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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
Allworth Financial LP5$00.00%−217−97.7%Reduced
AdvisorNet Financial, Inc2$00.00%00.0%Unchanged
Capital Advisors, Ltd. LLC3$00.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co3$00.00%+3New
Wolff Wiese Magana LLC5$00.00%+5New
Raffa Wealth Management, LLC9$8820.00%00.0%Unchanged
Castleview Partners, LLC8$8880.00%+8New
Loomis Sayles & Co L P14$1.00K0.00%−32−69.6%Reduced
Fifth Third Bancorp6$1.00K0.00%−26−81.3%Reduced
Sound Income Strategies, LLC15$1.00K0.00%00.0%Unchanged
Your Advocates Ltd., LLP10$1.00K0.00%+5+100.0%Added
Bellwether Advisors, LLC13$1.00K0.00%00.0%Unchanged
Quent Capital, LLC7$1.00K0.00%00.0%Unchanged
Covington Capital Management7$1.00K0.00%+7New
First Horizon Advisors, Inc.7$1.00K0.00%+7New
Ronald Blue Trust, Inc.7$1.00K0.00%+7New
Plante Moran Financial Advisors, LLC25$2.00K0.00%00.0%Unchanged
Lindbrook Capital, LLC20$2.00K0.00%−6−23.1%Reduced
Clearstead Advisors, LLC19$2.00K0.00%00.0%Unchanged
NewSquare Capital LLC17$2.00K0.00%00.0%Unchanged
Disciplined Investments, LLC16$2.00K0.00%+4+33.3%Added
Schubert & Co23$2.00K0.00%+11+91.7%Added
First Eagle Investment Management, LLC22$2.00K0.00%+22New
Curi Capital20$2.00K0.00%+20New
Heritage Wealth Management, LLC25$2.45K0.00%00.0%Unchanged
Steward Financial Group LLC36$3.00K0.00%00.0%Unchanged
Benjamin Edwards Inc43$4.00K0.00%00.0%Unchanged
Parkside Financial Bank & Trust54$5.00K0.00%+36+200.0%Added
Bell Investment Advisors, Inc55$5.00K0.00%+55New
Anchor Investment Management, LLC52$5.10K0.00%+52New
Meeder Asset Management Inc57$6.00K0.00%00.0%Unchanged
Glassman Wealth Services65$6.00K0.00%+41+170.8%Added
Massmutual Trust Co FSB73$7.00K0.00%+3+4.3%Added
JFS Wealth Advisors, LLC75$7.00K0.00%+39+108.3%Added
Harbour Investments, Inc.69$7.00K0.00%+69New
Core Alternative Capital86$8.00K0.00%+21+32.3%Added
Venture Visionary Partners LLC87$8.53K0.00%+87New
Tower Research Capital LLC (TRC)94$9.00K0.00%−5,698−98.4%Reduced
Ellevest, Inc.91$9.00K0.00%+91New
Hillsdale Investment Management Inc.100$10.0K0.00%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.109$11.0K0.01%00.0%Unchanged
Macroview Investment Management LLC113$11.0K0.02%+113New
Crewe Advisors LLC113$11.0K0.00%+113New
Bessemer Group Inc138$13.0K0.00%+113+452.0%Added
American Portfolios Advisors140$13.7K0.00%00.0%Unchanged
CVA Family Office, LLC150$15.0K0.00%+35+30.4%Added
Fred Alger Management, LLC158$15.0K0.00%+158New
Achmea Investment Management B.V.155$16.0K0.00%+155New
Alpha Paradigm Partners, LLC160$16.0K0.01%+160New
Brown Brothers Harriman & Co175$17.0K0.00%00.0%Unchanged
Private Trust Co NA178$17.0K0.00%+178New
Worth Asset Management, LLC201$20.0K0.01%−20−9.0%Reduced
Proequities, Inc.201$20.0K0.00%+1+0.5%Added
Deseret Mutual Benefit Administrators199$20.0K0.00%00.0%Unchanged
Huntington National Bank208$20.0K0.00%+122+141.9%Added
TCI Wealth Advisors, Inc.212$21.0K0.00%−15−6.6%Reduced
Rockefeller Capital Management L.P.226$21.0K0.00%+90+66.2%Added
Altshuler Shaham Ltd241$24.0K0.00%−1,567−86.7%Reduced
Steward Partners Investment Advisory, LLC274$27.0K0.00%−14−4.9%Reduced
Larson Financial Group LLC277$27.0K0.00%+277New
Signaturefd, LLC293$29.0K0.00%−10−3.3%Reduced
American International Group, Inc.345$34.0K0.00%−58−14.4%Reduced
Arcadia Investment Management Corp350$34.0K0.01%00.0%Unchanged
Wahed Invest LLC349$34.0K0.02%+349New
IFP Advisors, Inc309$36.0K0.00%−303−49.5%Reduced
FourThought Financial, LLC428$42.0K0.01%−17−3.8%Reduced
Patriot Financial Group Insurance Agency, LLC431$42.0K0.01%+43+11.1%Added
Parallel Advisors, LLC473$46.0K0.00%−5−1.0%Reduced
CoreCap Advisors, LLC513$50.0K0.00%+513New
Leonteq Securities AG640$62.7K0.00%−65−9.2%Reduced
Zions Bancorporation, N.A.645$63.0K0.01%+6+0.9%Added
CWM, LLC682$67.0K0.00%+672+6,720.0%Added
MetLife Investment Management695$68.1K0.00%−263−27.5%Reduced
Quadrant Capital Group LLC700$69.0K0.01%+85+13.8%Added
Harvest Fund Management Co., Ltd897$88.0K0.02%00.0%Unchanged
Itau Unibanco Holding S.A.944$93.0K0.00%−693−42.3%Reduced
Globeflex Capital L P1,003$98.0K0.02%00.0%Unchanged
Banque Cantonale Vaudoise1,000$98.0K0.01%+1,000New
Covestor Ltd1,139$112.0K0.09%−281−19.8%Reduced
C M Bidwell & Associates Ltd1,238$121.0K0.10%−10−0.8%Reduced
Convergence Investment Partners, LLC1,275$125.0K0.08%+46+3.7%Added
The PNC Financial Services Group, Inc.1,445$142.0K0.00%−11,147−88.5%Reduced
USA Financial Portformulas Corp1,637$160.0K0.20%+1,637New
State of Wyoming1,686$165.0K0.10%+720+74.5%Added
Group One Trading, L.P.1,783$175.0K0.00%+1,257+239.0%Added
Daiwa Securities Group Inc.2,024$198.0K0.00%+2,024New
Boothbay Fund Management, LLC2,045$200.0K0.01%+2,045New
Brown Advisory Inc2,070$203.0K0.00%−30−1.4%Reduced
Advisory Services Network, LLC2,064$203.0K0.01%+2,064New
Smithfield Trust Co2,094$205.0K0.01%+500+31.4%Added
Nordea Investment Management AB2,124$205.0K0.00%+2,124New
Krane Funds Advisors LLC2,106$206.0K0.01%−1,376−39.5%Reduced
Toroso Investments, LLC2,119$208.0K0.01%+2,119New
Eagle Global Advisors LLC2,178$213.0K0.02%00.0%Unchanged
Diametric Capital, LP2,212$217.0K0.16%+2,212New
HighTower Advisors, LLC2,256$221.0K0.00%−17,104−88.3%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd2,268$222.0K0.01%+2,268New
Winton Group Ltd2,296$225.0K0.01%−5,380−70.1%Reduced
Commonwealth Equity Services, LLC2,296$225.0K0.00%+634+38.1%Added
Oppenheimer & Co Inc2,323$228.0K0.00%+2,323New