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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
Cubist Systematic Strategies, LLC97,007$9.51M0.07%+32,726+50.9%Added
Sprott Inc.100,000$9.80M0.91%−10,000−9.1%Reduced
Bornite Capital Management LP100,000$9.80M3.22%+100,000New
Qube Research & Technologies Ltd100,741$9.88M0.08%+100,741New
JPMorgan Chase & Co106,702$10.5M0.00%+52,155+95.6%Added
Sumitomo Mitsui Trust Holdings, Inc.107,599$10.5M0.01%+98,348+1,063.1%Added
Schonfeld Strategic Advisors LLC112,223$11.0M0.12%+105,795+1,645.8%Added
Panagora Asset Management Inc120,917$11.9M0.08%−56,128−31.7%Reduced
Verition Fund Management LLC120,985$11.9M0.26%+69,632+135.6%Added
Cookson Peirce & Co Inc127,126$12.5M0.86%+127,126New
Cantor Fitzgerald, L. P.127,904$12.5M0.25%+127,904New
Man Group plc–$12.9M0.06%––
Glenmede Trust Co NA132,902$13.0M0.08%−1,786−1.3%Reduced
Citadel Advisors LLC136,639$13.4M0.02%−70,317−34.0%Reduced
Duquesne Family Office LLCSuperinvestorDuquesne Family Office145,520$14.3M1.04%+145,520New
Guggenheim Capital LLC145,825$14.3M0.11%−1,557−1.1%Reduced
Jacobs Levy Equity Management, Inc148,460$14.6M0.11%−77,681−34.4%Reduced
Invesco Ltd.157,501$15.4M0.00%+41,960+36.3%Added
Wellington Management Group LLP159,842$15.7M0.00%−22,403−12.3%Reduced
Scopus Asset Management, L.P.164,997$16.2M1.30%−61,753−27.2%Reduced
Swiss National Bank166,800$16.4M0.01%+76,200+84.1%Added
Barclays PLC193,730$19.0M0.02%+104,920+118.1%Added
BNP Paribas Arbitrage, SA198,795$19.5M0.04%+94,093+89.9%Added
Scout Investments, Inc.210,428$20.6M0.41%−46,165−18.0%Reduced
Legal & General Group Plc212,411$20.8M0.01%+41,990+24.6%Added
UBS Asset Management Americas Inc218,328$21.4M0.01%−20,394−8.5%Reduced
Northern Trust Corp222,640$21.8M0.00%+44,364+24.9%Added
Bank of New York Mellon Corp223,691$21.9M0.01%−19,555−8.0%Reduced
Robotti Robert230,381$22.6M5.52%+567+0.2%Added
Arrowstreet Capital, Limited Partnership277,218$27.2M0.04%+265,532+2,272.2%Added
Janus Henderson Group PLC283,111$27.8M0.02%−52,828−15.7%Reduced
Wells Fargo & Company297,818$29.2M0.01%+27,284+10.1%Added
Charles Schwab Investment Management Inc316,223$31.0M0.01%+11,311+3.7%Added
Allspring Global Investments Holdings, LLC385,430$37.8M0.06%−30,296−7.3%Reduced
Fort Pitt Capital Group, LLC400,569$39.3M1.71%−45,789−10.3%Reduced
AQR Capital Management LLC413,936$40.6M0.09%−110,662−21.1%Reduced
Geode Capital Management, LLC443,614$43.4M0.01%+19,693+4.6%Added
Nuveen Asset Management, LLC518,359$50.8M0.02%−56,891−9.9%Reduced
Norges Bank528,838$51.8M0.01%+190,898+56.5%Added
Prudential Financial Inc540,549$53.0M0.08%−283,731−34.4%Reduced
Pacer Advisors, Inc.544,520$53.4M0.40%+244,242+81.3%Added
Mirae Asset Global Investments Co., Ltd.617,081$60.5M0.15%−91,300−12.9%Reduced
Morgan Stanley660,576$64.8M0.01%+200,698+43.6%Added
Acadian Asset Management LLC686,301$67.3M0.34%−149,725−17.9%Reduced
State Street Corp707,543$69.4M0.00%+168,840+31.3%Added
Goldman Sachs Group Inc830,404$81.4M0.02%+35,639+4.5%Added
First Trust Advisors LP891,266$87.4M0.11%+88,759+11.1%Added
Federated Hermes, Inc.892,441$87.5M0.24%−404,859−31.2%Reduced
Bank of America Corp939,845$92.1M0.01%+498,512+113.0%Added
Soroban Capital Partners LP2,000,000$196.0M1.72%+226,275+12.8%Added
BlackRock Inc.2,071,147$203.0M0.01%+512,042+32.8%Added
Dimensional Fund Advisors LP2,277,403$223.2M0.08%−2,194−0.1%Reduced
Victory Capital Management Inc2,849,190$279.3M0.32%−1,193,667−29.5%Reduced
FMR LLC2,978,839$292.0M0.03%+1,248,590+72.2%Added
Vanguard Group Inc3,615,079$354.4M0.01%−421,122−10.4%Reduced
Adage Capital Partners GP, L.L.C.0$00.00%−150,000−100.0%Sold out
Brandes Investment Partners, LP0$00.00%−98,786−100.0%Sold out
Marshall Wace, LLP0$00.00%−88,325−100.0%Sold out
Luminus Management LLC0$00.00%−79,900−100.0%Sold out
Trexquant Investment LP0$00.00%−52,484−100.0%Sold out
Grantham, Mayo, Van Otterloo & Co. LLC0$00.00%−50,670−100.0%Sold out
SG Capital Management LLC0$00.00%−44,496−100.0%Sold out
CIBC World Markets Inc.0$00.00%−33,336−100.0%Sold out
Bank of Nova Scotia0$00.00%−25,256−100.0%Sold out
Caas Capital Management LP0$00.00%−24,451−100.0%Sold out
Appian Way Asset Management LP0$00.00%−16,000−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−14,790−100.0%Sold out
SIR Capital Management, L.P.0$00.00%−12,000−100.0%Sold out
HN Saltoro Capital, LP0$00.00%−12,000−100.0%Sold out
Jade Capital Advisors, LLC0$00.00%−10,000−100.0%Sold out
CWM Advisors, LLC0$00.00%−8,761−100.0%Sold out
FORA Capital, LLC0$00.00%−8,057−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−7,591−100.0%Sold out
Centiva Capital, LP0$00.00%−6,069−100.0%Sold out
Donald L. Hagan, LLC0$00.00%−5,974−100.0%Sold out
Algert Global LLC0$00.00%−5,561−100.0%Sold out
WBI Investments0$00.00%−5,067−100.0%Sold out
Bank of Montreal0$00.00%−4,357−100.0%Sold out
Corton Capital Inc.0$00.00%−4,130−100.0%Sold out
Paloma Partners Management Co0$00.00%−3,953−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−3,743−100.0%Sold out
Wolverine Trading, LLC0$00.00%−3,332−100.0%Sold out
Alpha Square Group S, LLC0$00.00%−3,270−100.0%Sold out
Fractal Investments LLC0$00.00%−3,021−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−3,003−100.0%Sold out
Delphia (USA) Inc.0$00.00%−2,885−100.0%Sold out
Paradigm Asset Management Co LLC0$00.00%−2,800−100.0%Sold out
Aaron Wealth Advisors0$00.00%−39,488−100.0%Sold out
Colony Group LLC0$00.00%−2,490−100.0%Sold out
Keybank National Association0$00.00%−2,466−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−2,335−100.0%Sold out
William Blair Investment Management, LLC0$00.00%−2,324−100.0%Sold out
ProShare Advisors LLC0$00.00%−2,032−100.0%Sold out
Bourgeon Capital Management LLC0$00.00%−2,000−100.0%Sold out
Forum Financial Management, LP0$00.00%−1,961−100.0%Sold out
Aptus Capital Advisors, LLC0$00.00%−1,941−100.0%Sold out
Guardian Wealth Advisors, LLC0$00.00%−1,941−100.0%Sold out
Wetherby Asset Management Inc0$00.00%−1,940−100.0%Sold out
Corient Capital Partners, LLC0$00.00%−1,764−100.0%Sold out
Greenleaf Trust0$00.00%−1,750−100.0%Sold out