income Strategies, LLC15$1.00K0.00%00.0%Unchanged
Bellwether Advisors, LLC13$1.00K0.00%00.0%Unchanged
Quent Capital, LLC7$1.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC11$1.00K0.00%+8+266.7%Added
SRS Capital Advisors, Inc.7$1.00K0.00%+7New
EverSource Wealth Advisors, LLC10$1.00K0.00%+10New
SJS Investment Consulting Inc.12$1.00K0.00%+12New
Glassman Wealth Services22$2.00K0.00%−43−66.2%Reduced
Heritage Wealth Management, LLC25$2.00K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC25$2.00K0.00%00.0%Unchanged
Schubert & Co28$2.00K0.00%+5+21.7%Added
AdvisorNet Financial, Inc25$2.00K0.00%+23+1,150.0%Added
JFS Wealth Advisors, LLC32$3.00K0.00%−43−57.3%Reduced
Parkside Financial Bank & Trust31$3.00K0.00%−23−42.6%Reduced
Anchor Investment Management, LLC52$4.52K0.00%00.0%Unchanged
Meeder Asset Management Inc57$5.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc61$5.00K0.00%+6+10.9%Added
Massmutual Trust Co FSB70$6.00K0.00%−3−4.1%Reduced
Core Alternative Capital86$7.00K0.00%00.0%Unchanged
Harbour Investments, Inc.69$7.00K0.00%00.0%Unchanged
CWM, LLC95$8.00K0.00%−587−86.1%Reduced
Worth Asset Management, LLC101$9.00K0.01%−100−49.8%Reduced
Jackson, Grant Investment Advisers, Inc.109$9.00K0.00%00.0%Unchanged
First Eagle Investment Management, LLC106$9.00K0.00%+84+381.8%Added
Lindbrook Capital, LLC106$9.00K0.00%+86+430.0%Added
Carmichael Hill & Associates, Inc.100$9.00K0.01%+100New
Crewe Advisors LLC113$10.0K0.00%00.0%Unchanged
Riverview Trust Co129$11.0K0.01%+129New
American Portfolios Advisors140$12.2K0.00%00.0%Unchanged
Silver Oak Securities, Inc102$12.7K0.00%+102New
Fred Alger Management, LLC158$14.0K0.00%00.0%Unchanged
Signaturefd, LLC175$15.0K0.00%−118−40.3%Reduced
Private Trust Co NA170$15.0K0.00%−8−4.5%Reduced
CVA Family Office, LLC170$15.0K0.00%+20+13.3%Added
Steward Partners Investment Advisory, LLC195$17.0K0.00%−79−28.8%Reduced
Altshuler Shaham Ltd202$17.0K0.00%−39−16.2%Reduced
TCI Wealth Advisors, Inc.194$17.0K0.00%−18−8.5%Reduced
Deseret Mutual Benefit Administrators199$17.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)244$21.0K0.00%+150+159.6%Added
Huntington National Bank260$23.0K0.00%+52+25.0%Added
Kistler-Tiffany Companies, LLC296$26.0K0.01%+296New
American International Group, Inc.346$30.0K0.00%+1+0.3%Added
Arcadia Investment Management Corp350$30.0K0.01%00.0%Unchanged
Proequities, Inc.358$31.0K0.00%+157+78.1%Added
Smithfield Trust Co379$33.0K0.00%−1,715−81.9%Reduced
Harvest Fund Management Co., Ltd378$33.0K0.01%−519−57.9%Reduced
Wahed Invest LLC383$33.0K0.02%+34+9.7%Added
Parallel Advisors, LLC407$35.0K0.00%−66−14.0%Reduced
FourThought Financial, LLC428$37.0K0.01%00.0%Unchanged
Gulf International Bank (UK) Ltd440$38.0K0.00%+440New
IFP Advisors, Inc356$42.0K0.00%+47+15.2%Added
Rockefeller Capital Management L.P.516$44.0K0.00%+290+128.3%Added
Quadrant Capital Group LLC567$49.0K0.01%−133−19.0%Reduced
Wipfli Financial Advisors LLC,570$50.0K0.00%+570New
Exchange Traded Concepts, LLC586$51.0K0.00%−3,400−85.3%Reduced
Macquarie Group Ltd643$56.0K0.00%−73,870−99.1%Reduced
MetLife Investment Management678$58.9K0.00%−17−2.4%Reduced
Chiron Investment Management, LLC682$59.0K0.01%+682New
Federation des caisses Desjardins du Quebec695$60.4K0.00%+695New
Ossiam703$61.0K0.00%+703New
AlphaCentric Advisors LLC714$62.0K0.06%+714New
Harel Insurance Investments & Financial Services Ltd.983$84.0K0.00%−18,354−94.9%Reduced
Group One Trading, L.P.975$85.0K0.00%−808−45.3%Reduced
Leonteq Securities AG997$86.6K0.00%+357+55.8%Added
Globeflex Capital L P1,003$87.0K0.01%00.0%Unchanged
Banque Cantonale Vaudoise1,000$87.0K0.00%00.0%Unchanged
State of Wyoming1,268$110.0K0.05%−418−24.8%Reduced
Northwestern Mutual Wealth Management Co1,458$126.0K0.00%+1,455+48,500.0%Added
Forsta Ap-Fonden1,500$130.0K0.00%+1,500New
Covestor Ltd1,566$136.0K0.12%+427+37.5%Added
The PNC Financial Services Group, Inc.1,834$159.0K0.00%+389+26.9%Added
Alpha Paradigm Partners, LLC1,947$169.0K0.07%+1,787+1,116.9%Added
Daiwa Securities Group Inc.2,024$176.0K0.00%00.0%Unchanged
PGGM Investments2,203$191.0K0.00%+2,203New
National Bank of Canada2,302$198.0K0.00%−15,308−86.9%Reduced
US Bancorp2,395$208.0K0.00%+13+0.5%Added
Raymond James Financial Services Advisors, Inc.2,423$211.0K0.00%−2,836−53.9%Reduced
Nordea Investment Management AB2,540$217.0K0.00%+416+19.6%Added
Colony Group LLC2,507$218.0K0.00%+2,507New
Manufacturers Life Insurance Company, The2,526$219.5K0.00%−378−13.0%Reduced
Investors Research Corp2,550$222.0K0.07%00.0%Unchanged
Gsa Capital Partners LLP2,707$235.0K0.03%−124−4.4%Reduced
Synovus Financial Corp2,775$241.0K0.00%+94+3.5%Added
Oppenheimer & Co Inc2,857$248.0K0.01%+534+23.0%Added
TD Asset Management Inc2,920$249.0K0.00%−100−3.3%Reduced
UBS Group AG2,870$250.0K0.00%−32,388−91.9%Reduced
Advisory Services Network, LLC2,881$250.0K0.01%+817+39.6%Added
New York State Teachers Retirement System2,900$252.0K0.00%00.0%Unchanged
CSS LLC3,000$261.0K0.02%+3,000New
Diversified Trust Co3,024$263.0K0.01%−1,264−29.5%Reduced
Standard Life Aberdeen plc3,048$264.0K0.00%+698+29.7%Added