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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, Q4 2022

Institutional positions in Westlake Corp as of Dec 31, 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
344
+32 vs. Q3 2022
Shares held
36.4M
+1.54M (+4.4%) vs. Q3 2022
Total value
$3.73B
+$703.7M (+23.2%) vs. Q3 2022
New holders
74
105 more added
Sold out
42
118 more reduced

9 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2022: 344 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 heldQ4 2022: $3.73B
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, Q4 2022

Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2022.

Institutions holding WLK in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ronald Blue Trust, Inc.10$00.00%+5+100.0%Added
Sutton Wealth Advisors Inc.2$2050.00%+2New
True Wealth Design, LLC3$3080.00%+3New
Tfo-TDC, LLC3$3760.00%+3New
Glassman Wealth Services4$4100.00%−18−81.8%Reduced
Zions Bancorporation, N.A.5$5130.00%00.0%Unchanged
Your Advocates Ltd., LLP5$5130.00%00.0%Unchanged
Farther Finance Advisors, LLC6$6150.00%+6New
SRS Capital Advisors, Inc.7$7180.00%00.0%Unchanged
Raffa Wealth Management, LLC9$9230.00%00.0%Unchanged
GWM Advisors LLC206$9430.00%+206New
Capital Advisors, Ltd. LLC7$1.00K0.00%−4−36.4%Reduced
American National Bank12$1.00K0.00%+12New
EverSource Wealth Advisors, LLC10$1.02K0.00%00.0%Unchanged
Disciplined Investments, LLC11$1.13K0.00%−4−26.7%Reduced
McElhenny Sheffield Capital Management, LLC11$1.13K0.00%+11New
My Personal CFO, LLC12$1.23K0.00%+12New
Bellwether Advisors, LLC13$1.33K0.00%00.0%Unchanged
Colonial Trust Co13$1.34K0.00%+13New
Sound Income Strategies, LLC15$1.54K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc15$1.54K0.00%+15New
SJS Investment Consulting Inc.16$1.64K0.00%+4+33.3%Added
AdvisorNet Financial, Inc17$1.74K0.00%−8−32.0%Reduced
NewSquare Capital LLC17$1.74K0.00%00.0%Unchanged
RFP Financial Group LLC21$2.15K0.00%+21New
Lindbrook Capital, LLC23$2.36K0.00%−83−78.3%Reduced
Schubert & Co24$2.46K0.00%−4−14.3%Reduced
Creative Planning26$2.67K0.00%+26New
Crewe Advisors LLC27$2.77K0.00%−86−76.1%Reduced
Parkside Financial Bank & Trust28$2.87K0.00%−3−9.7%Reduced
Simplex Trading, LLC41$4.00K0.00%−4,641−99.1%Reduced
Loomis Sayles & Co L P39$4.00K0.00%+24+160.0%Added
JFS Wealth Advisors, LLC40$4.10K0.00%+8+25.0%Added
Fifth Third Bancorp41$4.20K0.00%+41New
Quent Capital, LLC47$4.82K0.00%+40+571.4%Added
Heritage Wealth Management, LLC50$5.13K0.00%+25+100.0%Added
Anchor Investment Management, LLC52$5.33K0.00%00.0%Unchanged
Belpointe Asset Management LLC54$5.54K0.00%+54New
Bell Investment Advisors, Inc67$6.87K0.00%+6+9.8%Added
BI Asset Management Fondsmaeglerselskab A/S70$7.00K0.00%+70New
Harbour Investments, Inc.69$7.08K0.00%00.0%Unchanged
Massmutual Trust Co FSB81$8.00K0.00%+11+15.7%Added
Core Alternative Capital86$8.83K0.00%00.0%Unchanged
Deseret Mutual Benefit Administrators90$9.23K0.00%−109−54.8%Reduced
Worth Asset Management, LLC101$10.3K0.01%00.0%Unchanged
First Eagle Investment Management, LLC106$10.9K0.00%00.0%Unchanged
Distillate Capital Partners LLC109$11.2K1.04%−67,140−99.8%Reduced
Jackson, Grant Investment Advisers, Inc.109$11.2K0.01%00.0%Unchanged
CoreCap Advisors, LLC123$12.6K0.00%+123New
CWM, LLC129$13.0K0.00%+34+35.8%Added
Hantz Financial Services, Inc.131$13.0K0.00%+131New
Signaturefd, LLC139$14.3K0.00%−36−20.6%Reduced
Beacon Capital Management, LLC155$15.9K0.01%+155New
Steward Partners Investment Advisory, LLC159$16.3K0.00%−36−18.5%Reduced
Private Trust Co NA170$17.0K0.00%00.0%Unchanged
CVA Family Office, LLC180$18.5K0.00%+10+5.9%Added
First Horizon Advisors, Inc.188$19.3K0.00%+188New
Accurate Wealth Management, LLC175$19.4K0.01%+175New
TCI Wealth Advisors, Inc.194$19.9K0.00%00.0%Unchanged
Proequities, Inc.225$23.1K0.00%−133−37.2%Reduced
Antipodes Partners Ltd261$26.0K0.00%+261New
Harvest Fund Management Co., Ltd275$28.0K0.01%−103−27.2%Reduced
Pathway Financial Advisers, LLC276$28.3K0.01%+276New
Gyon Technologies Capital Management, LP313$32.1K0.01%+313New
Arcadia Investment Management Corp350$35.9K0.01%00.0%Unchanged
Smithfield Trust Co379$39.0K0.00%00.0%Unchanged
Wahed Invest LLC431$44.2K0.02%+48+12.5%Added
Rockefeller Capital Management L.P.452$45.0K0.00%−64−12.4%Reduced
Parallel Advisors, LLC444$45.6K0.00%+37+9.1%Added
Ci Investments Inc.452$46.0K0.00%−3,612−88.9%Reduced
Exchange Traded Concepts, LLC456$46.8K0.00%−130−22.2%Reduced
Seeyond590$60.5K0.01%−4,453−88.3%Reduced
Macquarie Group Ltd643$65.9K0.00%00.0%Unchanged
Advisory Services Network, LLC677$69.4K0.00%−2,204−76.5%Reduced
Chiron Investment Management, LLC682$69.9K0.02%00.0%Unchanged
Ossiam703$72.1K0.00%00.0%Unchanged
Quadrant Capital Group LLC734$75.3K0.01%+167+29.5%Added
AlphaCentric Advisors LLC841$86.2K0.09%+127+17.8%Added
Itau Unibanco Holding S.A.886$90.8K0.00%+886New
Tower Research Capital LLC (TRC)964$99.0K0.00%+720+295.1%Added
Harel Insurance Investments & Financial Services Ltd.979$101.0K0.00%−4−0.4%Reduced
Banque Cantonale Vaudoise1,000$103.0K0.01%00.0%Unchanged
Altshuler Shaham Ltd1,026$105.2K0.00%+824+407.9%Added
Neo Ivy Capital Management1,428$146.0K0.10%+1,428New
Royal London Asset Management Ltd1,453$149.0K0.00%−24,270−94.4%Reduced
Northwestern Mutual Wealth Management Co1,469$150.6K0.00%+11+0.8%Added
Federation des caisses Desjardins du Quebec1,530$156.9K0.00%+835+120.1%Added
Covestor Ltd1,527$157.0K0.13%−39−2.5%Reduced
The PNC Financial Services Group, Inc.1,658$170.0K0.00%−176−9.6%Reduced
Alpha Paradigm Partners, LLC1,947$200.0K0.08%00.0%Unchanged
Forum Financial Management, LP1,961$201.1K0.01%+1,961New
Eagle Global Advisors LLC2,000$205.1K0.01%+2,000New
Daiwa Securities Group Inc.2,024$208.0K0.00%00.0%Unchanged
Kistler-Tiffany Companies, LLC2,059$211.1K0.04%+1,763+595.6%Added
Two Sigma Securities, LLC2,115$216.9K0.03%+2,115New
Nordea Investment Management AB2,199$224.7K0.00%−341−13.4%Reduced
PGGM Investments2,203$226.0K0.00%00.0%Unchanged
US Bancorp2,223$227.9K0.00%−172−7.2%Reduced
Commonwealth Equity Services, LLC2,248$230.0K0.00%+2,248New
Brown Advisory Inc2,270$232.8K0.00%+2,270New