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 2022
Institutional positions in Westlake Corp as of Dec 31, 2022. 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
- 344
- +32 vs. Q3 2022
- Shares held
- 36.4M
- +1.54M (+4.4%) vs. Q3 2022
- Total value
- $3.73B
- +$703.7M (+23.2%) vs. Q3 2022
- New holders
- 74
- 105 more added
- Sold out
- 42
- 118 more reduced
9 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pinebridge Investments, L.P. | 23,058 | $2.36M | 0.03% | +1,410+6.5% | Added |
| State of New Jersey Common Pension Fund D | 22,995 | $2.36M | 0.01% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 22,269 | $2.28M | 0.05% | −3,387−13.2% | Reduced |
| Covalis Capital LLP | 21,658 | $2.22M | 0.53% | −16,437−43.1% | Reduced |
| MetLife Investment Management | 21,651 | $2.22M | 0.02% | +20,973+3,093.4% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 21,412 | $2.20M | 0.01% | +879+4.3% | Added |
| American Century Companies Inc | 21,384 | $2.19M | 0.00% | +5,346+33.3% | Added |
| UBS Group AG | 21,158 | $2.17M | 0.00% | +18,288+637.2% | Added |
| PEAK6 Investments LLC | 21,091 | $2.16M | 0.12% | −7,860−27.1% | Reduced |
| Comerica Bank | 18,671 | $2.10M | 0.02% | +15,211+439.6% | Added |
| Advisor Group Holdings, Inc. | 20,341 | $2.09M | 0.00% | +10,501+106.7% | Added |
| Alaska Permanent Fund Corp | 19,300 | $1.98M | 0.03% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 19,138 | $1.96M | 0.01% | −2,444−11.3% | Reduced |
| Twin Capital Management Inc | 19,108 | $1.96M | 0.25% | −1,485−7.2% | Reduced |
| Agf Management Ltd | 18,666 | $1.91M | 0.01% | +18,666 | New |
| Yousif Capital Management, LLC | 18,467 | $1.89M | 0.02% | +18,467 | New |
| ProShare Advisors LLC | 17,691 | $1.81M | 0.01% | +17,691 | New |
| Public Employees Retirement System of Ohio | 17,518 | $1.80M | 0.01% | −1,061−5.7% | Reduced |
| Treasurer of the State of North Carolina | 17,349 | $1.78M | 0.01% | +3,209+22.7% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 16,950 | $1.74M | 0.20% | 00.0% | Unchanged |
| Navellier & Associates Inc | 16,817 | $1.72M | 0.35% | −7,769−31.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 16,800 | $1.72M | 0.01% | −107,016−86.4% | Reduced |
| Oregon Public Employees Retirement Fund | 16,471 | $1.69M | 0.02% | +8,605+109.4% | Added |
| CI Private Wealth, LLC | 16,116 | $1.65M | 0.01% | +16,116 | New |
| Thrivent Financial for Lutherans | 16,099 | $1.65M | 0.00% | −59,143−78.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 16,413 | $1.63M | 0.00% | +5,251+47.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 15,491 | $1.59M | 0.01% | +15,491 | New |
| Cambria Investment Management, L.P. | 15,288 | $1.57M | 0.13% | +1,784+13.2% | Added |
| SEI Investments Co | 15,151 | $1.55M | 0.00% | −31,608−67.6% | Reduced |
| Mirabella Financial Services LLP | 15,138 | $1.55M | 0.14% | +15,138 | New |
| Ameritas Investment Partners, Inc. | 13,995 | $1.54M | 0.06% | +10,095+258.8% | Added |
| Asset Management One Co.,Ltd. | 14,666 | $1.51M | 0.01% | −1,152−7.3% | Reduced |
| Gotham Asset Management, LLC | 14,507 | $1.49M | 0.04% | −440−2.9% | Reduced |
| CWM Advisors, LLC | 14,493 | $1.49M | 0.19% | +11,107+328.0% | Added |
| KBC Group NV | 13,921 | $1.43M | 0.01% | +1,503+12.1% | Added |
| Allianz Asset Management GmbH | 13,807 | $1.42M | 0.00% | −2,791−16.8% | Reduced |
| New York State Teachers Retirement System | 12,701 | $1.30M | 0.00% | +9,801+338.0% | Added |
| Voloridge Investment Management, LLC | 12,384 | $1.27M | 0.01% | +12,384 | New |
| Lazard Asset Management LLC | 12,302 | $1.26M | 0.00% | −1,809−12.8% | Reduced |
| Bokf, NA | 11,879 | $1.22M | 0.02% | +113+1.0% | Added |
| DnB Asset Management AS | 11,811 | $1.21M | 0.01% | +560+5.0% | Added |
| Larson Financial Group LLC | 11,803 | $1.21M | 0.14% | +8,194+227.0% | Added |
| Russell Investments Group, Ltd. | 11,771 | $1.21M | 0.00% | −61,547−83.9% | Reduced |
| Paradigm Capital Management Inc | 11,600 | $1.19M | 0.08% | 00.0% | Unchanged |
| IFP Advisors, Inc | 10,174 | $1.19M | 0.04% | +9,818+2,757.9% | Added |
| Pictet Asset Management SA | 11,557 | $1.19M | 0.00% | −1,159−9.1% | Reduced |
| Toronto Dominion Bank | 11,217 | $1.15M | 0.00% | +2,921+35.2% | Added |
| HSBC Holdings PLC | 11,001 | $1.13M | 0.00% | −58,432−84.2% | Reduced |
| L2 Asset Management, LLC | 10,887 | $1.12M | 0.72% | −479−4.2% | Reduced |
| Arizona State Retirement System | 10,866 | $1.11M | 0.01% | +295+2.8% | Added |
| Valeo Financial Advisors, LLC | 10,786 | $1.11M | 0.06% | +18+0.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,462 | $1.07M | 0.01% | +3,703+54.8% | Added |
| Two Sigma Investments, LP | 10,300 | $1.06M | 0.00% | +10,300 | New |
| Neuberger Berman Group LLC | 10,274 | $1.05M | 0.00% | −2,073−16.8% | Reduced |
| Ontario Teachers Pension Plan Board | 9,954 | $1.02M | 0.01% | +6,509+188.9% | Added |
| State of Michigan Retirement System | 9,900 | $1.02M | 0.01% | +9,900 | New |
| Illinois Municipal Retirement Fund | 9,846 | $1.01M | 0.02% | 00.0% | Unchanged |
| Recurrent Investment Advisors LLC | 9,631 | $987.6K | 0.21% | 00.0% | Unchanged |
| Sagefield Capital LP | 9,590 | $983.4K | 0.25% | −7,544−44.0% | Reduced |
| V Wealth Advisors LLC | 9,566 | $980.9K | 0.20% | −3,745−28.1% | Reduced |
| Louisiana State Employees Retirement System | 9,200 | $943.0K | 0.03% | +9,200 | New |
| Diametric Capital, LP | 9,115 | $934.7K | 0.45% | −7,914−46.5% | Reduced |
| Millennium Management LLC | 8,453 | $867.0K | 0.00% | −121,133−93.5% | Reduced |
| Nomura Asset Management Co Ltd | 8,403 | $861.6K | 0.01% | 00.0% | Unchanged |
| M&G Investment Management Ltd | 8,282 | $853.0K | 0.01% | −1,689−16.9% | Reduced |
| Dynamic Technology Lab Private Ltd | 8,049 | $825.0K | 0.08% | +8,049 | New |
| IFM Investors Pty Ltd | 7,998 | $820.1K | 0.01% | +1,300+19.4% | Added |
| Empirical Finance, LLC | 7,950 | $815.2K | 0.08% | +62+0.8% | Added |
| Truist Financial Corp | 7,890 | $809.0K | 0.00% | −13,771−63.6% | Reduced |
| Nisa Investment Advisors, LLC | 7,861 | $806.0K | 0.01% | −987−11.2% | Reduced |
| Cetera Advisor Networks LLC | 7,638 | $783.2K | 0.01% | −1,062−12.2% | Reduced |
| Nations Financial Group Inc, | 7,271 | $745.6K | 0.08% | +7,271 | New |
| Skandinaviska Enskilda Banken AB (publ) | 7,247 | $743.0K | 0.01% | −30,600−80.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 7,012 | $719.0K | 0.11% | +7,012 | New |
| Winton Group Ltd | 7,011 | $718.9K | 0.05% | +7,011 | New |
| Pettee Investors, Inc. | 6,711 | $688.0K | 0.34% | 00.0% | Unchanged |
| Martingale Asset Management L P | 6,657 | $682.6K | 0.01% | −3,853−36.7% | Reduced |
| Bayesian Capital Management, LP | 6,647 | $681.6K | 0.10% | +2,900+77.4% | Added |
| CFO4Life Group, LLC | 6,486 | $665.1K | 0.14% | +88+1.4% | Added |
| CFO4Life, L.P. | 6,486 | $665.1K | 0.14% | +6,486 | New |
| Gulf International Bank (UK) Ltd | 6,440 | $660.0K | 0.01% | +6,000+1,363.6% | Added |
| Denali Advisors LLC | 6,300 | $646.0K | 0.27% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 6,200 | $636.0K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 6,045 | $619.9K | 0.13% | +1,858+44.4% | Added |
| Greenland Capital Management LP | 6,000 | $615.2K | 0.11% | +6,000 | New |
| Vestcor Inc | 5,999 | $615.0K | 0.02% | +12+0.2% | Added |
| Thompson Siegel & Walmsley LLC | 5,909 | $606.0K | 0.01% | −21,948−78.8% | Reduced |
| Utah Retirement Systems | 5,888 | $603.8K | 0.01% | −100−1.7% | Reduced |
| Jane Street Group, LLC | 5,716 | $586.1K | 0.00% | −60,424−91.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 5,670 | $582.0K | 0.01% | +5,670 | New |
| Prelude Capital Management, LLC | 5,580 | $572.2K | 0.04% | −3,579−39.1% | Reduced |
| Achmea Investment Management B.V. | 5,840 | $561.0K | 0.02% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 5,400 | $554.0K | 0.03% | +5,400 | New |
| Public Employees Retirement Association of Colorado | 5,364 | $550.0K | 0.00% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 4,997 | $512.4K | 0.03% | +4,997 | New |
| Unison Advisors LLC | 4,958 | $508.4K | 0.07% | +14+0.3% | Added |
| Bank of Montreal | 4,910 | $504.8K | 0.00% | +4,910 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 4,687 | $481.0K | 0.00% | +4,687 | New |
| JustInvest LLC | 4,629 | $474.7K | 0.02% | −2,942−38.9% | Reduced |
| Voya Investment Management LLC | 4,594 | $471.1K | 0.00% | −505−9.9% | Reduced |