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, Q4 2024
Institutional positions in Westlake Corp as of Dec 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
- 378
- −20 vs. Q3 2024
- Shares held
- 35.3M
- +1.62M (+4.8%) vs. Q3 2024
- Total value
- $4.04B
- −$1.01B (−20.0%) vs. Q3 2024
- New holders
- 48
- 144 more added
- Sold out
- 68
- 128 more reduced
5 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HSBC Holdings PLC | 26,424 | $3.03M | 0.00% | −19,016−41.8% | Reduced |
| Quantbot Technologies LP | 26,395 | $3.03M | 0.11% | −4,347−14.1% | Reduced |
| LPL Financial LLC | 25,928 | $2.97M | 0.00% | +302+1.2% | Added |
| Bank of Nova Scotia | 25,296 | $2.90M | 0.01% | +3,469+15.9% | Added |
| Ensign Peak Advisors, Inc | 25,295 | $2.90M | 0.01% | −2,532−9.1% | Reduced |
| Hudson Bay Capital Management LP | 25,000 | $2.87M | 0.02% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 23,107 | $2.65M | 0.00% | −379−1.6% | Reduced |
| Worldquant Millennium Advisors LLC | 22,720 | $2.60M | 0.02% | 00.0% | Unchanged |
| ING Groep NV | 22,300 | $2.56M | 0.02% | +2,100+10.4% | Added |
| State of Wisconsin Investment Board | 22,247 | $2.55M | 0.01% | +469+2.2% | Added |
| South Dakota Investment Council | 22,135 | $2.54M | 0.05% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 22,124 | $2.54M | 0.00% | +2,354+11.9% | Added |
| Pictet Asset Management Holding SA | 22,096 | $2.53M | 0.00% | +3,520+18.9% | Added |
| CBOE Vest Financial, LLC | 21,501 | $2.47M | 0.04% | +11,091+106.5% | Added |
| Royal Bank of Canada | 20,366 | $2.34M | 0.00% | +772+3.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 20,300 | $2.33M | 0.00% | +20,300 | New |
| Dana Investment Advisors, Inc. | 20,201 | $2.32M | 0.08% | −2,628−11.5% | Reduced |
| APG Asset Management N.V. | 19,900 | $2.20M | 0.01% | +19,900 | New |
| MetLife Investment Management | 18,865 | $2.16M | 0.01% | +1,584+9.2% | Added |
| Manning & Napier Advisors LLC | 18,789 | $2.15M | 0.02% | +8,813+88.3% | Added |
| Envestnet Asset Management Inc | 18,277 | $2.10M | 0.00% | −4,300−19.0% | Reduced |
| Graham Capital Management, L.P. | 17,850 | $2.05M | 0.06% | +1,694+10.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 17,800 | $2.04M | 0.00% | −41−0.2% | Reduced |
| Mutual of America Capital Management LLC | 17,677 | $2.03M | 0.02% | −391−2.2% | Reduced |
| Cresset Asset Management, LLC | 17,524 | $2.01M | 0.01% | −9,787−35.8% | Reduced |
| AQR Capital Management LLC | 17,426 | $1.99M | 0.00% | −72,827−80.7% | Reduced |
| Oliver Luxxe Assets LLC | 12,762 | $1.92M | 0.35% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 16,535 | $1.90M | 0.01% | +1,949+13.4% | Added |
| Kovitz Investment Group Partners, LLC | 16,022 | $1.84M | 0.01% | +16,022 | New |
| Marshall Wace, LLP | 15,914 | $1.82M | 0.00% | −26,512−62.5% | Reduced |
| Royal London Asset Management Ltd | 15,906 | $1.82M | 0.00% | +2,055+14.8% | Added |
| Amalgamated Bank | 15,682 | $1.80M | 0.01% | 00.0% | Unchanged |
| Mn Services Vermogensbeheer B.V. | 15,600 | $1.79M | 0.01% | 00.0% | Unchanged |
| Appian Way Asset Management LP | 15,172 | $1.74M | 0.40% | −50,446−76.9% | Reduced |
| Wealthfront Advisers LLC | 15,157 | $1.74M | 0.01% | −1,057−6.5% | Reduced |
| Recurrent Investment Advisors LLC | 15,118 | $1.73M | 0.16% | +5,877+63.6% | Added |
| Treasurer of the State of North Carolina | 14,742 | $1.69M | 0.01% | +90+0.6% | Added |
| New York State Common Retirement Fund | 13,975 | $1.60M | 0.00% | −1,500−9.7% | Reduced |
| Korea Investment CORP | 13,627 | $1.56M | 0.00% | +7,900+137.9% | Added |
| Group One Trading, L.P. | 13,618 | $1.56M | 0.05% | +13,158+2,860.4% | Added |
| Keeley-Teton Advisors, LLC | 13,591 | $1.56M | 0.18% | −442−3.1% | Reduced |
| Ambassador Advisors, LLC | 13,419 | $1.54M | 0.26% | +474+3.7% | Added |
| Yousif Capital Management, LLC | 12,187 | $1.40M | 0.02% | −395−3.1% | Reduced |
| Axq Capital, LP | 12,097 | $1.39M | 0.62% | +12,097 | New |
| KLP Kapitalforvaltning AS | 11,900 | $1.36M | 0.01% | +11,900 | New |
| Ameritas Investment Partners, Inc. | 11,803 | $1.35M | 0.04% | −134−1.1% | Reduced |
| Resona Asset Management Co.,Ltd. | 11,719 | $1.34M | 0.01% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 11,715 | $1.34M | 0.01% | −230−1.9% | Reduced |
| Asset Management One Co.,Ltd. | 11,719 | $1.34M | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 11,660 | $1.34M | 0.00% | −3,834−24.7% | Reduced |
| Public Employees Retirement System of Ohio | 11,517 | $1.32M | 0.00% | −660−5.4% | Reduced |
| Arizona State Retirement System | 11,204 | $1.28M | 0.01% | +153+1.4% | Added |
| CI Private Wealth, LLC | 10,561 | $1.21M | 0.00% | −3,026−22.3% | Reduced |
| Nomura Asset Management Co Ltd | 10,456 | $1.20M | 0.00% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 10,268 | $1.18M | 0.01% | −2,371−18.8% | Reduced |
| Sterling Capital Management LLC | 9,494 | $1.09M | 0.01% | +500+5.6% | Added |
| Louisiana State Employees Retirement System | 9,300 | $1.07M | 0.02% | 00.0% | Unchanged |
| Old Mission Capital LLC | 9,165 | $1.05M | 0.02% | +9,165 | New |
| Skandinaviska Enskilda Banken AB (publ) | 9,101 | $1.03M | 0.00% | 00.0% | Unchanged |
| State of Michigan Retirement System | 8,900 | $1.02M | 0.01% | +200+2.3% | Added |
| Polymer Capital Management (US) LLC | 8,801 | $1.01M | 0.32% | +8,801 | New |
| Handelsbanken Fonder AB | 8,600 | $986.0K | 0.00% | −1,700−16.5% | Reduced |
| Entropy Technologies, LP | 8,443 | $968.0K | 0.10% | −4,301−33.7% | Reduced |
| AustralianSuper Pty Ltd | 8,380 | $960.8K | 0.00% | −2,346−21.9% | Reduced |
| New York State Teachers Retirement System | 8,102 | $929.0K | 0.00% | −100−1.2% | Reduced |
| Thrivent Financial for Lutherans | 7,874 | $903.0K | 0.00% | +19+0.2% | Added |
| SEI Investments Co | 7,827 | $897.4K | 0.00% | +3,851+96.9% | Added |
| Jane Street Group, LLC | 7,684 | $881.0K | 0.00% | −31,953−80.6% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 7,437 | $852.7K | 0.02% | +19+0.3% | Added |
| British Columbia Investment Management Corp | 7,392 | $847.5K | 0.01% | +950+14.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 7,391 | $847.4K | 0.01% | +21+0.3% | Added |
| State of Tennessee, Treasury Department | 7,295 | $836.4K | 0.00% | −205−2.7% | Reduced |
| Advisors Asset Management, Inc. | 7,206 | $826.2K | 0.02% | −344−4.6% | Reduced |
| Illinois Municipal Retirement Fund | 7,075 | $811.1K | 0.01% | −6,900−49.4% | Reduced |
| Custom Index Systems, LLC | 7,059 | $809.3K | 0.43% | −46−0.6% | Reduced |
| New Mexico Educational Retirement Board | 7,000 | $803.0K | 0.03% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 6,987 | $801.0K | 0.00% | +159+2.3% | Added |
| RiverFront Investment Group, LLC | 6,972 | $799.3K | 0.02% | −1,028−12.9% | Reduced |
| JustInvest LLC | 6,924 | $793.8K | 0.01% | +1,008+17.0% | Added |
| Xponance, Inc. | 6,877 | $788.4K | 0.01% | +1,507+28.1% | Added |
| B. Metzler seel. Sohn & Co. AG | 6,900 | $787.1K | 0.01% | −2,100−23.3% | Reduced |
| Centiva Capital, LP | 6,835 | $783.6K | 0.03% | −1,950−22.2% | Reduced |
| Creative Planning | 6,772 | $776.4K | 0.00% | +1,130+20.0% | Added |
| Oregon Public Employees Retirement Fund | 6,768 | $776.0K | 0.01% | −10−0.1% | Reduced |
| LMCG Investments, LLC | 6,751 | $774.0K | 0.05% | −22,808−77.2% | Reduced |
| Pettee Investors, Inc. | 6,711 | $769.4K | 0.39% | 00.0% | Unchanged |
| Walleye Capital LLC | 6,705 | $768.7K | 0.01% | −50,790−88.3% | Reduced |
| Petrus Trust Company, LTA | 6,421 | $736.2K | 0.07% | +4,963+340.4% | Added |
| Peterson Wealth Services | 6,400 | $733.8K | 0.22% | +484+8.2% | Added |
| First Eagle Investment Management, LLC | 5,988 | $686.5K | 0.00% | 00.0% | Unchanged |
| Concentric Capital Strategies, LP | 5,889 | $675.2K | 0.04% | +5,889 | New |
| Farringdon Capital, Ltd. | 5,596 | $641.6K | 0.27% | +5,596 | New |
| Denali Advisors LLC | 5,422 | $622.0K | 0.07% | 00.0% | Unchanged |
| Aigen Investment Management, LP | 5,251 | $602.0K | 0.11% | +355+7.3% | Added |
| Toronto Dominion Bank | 5,190 | $595.0K | 0.00% | +335+6.9% | Added |
| Unison Advisors LLC | 5,095 | $584.1K | 0.07% | +18+0.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,018 | $575.3K | 0.00% | −148−2.9% | Reduced |
| Versor Investments LP | 5,016 | $575.1K | 0.10% | −9,829−66.2% | Reduced |
| Sequent Planning LLC | 4,993 | $572.5K | 0.21% | −63−1.2% | Reduced |
| Pacer Advisors, Inc. | 4,988 | $571.9K | 0.00% | +115+2.4% | Added |