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 |
|---|---|---|---|---|---|
| KBC Group NV | 15,170 | $1.81M | 0.01% | −8,048−34.7% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 15,350 | $1.83M | 0.19% | −1,600−9.4% | Reduced |
| New York State Teachers Retirement System | 15,365 | $1.84M | 0.00% | +2,273+17.4% | Added |
| Neuberger Berman Group LLC | 15,406 | $1.84M | 0.00% | +4,261+38.2% | Added |
| Financial Enhancement Group LLC | 13,701 | $1.84M | 0.34% | +3,877+39.5% | Added |
| Hussman Strategic Advisors, Inc. | 15,500 | $1.85M | 0.34% | −15,500−50.0% | Reduced |
| Renaissance Technologies LLC | 15,600 | $1.86M | 0.00% | +15,600 | New |
| Twin Capital Management Inc | 15,814 | $1.89M | 0.25% | −1,867−10.6% | Reduced |
| SEI Investments Co | 16,276 | $1.94M | 0.00% | −209−1.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,337 | $1.95M | 0.01% | +6,514+66.3% | Added |
| Nisa Investment Advisors, LLC | 16,424 | $1.96M | 0.01% | −2,048−11.1% | Reduced |
| Oregon Public Employees Retirement Fund | 16,446 | $1.96M | 0.02% | +447+2.8% | Added |
| Empowered Funds, LLC | 16,476 | $1.97M | 0.07% | +16,476 | New |
| EA Series Trust | 16,476 | $1.97M | 0.07% | +16,476 | New |
| CI Private Wealth, LLC | 16,504 | $1.97M | 0.00% | −517−3.0% | Reduced |
| Public Employees Retirement System of Ohio | 16,571 | $1.98M | 0.01% | −450−2.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,659 | $1.99M | 0.02% | +1,149+7.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 16,977 | $2.03M | 0.00% | +40.0% | Added |
| Quantbot Technologies LP | 17,078 | $2.04M | 0.13% | +17,078 | New |
| Treasurer of the State of North Carolina | 17,486 | $2.09M | 0.01% | −283−1.6% | Reduced |
| Versor Investments LP | 17,574 | $2.10M | 0.36% | +13,274+308.7% | Added |
| Yousif Capital Management, LLC | 17,767 | $2.12M | 0.03% | −545−3.0% | Reduced |
| Agf Management Ltd | 18,270 | $2.18M | 0.02% | −938−4.9% | Reduced |
| LMCG Investments, LLC | 19,652 | $2.35M | 0.15% | +295+1.5% | Added |
| MetLife Investment Management | 20,612 | $2.46M | 0.02% | −474−2.2% | Reduced |
| Amalgamated Bank | 20,824 | $2.49M | 0.02% | −1,337−6.0% | Reduced |
| Alaska Permanent Fund Corp | 20,900 | $2.50M | 0.05% | +20,900 | New |
| Mitsubishi UFJ Trust & Banking Corp | 22,199 | $2.65M | 0.01% | +822+3.8% | Added |
| State of New Jersey Common Pension Fund D | 22,995 | $2.75M | 0.01% | 00.0% | Unchanged |
| Jump Financial, LLC | 23,722 | $2.83M | 0.10% | +23,722 | New |
| CWM Advisors, LLC | 23,806 | $2.84M | 0.34% | +9,412+65.4% | Added |
| Duality Advisers, LP | 24,269 | $2.90M | 0.36% | +24,269 | New |
| Advisor Group Holdings, Inc. | 24,081 | $2.92M | 0.01% | +1,088+4.7% | Added |
| Acadian Asset Management LLC | 24,553 | $2.93M | 0.01% | −212−0.9% | Reduced |
| Great West Life Assurance Co | 24,760 | $2.96M | 0.01% | −3,392−12.0% | Reduced |
| Mutual of America Capital Management LLC | 25,069 | $2.99M | 0.03% | −2,620−9.5% | Reduced |
| Millennium Management LLC | 25,781 | $3.08M | 0.00% | +22,253+630.8% | Added |
| Mercer Global Advisors Inc | 26,318 | $3.14M | 0.01% | −1,813−6.4% | Reduced |
| Prudential Financial Inc | 26,941 | $3.22M | 0.00% | +3,111+13.1% | Added |
| Edgestream Partners, L.P. | 26,985 | $3.22M | 0.29% | +26,985 | New |
| Manufacturers Life Insurance Company, The | 27,036 | $3.23M | 0.00% | −965−3.4% | Reduced |
| LPL Financial LLC | 27,449 | $3.28M | 0.00% | +2,159+8.5% | Added |
| Worldquant Millennium Advisors LLC | 27,712 | $3.31M | 0.06% | +27,712 | New |
| State of Alaska, Department of Revenue | 28,208 | $3.37M | 0.04% | −471−1.6% | Reduced |
| Clark Estates Inc | 28,600 | $3.42M | 0.58% | 00.0% | Unchanged |
| Deutsche Bank AG | 29,587 | $3.53M | 0.00% | +1,461+5.2% | Added |
| Texas Permanent School Fund | 30,344 | $3.63M | 0.03% | −538−1.7% | Reduced |
| Royal Bank of Canada | 30,614 | $3.66M | 0.00% | +1,441+4.9% | Added |
| BNP Paribas Arbitrage, SA | 30,670 | $3.66M | 0.01% | −11,337−27.0% | Reduced |
| New York State Common Retirement Fund | 31,271 | $3.74M | 0.00% | −2,223−6.6% | Reduced |
| HSBC Holdings PLC | 31,621 | $3.78M | 0.00% | +19,210+154.8% | Added |
| Raymond James & Associates | 31,674 | $3.78M | 0.00% | +19,270+155.4% | Added |
| California Public Employees Retirement System | 32,544 | $3.89M | 0.00% | +12,080+59.0% | Added |
| State Board of Administration of Florida Retirement System | 32,554 | $3.89M | 0.01% | −1,599−4.7% | Reduced |
| State of Tennessee, Treasury Department | 32,584 | $3.89M | 0.02% | −2,398−6.9% | Reduced |
| Ensign Peak Advisors, Inc | 33,040 | $3.95M | 0.01% | −32,510−49.6% | Reduced |
| Quantinno Capital Management LP | 33,456 | $4.00M | 0.23% | +1,135+3.5% | Added |
| Ambassador Advisors, LLC | 30,698 | $4.06M | 0.94% | −852−2.7% | Reduced |
| State of Wisconsin Investment Board | 34,751 | $4.15M | 0.01% | −4,231−10.9% | Reduced |
| Occudo Quantitative Strategies LP | 35,337 | $4.22M | 0.44% | +29,576+513.4% | Added |
| Smith, Graham & Co., Investment Advisors, LP | 35,675 | $4.26M | 0.52% | −350−1.0% | Reduced |
| Fort Pitt Capital Group, LLC | 36,392 | $4.35M | 0.16% | −11,147−23.4% | Reduced |
| Wellington Management Group LLP | 36,611 | $4.37M | 0.00% | +7,855+27.3% | Added |
| Price T Rowe Associates Inc | 36,616 | $4.38M | 0.00% | +9,349+34.3% | Added |
| Pinebridge Investments, L.P. | 37,833 | $4.52M | 0.05% | +15,137+66.7% | Added |
| Amundi | 42,459 | $5.11M | 0.00% | +11,483+37.1% | Added |
| Squarepoint Ops LLC | 43,048 | $5.14M | 0.03% | +20,719+92.8% | Added |
| Retirement Systems of Alabama | 44,413 | $5.31M | 0.02% | −581−1.3% | Reduced |
| Envestnet Asset Management Inc | 45,230 | $5.40M | 0.00% | −508,856−91.8% | Reduced |
| Citigroup Inc | 45,903 | $5.48M | 0.01% | +24,217+111.7% | Added |
| Barclays PLC | 50,325 | $6.01M | 0.00% | +17,035+51.2% | Added |
| STRS Ohio | 50,693 | $6.06M | 0.03% | +3,593+7.6% | Added |
| American International Group, Inc. | 51,962 | $6.21M | 0.04% | −1,156−2.2% | Reduced |
| Gotham Asset Management, LLC | 55,111 | $6.58M | 0.14% | +34,182+163.3% | Added |
| Polar Asset Management Partners Inc. | 56,500 | $6.75M | 0.13% | +56,500 | New |
| California State Teachers Retirement System | 56,948 | $6.80M | 0.01% | −1,355−2.3% | Reduced |
| Cerity Partners LLC | 61,440 | $7.34M | 0.03% | −452−0.7% | Reduced |
| Credit Suisse AG | 62,873 | $7.51M | 0.01% | +6,679+11.9% | Added |
| UBS Group AG | 64,725 | $7.73M | 0.00% | +52,179+415.9% | Added |
| Contravisory Investment Management, Inc. | 66,410 | $7.93M | 2.10% | +1,694+2.6% | Added |
| Winmill & Co. Inc | 70,000 | $8.36M | 2.99% | 00.0% | Unchanged |
| Aviva PLC | 71,578 | $8.55M | 0.03% | +46,845+189.4% | Added |
| Vident Investment Advisory, LLC | 71,646 | $8.56M | 0.29% | −3,696−4.9% | Reduced |
| Wedge Capital Management L L P | 72,622 | $8.68M | 0.14% | +19,307+36.2% | Added |
| Alyeska Investment Group, L.P. | 76,067 | $9.09M | 0.07% | +26,990+55.0% | Added |
| Moran Wealth Management, LLC | 78,054 | $9.33M | 0.35% | +3,150+4.2% | Added |
| Alliancebernstein L.P. | 78,511 | $9.38M | 0.00% | −952−1.2% | Reduced |
| Lazard Asset Management LLC | 86,796 | $10.4M | 0.01% | −38,010−30.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 89,272 | $10.7M | 0.39% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 91,204 | $10.9M | 0.01% | −22,300−19.6% | Reduced |
| Tudor Investment Corp Et Al | 95,988 | $11.5M | 0.19% | +58,744+157.7% | Added |
| JPMorgan Chase & Co | 96,588 | $11.5M | 0.00% | −9,028−8.5% | Reduced |
| Wells Fargo & Company | 97,489 | $11.6M | 0.00% | −15,060−13.4% | Reduced |
| ExodusPoint Capital Management, LP | 98,350 | $11.8M | 0.14% | +95,804+3,762.9% | Added |
| Sprott Inc. | 100,000 | $11.9M | 1.09% | −5,000−4.8% | Reduced |
| Bank of America Corp | 100,417 | $12.0M | 0.00% | −42,571−29.8% | Reduced |
| Virginia Retirement Systems Et Al | 102,561 | $12.3M | 0.12% | +200+0.2% | Added |
| Rhumbline Advisers | 102,838 | $12.3M | 0.01% | +970+1.0% | Added |
| Caisse de Depot Et Placement du Quebec | 104,530 | $12.5M | 0.03% | −156,382−59.9% | Reduced |
| Yaupon Capital Management LP | 120,201 | $14.4M | 1.94% | +120,201 | New |