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, Q1 2024
Institutional positions in Westlake Corp as of Mar 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
- 347
- −8 vs. Q4 2023
- Shares held
- 34.8M
- −1.23M (−3.4%) vs. Q4 2023
- Total value
- $5.29B
- +$250.9M (+5.0%) vs. Q4 2023
- New holders
- 45
- 121 more added
- Sold out
- 53
- 119 more reduced
2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Handelsbanken Fonder AB | 10,000 | $1.53M | 0.01% | −2,900−22.5% | Reduced |
| Recurrent Investment Advisors LLC | 10,161 | $1.55M | 0.18% | 00.0% | Unchanged |
| HSBC Holdings PLC | 10,321 | $1.58M | 0.00% | −5,938−36.5% | Reduced |
| CWM Advisors, LLC | 10,352 | $1.58M | 0.16% | −3,217−23.7% | Reduced |
| Nomura Asset Management Co Ltd | 10,456 | $1.60M | 0.01% | +349+3.5% | Added |
| Arizona State Retirement System | 10,573 | $1.62M | 0.01% | +45+0.4% | Added |
| New York State Teachers Retirement System | 10,587 | $1.62M | 0.00% | −1,156−9.8% | Reduced |
| Truist Financial Corp | 10,622 | $1.62M | 0.00% | −639−5.7% | Reduced |
| Nations Financial Group Inc, | 10,982 | $1.68M | 0.14% | +987+9.9% | Added |
| Standard Life Aberdeen plc | 10,984 | $1.68M | 0.00% | −239−2.1% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 11,300 | $1.73M | 0.02% | +2,300+25.6% | Added |
| Prudential Financial Inc | 11,563 | $1.77M | 0.00% | −6,792−37.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,945 | $1.83M | 0.02% | 00.0% | Unchanged |
| Resona Asset Management Co.,Ltd. | 11,990 | $1.83M | 0.01% | +11,990 | New |
| O'Shaughnessy Asset Management, LLC | 12,016 | $1.84M | 0.02% | +288+2.5% | Added |
| Ameritas Investment Partners, Inc. | 12,164 | $1.86M | 0.06% | −95−0.8% | Reduced |
| Occudo Quantitative Strategies LP | 12,192 | $1.86M | 0.33% | +12,192 | New |
| Public Employees Retirement System of Ohio | 12,383 | $1.89M | 0.01% | −3,133−20.2% | Reduced |
| Pictet Asset Management Holding SA | 12,510 | $1.91M | 0.00% | +586+4.9% | Added |
| Panagora Asset Management Inc | 13,147 | $2.01M | 0.01% | 00.0% | Unchanged |
| Ambassador Advisors, LLC | 13,168 | $2.01M | 0.37% | +87+0.7% | Added |
| Wealthfront Advisers LLC | 13,270 | $2.03M | 0.01% | +1,361+11.4% | Added |
| CI Private Wealth, LLC | 13,768 | $2.10M | 0.00% | −1,956−12.4% | Reduced |
| Illinois Municipal Retirement Fund | 13,975 | $2.13M | 0.03% | 00.0% | Unchanged |
| Duality Advisers, LP | 14,270 | $2.18M | 0.22% | +9,728+214.2% | Added |
| Treasurer of the State of North Carolina | 14,450 | $2.21M | 0.01% | −17,347−54.6% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 14,650 | $2.24M | 0.19% | 00.0% | Unchanged |
| Caisse de Depot Et Placement du Quebec | 14,686 | $2.24M | 0.01% | −67,465−82.1% | Reduced |
| Asset Management One Co.,Ltd. | 14,720 | $2.25M | 0.01% | −1,126−7.1% | Reduced |
| SEI Investments Co | 14,771 | $2.26M | 0.00% | +2,382+19.2% | Added |
| Yousif Capital Management, LLC | 14,965 | $2.29M | 0.03% | −323−2.1% | Reduced |
| Susquehanna International Group, LLP | 15,230 | $2.33M | 0.00% | −6,927−31.3% | Reduced |
| Mn Services Vermogensbeheer B.V. | 15,600 | $2.38M | 0.02% | +15,600 | New |
| Royal Bank of Canada | 17,192 | $2.63M | 0.00% | −613−3.4% | Reduced |
| Price T Rowe Associates Inc | 17,355 | $2.65M | 0.00% | −24,942−59.0% | Reduced |
| MetLife Investment Management | 17,606 | $2.69M | 0.02% | −464−2.6% | Reduced |
| New York State Common Retirement Fund | 17,977 | $2.75M | 0.00% | −2,005−10.0% | Reduced |
| Gotham Asset Management, LLC | 18,807 | $2.87M | 0.04% | +4,178+28.6% | Added |
| Mutual of America Capital Management LLC | 19,087 | $2.92M | 0.03% | −722−3.6% | Reduced |
| Agf Management Ltd | 19,453 | $2.97M | 0.02% | +345+1.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 19,589 | $2.99M | 0.01% | −1,241−6.0% | Reduced |
| Danske Bank A/S | 21,012 | $3.21M | 0.01% | +21,012 | New |
| Susquehanna Fundamental Investments, LLC | 21,294 | $3.25M | 0.15% | +21,294 | New |
| Fort Pitt Capital Group, LLC | 21,374 | $3.27M | 0.10% | −10,959−33.9% | Reduced |
| State of New Jersey Common Pension Fund D | 21,838 | $3.34M | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 21,849 | $3.34M | 0.03% | −37−0.2% | Reduced |
| LPL Financial LLC | 21,950 | $3.35M | 0.00% | +1,901+9.5% | Added |
| South Dakota Investment Council | 22,155 | $3.38M | 0.07% | −2,000−8.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 22,179 | $3.39M | 0.00% | +258+1.2% | Added |
| Envestnet Asset Management Inc | 23,281 | $3.56M | 0.00% | +670+3.0% | Added |
| Raymond James & Associates | 23,584 | $3.60M | 0.00% | −14,466−38.0% | Reduced |
| Dana Investment Advisors, Inc. | 23,619 | $3.61M | 0.12% | +23,619 | New |
| Cresset Asset Management, LLC | 23,762 | $3.63M | 0.02% | +13,367+128.6% | Added |
| Manufacturers Life Insurance Company, The | 24,364 | $3.72M | 0.00% | −238−1.0% | Reduced |
| Comerica Bank | 24,490 | $3.74M | 0.02% | +3,710+17.9% | Added |
| Mercer Global Advisors Inc | 25,682 | $3.92M | 0.01% | +786+3.2% | Added |
| State Board of Administration of Florida Retirement System | 34,153 | $3.96M | 0.01% | +2,718+8.6% | Added |
| STRS Ohio | 26,625 | $4.07M | 0.02% | −7,263−21.4% | Reduced |
| QRG Capital Management, Inc. | 26,984 | $4.12M | 0.05% | +1,397+5.5% | Added |
| State of Alaska, Department of Revenue | 27,398 | $4.19M | 0.05% | 00.0% | Unchanged |
| Texas Permanent School Fund | 28,037 | $4.28M | 0.03% | +285+1.0% | Added |
| LMCG Investments, LLC | 28,821 | $4.40M | 0.26% | +294+1.0% | Added |
| Two Sigma Investments, LP | 30,949 | $4.73M | 0.01% | −54,023−63.6% | Reduced |
| Great West Life Assurance Co | 31,438 | $4.80M | 0.01% | +1,050+3.5% | Added |
| UBS Group AG | 32,246 | $4.93M | 0.00% | −15,923−33.1% | Reduced |
| KBC Group NV | 32,405 | $4.95M | 0.02% | −52,603−61.9% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 33,036 | $5.05M | 0.12% | 00.0% | Unchanged |
| Deutsche Bank AG | 35,185 | $5.38M | 0.00% | +2,122+6.4% | Added |
| Amundi | 37,444 | $5.58M | 0.00% | −39,200−51.1% | Reduced |
| Ensign Peak Advisors, Inc | 37,687 | $5.76M | 0.01% | −4,438−10.5% | Reduced |
| American Century Companies Inc | 39,343 | $6.01M | 0.00% | −20,856−34.6% | Reduced |
| Retirement Systems of Alabama | 40,228 | $6.15M | 0.02% | +105+0.3% | Added |
| Knights of Columbus Asset Advisors LLC | 40,884 | $6.25M | 0.45% | +492+1.2% | Added |
| American International Group, Inc. | 42,408 | $6.48M | 0.02% | −867−2.0% | Reduced |
| BNP Paribas Arbitrage, SA | 42,589 | $6.51M | 0.01% | +1,154+2.8% | Added |
| Credit Suisse AG | 46,037 | $7.03M | 0.01% | +4,431+10.6% | Added |
| Wellington Management Group LLP | 47,979 | $7.33M | 0.00% | +1,905+4.1% | Added |
| Worldquant Millennium Advisors LLC | 48,867 | $7.47M | 0.09% | −36,530−42.8% | Reduced |
| California State Teachers Retirement System | 50,893 | $7.78M | 0.01% | −1,190−2.3% | Reduced |
| Barclays PLC | 53,785 | $8.22M | 0.00% | −179−0.3% | Reduced |
| Janney Montgomery Scott LLC | 56,343 | $8.61M | 0.03% | +2,839+5.3% | Added |
| Quantinno Capital Management LP | 58,664 | $8.96M | 0.19% | +17,730+43.3% | Added |
| Yaupon Capital Management LP | 61,300 | $9.37M | 0.81% | +61,300 | New |
| Two Sigma Advisers, LP | 63,000 | $9.63M | 0.02% | −7,100−10.1% | Reduced |
| Contravisory Investment Management, Inc. | 63,208 | $9.66M | 2.14% | −764−1.2% | Reduced |
| California Public Employees Retirement System | 64,413 | $9.84M | 0.01% | −2,193−3.3% | Reduced |
| Polar Asset Management Partners Inc. | 64,500 | $9.86M | 0.26% | −9,500−12.8% | Reduced |
| Lazard Asset Management LLC | 67,884 | $10.4M | 0.01% | +64,956+2,218.4% | Added |
| Sprott Inc. | 70,000 | $10.7M | 0.77% | −20,000−22.2% | Reduced |
| Wells Fargo & Company | 71,207 | $10.9M | 0.00% | −6,811−8.7% | Reduced |
| Wedge Capital Management L L P | 71,323 | $10.9M | 0.18% | +6,512+10.0% | Added |
| Alliancebernstein L.P. | 72,649 | $11.1M | 0.00% | −202−0.3% | Reduced |
| Squarepoint Ops LLC | 73,999 | $11.3M | 0.05% | +29,083+64.7% | Added |
| State of Wisconsin Investment Board | 74,942 | $11.5M | 0.03% | +650+0.9% | Added |
| Moran Wealth Management, LLC | 75,677 | $11.6M | 0.37% | −1,540−2.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 78,840 | $12.0M | 0.09% | +75,666+2,383.9% | Added |
| Natixis | 85,000 | $13.0M | 0.07% | +84,798+41,979.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 87,039 | $13.3M | 0.01% | −2,271−2.5% | Reduced |
| Rhumbline Advisers | 94,472 | $14.4M | 0.01% | −1,302−1.4% | Reduced |
| Vident Advisory, LLC | 94,658 | $14.5M | 0.30% | +8,939+10.4% | Added |