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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 2022

Institutional positions in Westlake Corp as of Jun 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
355
+36 vs. Q1 2022
Shares held
35.6M
+654.1K (+1.9%) vs. Q1 2022
Total value
$3.50B
−$807.0M (−18.7%) vs. Q1 2022
New holders
91
127 more added
Sold out
55
104 more reduced

9 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2022: 355 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 2022: $3.50B
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 2022

Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2022.

Institutions holding WLK in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Lazard Asset Management LLC32,136$3.15M0.00%+16,795+109.5%Added
Churchill Management Corp31,927$3.13M0.08%−3,656−10.3%Reduced
LPL Financial LLC31,887$3.13M0.00%+10,714+50.6%Added
Yaupon Capital Management LP31,200$3.06M1.08%+31,200New
Royal Bank of Canada30,626$3.00M0.00%−16,583−35.1%Reduced
STRS Ohio30,529$2.99M0.01%−28,244−48.1%Reduced
Swedbank AB28,953$2.84M0.01%+28,953New
PEAK6 Investments LLC28,191$2.82M0.06%+2,461+9.6%Added
Versor Investments LP28,694$2.81M0.11%+21,601+304.5%Added
Occudo Quantitative Strategies LP28,396$2.78M0.23%+20,057+240.5%Added
Magnetar Financial LLC27,855$2.73M0.03%+27,855New
Thompson Siegel & Walmsley LLC26,738$2.62M0.04%+26,738New
State of Wisconsin Investment Board26,332$2.58M0.01%+22,117+524.7%Added
Franklin Resources Inc25,826$2.53M0.00%−2,157−7.7%Reduced
ClariVest Asset Management LLC25,800$2.53M0.11%−6,709−20.6%Reduced
Tudor Investment Corp Et Al25,281$2.48M0.07%+19,682+351.5%Added
Advisors Asset Management, Inc.25,221$2.47M0.05%+25,221New
Graham Capital Management, L.P.25,031$2.45M0.11%+13,537+117.8%Added
Navellier & Associates Inc24,733$2.42M0.52%+24,733New
Price T Rowe Associates Inc24,141$2.37M0.00%−1,139,259−97.9%Reduced
Mitsubishi UFJ Trust & Banking Corp23,738$2.33M0.01%+13,362+128.8%Added
Snowden Capital Advisors LLC23,492$2.30M0.10%+23,492New
AlphaCrest Capital Management LLC23,317$2.29M0.11%+16,960+266.8%Added
State of New Jersey Common Pension Fund D22,995$2.25M0.01%−1,904−7.6%Reduced
State of Alaska, Department of Revenue22,738$2.23M0.03%+19,042+515.2%Added
Advisor Group Holdings, Inc.22,208$2.19M0.00%+18,042+433.1%Added
Wilen Investment Management Corp.22,183$2.16M1.88%+651+3.0%Added
Millennium Management LLC21,661$2.12M0.00%−94,365−81.3%Reduced
Natixis21,200$2.08M0.01%+21,200New
Pinebridge Investments, L.P.21,154$2.07M0.03%−3,045−12.6%Reduced
Catalyst Capital Advisors LLC21,000$2.06M0.09%+21,000New
Twin Capital Management Inc20,977$2.06M0.26%−663−3.1%Reduced
Harel Insurance Investments & Financial Services Ltd.19,337$1.90M0.04%+19,337New
Alaska Permanent Fund Corp19,300$1.89M0.03%−4,700−19.6%Reduced
Mercer Global Advisors Inc18,712$1.83M0.01%+8,233+78.6%Added
Public Employees Retirement System of Ohio18,604$1.82M0.01%−1,025−5.2%Reduced
Agf Investments Inc.17,669$1.73M0.02%+484+2.8%Added
Duality Advisers, LP17,669$1.73M0.17%+17,669New
National Bank of Canada17,610$1.73M0.01%+1,305+8.0%Added
Asset Management One Co.,Ltd.16,777$1.64M0.01%+14,847+769.3%Added
Teacher Retirement System of Texas16,693$1.64M0.01%+8,872+113.4%Added
Horizon Investment Services, LLC15,948$1.56M1.03%+5,477+52.3%Added
Treasurer of the State of North Carolina15,463$1.52M0.01%+3,246+26.6%Added
Wealthfront Advisers LLC15,170$1.49M0.01%+15,170New
Cinctive Capital Management LP14,607$1.43M0.07%−4,682−24.3%Reduced
Aquatic Capital Management LLC14,100$1.38M0.45%+14,100New
Livforsakringsbolaget Skandia, Omsesidigt14,050$1.38M0.12%+14,050New
V Wealth Advisors LLC13,311$1.30M0.25%+488+3.8%Added
Truist Financial Corp12,847$1.26M0.00%−4,649−26.6%Reduced
DuPont Capital Management Corp12,633$1.24M0.06%−12,777−50.3%Reduced
HRT Financial LP12,565$1.23M0.01%+12,565New
Nisa Investment Advisors, LLC12,374$1.21M0.01%+12,214+7,633.8%Added
American Century Companies Inc12,354$1.21M0.00%+4,252+52.5%Added
DnB Asset Management AS12,143$1.19M0.01%+12,143New
Allianz Asset Management GmbH11,755$1.15M0.00%+11,755New
Paradigm Capital Management Inc11,600$1.14M0.08%−4,350−27.3%Reduced
Korea Investment CORP11,600$1.14M0.00%+11,600New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.11,374$1.11M0.00%+8,672+320.9%Added
Bokf, NA11,277$1.10M0.02%−56−0.5%Reduced
Engineers Gate Manager LP11,240$1.10M0.04%+7,651+213.2%Added
Ensign Peak Advisors, Inc11,225$1.10M0.00%+11,225New
Pictet Asset Management SA10,975$1.08M0.00%+8,564+355.2%Added
Bayesian Capital Management, LP10,947$1.07M0.20%+10,947New
Campbell & CO Investment Adviser LLC10,924$1.07M0.29%+10,924New
Arizona State Retirement System10,727$1.05M0.01%+361+3.5%Added
Neuberger Berman Group LLC10,425$1.02M0.00%+10.0%Added
AXA S.A.10,239$1.00M0.00%−10,461−50.5%Reduced
Martingale Asset Management L P10,096$990.0K0.02%−94−0.9%Reduced
L2 Asset Management, LLC9,992$979.0K0.71%+2,066+26.1%Added
Skandinaviska Enskilda Banken AB (publ)9,900$970.0K0.01%+9,900New
Illinois Municipal Retirement Fund9,846$965.0K0.02%+4,958+101.4%Added
Robeco Institutional Asset Management B.V.9,738$956.0K0.00%+9,108+1,445.7%Added
Centaurus Financial, Inc.9,741$955.0K0.09%+17+0.2%Added
Alpha DNA Investment Management LLC9,535$933.0K0.83%+9,535New
Bowling Portfolio Management LLC9,424$924.0K0.23%+141+1.5%Added
Great West Life Assurance Co9,420$924.0K0.00%+6,240+196.2%Added
Hussman Strategic Advisors, Inc.9,300$912.0K0.16%+9,300New
Kingsview Wealth Management, LLC8,891$871.0K0.04%+6,313+244.9%Added
KBC Group NV8,774$860.0K0.00%+3,977+82.9%Added
Empirical Finance, LLC8,709$854.0K0.11%+3,515+67.7%Added
Toronto Dominion Bank8,574$841.0K0.00%+8,574New
Nomura Asset Management Co Ltd8,403$823.7K0.01%+8,183+3,719.5%Added
Quantinno Capital Management LP8,193$803.0K0.12%+127+1.6%Added
Sagefield Capital LP8,120$796.0K0.36%+1,598+24.5%Added
Oregon Public Employees Retirement Fund8,100$794.0K0.01%+8,100New
Recurrent Investment Advisors LLC7,925$777.0K0.24%00.0%Unchanged
JustInvest LLC7,773$762.0K0.04%+479+6.6%Added
Bradley Foster & Sargent Inc7,654$750.0K0.02%−2,462−24.3%Reduced
Schroder Investment Management Group7,650$749.0K0.00%−59,945−88.7%Reduced
Pettee Investors, Inc.6,711$658.0K0.33%00.0%Unchanged
IFM Investors Pty Ltd6,698$657.0K0.01%+6,698New
Crossmark Global Holdings, Inc.6,620$649.0K0.02%+630+10.5%Added
Amalgamated Bank6,326$620.0K0.01%−46−0.7%Reduced
Aigen Investment Management, LP6,254$613.0K0.10%+6,254New
Handelsbanken Fonder AB6,200$608.0K0.00%00.0%Unchanged
Valeo Financial Advisors, LLC6,029$591.0K0.04%+6,029New
Utah Retirement Systems5,988$587.0K0.01%00.0%Unchanged
Vestcor Inc5,982$586.0K0.02%+5,910+8,208.3%Added
GWM Advisors LLC5,868$575.0K0.01%+5,868New
SevenOneSeven Capital Management5,852$574.0K1.33%+8+0.1%Added