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 2023
Institutional positions in Westlake Corp as of Jun 30, 2023. 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
- 340
- −1 vs. Q1 2023
- Shares held
- 37.0M
- −1.34M (−3.5%) vs. Q1 2023
- Total value
- $4.42B
- +$15.4M (+0.4%) vs. Q1 2023
- New holders
- 45
- 104 more added
- Sold out
- 46
- 128 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Edgestream Partners, L.P. | 26,985 | $3.22M | 0.29% | +26,985 | New |
| Prudential Financial Inc | 26,941 | $3.22M | 0.00% | +3,111+13.1% | Added |
| Mercer Global Advisors Inc | 26,318 | $3.14M | 0.01% | −1,813−6.4% | Reduced |
| Millennium Management LLC | 25,781 | $3.08M | 0.00% | +22,253+630.8% | Added |
| Mutual of America Capital Management LLC | 25,069 | $2.99M | 0.03% | −2,620−9.5% | Reduced |
| Great West Life Assurance Co | 24,760 | $2.96M | 0.01% | −3,392−12.0% | Reduced |
| Acadian Asset Management LLC | 24,553 | $2.93M | 0.01% | −212−0.9% | Reduced |
| Advisor Group Holdings, Inc. | 24,081 | $2.92M | 0.01% | +1,088+4.7% | Added |
| Duality Advisers, LP | 24,269 | $2.90M | 0.36% | +24,269 | New |
| CWM Advisors, LLC | 23,806 | $2.84M | 0.34% | +9,412+65.4% | Added |
| Jump Financial, LLC | 23,722 | $2.83M | 0.10% | +23,722 | New |
| State of New Jersey Common Pension Fund D | 22,995 | $2.75M | 0.01% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 22,199 | $2.65M | 0.01% | +822+3.8% | Added |
| Alaska Permanent Fund Corp | 20,900 | $2.50M | 0.05% | +20,900 | New |
| Amalgamated Bank | 20,824 | $2.49M | 0.02% | −1,337−6.0% | Reduced |
| MetLife Investment Management | 20,612 | $2.46M | 0.02% | −474−2.2% | Reduced |
| LMCG Investments, LLC | 19,652 | $2.35M | 0.15% | +295+1.5% | Added |
| Agf Management Ltd | 18,270 | $2.18M | 0.02% | −938−4.9% | Reduced |
| Yousif Capital Management, LLC | 17,767 | $2.12M | 0.03% | −545−3.0% | Reduced |
| Versor Investments LP | 17,574 | $2.10M | 0.36% | +13,274+308.7% | Added |
| Treasurer of the State of North Carolina | 17,486 | $2.09M | 0.01% | −283−1.6% | Reduced |
| Quantbot Technologies LP | 17,078 | $2.04M | 0.13% | +17,078 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 16,977 | $2.03M | 0.00% | +40.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,659 | $1.99M | 0.02% | +1,149+7.4% | Added |
| Public Employees Retirement System of Ohio | 16,571 | $1.98M | 0.01% | −450−2.6% | Reduced |
| CI Private Wealth, LLC | 16,504 | $1.97M | 0.00% | −517−3.0% | Reduced |
| Empowered Funds, LLC | 16,476 | $1.97M | 0.07% | +16,476 | New |
| EA Series Trust | 16,476 | $1.97M | 0.07% | +16,476 | New |
| Oregon Public Employees Retirement Fund | 16,446 | $1.96M | 0.02% | +447+2.8% | Added |
| Nisa Investment Advisors, LLC | 16,424 | $1.96M | 0.01% | −2,048−11.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,337 | $1.95M | 0.01% | +6,514+66.3% | Added |
| SEI Investments Co | 16,276 | $1.94M | 0.00% | −209−1.3% | Reduced |
| Twin Capital Management Inc | 15,814 | $1.89M | 0.25% | −1,867−10.6% | Reduced |
| Renaissance Technologies LLC | 15,600 | $1.86M | 0.00% | +15,600 | New |
| Hussman Strategic Advisors, Inc. | 15,500 | $1.85M | 0.34% | −15,500−50.0% | Reduced |
| Financial Enhancement Group LLC | 13,701 | $1.84M | 0.34% | +3,877+39.5% | Added |
| Neuberger Berman Group LLC | 15,406 | $1.84M | 0.00% | +4,261+38.2% | Added |
| New York State Teachers Retirement System | 15,365 | $1.84M | 0.00% | +2,273+17.4% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 15,350 | $1.83M | 0.19% | −1,600−9.4% | Reduced |
| KBC Group NV | 15,170 | $1.81M | 0.01% | −8,048−34.7% | Reduced |
| Connectus Wealth, LLC | 14,849 | $1.77M | 0.04% | +14,849 | New |
| Larson Financial Group LLC | 14,356 | $1.72M | 0.17% | +1,974+15.9% | Added |
| Recurrent Investment Advisors LLC | 14,046 | $1.68M | 0.28% | +1,315+10.3% | Added |
| Ameritas Investment Partners, Inc. | 13,706 | $1.64M | 0.06% | −289−2.1% | Reduced |
| Two Sigma Investments, LP | 13,500 | $1.61M | 0.00% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 13,490 | $1.61M | 0.03% | −8,939−39.9% | Reduced |
| Asset Management One Co.,Ltd. | 13,299 | $1.59M | 0.01% | −1,039−7.2% | Reduced |
| Panagora Asset Management Inc | 13,147 | $1.57M | 0.01% | 00.0% | Unchanged |
| Truist Financial Corp | 12,948 | $1.55M | 0.00% | +5,167+66.4% | Added |
| O'Shaughnessy Asset Management, LLC | 12,509 | $1.49M | 0.02% | −407−3.2% | Reduced |
| Greenland Capital Management LP | 12,140 | $1.45M | 0.21% | −1,860−13.3% | Reduced |
| Diametric Capital, LP | 11,878 | $1.42M | 0.63% | +3,980+50.4% | Added |
| Pictet Asset Management SA | 11,762 | $1.41M | 0.00% | +50.0% | Added |
| DnB Asset Management AS | 11,394 | $1.36M | 0.01% | −11,733−50.7% | Reduced |
| Ergoteles LLC | 11,352 | $1.36M | 0.07% | +11,352 | New |
| SG Americas Securities, LLC | 10,752 | $1.28M | 0.01% | +6,526+154.4% | Added |
| Arizona State Retirement System | 10,456 | $1.25M | 0.01% | −667−6.0% | Reduced |
| Louisiana State Employees Retirement System | 10,100 | $1.21M | 0.03% | +1,000+11.0% | Added |
| Illinois Municipal Retirement Fund | 9,846 | $1.18M | 0.02% | 00.0% | Unchanged |
| Man Group plc | 9,788 | $1.17M | 0.00% | – | – |
| State of Michigan Retirement System | 9,600 | $1.15M | 0.01% | −200−2.0% | Reduced |
| Nations Financial Group Inc, | 9,468 | $1.13M | 0.11% | +299+3.3% | Added |
| Toronto Dominion Bank | 9,189 | $1.10M | 0.00% | −1,418−13.4% | Reduced |
| Baird Financial Group, Inc. | 9,096 | $1.09M | 0.00% | +9,096 | New |
| Thrivent Financial for Lutherans | 8,895 | $1.06M | 0.00% | −7,120−44.5% | Reduced |
| Nomura Asset Management Co Ltd | 8,550 | $1.02M | 0.00% | 00.0% | Unchanged |
| V Wealth Advisors LLC | 8,500 | $1.02M | 0.17% | −160−1.8% | Reduced |
| Cresset Asset Management, LLC | 8,412 | $1.01M | 0.01% | +8,412 | New |
| Korea Investment CORP | 8,204 | $980.1K | 0.00% | −8,077−49.6% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 7,659 | $915.0K | 0.02% | +20+0.3% | Added |
| Jane Street Group, LLC | 7,497 | $895.7K | 0.00% | −4,603−38.0% | Reduced |
| AustralianSuper Pty Ltd | 7,342 | $877.1K | 0.01% | −49,690−87.1% | Reduced |
| Kingsview Wealth Management, LLC | 7,267 | $868.2K | 0.03% | +7,267 | New |
| Skandinaviska Enskilda Banken AB (publ) | 7,201 | $860.0K | 0.01% | −46−0.6% | Reduced |
| Handelsbanken Fonder AB | 7,200 | $860.0K | 0.00% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 7,093 | $847.4K | 0.01% | −3,044−30.0% | Reduced |
| Tredje AP-fonden | 7,008 | $837.2K | 0.01% | +7,008 | New |
| New Mexico Educational Retirement Board | 7,000 | $836.0K | 0.04% | +800+12.9% | Added |
| Pettee Investors, Inc. | 6,711 | $801.8K | 0.36% | 00.0% | Unchanged |
| Toroso Investments, LLC | 6,351 | $759.0K | 0.02% | −821−11.4% | Reduced |
| XTX Topco Ltd | 6,255 | $747.3K | 0.13% | +6,255 | New |
| Teachers Retirement System of the State of Kentucky | 6,254 | $747.0K | 0.01% | +584+10.3% | Added |
| Russell Investments Group, Ltd. | 6,229 | $744.2K | 0.00% | −6,539−51.2% | Reduced |
| Vestcor Inc | 5,999 | $717.0K | 0.03% | 00.0% | Unchanged |
| Voya Investment Management LLC | 5,869 | $701.2K | 0.00% | +676+13.0% | Added |
| Standard Life Aberdeen plc | 5,862 | $700.3K | 0.00% | −141−2.3% | Reduced |
| Achmea Investment Management B.V. | 5,840 | $698.0K | 0.01% | 00.0% | Unchanged |
| Cipher Capital LP | 5,835 | $697.1K | 0.12% | +5,835 | New |
| M&G Investment Management Ltd | 5,732 | $682.1K | 0.00% | −569−9.0% | Reduced |
| Sciencast Management LP | 5,403 | $653.5K | 0.53% | +5,403 | New |
| DekaBank Deutsche Girozentrale | 5,465 | $650.0K | 0.00% | +100+1.9% | Added |
| Public Employees Retirement Association of Colorado | 5,364 | $641.0K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 5,081 | $607.0K | 0.02% | +194+4.0% | Added |
| Unison Advisors LLC | 4,994 | $596.6K | 0.07% | +15+0.3% | Added |
| Captrust Financial Advisors | 4,953 | $591.7K | 0.00% | +637+14.8% | Added |
| Crossmark Global Holdings, Inc. | 4,270 | $585.0K | 0.01% | +899+26.7% | Added |
| Cambria Investment Management, L.P. | 4,694 | $560.8K | 0.05% | −1,133−19.4% | Reduced |
| Balyasny Asset Management LLC | 4,501 | $537.7K | 0.00% | −606,391−99.3% | Reduced |
| Empirical Finance, LLC | 4,447 | $531.3K | 0.04% | −3,503−44.1% | Reduced |
| Denali Advisors LLC | 4,322 | $516.3K | 0.18% | +303+7.5% | Added |