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 2024
Institutional positions in Westlake Corp as of Dec 31, 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
- 378
- −20 vs. Q3 2024
- Shares held
- 35.3M
- +1.62M (+4.8%) vs. Q3 2024
- Total value
- $4.04B
- −$1.01B (−20.0%) vs. Q3 2024
- New holders
- 48
- 144 more added
- Sold out
- 68
- 128 more reduced
5 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wealthcare Advisory Partners LLC | 4,954 | $568.0K | 0.02% | −2,217−30.9% | Reduced |
| Nissay Asset Management Corp | 4,877 | $557.3K | 0.00% | +104+2.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,822 | $552.8K | 0.01% | +4,822 | New |
| Tower Research Capital LLC (TRC) | 4,805 | $550.9K | 0.01% | +2,159+81.6% | Added |
| IFM Investors Pty Ltd | 4,629 | $530.7K | 0.01% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 4,628 | $530.6K | 0.08% | +4,628 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 4,550 | $521.7K | 0.01% | +47+1.0% | Added |
| Kestra Investment Management, LLC | 4,445 | $509.6K | 0.02% | +682+18.1% | Added |
| Nomura Holdings Inc | 4,440 | $509.0K | 0.00% | +4,440 | New |
| Nordea Investment Management AB | 4,403 | $506.7K | 0.00% | −1,264−22.3% | Reduced |
| Transce3nd, LLC | 4,406 | $505.4K | 0.17% | +4,406 | New |
| Susquehanna International Group, LLP | 4,310 | $494.1K | 0.00% | +4,310 | New |
| CIBC Asset Management Inc | 4,234 | $485.4K | 0.00% | +323+8.3% | Added |
| Prudential Financial Inc | 4,136 | $474.2K | 0.00% | −3,073−42.6% | Reduced |
| Gotham Asset Management, LLC | 4,073 | $467.0K | 0.00% | −2,605−39.0% | Reduced |
| Voya Investment Management LLC | 4,072 | $466.9K | 0.00% | −290−6.6% | Reduced |
| Quadrature Capital Ltd | 4,050 | $464.1K | 0.01% | −1,369−25.3% | Reduced |
| TD Asset Management Inc | 3,998 | $458.4K | 0.00% | +390+10.8% | Added |
| Vestcor Inc | 3,981 | $456.0K | 0.02% | 00.0% | Unchanged |
| Intech Investment Management LLC | 3,960 | $454.0K | 0.00% | +2,610+193.3% | Added |
| Fieldview Capital Management, LLC | 3,929 | $450.5K | 0.07% | +3,929 | New |
| Crestline Management, LP | 3,648 | $418.2K | 0.01% | +3,648 | New |
| Public Employees Retirement Association of Colorado | 3,650 | $418.0K | 0.00% | −1,103−23.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 3,549 | $406.9K | 0.03% | −19,559−84.6% | Reduced |
| Federated Hermes, Inc. | 3,509 | $402.3K | 0.00% | −108−3.0% | Reduced |
| DekaBank Deutsche Girozentrale | 3,540 | $397.0K | 0.00% | 00.0% | Unchanged |
| James Investment Research Inc | 3,418 | $391.9K | 0.05% | −141−4.0% | Reduced |
| Commonwealth Equity Services, LLC | 3,372 | $387.0K | 0.00% | −894−21.0% | Reduced |
| Allianz Asset Management GmbH | 3,262 | $374.0K | 0.00% | +4+0.1% | Added |
| Captrust Financial Advisors | 3,216 | $368.7K | 0.00% | +21+0.7% | Added |
| Acadian Asset Management LLC | 3,201 | $366.0K | 0.00% | +3,201 | New |
| Union Bancaire Privee, UBP SA | 3,346 | $361.1K | 0.01% | +3,346 | New |
| Applied Finance Capital Management, LLC | 3,128 | $358.6K | 0.02% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 3,068 | $351.0K | 0.01% | 00.0% | Unchanged |
| Yorktown Management & Research Co Inc | 3,050 | $349.7K | 0.34% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 3,024 | $347.0K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 3,007 | $344.8K | 0.00% | +136+4.7% | Added |
| Neuberger Berman Group LLC | 2,951 | $338.3K | 0.00% | −68−2.3% | Reduced |
| Wisconsin Wealth Advisors, LLC | 2,933 | $336.3K | 0.50% | +2,933 | New |
| HighTower Advisors, LLC | 2,705 | $310.2K | 0.00% | +208+8.3% | Added |
| Crossmark Global Holdings, Inc. | 2,708 | $310.0K | 0.01% | −190−6.6% | Reduced |
| Lindenwold Advisors | 2,683 | $307.6K | 0.16% | −90−3.2% | Reduced |
| Avanza Fonder AB | 2,680 | $307.3K | 0.01% | +2,680 | New |
| PGGM Investments | 2,668 | $306.0K | 0.00% | 00.0% | Unchanged |
| Total Wealth Planning & Management, Inc. | 2,621 | $300.5K | 0.30% | +2,621 | New |
| Engineers Gate Manager LP | 2,599 | $298.0K | 0.01% | −20,050−88.5% | Reduced |
| Westover Capital Advisors, LLC | 2,555 | $292.9K | 0.06% | −262−9.3% | Reduced |
| Sigma Planning Corp | 2,531 | $290.2K | 0.01% | 00.0% | Unchanged |
| Brown Advisory Inc | 2,530 | $290.0K | 0.00% | +71+2.9% | Added |
| Securian Asset Management, Inc | 2,503 | $287.0K | 0.01% | −100−3.8% | Reduced |
| Oppenheimer & Co Inc | 2,485 | $284.9K | 0.00% | −139−5.3% | Reduced |
| Forum Financial Management, LP | 2,393 | $274.4K | 0.00% | +428+21.8% | Added |
| Twinbeech Capital LP | 2,292 | $262.8K | 0.00% | +2,292 | New |
| CWM Advisors, LLC | 2,246 | $257.5K | 0.03% | +343+18.0% | Added |
| Simplex Trading, LLC | 2,229 | $255.0K | 0.01% | +2,229 | New |
| Advisor Group Holdings, Inc. | 2,224 | $254.7K | 0.00% | +77+3.6% | Added |
| O'Shaughnessy Asset Management, LLC | 2,181 | $250.1K | 0.00% | −382−14.9% | Reduced |
| Jefferies Financial Group Inc. | 2,089 | $239.5K | 0.00% | −13,783−86.8% | Reduced |
| Eagle Global Advisors LLC | 2,066 | $236.9K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 2,028 | $232.5K | 0.00% | +89+4.6% | Added |
| Keybank National Association | 2,022 | $231.8K | 0.00% | −13−0.6% | Reduced |
| Stifel Financial Corp | 1,995 | $228.7K | 0.00% | −155−7.2% | Reduced |
| Cercano Management LLC | 1,978 | $226.8K | 0.01% | 00.0% | Unchanged |
| Tyche Wealth Partners LLC | 1,933 | $221.6K | 0.05% | −424−18.0% | Reduced |
| Net Worth Advisory Group | 1,927 | $220.9K | 0.07% | −16−0.8% | Reduced |
| Maryland State Retirement & Pension System | 1,915 | $219.6K | 0.00% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 1,896 | $215.1K | 0.00% | −155−7.6% | Reduced |
| Vident Advisory, LLC | 1,874 | $214.9K | 0.00% | +363+24.0% | Added |
| Prudential PLC | 1,866 | $213.9K | 0.00% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 1,807 | $207.2K | 0.04% | −10,457−85.3% | Reduced |
| Utah Retirement Systems | 1,800 | $206.4K | 0.00% | 00.0% | Unchanged |
| Optas, LLC | 1,799 | $206.3K | 0.04% | +1,799 | New |
| CIBC World Markets Corp | 1,746 | $200.2K | 0.00% | −502−22.3% | Reduced |
| Credit Agricole S A | 1,562 | $179.1K | 0.00% | +362+30.2% | Added |
| Northwestern Mutual Wealth Management Co | 1,551 | $177.9K | 0.00% | −4−0.3% | Reduced |
| Kimelman & Baird, LLC | 1,500 | $172.0K | 0.01% | 00.0% | Unchanged |
| Macquarie Group Ltd | 3,221 | $163.7K | 0.00% | +2,384+284.8% | Added |
| MAI Capital Management | 1,310 | $150.2K | 0.00% | +1,310 | New |
| The PNC Financial Services Group, Inc. | 1,237 | $141.8K | 0.00% | −37−2.9% | Reduced |
| Venturi Wealth Management, LLC | 789 | $90.5K | 0.00% | +490+163.9% | Added |
| Quadrant Capital Group LLC | 724 | $83.0K | 0.01% | −109−13.1% | Reduced |
| Wahed Invest LLC | 666 | $76.4K | 0.01% | −146−18.0% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 622 | $71.0K | 0.00% | +622 | New |
| Aster Capital Management (DIFC) Ltd | 603 | $69.1K | 0.03% | −37−5.8% | Reduced |
| GWM Advisors LLC | 558 | $64.0K | 0.00% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 537 | $61.6K | 0.00% | +84+18.5% | Added |
| Versant Capital Management, Inc | 531 | $60.9K | 0.01% | +243+84.4% | Added |
| GAMMA Investing LLC | 523 | $60.0K | 0.01% | +219+72.0% | Added |
| CWM, LLC | 461 | $53.0K | 0.00% | +114+32.9% | Added |
| Allworth Financial LP | 385 | $45.3K | 0.00% | +379+6,316.7% | Added |
| Transamerica Financial Advisors, Inc. | 389 | $45.0K | 0.00% | +367+1,668.2% | Added |
| Parallel Advisors, LLC | 392 | $44.9K | 0.00% | −162−29.2% | Reduced |
| Skopos Labs, Inc. | 362 | $41.5K | 0.01% | −48−11.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 359 | $41.2K | 0.00% | −459−56.1% | Reduced |
| Arcadia Investment Management Corp | 350 | $40.1K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 299 | $34.3K | 0.00% | −98−24.7% | Reduced |
| Pathway Financial Advisers, LLC | 284 | $32.5K | 0.01% | +2+0.7% | Added |
| Smartleaf Asset Management LLC | 252 | $28.6K | 0.00% | +71+39.2% | Added |
| Silicon Valley Capital Partners | 245 | $28.1K | 0.00% | +1+0.4% | Added |
| CVA Family Office, LLC | 217 | $24.9K | 0.00% | +37+20.6% | Added |