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 2023
Institutional positions in Westlake Corp as of Sep 30, 2023. 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
- 335
- −2 vs. Q2 2023
- Shares held
- 37.2M
- +308.4K (+0.8%) vs. Q2 2023
- Total value
- $4.64B
- +$231.6M (+5.2%) vs. Q2 2023
- New holders
- 36
- 92 more added
- Sold out
- 38
- 144 more reduced
3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 360 | $2.90B |
| Q1 2026 | 339 | $5.15B |
| Q4 2025 | 298 | $3.43B |
| Q3 2025 | 305 | $3.20B |
| Q2 2025 | 306 | $2.99B |
| Q1 2025 | 361 | $3.64B |
| Q4 2024 | 378 | $4.04B |
| Q3 2024 | 403 | $5.08B |
| Q2 2024 | 382 | $4.93B |
| Q1 2024 | 347 | $5.29B |
| Q4 2023 | 357 | $5.04B |
| Q3 2023 | 335 | $4.64B |
| Q2 2023 | 340 | $4.42B |
| Q1 2023 | 342 | $4.40B |
| Q4 2022 | 344 | $3.73B |
| Q3 2022 | 321 | $3.03B |
| Q2 2022 | 355 | $3.50B |
| Q1 2022 | 328 | $4.38B |
| Q4 2021 | 298 | $3.37B |
| Q3 2021 | 272 | $3.15B |
| Q2 2021 | 276 | $3.02B |
| Q1 2021 | 240 | $3.09B |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cambria Investment Management, L.P. | 3,973 | $495.3K | 0.04% | −721−15.4% | Reduced |
| Crossmark Global Holdings, Inc. | 3,876 | $492.0K | 0.01% | −394−9.2% | Reduced |
| Xponance, Inc. | 3,898 | $486.0K | 0.01% | −260−6.3% | Reduced |
| Bank of Montreal | 3,477 | $466.6K | 0.00% | −228−6.2% | Reduced |
| Gulf International Bank (UK) Ltd | 3,660 | $456.0K | 0.01% | −300−7.6% | Reduced |
| McMahon Financial Advisors, LLC | 3,629 | $452.4K | 0.14% | +316+9.5% | Added |
| Engineers Gate Manager LP | 3,588 | $447.3K | 0.02% | +3,588 | New |
| Acadian Asset Management LLC | 3,562 | $443.0K | 0.00% | −20,991−85.5% | Reduced |
| DekaBank Deutsche Girozentrale | 3,548 | $443.0K | 0.00% | −1,917−35.1% | Reduced |
| Westover Capital Advisors, LLC | 3,430 | $427.6K | 0.15% | −43−1.2% | Reduced |
| Atria Wealth Solutions, Inc. | 3,426 | $427.1K | 0.01% | −10−0.3% | Reduced |
| British Columbia Investment Management Corp | 3,396 | $423.4K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 3,189 | $397.6K | 0.00% | +3,189 | New |
| BTC Capital Management, Inc. | 3,099 | $386.4K | 0.04% | −130−4.0% | Reduced |
| Lazard Asset Management LLC | 3,101 | $385.0K | 0.00% | −83,695−96.4% | Reduced |
| Oppenheimer & Co Inc | 3,083 | $384.4K | 0.01% | +303+10.9% | Added |
| Yorktown Management & Research Co Inc | 3,050 | $380.2K | 0.43% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 2,962 | $369.0K | 0.00% | +65+2.2% | Added |
| National Bank of Canada | 3,020 | $367.6K | 0.00% | −128−4.1% | Reduced |
| Nordea Investment Management AB | 2,883 | $360.1K | 0.00% | +370+14.7% | Added |
| Lindenwold Advisors | 2,853 | $355.7K | 0.22% | +11+0.4% | Added |
| HighTower Advisors, LLC | 2,852 | $351.0K | 0.00% | +358+14.4% | Added |
| TD Asset Management Inc | 2,730 | $340.3K | 0.00% | −140−4.9% | Reduced |
| Securian Asset Management, Inc | 2,703 | $337.0K | 0.01% | −355−11.6% | Reduced |
| PGGM Investments | 2,668 | $333.0K | 0.01% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 2,629 | $327.8K | 0.00% | +2,629 | New |
| Investors Research Corp | 2,550 | $317.9K | 0.08% | 00.0% | Unchanged |
| CSS LLC | 2,500 | $311.7K | 0.03% | +2,500 | New |
| Maryland State Retirement & Pension System | 2,469 | $307.8K | 0.01% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 2,315 | $289.0K | 0.00% | +60+2.7% | Added |
| AE Wealth Management LLC | 2,316 | $288.8K | 0.00% | −891−27.8% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,285 | $284.9K | 0.00% | −8−0.3% | Reduced |
| Brown Advisory Inc | 2,238 | $279.0K | 0.00% | +10.0% | Added |
| Daiwa Securities Group Inc. | 2,224 | $277.0K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 2,203 | $274.6K | 0.02% | −1,639−42.7% | Reduced |
| Robeco Institutional Asset Management B.V. | 2,200 | $274.3K | 0.00% | +1,841+512.8% | Added |
| US Bancorp | 2,162 | $269.5K | 0.00% | −35−1.6% | Reduced |
| Lighthouse Investment Partners, LLC | 2,148 | $267.8K | 0.02% | +2,148 | New |
| Rockland Trust Co | 2,135 | $266.2K | 0.02% | 00.0% | Unchanged |
| APG Asset Management N.V. | 2,100 | $261.8K | 0.00% | 00.0% | Unchanged |
| Asahi Life Asset Management Co., Ltd. | 2,070 | $258.1K | 0.09% | +2,070 | New |
| Eagle Global Advisors LLC | 2,000 | $249.3K | 0.02% | 00.0% | Unchanged |
| Nebula Research & Development LLC | 1,996 | $248.8K | 0.13% | +1,996 | New |
| Kapitalo Investimentos Ltda | 1,965 | $245.0K | 0.03% | −1,239−38.7% | Reduced |
| Forum Financial Management, LP | 1,961 | $244.5K | 0.01% | 00.0% | Unchanged |
| Colony Group LLC | 1,939 | $242.0K | 0.00% | −93−4.6% | Reduced |
| Fractal Investments LLC | 1,928 | $240.4K | 0.05% | 00.0% | Unchanged |
| Utah Retirement Systems | 1,800 | $224.4K | 0.00% | 00.0% | Unchanged |
| Midwest Professional Planners, LTD. | 1,785 | $222.5K | 0.10% | +1,785 | New |
| Impact Partnership Wealth, LLC | 1,773 | $221.1K | 0.07% | −1,246−41.3% | Reduced |
| The PNC Financial Services Group, Inc. | 1,769 | $220.6K | 0.00% | −6−0.3% | Reduced |
| Boothbay Fund Management, LLC | 1,767 | $220.3K | 0.01% | +1,767 | New |
| Korea Investment CORP | 1,702 | $212.2K | 0.00% | −6,502−79.3% | Reduced |
| Symmetry Partners, LLC | 1,700 | $212.0K | 0.01% | 00.0% | Unchanged |
| Shelton Capital Management | 1,692 | $210.9K | 0.01% | 00.0% | Unchanged |
| Mariner, LLC | 1,689 | $210.6K | 0.00% | +1,689 | New |
| Pathstone Family Office, LLC | 1,668 | $207.9K | 0.00% | +1,668 | New |
| Capstone Investment Advisors, LLC | 1,653 | $206.1K | 0.01% | +1,653 | New |
| Northwestern Mutual Wealth Management Co | 1,530 | $190.7K | 0.00% | +51+3.4% | Added |
| Tower Research Capital LLC (TRC) | 1,476 | $184.0K | 0.01% | −254−14.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 1,393 | $173.7K | 0.00% | −137−9.0% | Reduced |
| Harvest Fund Management Co., Ltd | 1,035 | $129.0K | 0.02% | +760+276.4% | Added |
| Quadrant Capital Group LLC | 941 | $117.3K | 0.01% | +40+4.4% | Added |
| Macquarie Group Ltd | 837 | $104.3K | 0.00% | +194+30.2% | Added |
| Penserra Capital Management LLC | 809 | $100.0K | 0.00% | +809 | New |
| Itau Unibanco Holding S.A. | 750 | $93.5K | 0.00% | −350−31.8% | Reduced |
| State of Wyoming | 682 | $85.0K | 0.02% | +682 | New |
| Banque Cantonale Vaudoise | 637 | $79.0K | 0.00% | −363−36.3% | Reduced |
| Thompson Siegel & Walmsley LLC | 627 | $78.0K | 0.00% | −26−4.0% | Reduced |
| Exchange Traded Concepts, LLC | 599 | $74.7K | 0.00% | +97+19.3% | Added |
| Ci Investments Inc. | 510 | $64.0K | 0.00% | +1+0.2% | Added |
| Ostrum Asset Management | 508 | $63.3K | 0.01% | −4−0.8% | Reduced |
| Wahed Invest LLC | 507 | $63.2K | 0.02% | +44+9.5% | Added |
| Natixis | 478 | $59.6K | 0.00% | +376+368.6% | Added |
| Parallel Advisors, LLC | 458 | $57.1K | 0.00% | +4+0.9% | Added |
| Covestor Ltd | 425 | $53.0K | 0.04% | −381−47.3% | Reduced |
| GWM Advisors LLC | 367 | $45.8K | 0.00% | +256+230.6% | Added |
| Fifth Third Bancorp | 354 | $44.1K | 0.00% | +127+55.9% | Added |
| Arcadia Investment Management Corp | 350 | $43.6K | 0.01% | 00.0% | Unchanged |
| Pathway Financial Advisers, LLC | 347 | $43.3K | 0.02% | +347 | New |
| UniSuper Management Pty Ltd | 300 | $37.4K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 263 | $33.0K | 0.00% | −16−5.7% | Reduced |
| Silicon Valley Capital Partners | 241 | $30.0K | 0.01% | +1+0.4% | Added |
| Proequities, Inc. | 200 | $24.9K | 0.00% | −1−0.5% | Reduced |
| Nisa Investment Advisors, LLC | 186 | $23.2K | 0.00% | −16,238−98.9% | Reduced |
| Steward Partners Investment Advisory, LLC | 159 | $19.8K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 157 | $19.6K | 0.00% | +11+7.5% | Added |
| Venturi Wealth Management, LLC | 156 | $19.4K | 0.00% | +128+457.1% | Added |
| Core Alternative Capital | 134 | $16.7K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 130 | $16.2K | 0.00% | −10−7.1% | Reduced |
| Hantz Financial Services, Inc. | 131 | $16.0K | 0.00% | −5−3.7% | Reduced |
| Larson Financial Group LLC | 125 | $15.5K | 0.00% | −14,231−99.1% | Reduced |
| TD Waterhouse Canada Inc. | 126 | $15.5K | 0.00% | 00.0% | Unchanged |
| Jackson, Grant Investment Advisers, Inc. | 120 | $15.0K | 0.01% | 00.0% | Unchanged |
| Silver Oak Securities, Inc | 102 | $12.7K | 0.00% | −2,449−96.0% | Reduced |
| Distillate Capital Partners LLC | 97 | $12.1K | 3.05% | −3−3.0% | Reduced |
| Private Trust Co NA | 90 | $11.2K | 0.00% | 00.0% | Unchanged |
| Deseret Mutual Benefit Administrators | 90 | $11.2K | 0.01% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 77 | $9.53K | 0.00% | 00.0% | Unchanged |
| AlphaMark Advisors, LLC | 75 | $9.00K | 0.00% | −80−51.6% | Reduced |