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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
Xponance, Inc.4,527$464.2K0.01%+4,527New
Raymond James & Associates4,398$450.9K0.00%+413+10.4%Added
Nissay Asset Management Corp4,370$448.1K0.00%−312−6.7%Reduced
Mount Lucas Management LP4,354$446.5K0.15%−160−3.5%Reduced
Teacher Retirement System of Texas4,354$446.0K0.00%−21,020−82.8%Reduced
Captrust Financial Advisors4,237$434.5K0.00%−310−6.8%Reduced
APG Asset Management N.V.4,235$434.0K0.00%−3,765−47.1%Reduced
CIBC Asset Management Inc4,162$426.8K0.00%−1,931−31.7%Reduced
Toroso Investments, LLC4,091$419.0K0.02%+474+13.1%Added
AdvisorShares Investments LLC4,013$411.5K0.12%+4,013New
Kennedy Capital Management, Inc.3,951$405.1K0.01%−360−8.4%Reduced
Cubist Systematic Strategies, LLC3,919$401.9K0.00%−78,278−95.2%Reduced
SG Americas Securities, LLC3,887$399.0K0.01%−1,618−29.4%Reduced
Atria Wealth Solutions, Inc.3,670$376.3K0.01%+16+0.4%Added
Westover Capital Advisors, LLC3,577$366.8K0.14%+3,577New
Westpac Banking Corp3,454$354.2K0.01%−1,370−28.4%Reduced
British Columbia Investment Management Corp3,396$348.2K0.00%−373−9.9%Reduced
SevenOneSeven Capital Management3,391$347.7K0.75%−176−4.9%Reduced
BTC Capital Management, Inc.3,385$347.1K0.04%−1,290−27.6%Reduced
Alps Advisors Inc3,352$343.7K0.00%−20−0.6%Reduced
Meixler Investment Management, Ltd.3,337$342.2K0.34%+3,337New
DekaBank Deutsche Girozentrale3,293$339.0K0.00%−15,762−82.7%Reduced
Standard Life Aberdeen plc3,239$332.1K0.00%+191+6.3%Added
Northwestern Mutual Investment Management Company, LLC3,186$326.7K0.01%+3,186New
Securian Asset Management, Inc3,158$323.8K0.01%+3,158New
Qube Research & Technologies Ltd3,152$323.2K0.00%−72,674−95.8%Reduced
TD Asset Management Inc3,130$320.9K0.00%+210+7.2%Added
Yorktown Management & Research Co Inc3,050$312.7K0.38%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.3,008$308.0K0.02%−439−12.7%Reduced
Oppenheimer & Co Inc2,976$305.2K0.01%+119+4.2%Added
Clear Street Markets LLC2,927$300.0K0.06%+2,927New
Crossmark Global Holdings, Inc.2,922$299.0K0.01%−3,551−54.9%Reduced
National Bank of Canada2,867$293.9K0.00%+565+24.5%Added
Maryland State Retirement & Pension System2,848$292.0K0.01%+2,848New
Synovus Financial Corp2,818$289.0K0.00%+43+1.5%Added
Blueshift Asset Management, LLC2,807$287.8K0.13%+2,807New
Prospera Financial Services Inc2,753$282.3K0.01%+2,753New
Grey Fox Wealth Advisors, LLC2,698$276.7K0.18%+2,698New
Raymond James Financial Services Advisors, Inc.2,608$267.4K0.00%+185+7.6%Added
Investors Research Corp2,550$261.5K0.07%00.0%Unchanged
Colony Group LLC2,507$257.0K0.00%00.0%Unchanged
CSS LLC2,500$256.4K0.02%−500−16.7%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd2,293$235.1K0.00%+2,293New
3Chopt Investment Partners, LLC2,290$234.8K0.13%+2,290New
Brown Advisory Inc2,270$232.8K0.00%+2,270New
Commonwealth Equity Services, LLC2,248$230.0K0.00%+2,248New
US Bancorp2,223$227.9K0.00%−172−7.2%Reduced
PGGM Investments2,203$226.0K0.00%00.0%Unchanged
Nordea Investment Management AB2,199$224.7K0.00%−341−13.4%Reduced
Two Sigma Securities, LLC2,115$216.9K0.03%+2,115New
Kistler-Tiffany Companies, LLC2,059$211.1K0.04%+1,763+595.6%Added
Daiwa Securities Group Inc.2,024$208.0K0.00%00.0%Unchanged
Eagle Global Advisors LLC2,000$205.1K0.01%+2,000New
Forum Financial Management, LP1,961$201.1K0.01%+1,961New
Alpha Paradigm Partners, LLC1,947$200.0K0.08%00.0%Unchanged
The PNC Financial Services Group, Inc.1,658$170.0K0.00%−176−9.6%Reduced
Covestor Ltd1,527$157.0K0.13%−39−2.5%Reduced
Federation des caisses Desjardins du Quebec1,530$156.9K0.00%+835+120.1%Added
Northwestern Mutual Wealth Management Co1,469$150.6K0.00%+11+0.8%Added
Royal London Asset Management Ltd1,453$149.0K0.00%−24,270−94.4%Reduced
Neo Ivy Capital Management1,428$146.0K0.10%+1,428New
Altshuler Shaham Ltd1,026$105.2K0.00%+824+407.9%Added
Banque Cantonale Vaudoise1,000$103.0K0.01%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.979$101.0K0.00%−4−0.4%Reduced
Tower Research Capital LLC (TRC)964$99.0K0.00%+720+295.1%Added
Itau Unibanco Holding S.A.886$90.8K0.00%+886New
AlphaCentric Advisors LLC841$86.2K0.09%+127+17.8%Added
Quadrant Capital Group LLC734$75.3K0.01%+167+29.5%Added
Ossiam703$72.1K0.00%00.0%Unchanged
Chiron Investment Management, LLC682$69.9K0.02%00.0%Unchanged
Advisory Services Network, LLC677$69.4K0.00%−2,204−76.5%Reduced
Macquarie Group Ltd643$65.9K0.00%00.0%Unchanged
Seeyond590$60.5K0.01%−4,453−88.3%Reduced
Exchange Traded Concepts, LLC456$46.8K0.00%−130−22.2%Reduced
Ci Investments Inc.452$46.0K0.00%−3,612−88.9%Reduced
Parallel Advisors, LLC444$45.6K0.00%+37+9.1%Added
Rockefeller Capital Management L.P.452$45.0K0.00%−64−12.4%Reduced
Wahed Invest LLC431$44.2K0.02%+48+12.5%Added
Smithfield Trust Co379$39.0K0.00%00.0%Unchanged
Arcadia Investment Management Corp350$35.9K0.01%00.0%Unchanged
Gyon Technologies Capital Management, LP313$32.1K0.01%+313New
Pathway Financial Advisers, LLC276$28.3K0.01%+276New
Harvest Fund Management Co., Ltd275$28.0K0.01%−103−27.2%Reduced
Antipodes Partners Ltd261$26.0K0.00%+261New
Proequities, Inc.225$23.1K0.00%−133−37.2%Reduced
TCI Wealth Advisors, Inc.194$19.9K0.00%00.0%Unchanged
Accurate Wealth Management, LLC175$19.4K0.01%+175New
First Horizon Advisors, Inc.188$19.3K0.00%+188New
CVA Family Office, LLC180$18.5K0.00%+10+5.9%Added
Private Trust Co NA170$17.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC159$16.3K0.00%−36−18.5%Reduced
Beacon Capital Management, LLC155$15.9K0.01%+155New
Signaturefd, LLC139$14.3K0.00%−36−20.6%Reduced
CWM, LLC129$13.0K0.00%+34+35.8%Added
Hantz Financial Services, Inc.131$13.0K0.00%+131New
CoreCap Advisors, LLC123$12.6K0.00%+123New
Distillate Capital Partners LLC109$11.2K1.04%−67,140−99.8%Reduced
Jackson, Grant Investment Advisers, Inc.109$11.2K0.01%00.0%Unchanged
First Eagle Investment Management, LLC106$10.9K0.00%00.0%Unchanged
Worth Asset Management, LLC101$10.3K0.01%00.0%Unchanged