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 |
|---|---|---|---|---|---|
| LPL Financial LLC | 21,950 | $3.35M | 0.00% | +1,901+9.5% | Added |
| Amalgamated Bank | 21,849 | $3.34M | 0.03% | −37−0.2% | Reduced |
| State of New Jersey Common Pension Fund D | 21,838 | $3.34M | 0.01% | 00.0% | Unchanged |
| Fort Pitt Capital Group, LLC | 21,374 | $3.27M | 0.10% | −10,959−33.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 21,294 | $3.25M | 0.15% | +21,294 | New |
| Danske Bank A/S | 21,012 | $3.21M | 0.01% | +21,012 | New |
| Mitsubishi UFJ Trust & Banking Corp | 19,589 | $2.99M | 0.01% | −1,241−6.0% | Reduced |
| Agf Management Ltd | 19,453 | $2.97M | 0.02% | +345+1.8% | Added |
| Mutual of America Capital Management LLC | 19,087 | $2.92M | 0.03% | −722−3.6% | Reduced |
| Gotham Asset Management, LLC | 18,807 | $2.87M | 0.04% | +4,178+28.6% | Added |
| New York State Common Retirement Fund | 17,977 | $2.75M | 0.00% | −2,005−10.0% | Reduced |
| MetLife Investment Management | 17,606 | $2.69M | 0.02% | −464−2.6% | Reduced |
| Price T Rowe Associates Inc | 17,355 | $2.65M | 0.00% | −24,942−59.0% | Reduced |
| Royal Bank of Canada | 17,192 | $2.63M | 0.00% | −613−3.4% | Reduced |
| Mn Services Vermogensbeheer B.V. | 15,600 | $2.38M | 0.02% | +15,600 | New |
| Susquehanna International Group, LLP | 15,230 | $2.33M | 0.00% | −6,927−31.3% | Reduced |
| Yousif Capital Management, LLC | 14,965 | $2.29M | 0.03% | −323−2.1% | Reduced |
| SEI Investments Co | 14,771 | $2.26M | 0.00% | +2,382+19.2% | Added |
| Asset Management One Co.,Ltd. | 14,720 | $2.25M | 0.01% | −1,126−7.1% | Reduced |
| Caisse de Depot Et Placement du Quebec | 14,686 | $2.24M | 0.01% | −67,465−82.1% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 14,650 | $2.24M | 0.19% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 14,450 | $2.21M | 0.01% | −17,347−54.6% | Reduced |
| Duality Advisers, LP | 14,270 | $2.18M | 0.22% | +9,728+214.2% | Added |
| Illinois Municipal Retirement Fund | 13,975 | $2.13M | 0.03% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 13,768 | $2.10M | 0.00% | −1,956−12.4% | Reduced |
| Wealthfront Advisers LLC | 13,270 | $2.03M | 0.01% | +1,361+11.4% | Added |
| Ambassador Advisors, LLC | 13,168 | $2.01M | 0.37% | +87+0.7% | Added |
| Panagora Asset Management Inc | 13,147 | $2.01M | 0.01% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 12,510 | $1.91M | 0.00% | +586+4.9% | Added |
| Public Employees Retirement System of Ohio | 12,383 | $1.89M | 0.01% | −3,133−20.2% | Reduced |
| Occudo Quantitative Strategies LP | 12,192 | $1.86M | 0.33% | +12,192 | New |
| Ameritas Investment Partners, Inc. | 12,164 | $1.86M | 0.06% | −95−0.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 12,016 | $1.84M | 0.02% | +288+2.5% | Added |
| Resona Asset Management Co.,Ltd. | 11,990 | $1.83M | 0.01% | +11,990 | New |
| Teachers Retirement System of the State of Kentucky | 11,945 | $1.83M | 0.02% | 00.0% | Unchanged |
| Prudential Financial Inc | 11,563 | $1.77M | 0.00% | −6,792−37.0% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 11,300 | $1.73M | 0.02% | +2,300+25.6% | Added |
| Standard Life Aberdeen plc | 10,984 | $1.68M | 0.00% | −239−2.1% | Reduced |
| Nations Financial Group Inc, | 10,982 | $1.68M | 0.14% | +987+9.9% | Added |
| Truist Financial Corp | 10,622 | $1.62M | 0.00% | −639−5.7% | Reduced |
| New York State Teachers Retirement System | 10,587 | $1.62M | 0.00% | −1,156−9.8% | Reduced |
| Arizona State Retirement System | 10,573 | $1.62M | 0.01% | +45+0.4% | Added |
| Nomura Asset Management Co Ltd | 10,456 | $1.60M | 0.01% | +349+3.5% | Added |
| CWM Advisors, LLC | 10,352 | $1.58M | 0.16% | −3,217−23.7% | Reduced |
| HSBC Holdings PLC | 10,321 | $1.58M | 0.00% | −5,938−36.5% | Reduced |
| Recurrent Investment Advisors LLC | 10,161 | $1.55M | 0.18% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 10,000 | $1.53M | 0.01% | −2,900−22.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,880 | $1.53M | 0.01% | +206+1.9% | Added |
| Walleye Capital LLC | 9,807 | $1.50M | 0.02% | +9,807 | New |
| Louisiana State Employees Retirement System | 9,200 | $1.41M | 0.03% | +200+2.2% | Added |
| State of Michigan Retirement System | 8,800 | $1.34M | 0.01% | +200+2.3% | Added |
| Jane Street Group, LLC | 8,523 | $1.30M | 0.00% | −638−7.0% | Reduced |
| Citigroup Inc | 8,505 | $1.30M | 0.00% | −18,806−68.9% | Reduced |
| Wealthcare Advisory Partners LLC | 8,334 | $1.27M | 0.04% | +8,334 | New |
| Man Group plc | 8,137 | $1.24M | 0.00% | +8,137 | New |
| Thrivent Financial for Lutherans | 8,028 | $1.23M | 0.00% | +25+0.3% | Added |
| Oregon Public Employees Retirement Fund | 7,899 | $1.21M | 0.02% | −3,682−31.8% | Reduced |
| AustralianSuper Pty Ltd | 7,723 | $1.19M | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 7,367 | $1.13M | 0.10% | +3,441+87.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 7,201 | $1.10M | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 7,145 | $1.09M | 0.03% | +18+0.3% | Added |
| IFM Investors Pty Ltd | 7,093 | $1.08M | 0.01% | +7,093 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 7,086 | $1.08M | 0.01% | +17+0.2% | Added |
| New Mexico Educational Retirement Board | 7,000 | $1.07M | 0.04% | 00.0% | Unchanged |
| Alaska Permanent Fund Corp | 6,968 | $1.06M | 0.02% | −10,448−60.0% | Reduced |
| Pettee Investors, Inc. | 6,711 | $1.03M | 0.43% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 6,524 | $996.9K | 0.00% | +4,029+161.5% | Added |
| DnB Asset Management AS | 6,255 | $955.8K | 0.00% | −4,086−39.5% | Reduced |
| Capstone Investment Advisors, LLC | 6,195 | $946.6K | 0.02% | +2,779+81.4% | Added |
| Korea Investment CORP | 6,110 | $933.6K | 0.00% | −1,025−14.4% | Reduced |
| Royal London Asset Management Ltd | 6,031 | $921.5K | 0.00% | +3,830+174.0% | Added |
| Denali Advisors LLC | 5,925 | $905.3K | 0.27% | 00.0% | Unchanged |
| Achmea Investment Management B.V. | 5,685 | $868.0K | 0.02% | 00.0% | Unchanged |
| Inceptionr LLC | 5,654 | $863.9K | 0.22% | +3,771+200.3% | Added |
| CBOE Vest Financial, LLC | 5,644 | $862.4K | 0.02% | +3,962+235.6% | Added |
| Advisors Asset Management, Inc. | 5,554 | $848.7K | 0.02% | +91+1.7% | Added |
| Xponance, Inc. | 5,553 | $848.5K | 0.01% | +1,623+41.3% | Added |
| Creative Planning | 5,487 | $838.4K | 0.00% | +1,022+22.9% | Added |
| Unison Advisors LLC | 5,044 | $770.7K | 0.08% | +17+0.3% | Added |
| FORA Capital, LLC | 5,019 | $766.9K | 0.06% | +437+9.5% | Added |
| Toroso Investments, LLC | 5,017 | $766.6K | 0.01% | +1,162+30.1% | Added |
| Voya Investment Management LLC | 5,011 | $765.7K | 0.00% | −670−11.8% | Reduced |
| Versor Investments LP | 4,870 | $744.1K | 0.15% | +1,200+32.7% | Added |
| Sequent Planning LLC | 4,848 | $740.8K | 0.27% | +4,848 | New |
| Public Employees Retirement Association of Colorado | 4,815 | $736.0K | 0.00% | −176−3.5% | Reduced |
| JustInvest LLC | 4,777 | $730.0K | 0.02% | −1,689−26.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,727 | $722.3K | 0.00% | −467−9.0% | Reduced |
| First Eagle Investment Management, LLC | 4,688 | $716.3K | 0.00% | +50+1.1% | Added |
| Peterson Wealth Services | 4,599 | $702.8K | 0.26% | +3,083+203.4% | Added |
| Nissay Asset Management Corp | 4,556 | $696.2K | 0.00% | +100+2.2% | Added |
| British Columbia Investment Management Corp | 4,537 | $693.3K | 0.00% | +123+2.8% | Added |
| Diametric Capital, LP | 4,506 | $688.5K | 0.38% | −2,599−36.6% | Reduced |
| Bank of Montreal | 4,374 | $669.1K | 0.00% | −106,959−96.1% | Reduced |
| Russell Investments Group, Ltd. | 4,256 | $650.4K | 0.00% | +364+9.4% | Added |
| Advisor Group Holdings, Inc. | 4,213 | $643.6K | 0.00% | −1,434−25.4% | Reduced |
| Legacy Capital Group California, Inc. | 4,142 | $632.9K | 0.23% | −114−2.7% | Reduced |
| Vestcor Inc | 3,944 | $603.0K | 0.02% | −2,036−34.0% | Reduced |
| Commonwealth Equity Services, LLC | 3,870 | $591.0K | 0.00% | +5+0.1% | Added |
| Atria Wealth Solutions, Inc. | 3,729 | $569.8K | 0.01% | +167+4.7% | Added |
| Toronto Dominion Bank | 3,651 | $557.9K | 0.00% | −1,319−26.5% | Reduced |