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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, Q3 2024

Institutional positions in Westlake Corp as of Sep 30, 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
403
+23 vs. Q2 2024
Shares held
33.8M
+3.18M (+10.4%) vs. Q2 2024
Total value
$5.08B
+$644.6M (+14.5%) vs. Q2 2024
New holders
69
147 more added
Sold out
46
123 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 403 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 heldQ3 2024: $5.08B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2024.

Institutions holding WLK in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Financial Management Professionals, Inc.2$00.00%00.0%Unchanged
Global Retirement Partners, LLC1$1500.00%−6−85.7%Reduced
AdvisorNet Financial, Inc2$3010.00%−5−71.4%Reduced
Huntington National Bank2$3010.00%−2−50.0%Reduced
Claris Advisors, LLC4$6010.00%+4New
Sachetta, LLC4$6020.00%00.0%Unchanged
Valued Wealth Advisors LLC4$6020.00%00.0%Unchanged
Quest Partners LLC6$9020.00%−334−98.2%Reduced
Allworth Financial LP6$9020.00%00.0%Unchanged
Raleigh Capital Management Inc.6$9020.00%00.0%Unchanged
True Wealth Design, LLC6$9020.00%00.0%Unchanged
Penserra Capital Management LLC12$1.00K0.00%00.0%Unchanged
Picton Mahoney Asset Management8$1.00K0.00%+8New
IFP Advisors, Inc7$1.05K0.00%−110−94.0%Reduced
Core Alternative Capital7$1.05K0.00%00.0%Unchanged
Capital Performance Advisors LLP7$1.05K0.00%+7New
Raffa Wealth Management, LLC9$1.35K0.00%00.0%Unchanged
Assetmark, Inc9$1.35K0.00%+9New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10$1.50K0.00%+2+25.0%Added
Ashton Thomas Securities, LLC10$1.50K0.00%+10New
DiNuzzo Private Wealth, Inc.11$1.65K0.00%00.0%Unchanged
Thurston, Springer, Miller, Herd & Titak, Inc.12$1.80K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc13$1.95K0.00%00.0%Unchanged
Sound Income Strategies, LLC15$2.25K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC19$2.85K0.00%00.0%Unchanged
SJS Investment Consulting Inc.19$2.86K0.00%00.0%Unchanged
Principal Securities, Inc.20$3.01K0.00%+4+25.0%Added
CoreFirst Bank & Trust20$3.01K0.00%+20New
Bell Investment Advisors, Inc22$3.31K0.00%00.0%Unchanged
Lindbrook Capital, LLC26$3.91K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC26$3.91K0.00%+3+13.0%Added
Transamerica Financial Advisors, Inc.22$4.00K0.00%+22New
Bruce G. Allen Investments, LLC31$4.66K0.00%00.0%Unchanged
Larson Financial Group LLC32$4.81K0.00%00.0%Unchanged
Reuter James Wealth Management, LLC32$4.81K0.00%+32New
Capital Advisors, Ltd. LLC30$5.00K0.00%−1−3.2%Reduced
Hemington Wealth Management45$5.00K0.00%+45New
Zions Bancorporation, N.A.34$5.11K0.00%−9−20.9%Reduced
First Horizon Advisors, Inc.34$5.11K0.00%−2−5.6%Reduced
Parkside Financial Bank & Trust37$5.56K0.00%+9+32.1%Added
Cetera Trust Company, N.A40$6.01K0.00%00.0%Unchanged
Harbour Investments, Inc.43$6.46K0.00%−40−48.2%Reduced
Rothschild Investment LLC46$6.91K0.00%+1+2.2%Added
Bessemer Group Inc45$7.00K0.00%+16+55.2%Added
Trust Co of Vermont50$7.51K0.00%+50New
Private Wealth Management Group, LLC51$7.67K0.00%00.0%Unchanged
Massmutual Trust Co FSB51$7.67K0.00%+21+70.0%Added
Centerpoint Advisors, LLC50$8.00K0.00%+50New
Clearstead Advisors, LLC58$8.72K0.00%+58New
Deseret Mutual Benefit Administrators62$9.32K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.65$9.41K0.00%+24+58.5%Added
Morse Asset Management, Inc70$10.5K0.00%+70New
SRS Capital Advisors, Inc.71$10.7K0.00%+64+914.3%Added
JFS Wealth Advisors, LLC72$10.8K0.00%+2+2.9%Added
Umb Bank N A77$11.6K0.00%+62+413.3%Added
Bryn Mawr Trust Co79$11.9K0.00%+79New
Private Trust Co NA90$13.5K0.00%00.0%Unchanged
Covestor Ltd107$16.0K0.01%−75−41.2%Reduced
Steward Partners Investment Advisory, LLC110$16.5K0.00%−15−12.0%Reduced
Rise Advisors, LLC114$17.2K0.01%00.0%Unchanged
Gilliland Jeter Wealth Management LLC115$17.3K0.01%00.0%Unchanged
Farther Finance Advisors, LLC118$17.7K0.00%+21+21.6%Added
Jackson, Grant Investment Advisers, Inc.120$18.0K0.01%00.0%Unchanged
CoreCap Advisors, LLC123$18.5K0.00%+123New
Jones Financial Companies LLLP132$19.8K0.00%−12−8.3%Reduced
Quent Capital, LLC147$22.1K0.00%+39+36.1%Added
National Bank of Canada165$24.8K0.00%+6+3.8%Added
Mirae Asset Global Investments Co., Ltd.166$24.9K0.00%−929−84.8%Reduced
CVA Family Office, LLC180$27.1K0.00%−3−1.6%Reduced
Smartleaf Asset Management LLC181$27.2K0.00%+94+108.0%Added
Nisa Investment Advisors, LLC186$28.0K0.00%00.0%Unchanged
Proequities, Inc.200$30.1K0.00%−312−60.9%Reduced
Ostrum Asset Management209$31.4K0.00%+3+1.5%Added
Silicon Valley Capital Partners244$36.7K0.00%00.0%Unchanged
Signaturefd, LLC262$39.4K0.00%+1+0.4%Added
Continuum Advisory, LLC318$40.3K0.01%+96+43.2%Added
Pathway Financial Advisers, LLC282$42.4K0.02%00.0%Unchanged
Versant Capital Management, Inc288$43.3K0.01%+218+311.4%Added
Venturi Wealth Management, LLC299$44.9K0.00%+53+21.5%Added
GAMMA Investing LLC304$45.7K0.00%+24+8.6%Added
CWM, LLC347$52.0K0.00%−3−0.9%Reduced
Arcadia Investment Management Corp350$52.6K0.01%00.0%Unchanged
Fifth Third Bancorp397$59.7K0.00%+3+0.8%Added
Skopos Labs, Inc.410$61.6K0.02%+410New
Itau Unibanco Holding S.A.453$68.1K0.00%00.0%Unchanged
Group One Trading, L.P.460$69.1K0.00%+460New
nVerses Capital, LLC500$75.1K0.03%+500New
Parallel Advisors, LLC554$83.3K0.00%+153+38.2%Added
Point72 Asia (Singapore) Pte. Ltd.556$83.6K0.02%+556New
GWM Advisors LLC558$83.9K0.00%+150+36.8%Added
Aster Capital Management (DIFC) Ltd640$96.2K0.02%+640New
Wahed Invest LLC812$122.0K0.02%+170+26.5%Added
Federation des caisses Desjardins du Quebec818$122.9K0.00%−396−32.6%Reduced
Quadrant Capital Group LLC833$125.2K0.01%−10−1.2%Reduced
Macquarie Group Ltd837$125.8K0.00%00.0%Unchanged
PEAK6 Investments LLC1,189$178.7K0.01%−1,285−51.9%Reduced
Credit Agricole S A1,200$180.3K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,274$191.5K0.00%−70−5.2%Reduced
Omers Administration Corp1,337$200.9K0.00%+1,337New
Two Sigma Securities, LLC1,340$201.4K0.02%+1,340New