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 2023
Institutional positions in Westlake Corp as of Dec 31, 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
- 357
- +28 vs. Q3 2023
- Shares held
- 36.0M
- −1.11M (−3.0%) vs. Q3 2023
- Total value
- $5.04B
- +$412.6M (+8.9%) vs. Q3 2023
- New holders
- 57
- 103 more added
- Sold out
- 29
- 137 more reduced
6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| L2 Asset Management, LLC | 1,750 | $245.0K | 0.10% | +1,750 | New |
| Teacher Retirement System of Texas | 1,760 | $246.0K | 0.00% | −1,202−40.6% | Reduced |
| The PNC Financial Services Group, Inc. | 1,759 | $246.2K | 0.00% | −10−0.6% | Reduced |
| APG Asset Management N.V. | 1,951 | $247.2K | 0.00% | −149−7.1% | Reduced |
| MQS Management LLC | 1,800 | $251.9K | 0.14% | −4,534−71.6% | Reduced |
| Utah Retirement Systems | 1,800 | $251.9K | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,823 | $255.1K | 0.00% | +1,823 | New |
| Bank of Nova Scotia | 1,825 | $255.4K | 0.00% | +1,825 | New |
| Inceptionr LLC | 1,883 | $263.5K | 0.19% | +1,883 | New |
| Colony Group, LLC | 1,941 | $272.0K | 0.00% | +1,941 | New |
| Midwest Professional Planners, LTD. | 1,948 | $272.7K | 0.11% | +163+9.1% | Added |
| Forum Financial Management, LP | 1,961 | $274.5K | 0.01% | 00.0% | Unchanged |
| Investors Research Corp | 2,000 | $279.9K | 0.07% | −550−21.6% | Reduced |
| Eagle Global Advisors LLC | 2,000 | $279.9K | 0.02% | 00.0% | Unchanged |
| US Bancorp | 2,048 | $286.6K | 0.00% | −114−5.3% | Reduced |
| Mariner, LLC | 2,066 | $289.2K | 0.00% | +377+22.3% | Added |
| Rockland Trust Co | 2,135 | $298.8K | 0.02% | 00.0% | Unchanged |
| Royal London Asset Management Ltd | 2,201 | $308.1K | 0.00% | +2,201 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,285 | $319.8K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 2,300 | $321.9K | 0.00% | +2,300 | New |
| Bridgefront Capital, LLC | 2,348 | $328.6K | 0.25% | +2,348 | New |
| Prelude Capital Management, LLC | 2,401 | $336.0K | 0.03% | +198+9.0% | Added |
| Daiwa Securities Group Inc. | 2,424 | $339.0K | 0.00% | +200+9.0% | Added |
| Brown Advisory Inc | 2,429 | $339.9K | 0.00% | +191+8.5% | Added |
| Maryland State Retirement & Pension System | 2,469 | $345.6K | 0.01% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 2,495 | $349.2K | 0.00% | +2,495 | New |
| Stifel Financial Corp | 2,497 | $349.5K | 0.00% | +2,497 | New |
| CSS LLC | 2,500 | $349.9K | 0.03% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 2,527 | $353.7K | 0.01% | −556−18.0% | Reduced |
| National Bank of Canada | 2,521 | $354.3K | 0.00% | −499−16.5% | Reduced |
| Crossmark Global Holdings, Inc. | 2,604 | $364.0K | 0.01% | −1,272−32.8% | Reduced |
| Synovus Financial Corp | 2,645 | $370.2K | 0.01% | −2,567−49.3% | Reduced |
| PGGM Investments | 2,668 | $373.0K | 0.01% | 00.0% | Unchanged |
| Tyche Wealth Partners LLC | 2,683 | $375.5K | 0.09% | +2,683 | New |
| Securian Asset Management, Inc | 2,703 | $378.3K | 0.01% | 00.0% | Unchanged |
| Lindenwold Advisors | 2,824 | $395.2K | 0.22% | −29−1.0% | Reduced |
| Lazard Asset Management LLC | 2,928 | $409.0K | 0.00% | −173−5.6% | Reduced |
| Yorktown Management & Research Co Inc | 3,050 | $426.9K | 0.45% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 3,104 | $435.7K | 0.01% | −12,522−80.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 3,174 | $444.2K | 0.00% | −938−22.8% | Reduced |
| Gulf International Bank (UK) Ltd | 3,218 | $450.0K | 0.01% | −442−12.1% | Reduced |
| Nordea Investment Management AB | 3,260 | $455.5K | 0.00% | +377+13.1% | Added |
| Allianz Asset Management GmbH | 3,313 | $463.7K | 0.00% | −1,318−28.5% | Reduced |
| Westover Capital Advisors, LLC | 3,326 | $465.5K | 0.15% | −104−3.0% | Reduced |
| SG Americas Securities, LLC | 3,392 | $475.0K | 0.01% | −8,763−72.1% | Reduced |
| DekaBank Deutsche Girozentrale | 3,402 | $477.0K | 0.00% | −146−4.1% | Reduced |
| Capstone Investment Advisors, LLC | 3,416 | $478.1K | 0.01% | +1,763+106.7% | Added |
| McMahon Financial Advisors, LLC | 3,468 | $485.4K | 0.14% | −161−4.4% | Reduced |
| TD Asset Management Inc | 3,528 | $493.8K | 0.00% | +798+29.2% | Added |
| Atria Wealth Solutions, Inc. | 3,562 | $498.5K | 0.01% | +136+4.0% | Added |
| Versor Investments LP | 3,670 | $513.7K | 0.10% | −800−17.9% | Reduced |
| James Investment Research Inc | 3,683 | $515.5K | 0.06% | +3,683 | New |
| Toroso Investments, LLC | 3,855 | $539.5K | 0.01% | −1,654−30.0% | Reduced |
| Commonwealth Equity Services, LLC | 3,865 | $541.0K | 0.00% | +1,550+67.0% | Added |
| D. E. Shaw & Co., Inc. | 3,878 | $542.8K | 0.00% | −28,377−88.0% | Reduced |
| Russell Investments Group, Ltd. | 3,892 | $544.8K | 0.00% | −196−4.8% | Reduced |
| Ethic Inc. | 3,900 | $545.8K | 0.02% | +3,900 | New |
| Brevan Howard Capital Management LP | 3,926 | $549.5K | 0.06% | +3,926 | New |
| Xponance, Inc. | 3,930 | $550.0K | 0.01% | +32+0.8% | Added |
| XTX Topco Ltd | 3,960 | $554.2K | 0.12% | +3,960 | New |
| Greenland Capital Management LP | 4,000 | $559.8K | 0.09% | −125−3.0% | Reduced |
| HighTower Advisors, LLC | 4,232 | $590.0K | 0.00% | +1,380+48.4% | Added |
| Legacy Capital Group California, Inc. | 4,256 | $595.7K | 0.23% | +88+2.1% | Added |
| Tower Research Capital LLC (TRC) | 4,314 | $603.8K | 0.01% | +2,838+192.3% | Added |
| Cambria Investment Management, L.P. | 4,388 | $614.1K | 0.04% | +415+10.4% | Added |
| Captrust Financial Advisors | 4,411 | $617.4K | 0.00% | −210−4.5% | Reduced |
| British Columbia Investment Management Corp | 4,414 | $617.8K | 0.01% | +1,018+30.0% | Added |
| Nissay Asset Management Corp | 4,456 | $623.7K | 0.01% | +145+3.4% | Added |
| Creative Planning | 4,465 | $624.9K | 0.00% | +1,276+40.0% | Added |
| Duality Advisers, LP | 4,542 | $635.7K | 0.07% | −1,857−29.0% | Reduced |
| FORA Capital, LLC | 4,582 | $641.3K | 0.06% | +4,582 | New |
| First Eagle Investment Management, LLC | 4,638 | $649.1K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 4,725 | $661.3K | 0.01% | −13−0.3% | Reduced |
| Toronto Dominion Bank | 4,970 | $695.6K | 0.00% | −2,324−31.9% | Reduced |
| Public Employees Retirement Association of Colorado | 4,991 | $699.0K | 0.00% | −373−7.0% | Reduced |
| Unison Advisors LLC | 5,027 | $703.6K | 0.07% | +19+0.4% | Added |
| Entropy Technologies, LP | 5,114 | $715.8K | 0.13% | +5,114 | New |
| PAX Financial Group, LLC | 5,032 | $718.6K | 0.15% | +5,032 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,194 | $727.0K | 0.00% | −12,556−70.7% | Reduced |
| Advisors Asset Management, Inc. | 5,463 | $764.6K | 0.02% | −2,292−29.6% | Reduced |
| Advisor Group Holdings, Inc. | 5,647 | $790.2K | 0.00% | −539−8.7% | Reduced |
| Achmea Investment Management B.V. | 5,685 | $795.0K | 0.02% | 00.0% | Unchanged |
| Voya Investment Management LLC | 5,681 | $795.1K | 0.00% | +72+1.3% | Added |
| Denali Advisors LLC | 5,925 | $829.3K | 0.25% | +200+3.5% | Added |
| Vestcor Inc | 5,980 | $837.0K | 0.03% | −19−0.3% | Reduced |
| Seven Eight Capital, LP | 6,103 | $854.2K | 0.10% | +6,103 | New |
| Tredje AP-fonden | 6,317 | $884.1K | 0.01% | 00.0% | Unchanged |
| JustInvest LLC | 6,466 | $905.0K | 0.02% | +485+8.1% | Added |
| PEAK6 Investments LLC | 6,533 | $914.4K | 0.04% | +6,533 | New |
| Pettee Investors, Inc. | 6,711 | $939.3K | 0.41% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 7,000 | $980.0K | 0.04% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 7,069 | $989.4K | 0.01% | +605+9.4% | Added |
| Diametric Capital, LP | 7,105 | $994.4K | 0.61% | −972−12.0% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 7,127 | $997.5K | 0.03% | +47+0.7% | Added |
| Korea Investment CORP | 7,135 | $998.6K | 0.00% | +5,433+319.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 7,201 | $1.01M | 0.01% | 00.0% | Unchanged |
| AustralianSuper Pty Ltd | 7,723 | $1.08M | 0.01% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 8,003 | $1.12M | 0.00% | +10+0.1% | Added |
| State of Michigan Retirement System | 8,600 | $1.20M | 0.01% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 8,676 | $1.21M | 0.00% | −206−2.3% | Reduced |