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, Q2 2024
Institutional positions in Westlake Corp as of Jun 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
- 382
- +37 vs. Q1 2024
- Shares held
- 34.1M
- −658.3K (−1.9%) vs. Q1 2024
- Total value
- $4.93B
- −$348.8M (−6.6%) vs. Q1 2024
- New holders
- 67
- 126 more added
- Sold out
- 30
- 134 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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.
| 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, Q2 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| APG Asset Management N.V. | 5,651 | $763.6K | 0.00% | +3,700+189.6% | Added |
| Xponance, Inc. | 5,265 | $762.5K | 0.01% | −288−5.2% | Reduced |
| Peterson Wealth Services | 5,172 | $749.1K | 0.26% | +573+12.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,166 | $748.1K | 0.00% | +439+9.3% | Added |
| Unison Advisors LLC | 5,060 | $732.8K | 0.09% | +16+0.3% | Added |
| Public Employees Retirement Association of Colorado | 4,753 | $688.0K | 0.00% | −62−1.3% | Reduced |
| Voya Investment Management LLC | 4,726 | $684.4K | 0.00% | −285−5.7% | Reduced |
| Advisory Services Network, LLC | 4,726 | $684.4K | 0.01% | +4,726 | New |
| Nissay Asset Management Corp | 4,631 | $670.7K | 0.00% | +75+1.6% | Added |
| Sequent Planning LLC | 4,556 | $653.0K | 0.22% | −292−6.0% | Reduced |
| Atria Wealth Solutions, Inc. | 4,504 | $652.3K | 0.01% | +775+20.8% | Added |
| Walleye Trading LLC | 4,338 | $628.2K | 0.01% | +2,330+116.0% | Added |
| Inceptionr LLC | 4,307 | $623.7K | 0.18% | −1,347−23.8% | Reduced |
| Bridgewater Associates, LP | 4,288 | $621.0K | 0.00% | +4,288 | New |
| Legacy Capital Group California, Inc. | 4,082 | $591.2K | 0.21% | −60−1.4% | Reduced |
| Vestcor Inc | 3,940 | $571.0K | 0.02% | −4−0.1% | Reduced |
| Commonwealth Equity Services, LLC | 3,879 | $562.0K | 0.00% | +9+0.2% | Added |
| CIBC Asset Management Inc | 3,758 | $544.2K | 0.00% | +3,758 | New |
| DekaBank Deutsche Girozentrale | 3,721 | $542.0K | 0.00% | +203+5.8% | Added |
| Toronto Dominion Bank | 3,686 | $533.8K | 0.00% | +35+1.0% | Added |
| AXA S.A. | 3,609 | $522.7K | 0.00% | +3,609 | New |
| James Investment Research Inc | 3,599 | $521.2K | 0.06% | −26−0.7% | Reduced |
| SG Americas Securities, LLC | 3,539 | $513.0K | 0.00% | +3,539 | New |
| Capstone Investment Advisors, LLC | 3,499 | $506.7K | 0.01% | −2,696−43.5% | Reduced |
| Qsemble Capital Management, LP | 3,482 | $504.3K | 0.10% | +3,482 | New |
| Atria Investments LLC | 3,444 | $498.8K | 0.01% | +3,444 | New |
| Applied Finance Capital Management, LLC | 3,392 | $491.2K | 0.02% | +3,392 | New |
| TD Asset Management Inc | 3,328 | $482.0K | 0.00% | −100−2.9% | Reduced |
| Allianz Asset Management GmbH | 3,307 | $478.9K | 0.00% | −60−1.8% | Reduced |
| Diametric Capital, LP | 3,272 | $473.9K | 0.26% | −1,234−27.4% | Reduced |
| Captrust Financial Advisors | 3,178 | $460.2K | 0.00% | −22−0.7% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,161 | $457.8K | 0.00% | −100,050−96.9% | Reduced |
| Gulf International Bank (UK) Ltd | 3,152 | $456.0K | 0.01% | −150−4.5% | Reduced |
| HighTower Advisors, LLC | 3,175 | $455.0K | 0.00% | +237+8.1% | Added |
| Yorktown Management & Research Co Inc | 3,050 | $441.7K | 0.47% | 00.0% | Unchanged |
| BTC Capital Management, Inc. | 3,049 | $441.6K | 0.04% | +303+11.0% | Added |
| Baird Financial Group, Inc. | 2,965 | $429.4K | 0.00% | 00.0% | Unchanged |
| Nordea Investment Management AB | 2,850 | $420.0K | 0.00% | −427−13.0% | Reduced |
| Scientech Research LLC | 2,882 | $417.4K | 0.09% | +2,882 | New |
| Westover Capital Advisors, LLC | 2,847 | $412.3K | 0.11% | −184−6.1% | Reduced |
| Lindenwold Advisors | 2,739 | $396.7K | 0.21% | −87−3.1% | Reduced |
| Daiwa Securities Group Inc. | 2,724 | $394.0K | 0.00% | +100+3.8% | Added |
| Prudential Financial Inc | 2,698 | $390.8K | 0.00% | −8,865−76.7% | Reduced |
| Jump Financial, LLC | 2,687 | $389.1K | 0.01% | +2,687 | New |
| PGGM Investments | 2,668 | $386.0K | 0.01% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 2,602 | $376.8K | 0.00% | +40+1.6% | Added |
| Brown Advisory Inc | 2,529 | $366.3K | 0.00% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 2,527 | $366.0K | 0.01% | 00.0% | Unchanged |
| Tyche Wealth Partners LLC | 2,507 | $363.1K | 0.09% | −176−6.6% | Reduced |
| Securian Asset Management, Inc | 2,503 | $362.5K | 0.01% | −100−3.8% | Reduced |
| PEAK6 Investments LLC | 2,474 | $358.3K | 0.02% | +2,474 | New |
| Maryland State Retirement & Pension System | 2,469 | $357.6K | 0.01% | 00.0% | Unchanged |
| MBB Public Markets I LLC | 2,439 | $353.2K | 0.01% | +2,439 | New |
| O'Shaughnessy Asset Management, LLC | 2,398 | $347.3K | 0.00% | −9,618−80.0% | Reduced |
| Midwest Professional Planners, LTD. | 2,354 | $340.9K | 0.11% | +151+6.9% | Added |
| Intech Investment Management LLC | 2,324 | $336.6K | 0.00% | +2,324 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,298 | $332.8K | 0.00% | +13+0.6% | Added |
| Advisor Group Holdings, Inc. | 2,279 | $329.9K | 0.00% | −1,934−45.9% | Reduced |
| Crossmark Global Holdings, Inc. | 2,255 | $326.0K | 0.01% | −423−15.8% | Reduced |
| Mariner, LLC | 2,204 | $319.3K | 0.00% | +39+1.8% | Added |
| ISAM Funds (UK) Ltd | 2,172 | $314.5K | 0.24% | +2,172 | New |
| Custom Index Systems, LLC | 2,149 | $311.2K | 0.18% | −580−21.3% | Reduced |
| Rockland Trust Co | 2,135 | $309.2K | 0.02% | 00.0% | Unchanged |
| Franklin Resources Inc | 2,078 | $300.9K | 0.00% | +219+11.8% | Added |
| CIBC World Markets Corp | 2,074 | $300.4K | 0.00% | +500+31.8% | Added |
| Eagle Global Advisors LLC | 2,066 | $299.2K | 0.02% | +66+3.3% | Added |
| Buckingham Strategic Partners | 2,000 | $289.6K | 0.01% | −4−0.2% | Reduced |
| US Bancorp | 1,992 | $288.5K | 0.00% | −84−4.0% | Reduced |
| Forum Financial Management, LP | 1,963 | $284.3K | 0.01% | +2+0.1% | Added |
| Colony Group, LLC | 1,952 | $283.0K | 0.00% | +2+0.1% | Added |
| PDT Partners, LLC | 1,903 | $275.6K | 0.03% | −20−1.0% | Reduced |
| Prudential PLC | 1,866 | $270.2K | 0.00% | 00.0% | Unchanged |
| L2 Asset Management, LLC | 1,822 | $263.9K | 0.08% | −91−4.8% | Reduced |
| Utah Retirement Systems | 1,800 | $260.7K | 0.00% | 00.0% | Unchanged |
| McMahon Financial Advisors, LLC | 1,782 | $258.1K | 0.06% | −1,855−51.0% | Reduced |
| Swiss Life Asset Management Ltd | 1,766 | $255.8K | 0.00% | −589−25.0% | Reduced |
| RSM US Wealth Management LLC | 1,750 | $251.6K | 0.00% | +1,750 | New |
| Simplex Trading, LLC | 1,722 | $249.0K | 0.01% | +1,722 | New |
| Ci Investments Inc. | 1,709 | $247.0K | 0.00% | +45+2.7% | Added |
| Keybank National Association | 1,653 | $239.4K | 0.00% | +263+18.9% | Added |
| Fractal Investments LLC | 1,600 | $231.7K | 0.04% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 1,540 | $223.0K | 0.00% | +1+0.1% | Added |
| Kimelman & Baird, LLC | 1,500 | $217.2K | 0.02% | +1,500 | New |
| Wetherby Asset Management Inc | 1,495 | $216.5K | 0.01% | −9−0.6% | Reduced |
| M&T Bank Corp | 1,489 | $215.7K | 0.00% | +48+3.3% | Added |
| Clarius Group, LLC | 1,476 | $213.8K | 0.02% | 00.0% | Unchanged |
| Toroso Investments, LLC | 1,433 | $207.5K | 0.00% | −3,584−71.4% | Reduced |
| Avantax Advisory Services, Inc. | 1,425 | $206.3K | 0.00% | +67+4.9% | Added |
| Astoria Portfolio Advisors LLC. | 1,407 | $203.7K | 0.07% | −93−6.2% | Reduced |
| Park Avenue Securities LLC | 1,394 | $202.0K | 0.00% | −751−35.0% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 1,391 | $201.4K | 0.01% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,344 | $194.6K | 0.00% | −441−24.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 1,214 | $175.8K | 0.00% | −9,666−88.8% | Reduced |
| Credit Agricole S A | 1,200 | $173.8K | 0.00% | +1,200 | New |
| Manchester Capital Management LLC | 1,128 | $163.4K | 0.02% | +1,128 | New |
| Mirae Asset Global Investments Co., Ltd. | 1,095 | $159.9K | 0.00% | −565,459−99.8% | Reduced |
| Quadrant Capital Group LLC | 843 | $122.1K | 0.01% | +3+0.4% | Added |
| Headlands Technologies LLC | 841 | $121.8K | 0.01% | +841 | New |
| Macquarie Group Ltd | 837 | $121.2K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 821 | $118.9K | 0.06% | +736+865.9% | Added |