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, Q3 2023
Institutional positions in Westlake Corp as of Sep 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
- 335
- −2 vs. Q2 2023
- Shares held
- 37.2M
- +308.4K (+0.8%) vs. Q2 2023
- Total value
- $4.64B
- +$231.6M (+5.2%) vs. Q2 2023
- New holders
- 36
- 92 more added
- Sold out
- 38
- 144 more reduced
3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 22,297 | $2.78M | 0.01% | +5,320+31.3% | Added |
| Susquehanna International Group, LLP | 22,042 | $2.75M | 0.00% | +17,730+411.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 21,904 | $2.73M | 0.01% | −295−1.3% | Reduced |
| Envestnet Asset Management Inc | 21,518 | $2.68M | 0.00% | −23,712−52.4% | Reduced |
| CWM Advisors, LLC | 21,228 | $2.65M | 0.34% | −2,578−10.8% | Reduced |
| Agf Management Ltd | 21,120 | $2.63M | 0.02% | +2,850+15.6% | Added |
| Hussman Strategic Advisors, Inc. | 21,000 | $2.62M | 0.50% | +5,500+35.5% | Added |
| Alaska Permanent Fund Corp | 20,900 | $2.61M | 0.05% | 00.0% | Unchanged |
| Amalgamated Bank | 20,856 | $2.60M | 0.02% | +32+0.2% | Added |
| Gotham Asset Management, LLC | 20,838 | $2.60M | 0.05% | −34,273−62.2% | Reduced |
| Mutual of America Capital Management LLC | 20,768 | $2.59M | 0.03% | −4,301−17.2% | Reduced |
| HRT Financial LP | 20,423 | $2.55M | 0.03% | +20,423 | New |
| Prudential Financial Inc | 20,201 | $2.52M | 0.00% | −6,740−25.0% | Reduced |
| LPL Financial LLC | 20,182 | $2.52M | 0.00% | −7,267−26.5% | Reduced |
| Comerica Bank | 20,043 | $2.50M | 0.01% | +5,883+41.5% | Added |
| LMCG Investments, LLC | 19,657 | $2.45M | 0.17% | +50.0% | Added |
| HSBC Holdings PLC | 19,220 | $2.40M | 0.00% | −12,401−39.2% | Reduced |
| DnB Asset Management AS | 18,427 | $2.30M | 0.01% | +7,033+61.7% | Added |
| MetLife Investment Management | 18,302 | $2.28M | 0.02% | −2,310−11.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,750 | $2.21M | 0.01% | +1,413+8.6% | Added |
| Treasurer of the State of North Carolina | 17,569 | $2.19M | 0.01% | +83+0.5% | Added |
| Connectus Wealth, LLC | 16,586 | $2.07M | 0.05% | +1,737+11.7% | Added |
| Empowered Funds, LLC | 16,611 | $2.07M | 0.06% | +135+0.8% | Added |
| CI Private Wealth, LLC | 16,530 | $2.06M | 0.00% | +26+0.2% | Added |
| Asset Management One Co.,Ltd. | 16,217 | $2.02M | 0.01% | +2,918+21.9% | Added |
| Royal Bank of Canada | 16,137 | $2.01M | 0.00% | −14,477−47.3% | Reduced |
| Ambassador Advisors, LLC | 16,351 | $2.00M | 0.49% | −14,347−46.7% | Reduced |
| SEI Investments Co | 15,906 | $1.98M | 0.00% | −370−2.3% | Reduced |
| Two Sigma Advisers, LP | 15,900 | $1.98M | 0.01% | +15,900 | New |
| Neuberger Berman Group LLC | 15,758 | $1.96M | 0.00% | +352+2.3% | Added |
| Yousif Capital Management, LLC | 15,637 | $1.95M | 0.02% | −2,130−12.0% | Reduced |
| Swiss Life Asset Management Ltd | 15,626 | $1.95M | 0.03% | +15,626 | New |
| Public Employees Retirement System of Ohio | 15,184 | $1.89M | 0.01% | −1,387−8.4% | Reduced |
| Jump Financial, LLC | 14,799 | $1.84M | 0.07% | −8,923−37.6% | Reduced |
| New York State Teachers Retirement System | 14,643 | $1.83M | 0.00% | −722−4.7% | Reduced |
| Recurrent Investment Advisors LLC | 14,059 | $1.75M | 0.26% | +13+0.1% | Added |
| Twin Capital Management Inc | 13,848 | $1.73M | 0.25% | −1,966−12.4% | Reduced |
| Oregon Public Employees Retirement Fund | 13,546 | $1.69M | 0.02% | −2,900−17.6% | Reduced |
| Financial Enhancement Group LLC | 13,703 | $1.69M | 0.32% | +20.0% | Added |
| Panagora Asset Management Inc | 13,147 | $1.64M | 0.01% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 13,009 | $1.62M | 0.02% | +500+4.0% | Added |
| Truist Financial Corp | 12,869 | $1.60M | 0.00% | −79−0.6% | Reduced |
| Pictet Asset Management Holding SA | 12,313 | $1.54M | 0.00% | +12,313 | New |
| Ameritas Investment Partners, Inc. | 12,259 | $1.53M | 0.06% | −1,447−10.6% | Reduced |
| SG Americas Securities, LLC | 12,155 | $1.51M | 0.02% | +1,403+13.0% | Added |
| Teachers Retirement System of the State of Kentucky | 11,945 | $1.49M | 0.02% | +5,691+91.0% | Added |
| Occudo Quantitative Strategies LP | 11,862 | $1.48M | 0.19% | −23,475−66.4% | Reduced |
| Arizona State Retirement System | 10,447 | $1.30M | 0.01% | −9−0.1% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 10,343 | $1.29M | 0.03% | +10,343 | New |
| Nomura Asset Management Co Ltd | 10,107 | $1.26M | 0.01% | +1,557+18.2% | Added |
| Illinois Municipal Retirement Fund | 9,846 | $1.23M | 0.02% | 00.0% | Unchanged |
| Nations Financial Group Inc, | 9,841 | $1.23M | 0.12% | +373+3.9% | Added |
| Aquatic Capital Management LLC | 9,500 | $1.18M | 0.05% | +9,500 | New |
| Cresset Asset Management, LLC | 9,381 | $1.17M | 0.01% | +969+11.5% | Added |
| Wealthfront Advisers LLC | 9,039 | $1.13M | 0.00% | +9,039 | New |
| Louisiana State Employees Retirement System | 9,000 | $1.12M | 0.03% | −1,100−10.9% | Reduced |
| Baird Financial Group, Inc. | 8,882 | $1.11M | 0.00% | −214−2.4% | Reduced |
| State of Michigan Retirement System | 8,600 | $1.07M | 0.01% | −1,000−10.4% | Reduced |
| Diametric Capital, LP | 8,077 | $1.01M | 0.42% | −3,801−32.0% | Reduced |
| Thrivent Financial for Lutherans | 7,993 | $996.0K | 0.00% | −902−10.1% | Reduced |
| Advisors Asset Management, Inc. | 7,755 | $966.8K | 0.02% | −5,735−42.5% | Reduced |
| AustralianSuper Pty Ltd | 7,723 | $962.8K | 0.01% | +381+5.2% | Added |
| Sciencast Management LP | 7,696 | $959.5K | 0.44% | +2,293+42.4% | Added |
| Voloridge Investment Management, LLC | 7,438 | $927.3K | 0.00% | +7,438 | New |
| Toronto Dominion Bank | 7,294 | $909.3K | 0.00% | −1,895−20.6% | Reduced |
| Handelsbanken Fonder AB | 7,200 | $898.0K | 0.01% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 7,201 | $898.0K | 0.01% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 7,093 | $884.3K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 7,080 | $882.7K | 0.02% | −579−7.6% | Reduced |
| New Mexico Educational Retirement Board | 7,000 | $873.0K | 0.04% | 00.0% | Unchanged |
| Pettee Investors, Inc. | 6,711 | $836.7K | 0.40% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,464 | $805.9K | 0.01% | −10,195−61.2% | Reduced |
| Duality Advisers, LP | 6,399 | $797.8K | 0.10% | −17,870−73.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 6,375 | $795.0K | 0.00% | +6,375 | New |
| MQS Management LLC | 6,334 | $789.7K | 0.48% | +6,334 | New |
| Tredje AP-fonden | 6,317 | $787.5K | 0.01% | −691−9.9% | Reduced |
| Advisor Group Holdings, Inc. | 6,186 | $771.3K | 0.00% | −17,895−74.3% | Reduced |
| Vestcor Inc | 5,999 | $748.0K | 0.03% | 00.0% | Unchanged |
| JustInvest LLC | 5,981 | $745.7K | 0.02% | +900+17.7% | Added |
| Oak Thistle LLC | 5,839 | $727.9K | 0.22% | +5,839 | New |
| Denali Advisors LLC | 5,725 | $713.7K | 0.25% | +1,403+32.5% | Added |
| Achmea Investment Management B.V. | 5,685 | $708.0K | 0.02% | −155−2.7% | Reduced |
| Voya Investment Management LLC | 5,609 | $699.3K | 0.00% | −260−4.4% | Reduced |
| Standard Life Aberdeen plc | 5,595 | $697.5K | 0.00% | −267−4.6% | Reduced |
| Toroso Investments, LLC | 5,509 | $686.8K | 0.02% | −842−13.3% | Reduced |
| Public Employees Retirement Association of Colorado | 5,364 | $669.0K | 0.00% | 00.0% | Unchanged |
| Synovus Financial Corp | 5,212 | $649.8K | 0.01% | +2,607+100.1% | Added |
| Unison Advisors LLC | 5,008 | $624.3K | 0.07% | +14+0.3% | Added |
| Verition Fund Management LLC | 4,738 | $590.7K | 0.01% | +2,383+101.2% | Added |
| First Eagle Investment Management, LLC | 4,638 | $578.2K | 0.00% | +1,770+61.7% | Added |
| Allianz Asset Management GmbH | 4,631 | $577.3K | 0.00% | −9,415−67.0% | Reduced |
| Captrust Financial Advisors | 4,621 | $576.1K | 0.00% | −332−6.7% | Reduced |
| Versor Investments LP | 4,470 | $557.3K | 0.11% | −13,104−74.6% | Reduced |
| Empirical Finance, LLC | 4,447 | $554.4K | 0.04% | 00.0% | Unchanged |
| Nissay Asset Management Corp | 4,311 | $537.5K | 0.00% | +104+2.5% | Added |
| Legacy Capital Group California, Inc. | 4,168 | $519.6K | 0.22% | −103−2.4% | Reduced |
| Greenland Capital Management LP | 4,125 | $514.3K | 0.06% | −8,015−66.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 4,112 | $512.6K | 0.00% | +1,212+41.8% | Added |
| Russell Investments Group, Ltd. | 4,088 | $509.7K | 0.00% | −2,141−34.4% | Reduced |
| Quantamental Technologies LLC | 3,994 | $497.9K | 0.47% | +3,994 | New |