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.
| 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 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Intech Investment Management LLC | 1,350 | $202.9K | 0.00% | −974−41.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 1,362 | $204.7K | 0.00% | +1,362 | New |
| Astoria Portfolio Advisors LLC. | 1,424 | $205.4K | 0.07% | +17+1.2% | Added |
| Point72 (DIFC) Ltd | 1,378 | $207.1K | 0.02% | −9,252−87.0% | Reduced |
| Trajan Wealth LLC | 1,389 | $208.8K | 0.01% | +1,389 | New |
| Meiji Yasuda Asset Management Co Ltd. | 1,391 | $209.1K | 0.01% | 00.0% | Unchanged |
| Aaron Wealth Advisors | 1,392 | $209.2K | 0.02% | +1,392 | New |
| Petrus Trust Company, LTA | 1,458 | $219.1K | 0.02% | +1,458 | New |
| Clarius Group, LLC | 1,481 | $222.6K | 0.02% | +5+0.3% | Added |
| Avantax Advisory Services, Inc. | 1,485 | $223.1K | 0.00% | +60+4.2% | Added |
| Wetherby Asset Management Inc | 1,495 | $224.7K | 0.01% | 00.0% | Unchanged |
| LMR Partners LLP | 1,498 | $225.1K | 0.00% | +1,498 | New |
| Kimelman & Baird, LLC | 1,500 | $225.4K | 0.02% | 00.0% | Unchanged |
| Vident Advisory, LLC | 1,511 | $227.1K | 0.01% | +1,511 | New |
| M&T Bank Corp | 1,530 | $229.9K | 0.00% | +41+2.8% | Added |
| Northwestern Mutual Wealth Management Co | 1,555 | $233.7K | 0.00% | +15+1.0% | Added |
| Fractal Investments LLC | 1,600 | $240.5K | 0.04% | 00.0% | Unchanged |
| Trexquant Investment LP | 1,627 | $244.5K | 0.00% | −41,912−96.3% | Reduced |
| Franklin Resources Inc | 1,730 | $249.4K | 0.00% | −348−16.7% | Reduced |
| L2 Asset Management, LLC | 1,749 | $262.8K | 0.07% | −73−4.0% | Reduced |
| McMahon Financial Advisors, LLC | 1,790 | $269.0K | 0.06% | +8+0.4% | Added |
| Brevan Howard Capital Management LP | 1,793 | $269.5K | 0.01% | −5,227−74.5% | Reduced |
| Utah Retirement Systems | 1,800 | $270.5K | 0.00% | 00.0% | Unchanged |
| ClearAlpha Technologies LP | 1,828 | $274.7K | 0.12% | +1,828 | New |
| Prudential PLC | 1,866 | $280.4K | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 1,903 | $286.0K | 0.03% | −6,121−76.3% | Reduced |
| Maryland State Retirement & Pension System | 1,915 | $287.8K | 0.01% | −554−22.4% | Reduced |
| Ci Investments Inc. | 1,917 | $288.0K | 0.00% | +208+12.2% | Added |
| US Bancorp | 1,939 | $291.4K | 0.00% | −53−2.7% | Reduced |
| Net Worth Advisory Group | 1,943 | $292.0K | 0.09% | +1,943 | New |
| Buckingham Strategic Partners | 1,951 | $293.2K | 0.01% | −49−2.5% | Reduced |
| Forum Financial Management, LP | 1,965 | $295.3K | 0.00% | +2+0.1% | Added |
| Cercano Management LLC | 1,978 | $297.3K | 0.01% | +1,978 | New |
| Wolverine Trading, LLC | 2,003 | $300.6K | 0.01% | −13,131−86.8% | Reduced |
| Colony Group, LLC | 2,002 | $301.0K | 0.00% | +50+2.6% | Added |
| Keybank National Association | 2,035 | $305.8K | 0.00% | +382+23.1% | Added |
| RSM US Wealth Management LLC | 2,051 | $305.9K | 0.00% | +301+17.2% | Added |
| Eagle Global Advisors LLC | 2,066 | $310.5K | 0.02% | 00.0% | Unchanged |
| Mariner, LLC | 2,077 | $312.1K | 0.00% | −127−5.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 2,120 | $318.6K | 0.00% | −4,646−68.7% | Reduced |
| Rockland Trust Co | 2,135 | $320.9K | 0.02% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 2,147 | $322.5K | 0.00% | −132−5.8% | Reduced |
| Stifel Financial Corp | 2,150 | $323.2K | 0.00% | −18,622−89.6% | Reduced |
| CIBC World Markets Corp | 2,248 | $337.9K | 0.00% | +174+8.4% | Added |
| Tyche Wealth Partners LLC | 2,357 | $354.2K | 0.08% | −150−6.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 2,563 | $369.5K | 0.00% | +165+6.9% | Added |
| Brown Advisory Inc | 2,459 | $369.6K | 0.00% | −70−2.8% | Reduced |
| HighTower Advisors, LLC | 2,497 | $376.0K | 0.00% | −678−21.4% | Reduced |
| Sigma Planning Corp | 2,531 | $380.4K | 0.01% | +2,531 | New |
| Robeco Institutional Asset Management B.V. | 2,541 | $381.9K | 0.00% | +2,541 | New |
| Midwest Professional Planners, LTD. | 2,600 | $390.8K | 0.12% | +246+10.5% | Added |
| Securian Asset Management, Inc | 2,603 | $391.2K | 0.01% | +100+4.0% | Added |
| Oppenheimer & Co Inc | 2,624 | $394.4K | 0.01% | +97+3.8% | Added |
| Tower Research Capital LLC (TRC) | 2,646 | $397.7K | 0.01% | −5,646−68.1% | Reduced |
| PGGM Investments | 2,668 | $401.0K | 0.01% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 2,765 | $415.6K | 0.00% | −200−6.7% | Reduced |
| Lindenwold Advisors | 2,773 | $416.8K | 0.21% | +34+1.2% | Added |
| Gsa Capital Partners LLP | 2,796 | $420.0K | 0.03% | +2,796 | New |
| Westover Capital Advisors, LLC | 2,817 | $423.4K | 0.08% | −30−1.1% | Reduced |
| Cetera Investment Advisers | 2,871 | $431.5K | 0.00% | −4,741−62.3% | Reduced |
| Crossmark Global Holdings, Inc. | 2,898 | $436.0K | 0.01% | +643+28.5% | Added |
| Neuberger Berman Group LLC | 3,019 | $453.7K | 0.00% | +417+16.0% | Added |
| Daiwa Securities Group Inc. | 3,024 | $454.0K | 0.00% | +300+11.0% | Added |
| Yorktown Management & Research Co Inc | 3,050 | $458.4K | 0.47% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 3,068 | $461.0K | 0.01% | −84−2.7% | Reduced |
| Applied Finance Capital Management, LLC | 3,128 | $470.1K | 0.02% | −264−7.8% | Reduced |
| Captrust Financial Advisors | 3,195 | $480.2K | 0.00% | +17+0.5% | Added |
| Allianz Asset Management GmbH | 3,258 | $489.6K | 0.00% | −49−1.5% | Reduced |
| MQS Management LLC | 3,411 | $512.6K | 0.29% | +3,411 | New |
| DekaBank Deutsche Girozentrale | 3,540 | $529.0K | 0.00% | −181−4.9% | Reduced |
| James Investment Research Inc | 3,559 | $534.9K | 0.06% | −40−1.1% | Reduced |
| TD Asset Management Inc | 3,608 | $541.5K | 0.00% | +280+8.4% | Added |
| AXA S.A. | 3,604 | $541.6K | 0.00% | −5−0.1% | Reduced |
| Federated Hermes, Inc. | 3,617 | $543.6K | 0.00% | −33,780−90.3% | Reduced |
| Kestra Investment Management, LLC | 3,763 | $565.5K | 0.02% | +3,763 | New |
| CIBC Asset Management Inc | 3,911 | $587.8K | 0.00% | +153+4.1% | Added |
| SEI Investments Co | 3,976 | $597.2K | 0.00% | −10,236−72.0% | Reduced |
| Vestcor Inc | 3,981 | $598.0K | 0.02% | +41+1.0% | Added |
| Legacy Capital Group California, Inc. | 4,065 | $610.9K | 0.20% | −17−0.4% | Reduced |
| Atria Wealth Solutions, Inc. | 4,070 | $611.7K | 0.01% | −434−9.6% | Reduced |
| Commonwealth Equity Services, LLC | 4,266 | $641.0K | 0.00% | +387+10.0% | Added |
| Voya Investment Management LLC | 4,362 | $655.6K | 0.00% | −364−7.7% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 4,503 | $676.8K | 0.01% | +2,205+96.0% | Added |
| Bridgefront Capital, LLC | 4,507 | $677.4K | 0.26% | +4,507 | New |
| Advisory Services Network, LLC | 4,726 | $684.4K | 0.01% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 4,629 | $695.7K | 0.01% | −1,078−18.9% | Reduced |
| Public Employees Retirement Association of Colorado | 4,753 | $714.0K | 0.00% | 00.0% | Unchanged |
| Nissay Asset Management Corp | 4,773 | $717.3K | 0.00% | +142+3.1% | Added |
| Toronto Dominion Bank | 4,855 | $729.7K | 0.00% | +1,169+31.7% | Added |
| Pacer Advisors, Inc. | 4,873 | $732.4K | 0.00% | −9,644−66.4% | Reduced |
| Aigen Investment Management, LP | 4,896 | $735.8K | 0.14% | +4,896 | New |
| Sequent Planning LLC | 5,056 | $759.9K | 0.26% | +500+11.0% | Added |
| Unison Advisors LLC | 5,077 | $763.0K | 0.09% | +17+0.3% | Added |
| Twin Tree Management, LP | 5,127 | $770.5K | 0.02% | −3,063−37.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,166 | $776.4K | 0.00% | 00.0% | Unchanged |
| Headlands Technologies LLC | 5,211 | $783.2K | 0.09% | +4,370+519.6% | Added |
| Xponance, Inc. | 5,370 | $807.1K | 0.01% | +105+2.0% | Added |
| Quadrature Capital Ltd | 5,419 | $814.7K | 0.02% | +5,419 | New |
| Denali Advisors LLC | 5,422 | $814.9K | 0.09% | +100+1.9% | Added |
| Creative Planning | 5,642 | $847.9K | 0.00% | −95−1.7% | Reduced |