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 |
|---|---|---|---|---|---|
| Prelude Capital Management, LLC | 2,203 | $274.6K | 0.02% | −1,639−42.7% | Reduced |
| Daiwa Securities Group Inc. | 2,224 | $277.0K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 2,238 | $279.0K | 0.00% | +10.0% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,285 | $284.9K | 0.00% | −8−0.3% | Reduced |
| AE Wealth Management LLC | 2,316 | $288.8K | 0.00% | −891−27.8% | Reduced |
| Commonwealth Equity Services, LLC | 2,315 | $289.0K | 0.00% | +60+2.7% | Added |
| Maryland State Retirement & Pension System | 2,469 | $307.8K | 0.01% | 00.0% | Unchanged |
| CSS LLC | 2,500 | $311.7K | 0.03% | +2,500 | New |
| Investors Research Corp | 2,550 | $317.9K | 0.08% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 2,629 | $327.8K | 0.00% | +2,629 | New |
| PGGM Investments | 2,668 | $333.0K | 0.01% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 2,703 | $337.0K | 0.01% | −355−11.6% | Reduced |
| TD Asset Management Inc | 2,730 | $340.3K | 0.00% | −140−4.9% | Reduced |
| HighTower Advisors, LLC | 2,852 | $351.0K | 0.00% | +358+14.4% | Added |
| Lindenwold Advisors | 2,853 | $355.7K | 0.22% | +11+0.4% | Added |
| Nordea Investment Management AB | 2,883 | $360.1K | 0.00% | +370+14.7% | Added |
| National Bank of Canada | 3,020 | $367.6K | 0.00% | −128−4.1% | Reduced |
| Teacher Retirement System of Texas | 2,962 | $369.0K | 0.00% | +65+2.2% | Added |
| Yorktown Management & Research Co Inc | 3,050 | $380.2K | 0.43% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 3,083 | $384.4K | 0.01% | +303+10.9% | Added |
| Lazard Asset Management LLC | 3,101 | $385.0K | 0.00% | −83,695−96.4% | Reduced |
| BTC Capital Management, Inc. | 3,099 | $386.4K | 0.04% | −130−4.0% | Reduced |
| Creative Planning | 3,189 | $397.6K | 0.00% | +3,189 | New |
| British Columbia Investment Management Corp | 3,396 | $423.4K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 3,426 | $427.1K | 0.01% | −10−0.3% | Reduced |
| Westover Capital Advisors, LLC | 3,430 | $427.6K | 0.15% | −43−1.2% | Reduced |
| Acadian Asset Management LLC | 3,562 | $443.0K | 0.00% | −20,991−85.5% | Reduced |
| DekaBank Deutsche Girozentrale | 3,548 | $443.0K | 0.00% | −1,917−35.1% | Reduced |
| Engineers Gate Manager LP | 3,588 | $447.3K | 0.02% | +3,588 | New |
| McMahon Financial Advisors, LLC | 3,629 | $452.4K | 0.14% | +316+9.5% | Added |
| Gulf International Bank (UK) Ltd | 3,660 | $456.0K | 0.01% | −300−7.6% | Reduced |
| Bank of Montreal | 3,477 | $466.6K | 0.00% | −228−6.2% | Reduced |
| Xponance, Inc. | 3,898 | $486.0K | 0.01% | −260−6.3% | Reduced |
| Crossmark Global Holdings, Inc. | 3,876 | $492.0K | 0.01% | −394−9.2% | Reduced |
| Cambria Investment Management, L.P. | 3,973 | $495.3K | 0.04% | −721−15.4% | Reduced |
| Quantamental Technologies LLC | 3,994 | $497.9K | 0.47% | +3,994 | New |
| Russell Investments Group, Ltd. | 4,088 | $509.7K | 0.00% | −2,141−34.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 4,112 | $512.6K | 0.00% | +1,212+41.8% | Added |
| Greenland Capital Management LP | 4,125 | $514.3K | 0.06% | −8,015−66.0% | Reduced |
| Legacy Capital Group California, Inc. | 4,168 | $519.6K | 0.22% | −103−2.4% | Reduced |
| Nissay Asset Management Corp | 4,311 | $537.5K | 0.00% | +104+2.5% | Added |
| Empirical Finance, LLC | 4,447 | $554.4K | 0.04% | 00.0% | Unchanged |
| Versor Investments LP | 4,470 | $557.3K | 0.11% | −13,104−74.6% | Reduced |
| Captrust Financial Advisors | 4,621 | $576.1K | 0.00% | −332−6.7% | Reduced |
| Allianz Asset Management GmbH | 4,631 | $577.3K | 0.00% | −9,415−67.0% | Reduced |
| First Eagle Investment Management, LLC | 4,638 | $578.2K | 0.00% | +1,770+61.7% | Added |
| Verition Fund Management LLC | 4,738 | $590.7K | 0.01% | +2,383+101.2% | Added |
| Unison Advisors LLC | 5,008 | $624.3K | 0.07% | +14+0.3% | Added |
| Synovus Financial Corp | 5,212 | $649.8K | 0.01% | +2,607+100.1% | Added |
| Public Employees Retirement Association of Colorado | 5,364 | $669.0K | 0.00% | 00.0% | Unchanged |
| Toroso Investments, LLC | 5,509 | $686.8K | 0.02% | −842−13.3% | Reduced |
| Standard Life Aberdeen plc | 5,595 | $697.5K | 0.00% | −267−4.6% | Reduced |
| Voya Investment Management LLC | 5,609 | $699.3K | 0.00% | −260−4.4% | Reduced |
| Achmea Investment Management B.V. | 5,685 | $708.0K | 0.02% | −155−2.7% | Reduced |
| Denali Advisors LLC | 5,725 | $713.7K | 0.25% | +1,403+32.5% | Added |
| Oak Thistle LLC | 5,839 | $727.9K | 0.22% | +5,839 | New |
| JustInvest LLC | 5,981 | $745.7K | 0.02% | +900+17.7% | Added |
| Vestcor Inc | 5,999 | $748.0K | 0.03% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 6,186 | $771.3K | 0.00% | −17,895−74.3% | Reduced |
| Tredje AP-fonden | 6,317 | $787.5K | 0.01% | −691−9.9% | Reduced |
| MQS Management LLC | 6,334 | $789.7K | 0.48% | +6,334 | New |
| Arrowstreet Capital, Limited Partnership | 6,375 | $795.0K | 0.00% | +6,375 | New |
| Duality Advisers, LP | 6,399 | $797.8K | 0.10% | −17,870−73.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,464 | $805.9K | 0.01% | −10,195−61.2% | Reduced |
| Pettee Investors, Inc. | 6,711 | $836.7K | 0.40% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 7,000 | $873.0K | 0.04% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 7,080 | $882.7K | 0.02% | −579−7.6% | Reduced |
| IFM Investors Pty Ltd | 7,093 | $884.3K | 0.01% | 00.0% | Unchanged |
| 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 |
| Toronto Dominion Bank | 7,294 | $909.3K | 0.00% | −1,895−20.6% | Reduced |
| Voloridge Investment Management, LLC | 7,438 | $927.3K | 0.00% | +7,438 | New |
| Sciencast Management LP | 7,696 | $959.5K | 0.44% | +2,293+42.4% | Added |
| AustralianSuper Pty Ltd | 7,723 | $962.8K | 0.01% | +381+5.2% | Added |
| Advisors Asset Management, Inc. | 7,755 | $966.8K | 0.02% | −5,735−42.5% | Reduced |
| Thrivent Financial for Lutherans | 7,993 | $996.0K | 0.00% | −902−10.1% | Reduced |
| Diametric Capital, LP | 8,077 | $1.01M | 0.42% | −3,801−32.0% | Reduced |
| State of Michigan Retirement System | 8,600 | $1.07M | 0.01% | −1,000−10.4% | Reduced |
| Baird Financial Group, Inc. | 8,882 | $1.11M | 0.00% | −214−2.4% | Reduced |
| Louisiana State Employees Retirement System | 9,000 | $1.12M | 0.03% | −1,100−10.9% | Reduced |
| Wealthfront Advisers LLC | 9,039 | $1.13M | 0.00% | +9,039 | New |
| Cresset Asset Management, LLC | 9,381 | $1.17M | 0.01% | +969+11.5% | Added |
| Aquatic Capital Management LLC | 9,500 | $1.18M | 0.05% | +9,500 | New |
| Nations Financial Group Inc, | 9,841 | $1.23M | 0.12% | +373+3.9% | Added |
| Illinois Municipal Retirement Fund | 9,846 | $1.23M | 0.02% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 10,107 | $1.26M | 0.01% | +1,557+18.2% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 10,343 | $1.29M | 0.03% | +10,343 | New |
| Arizona State Retirement System | 10,447 | $1.30M | 0.01% | −9−0.1% | Reduced |
| Occudo Quantitative Strategies LP | 11,862 | $1.48M | 0.19% | −23,475−66.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,945 | $1.49M | 0.02% | +5,691+91.0% | Added |
| SG Americas Securities, LLC | 12,155 | $1.51M | 0.02% | +1,403+13.0% | Added |
| Ameritas Investment Partners, Inc. | 12,259 | $1.53M | 0.06% | −1,447−10.6% | Reduced |
| Pictet Asset Management Holding SA | 12,313 | $1.54M | 0.00% | +12,313 | New |
| Truist Financial Corp | 12,869 | $1.60M | 0.00% | −79−0.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 13,009 | $1.62M | 0.02% | +500+4.0% | Added |
| Panagora Asset Management Inc | 13,147 | $1.64M | 0.01% | 00.0% | Unchanged |
| Financial Enhancement Group LLC | 13,703 | $1.69M | 0.32% | +20.0% | Added |
| Oregon Public Employees Retirement Fund | 13,546 | $1.69M | 0.02% | −2,900−17.6% | Reduced |
| Twin Capital Management Inc | 13,848 | $1.73M | 0.25% | −1,966−12.4% | Reduced |
| Recurrent Investment Advisors LLC | 14,059 | $1.75M | 0.26% | +13+0.1% | Added |