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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, Q1 2024

Institutional positions in Westlake Corp as of Mar 31, 2024. 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
347
−8 vs. Q4 2023
Shares held
34.8M
−1.23M (−3.4%) vs. Q4 2023
Total value
$5.29B
+$250.9M (+5.0%) vs. Q4 2023
New holders
45
121 more added
Sold out
53
119 more reduced

2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 347 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 heldQ1 2024: $5.29B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q4 2023.

Institutions holding WLK in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Financial Management Professionals, Inc.2$00.00%00.0%Unchanged
TFC Financial Management1$1530.00%+1New
Abound Wealth Management1$1560.00%00.0%Unchanged
Tfo-TDC, LLC2$3060.00%00.0%Unchanged
Sachetta, LLC4$5600.00%00.0%Unchanged
Ronald Blue Trust, Inc.4$6110.00%+4New
Quest Partners LLC4$6110.00%+4New
Valued Wealth Advisors LLC4$6120.00%+4New
True Wealth Design, LLC5$7640.00%+2+66.7%Added
Allworth Financial LP6$9170.00%−4−40.0%Reduced
Raleigh Capital Management Inc.6$9170.00%+1+20.0%Added
Penserra Capital Management LLC9$1.00K0.00%−1,296−99.3%Reduced
Core Alternative Capital7$1.07K0.00%−100−93.5%Reduced
AdvisorNet Financial, Inc7$1.07K0.00%−21−75.0%Reduced
Raffa Wealth Management, LLC9$1.38K0.00%00.0%Unchanged
Umb Bank N A9$1.38K0.00%+9New
DiNuzzo Private Wealth, Inc.9$1.38K0.00%00.0%Unchanged
Delos Wealth Advisors, LLC12$1.83K0.00%+12New
Farmers & Merchants Investments Inc13$1.99K0.00%00.0%Unchanged
Sound Income Strategies, LLC15$2.29K0.00%00.0%Unchanged
SJS Investment Consulting Inc.19$2.90K0.00%+1+5.6%Added
Valley National Advisers Inc20$3.00K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC21$3.09K0.00%+1+5.0%Added
Bell Investment Advisors, Inc22$3.36K0.00%00.0%Unchanged
Larson Financial Group LLC23$3.51K0.00%−68−74.7%Reduced
First Horizon Advisors, Inc.24$3.67K0.00%+17+242.9%Added
Principal Securities, Inc.25$3.82K0.00%00.0%Unchanged
Lindbrook Capital, LLC26$3.97K0.00%00.0%Unchanged
Bessemer Group Inc29$4.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC29$4.00K0.00%+1+3.6%Added
Parkside Financial Bank & Trust28$4.28K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC31$4.74K0.00%00.0%Unchanged
Massmutual Trust Co FSB31$4.74K0.00%+5+19.2%Added
Cetera Trust Company, N.A40$6.11K0.00%00.0%Unchanged
Smartleaf Asset Management LLC43$6.55K0.00%+2+4.9%Added
Zions Bancorporation, N.A.43$6.57K0.00%00.0%Unchanged
CoreFirst Bank & Trust50$7.64K0.00%00.0%Unchanged
Private Wealth Management Group, LLC51$7.79K0.00%00.0%Unchanged
Deseret Mutual Benefit Administrators62$9.47K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC70$10.7K0.00%+14+25.0%Added
Harbour Investments, Inc.83$12.7K0.00%00.0%Unchanged
EntryPoint Capital, LLC85$13.0K0.01%+85New
Private Trust Co NA90$13.8K0.00%00.0%Unchanged
Farther Finance Advisors, LLC92$14.2K0.00%+10+12.2%Added
Distillate Capital Partners LLC95$14.5K2.44%−2−2.1%Reduced
Quent Capital, LLC108$16.5K0.00%+1+0.9%Added
IFP Advisors, Inc111$17.0K0.00%+4+3.7%Added
Rise Advisors, LLC113$17.3K0.01%+113New
Gilliland Jeter Wealth Management LLC115$17.6K0.01%+115New
Jackson, Grant Investment Advisers, Inc.120$18.3K0.01%00.0%Unchanged
Steward Partners Investment Advisory, LLC125$19.1K0.00%−34−21.4%Reduced
CoreCap Advisors, LLC133$20.3K0.00%+133New
National Bank of Canada136$21.5K0.00%−2,385−94.6%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC156$23.8K0.00%+156New
Venturi Wealth Management, LLC163$24.9K0.00%−73−30.9%Reduced
CVA Family Office, LLC180$27.5K0.00%00.0%Unchanged
Covestor Ltd190$29.0K0.02%+2+1.1%Added
Signaturefd, LLC199$30.4K0.00%00.0%Unchanged
Proequities, Inc.200$30.6K0.00%00.0%Unchanged
Silicon Valley Capital Partners243$37.1K0.01%+1+0.4%Added
Continuum Advisory, LLC241$37.9K0.01%+241New
GAMMA Investing LLC269$41.1K0.01%00.0%Unchanged
Pathway Financial Advisers, LLC280$42.9K0.02%−68−19.5%Reduced
CWM, LLC337$52.0K0.00%+51+17.8%Added
Fifth Third Bancorp349$53.3K0.00%+13+3.9%Added
Arcadia Investment Management Corp350$53.5K0.01%00.0%Unchanged
Parallel Advisors, LLC353$53.9K0.00%+61+20.9%Added
Catalyst Funds Management Pty Ltd400$61.1K0.02%+400New
GWM Advisors LLC408$62.4K0.00%+25+6.5%Added
UniSuper Management Pty Ltd500$76.4K0.00%+200+66.7%Added
Ostrum Asset Management511$78.1K0.01%00.0%Unchanged
Wahed Invest LLC596$91.1K0.02%+48+8.8%Added
Macquarie Group Ltd837$127.9K0.00%00.0%Unchanged
Quadrant Capital Group LLC840$128.4K0.01%00.0%Unchanged
Degroof Petercam Asset Management1,200$183.4K0.00%00.0%Unchanged
MAI Capital Management1,311$200.3K0.00%+1,311New
United Capital Financial Advisers, LLC1,332$203.5K0.00%+1,332New
Avantax Advisory Services, Inc.1,358$207.5K0.00%+1,358New
Keybank National Association1,390$212.4K0.00%+1,390New
Meiji Yasuda Asset Management Co Ltd.1,391$212.5K0.01%+1,391New
Shelton Capital Management1,397$213.5K0.01%+1,397New
Grey Fox Wealth Advisors, LLC1,419$216.9K0.08%−151−9.6%Reduced
Trajan Wealth LLC1,429$218.4K0.01%+1,429New
M&T Bank Corp1,441$220.6K0.00%−85−5.6%Reduced
Clarius Group, LLC1,476$225.5K0.02%00.0%Unchanged
Bank of Nova Scotia1,494$228.4K0.00%−331−18.1%Reduced
Symmetry Partners, LLC1,500$229.0K0.02%00.0%Unchanged
Wetherby Asset Management Inc1,504$229.8K0.01%00.0%Unchanged
Astoria Portfolio Advisors LLC.1,500$229.8K0.09%+51+3.5%Added
Assenagon Asset Management S.A.1,506$230.1K0.00%+1,506New
Northwestern Mutual Wealth Management Co1,539$235.2K0.00%+17+1.1%Added
FourThought Financial Partners, LLC1,552$237.1K0.03%00.0%Unchanged
CIBC World Markets Corp1,574$240.5K0.00%+1,574New
Fractal Investments LLC1,600$244.5K0.04%00.0%Unchanged
Prelude Capital Management, LLC1,640$250.6K0.02%−761−31.7%Reduced
Ci Investments Inc.1,664$254.0K0.00%+206+14.1%Added
The PNC Financial Services Group, Inc.1,785$272.8K0.00%+26+1.5%Added
Tower Research Capital LLC (TRC)1,787$273.1K0.01%−2,527−58.6%Reduced
Utah Retirement Systems1,800$275.0K0.00%00.0%Unchanged
APG Asset Management N.V.1,951$276.0K0.00%00.0%Unchanged