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 |
|---|---|---|---|---|---|
| Macquarie Group Ltd | 3,221 | $163.7K | 0.00% | +2,384+284.8% | Added |
| Kimelman & Baird, LLC | 1,500 | $172.0K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 1,551 | $177.9K | 0.00% | −4−0.3% | Reduced |
| Credit Agricole S A | 1,562 | $179.1K | 0.00% | +362+30.2% | Added |
| CIBC World Markets Corp | 1,746 | $200.2K | 0.00% | −502−22.3% | Reduced |
| Optas, LLC | 1,799 | $206.3K | 0.04% | +1,799 | New |
| Utah Retirement Systems | 1,800 | $206.4K | 0.00% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 1,807 | $207.2K | 0.04% | −10,457−85.3% | Reduced |
| Prudential PLC | 1,866 | $213.9K | 0.00% | 00.0% | Unchanged |
| Vident Advisory, LLC | 1,874 | $214.9K | 0.00% | +363+24.0% | Added |
| RSM US Wealth Management LLC | 1,896 | $215.1K | 0.00% | −155−7.6% | Reduced |
| Maryland State Retirement & Pension System | 1,915 | $219.6K | 0.00% | 00.0% | Unchanged |
| Net Worth Advisory Group | 1,927 | $220.9K | 0.07% | −16−0.8% | Reduced |
| Tyche Wealth Partners LLC | 1,933 | $221.6K | 0.05% | −424−18.0% | Reduced |
| Cercano Management LLC | 1,978 | $226.8K | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 1,995 | $228.7K | 0.00% | −155−7.2% | Reduced |
| Keybank National Association | 2,022 | $231.8K | 0.00% | −13−0.6% | Reduced |
| US Bancorp | 2,028 | $232.5K | 0.00% | +89+4.6% | Added |
| Eagle Global Advisors LLC | 2,066 | $236.9K | 0.01% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 2,089 | $239.5K | 0.00% | −13,783−86.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 2,181 | $250.1K | 0.00% | −382−14.9% | Reduced |
| Advisor Group Holdings, Inc. | 2,224 | $254.7K | 0.00% | +77+3.6% | Added |
| Simplex Trading, LLC | 2,229 | $255.0K | 0.01% | +2,229 | New |
| CWM Advisors, LLC | 2,246 | $257.5K | 0.03% | +343+18.0% | Added |
| Twinbeech Capital LP | 2,292 | $262.8K | 0.00% | +2,292 | New |
| Forum Financial Management, LP | 2,393 | $274.4K | 0.00% | +428+21.8% | Added |
| Oppenheimer & Co Inc | 2,485 | $284.9K | 0.00% | −139−5.3% | Reduced |
| Securian Asset Management, Inc | 2,503 | $287.0K | 0.01% | −100−3.8% | Reduced |
| Brown Advisory Inc | 2,530 | $290.0K | 0.00% | +71+2.9% | Added |
| Sigma Planning Corp | 2,531 | $290.2K | 0.01% | 00.0% | Unchanged |
| Westover Capital Advisors, LLC | 2,555 | $292.9K | 0.06% | −262−9.3% | Reduced |
| Engineers Gate Manager LP | 2,599 | $298.0K | 0.01% | −20,050−88.5% | Reduced |
| Total Wealth Planning & Management, Inc. | 2,621 | $300.5K | 0.30% | +2,621 | New |
| PGGM Investments | 2,668 | $306.0K | 0.00% | 00.0% | Unchanged |
| Avanza Fonder AB | 2,680 | $307.3K | 0.01% | +2,680 | New |
| Lindenwold Advisors | 2,683 | $307.6K | 0.16% | −90−3.2% | Reduced |
| Crossmark Global Holdings, Inc. | 2,708 | $310.0K | 0.01% | −190−6.6% | Reduced |
| HighTower Advisors, LLC | 2,705 | $310.2K | 0.00% | +208+8.3% | Added |
| Wisconsin Wealth Advisors, LLC | 2,933 | $336.3K | 0.50% | +2,933 | New |
| Neuberger Berman Group LLC | 2,951 | $338.3K | 0.00% | −68−2.3% | Reduced |
| Cetera Investment Advisers | 3,007 | $344.8K | 0.00% | +136+4.7% | Added |
| Daiwa Securities Group Inc. | 3,024 | $347.0K | 0.00% | 00.0% | Unchanged |
| Yorktown Management & Research Co Inc | 3,050 | $349.7K | 0.34% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 3,068 | $351.0K | 0.01% | 00.0% | Unchanged |
| Applied Finance Capital Management, LLC | 3,128 | $358.6K | 0.02% | 00.0% | Unchanged |
| Union Bancaire Privee, UBP SA | 3,346 | $361.1K | 0.01% | +3,346 | New |
| Acadian Asset Management LLC | 3,201 | $366.0K | 0.00% | +3,201 | New |
| Captrust Financial Advisors | 3,216 | $368.7K | 0.00% | +21+0.7% | Added |
| Allianz Asset Management GmbH | 3,262 | $374.0K | 0.00% | +4+0.1% | Added |
| Commonwealth Equity Services, LLC | 3,372 | $387.0K | 0.00% | −894−21.0% | Reduced |
| James Investment Research Inc | 3,418 | $391.9K | 0.05% | −141−4.0% | Reduced |
| DekaBank Deutsche Girozentrale | 3,540 | $397.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 3,509 | $402.3K | 0.00% | −108−3.0% | Reduced |
| Campbell & CO Investment Adviser LLC | 3,549 | $406.9K | 0.03% | −19,559−84.6% | Reduced |
| Public Employees Retirement Association of Colorado | 3,650 | $418.0K | 0.00% | −1,103−23.2% | Reduced |
| Crestline Management, LP | 3,648 | $418.2K | 0.01% | +3,648 | New |
| Fieldview Capital Management, LLC | 3,929 | $450.5K | 0.07% | +3,929 | New |
| Intech Investment Management LLC | 3,960 | $454.0K | 0.00% | +2,610+193.3% | Added |
| Vestcor Inc | 3,981 | $456.0K | 0.02% | 00.0% | Unchanged |
| TD Asset Management Inc | 3,998 | $458.4K | 0.00% | +390+10.8% | Added |
| Quadrature Capital Ltd | 4,050 | $464.1K | 0.01% | −1,369−25.3% | Reduced |
| Voya Investment Management LLC | 4,072 | $466.9K | 0.00% | −290−6.6% | Reduced |
| Gotham Asset Management, LLC | 4,073 | $467.0K | 0.00% | −2,605−39.0% | Reduced |
| Prudential Financial Inc | 4,136 | $474.2K | 0.00% | −3,073−42.6% | Reduced |
| CIBC Asset Management Inc | 4,234 | $485.4K | 0.00% | +323+8.3% | Added |
| Susquehanna International Group, LLP | 4,310 | $494.1K | 0.00% | +4,310 | New |
| Transce3nd, LLC | 4,406 | $505.4K | 0.17% | +4,406 | New |
| Nordea Investment Management AB | 4,403 | $506.7K | 0.00% | −1,264−22.3% | Reduced |
| Nomura Holdings Inc | 4,440 | $509.0K | 0.00% | +4,440 | New |
| Kestra Investment Management, LLC | 4,445 | $509.6K | 0.02% | +682+18.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 4,550 | $521.7K | 0.01% | +47+1.0% | Added |
| Dark Forest Capital Management LP | 4,628 | $530.6K | 0.08% | +4,628 | New |
| IFM Investors Pty Ltd | 4,629 | $530.7K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,805 | $550.9K | 0.01% | +2,159+81.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,822 | $552.8K | 0.01% | +4,822 | New |
| Nissay Asset Management Corp | 4,877 | $557.3K | 0.00% | +104+2.2% | Added |
| Wealthcare Advisory Partners LLC | 4,954 | $568.0K | 0.02% | −2,217−30.9% | Reduced |
| Pacer Advisors, Inc. | 4,988 | $571.9K | 0.00% | +115+2.4% | Added |
| Sequent Planning LLC | 4,993 | $572.5K | 0.21% | −63−1.2% | Reduced |
| Versor Investments LP | 5,016 | $575.1K | 0.10% | −9,829−66.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,018 | $575.3K | 0.00% | −148−2.9% | Reduced |
| Unison Advisors LLC | 5,095 | $584.1K | 0.07% | +18+0.4% | Added |
| Toronto Dominion Bank | 5,190 | $595.0K | 0.00% | +335+6.9% | Added |
| Aigen Investment Management, LP | 5,251 | $602.0K | 0.11% | +355+7.3% | Added |
| Denali Advisors LLC | 5,422 | $622.0K | 0.07% | 00.0% | Unchanged |
| Farringdon Capital, Ltd. | 5,596 | $641.6K | 0.27% | +5,596 | New |
| Concentric Capital Strategies, LP | 5,889 | $675.2K | 0.04% | +5,889 | New |
| First Eagle Investment Management, LLC | 5,988 | $686.5K | 0.00% | 00.0% | Unchanged |
| Peterson Wealth Services | 6,400 | $733.8K | 0.22% | +484+8.2% | Added |
| Petrus Trust Company, LTA | 6,421 | $736.2K | 0.07% | +4,963+340.4% | Added |
| Walleye Capital LLC | 6,705 | $768.7K | 0.01% | −50,790−88.3% | Reduced |
| Pettee Investors, Inc. | 6,711 | $769.4K | 0.39% | 00.0% | Unchanged |
| LMCG Investments, LLC | 6,751 | $774.0K | 0.05% | −22,808−77.2% | Reduced |
| Oregon Public Employees Retirement Fund | 6,768 | $776.0K | 0.01% | −10−0.1% | Reduced |
| Creative Planning | 6,772 | $776.4K | 0.00% | +1,130+20.0% | Added |
| Centiva Capital, LP | 6,835 | $783.6K | 0.03% | −1,950−22.2% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 6,900 | $787.1K | 0.01% | −2,100−23.3% | Reduced |
| Xponance, Inc. | 6,877 | $788.4K | 0.01% | +1,507+28.1% | Added |
| JustInvest LLC | 6,924 | $793.8K | 0.01% | +1,008+17.0% | Added |
| RiverFront Investment Group, LLC | 6,972 | $799.3K | 0.02% | −1,028−12.9% | Reduced |