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 |
|---|---|---|---|---|---|
| Northwestern Mutual Wealth Management Co | 1,540 | $223.0K | 0.00% | +1+0.1% | Added |
| Fractal Investments LLC | 1,600 | $231.7K | 0.04% | 00.0% | Unchanged |
| Keybank National Association | 1,653 | $239.4K | 0.00% | +263+18.9% | Added |
| Ci Investments Inc. | 1,709 | $247.0K | 0.00% | +45+2.7% | Added |
| Simplex Trading, LLC | 1,722 | $249.0K | 0.01% | +1,722 | New |
| RSM US Wealth Management LLC | 1,750 | $251.6K | 0.00% | +1,750 | New |
| Swiss Life Asset Management Ltd | 1,766 | $255.8K | 0.00% | −589−25.0% | Reduced |
| McMahon Financial Advisors, LLC | 1,782 | $258.1K | 0.06% | −1,855−51.0% | Reduced |
| Utah Retirement Systems | 1,800 | $260.7K | 0.00% | 00.0% | Unchanged |
| L2 Asset Management, LLC | 1,822 | $263.9K | 0.08% | −91−4.8% | Reduced |
| Prudential PLC | 1,866 | $270.2K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 1,903 | $275.6K | 0.03% | −20−1.0% | Reduced |
| Colony Group, LLC | 1,952 | $283.0K | 0.00% | +2+0.1% | Added |
| Forum Financial Management, LP | 1,963 | $284.3K | 0.01% | +2+0.1% | Added |
| US Bancorp | 1,992 | $288.5K | 0.00% | −84−4.0% | Reduced |
| Buckingham Strategic Partners | 2,000 | $289.6K | 0.01% | −4−0.2% | Reduced |
| Eagle Global Advisors LLC | 2,066 | $299.2K | 0.02% | +66+3.3% | Added |
| CIBC World Markets Corp | 2,074 | $300.4K | 0.00% | +500+31.8% | Added |
| Franklin Resources Inc | 2,078 | $300.9K | 0.00% | +219+11.8% | Added |
| Rockland Trust Co | 2,135 | $309.2K | 0.02% | 00.0% | Unchanged |
| Custom Index Systems, LLC | 2,149 | $311.2K | 0.18% | −580−21.3% | Reduced |
| ISAM Funds (UK) Ltd | 2,172 | $314.5K | 0.24% | +2,172 | New |
| Mariner, LLC | 2,204 | $319.3K | 0.00% | +39+1.8% | Added |
| Crossmark Global Holdings, Inc. | 2,255 | $326.0K | 0.01% | −423−15.8% | Reduced |
| Advisor Group Holdings, Inc. | 2,279 | $329.9K | 0.00% | −1,934−45.9% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,298 | $332.8K | 0.00% | +13+0.6% | Added |
| Intech Investment Management LLC | 2,324 | $336.6K | 0.00% | +2,324 | New |
| Midwest Professional Planners, LTD. | 2,354 | $340.9K | 0.11% | +151+6.9% | Added |
| O'Shaughnessy Asset Management, LLC | 2,398 | $347.3K | 0.00% | −9,618−80.0% | Reduced |
| MBB Public Markets I LLC | 2,439 | $353.2K | 0.01% | +2,439 | New |
| Maryland State Retirement & Pension System | 2,469 | $357.6K | 0.01% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 2,474 | $358.3K | 0.02% | +2,474 | New |
| Securian Asset Management, Inc | 2,503 | $362.5K | 0.01% | −100−3.8% | Reduced |
| Tyche Wealth Partners LLC | 2,507 | $363.1K | 0.09% | −176−6.6% | Reduced |
| Oppenheimer & Co Inc | 2,527 | $366.0K | 0.01% | 00.0% | Unchanged |
| Brown Advisory Inc | 2,529 | $366.3K | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 2,602 | $376.8K | 0.00% | +40+1.6% | Added |
| PGGM Investments | 2,668 | $386.0K | 0.01% | 00.0% | Unchanged |
| Jump Financial, LLC | 2,687 | $389.1K | 0.01% | +2,687 | New |
| Prudential Financial Inc | 2,698 | $390.8K | 0.00% | −8,865−76.7% | Reduced |
| Daiwa Securities Group Inc. | 2,724 | $394.0K | 0.00% | +100+3.8% | Added |
| Lindenwold Advisors | 2,739 | $396.7K | 0.21% | −87−3.1% | Reduced |
| Westover Capital Advisors, LLC | 2,847 | $412.3K | 0.11% | −184−6.1% | Reduced |
| Scientech Research LLC | 2,882 | $417.4K | 0.09% | +2,882 | New |
| Nordea Investment Management AB | 2,850 | $420.0K | 0.00% | −427−13.0% | Reduced |
| Baird Financial Group, Inc. | 2,965 | $429.4K | 0.00% | 00.0% | Unchanged |
| BTC Capital Management, Inc. | 3,049 | $441.6K | 0.04% | +303+11.0% | Added |
| Yorktown Management & Research Co Inc | 3,050 | $441.7K | 0.47% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 3,175 | $455.0K | 0.00% | +237+8.1% | Added |
| Gulf International Bank (UK) Ltd | 3,152 | $456.0K | 0.01% | −150−4.5% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,161 | $457.8K | 0.00% | −100,050−96.9% | Reduced |
| Captrust Financial Advisors | 3,178 | $460.2K | 0.00% | −22−0.7% | Reduced |
| Diametric Capital, LP | 3,272 | $473.9K | 0.26% | −1,234−27.4% | Reduced |
| Allianz Asset Management GmbH | 3,307 | $478.9K | 0.00% | −60−1.8% | Reduced |
| TD Asset Management Inc | 3,328 | $482.0K | 0.00% | −100−2.9% | Reduced |
| Applied Finance Capital Management, LLC | 3,392 | $491.2K | 0.02% | +3,392 | New |
| Atria Investments LLC | 3,444 | $498.8K | 0.01% | +3,444 | New |
| Qsemble Capital Management, LP | 3,482 | $504.3K | 0.10% | +3,482 | New |
| Capstone Investment Advisors, LLC | 3,499 | $506.7K | 0.01% | −2,696−43.5% | Reduced |
| SG Americas Securities, LLC | 3,539 | $513.0K | 0.00% | +3,539 | New |
| James Investment Research Inc | 3,599 | $521.2K | 0.06% | −26−0.7% | Reduced |
| AXA S.A. | 3,609 | $522.7K | 0.00% | +3,609 | New |
| Toronto Dominion Bank | 3,686 | $533.8K | 0.00% | +35+1.0% | Added |
| DekaBank Deutsche Girozentrale | 3,721 | $542.0K | 0.00% | +203+5.8% | Added |
| CIBC Asset Management Inc | 3,758 | $544.2K | 0.00% | +3,758 | New |
| Commonwealth Equity Services, LLC | 3,879 | $562.0K | 0.00% | +9+0.2% | Added |
| Vestcor Inc | 3,940 | $571.0K | 0.02% | −4−0.1% | Reduced |
| Legacy Capital Group California, Inc. | 4,082 | $591.2K | 0.21% | −60−1.4% | Reduced |
| Bridgewater Associates, LP | 4,288 | $621.0K | 0.00% | +4,288 | New |
| Inceptionr LLC | 4,307 | $623.7K | 0.18% | −1,347−23.8% | Reduced |
| Walleye Trading LLC | 4,338 | $628.2K | 0.01% | +2,330+116.0% | Added |
| Atria Wealth Solutions, Inc. | 4,504 | $652.3K | 0.01% | +775+20.8% | Added |
| Sequent Planning LLC | 4,556 | $653.0K | 0.22% | −292−6.0% | Reduced |
| Nissay Asset Management Corp | 4,631 | $670.7K | 0.00% | +75+1.6% | Added |
| Advisory Services Network, LLC | 4,726 | $684.4K | 0.01% | +4,726 | New |
| Voya Investment Management LLC | 4,726 | $684.4K | 0.00% | −285−5.7% | Reduced |
| Public Employees Retirement Association of Colorado | 4,753 | $688.0K | 0.00% | −62−1.3% | Reduced |
| Unison Advisors LLC | 5,060 | $732.8K | 0.09% | +16+0.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,166 | $748.1K | 0.00% | +439+9.3% | Added |
| Peterson Wealth Services | 5,172 | $749.1K | 0.26% | +573+12.5% | Added |
| Xponance, Inc. | 5,265 | $762.5K | 0.01% | −288−5.2% | Reduced |
| APG Asset Management N.V. | 5,651 | $763.6K | 0.00% | +3,700+189.6% | Added |
| Denali Advisors LLC | 5,322 | $770.7K | 0.21% | −603−10.2% | Reduced |
| First Eagle Investment Management, LLC | 5,438 | $787.5K | 0.00% | +750+16.0% | Added |
| Hanlon Investment Management, Inc. | 5,522 | $799.7K | 0.24% | +5,522 | New |
| Centiva Capital, LP | 5,576 | $807.5K | 0.04% | +5,576 | New |
| Achmea Investment Management B.V. | 5,685 | $823.0K | 0.01% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 5,707 | $826.5K | 0.01% | −1,386−19.5% | Reduced |
| Creative Planning | 5,737 | $830.8K | 0.00% | +250+4.6% | Added |
| JustInvest LLC | 5,919 | $851.7K | 0.02% | +1,142+23.9% | Added |
| Royal London Asset Management Ltd | 6,031 | $873.4K | 0.00% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 6,055 | $876.9K | 0.00% | −7,092−53.9% | Reduced |
| Advisors Asset Management, Inc. | 6,620 | $958.7K | 0.02% | +1,066+19.2% | Added |
| Oregon Public Employees Retirement Fund | 6,658 | $964.2K | 0.02% | −1,241−15.7% | Reduced |
| Pettee Investors, Inc. | 6,711 | $971.9K | 0.47% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 6,766 | $979.9K | 0.01% | −72,074−91.4% | Reduced |
| Lighthouse Investment Partners, LLC | 6,773 | $980.9K | 0.05% | +6,773 | New |
| Pathstone Holdings, LLC | 6,827 | $988.6K | 0.00% | +303+4.6% | Added |
| New Mexico Educational Retirement Board | 7,000 | $1.01M | 0.04% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 7,020 | $1.02M | 0.07% | −347−4.7% | Reduced |