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 2021
Institutional positions in Westlake Corp as of Dec 31, 2021. 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
- 298
- +30 vs. Q3 2021
- Shares held
- 34.7M
- +469.2K (+1.4%) vs. Q3 2021
- Total value
- $3.37B
- +$246.2M (+7.9%) vs. Q3 2021
- New holders
- 67
- 93 more added
- Sold out
- 37
- 97 more reduced
4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Zions Bancorporation, N.A. | 5 | $0 | 0.00% | 00.0% | Unchanged |
| Your Advocates Ltd., LLP | 5 | $0 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 3 | $0 | 0.00% | +3 | New |
| Cassady Schiller Wealth Management, LLC | 2 | $0 | 0.00% | +2 | New |
| Confluence Wealth Services, Inc. | 2 | $0 | 0.00% | +2 | New |
| Raffa Wealth Management, LLC | 9 | $874 | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 10 | $971 | 0.00% | +1+11.1% | Added |
| Farmers & Merchants Investments Inc | 9 | $1.00K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 15 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bellwether Advisors, LLC | 13 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 10 | $1.00K | 0.00% | +10 | New |
| JFS Wealth Advisors, LLC | 14 | $1.00K | 0.00% | +14 | New |
| Lenox Wealth Advisors, LLC | 10 | $1.00K | 0.00% | +10 | New |
| IFP Advisors, Inc | 13 | $1.00K | 0.00% | +13 | New |
| Schubert & Co | 10 | $1.00K | 0.00% | +10 | New |
| Snowden Capital Advisors LLC | 14 | $1.00K | 0.00% | +14 | New |
| Clearstead Advisors, LLC | 19 | $2.00K | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 25 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 18 | $2.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 20 | $2.00K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 25 | $2.00K | 0.00% | +22+733.3% | Added |
| NEXT Financial Group, Inc | 42 | $4.00K | 0.00% | −15−26.3% | Reduced |
| Earnest Partners LLC | 45 | $4.00K | 0.00% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 43 | $4.00K | 0.00% | +43 | New |
| GPS Wealth Strategies Group, LLC | 50 | $5.00K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 60 | $5.83K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 70 | $7.00K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 72 | $7.00K | 0.00% | +72 | New |
| Rockefeller Capital Management L.P. | 106 | $9.00K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 92 | $9.00K | 0.00% | +5+5.7% | Added |
| Bell Investment Advisors, Inc | 111 | $11.0K | 0.00% | +50+82.0% | Added |
| Signaturefd, LLC | 142 | $14.0K | 0.00% | +11+8.4% | Added |
| Concorde Financial Corp | 142 | $14.0K | 0.01% | +142 | New |
| Nisa Investment Advisors, LLC | 160 | $16.0K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 175 | $17.0K | 0.00% | +175 | New |
| TCI Wealth Advisors, Inc. | 190 | $18.0K | 0.00% | 00.0% | Unchanged |
| Fortitude Advisory Group L.L.C. | 185 | $18.0K | 0.01% | +185 | New |
| Simplex Trading, LLC | 200 | $19.0K | 0.00% | −912−82.0% | Reduced |
| Proequities, Inc. | 200 | $19.0K | 0.00% | −9−4.3% | Reduced |
| Signet Financial Management, LLC | 214 | $21.0K | 0.00% | +214 | New |
| National Bank of Canada | 305 | $29.0K | 0.00% | +305 | New |
| Deseret Mutual Benefit Administrators | 317 | $31.0K | 0.01% | 00.0% | Unchanged |
| Spire Wealth Management | 328 | $32.0K | 0.00% | +328 | New |
| Arcadia Investment Management Corp | 350 | $34.0K | 0.01% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 359 | $35.0K | 0.00% | +65+22.1% | Added |
| Wahed Invest LLC | 395 | $38.0K | 0.02% | +395 | New |
| American International Group, Inc. | 411 | $40.0K | 0.00% | −14−3.3% | Reduced |
| FourThought Financial, LLC | 445 | $43.0K | 0.01% | +445 | New |
| Koshinski Asset Management, Inc. | 524 | $44.3K | 0.00% | +7+1.4% | Added |
| Retirement Planning Co of New England, Inc. | 479 | $46.0K | 0.02% | +479 | New |
| Capital Analysts, LLC | 500 | $49.0K | 0.00% | +500 | New |
| Quadrant Capital Group LLC | 575 | $56.0K | 0.01% | +30+5.5% | Added |
| Robeco Institutional Asset Management B.V. | 630 | $61.0K | 0.00% | +630 | New |
| Denali Advisors LLC | 664 | $64.0K | 0.02% | −4−0.6% | Reduced |
| Covestor Ltd | 679 | $66.0K | 0.09% | +679 | New |
| State of Wyoming | 719 | $70.0K | 0.03% | −539−42.8% | Reduced |
| Patriot Financial Group Insurance Agency, LLC | 734 | $71.0K | 0.01% | +734 | New |
| Captrust Financial Advisors | 801 | $78.0K | 0.00% | +146+22.3% | Added |
| Leonteq Securities AG | 880 | $85.5K | 0.00% | −3,206−78.5% | Reduced |
| Ci Investments Inc. | 920 | $89.0K | 0.00% | −2,591−73.8% | Reduced |
| Metropolitan Life Insurance Co | 969 | $94.1K | 0.00% | −2−0.2% | Reduced |
| Eaton Vance Management | 1,000 | $97.0K | 0.00% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 1,012 | $98.0K | 0.00% | −8,385−89.2% | Reduced |
| Altshuler Shaham Ltd | 1,599 | $155.0K | 0.00% | +1,599 | New |
| Smithfield Trust Co | 1,594 | $156.0K | 0.01% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 1,637 | $159.0K | 0.01% | +704+75.5% | Added |
| Asset Management One Co.,Ltd. | 1,930 | $187.0K | 0.00% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 2,085 | $202.5K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 2,110 | $205.0K | 0.00% | +2,110 | New |
| Brown Advisory Inc | 2,136 | $207.0K | 0.00% | +2,136 | New |
| Alterna Wealth Management, Inc | 2,148 | $209.0K | 0.17% | +2,148 | New |
| HighTower Advisors, LLC | 2,209 | $215.0K | 0.00% | +2,209 | New |
| ProShare Advisors LLC | 2,235 | $218.0K | 0.00% | −252−10.1% | Reduced |
| Standard Life Aberdeen plc | 2,259 | $220.0K | 0.00% | +2,259 | New |
| Los Angeles Capital Management LLC | 2,282 | $222.0K | 0.00% | −400−14.9% | Reduced |
| Tower Research Capital LLC (TRC) | 2,334 | $226.0K | 0.00% | −3,237−58.1% | Reduced |
| Manufacturers Life Insurance Company, The | 2,365 | $230.0K | 0.00% | −255−9.7% | Reduced |
| US Bancorp | 2,396 | $233.0K | 0.00% | +6+0.3% | Added |
| Pictet Asset Management SA | 2,411 | $234.0K | 0.00% | −489−16.9% | Reduced |
| Astrantus Ltd | 2,472 | $240.0K | 0.18% | +2,472 | New |
| Bourgeon Capital Management LLC | 2,500 | $243.0K | 0.05% | −500−16.7% | Reduced |
| Principal Financial Group Inc | 2,569 | $250.0K | 0.00% | −195−7.1% | Reduced |
| Synovus Financial Corp | 2,655 | $253.0K | 0.00% | +113+4.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 2,764 | $268.0K | 0.00% | +2,764 | New |
| Paradigm Asset Management Co LLC | 2,800 | $272.0K | 0.07% | −400−12.5% | Reduced |
| Regentatlantic Capital LLC | 2,809 | $273.0K | 0.01% | −124−4.2% | Reduced |
| Great West Life Assurance Co | 2,849 | $277.0K | 0.00% | −2,949−50.9% | Reduced |
| Maryland State Retirement & Pension System | 2,848 | $277.0K | 0.01% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 2,900 | $282.0K | 0.00% | +100+3.6% | Added |
| Colony Group LLC | 3,040 | $295.0K | 0.01% | −3−0.1% | Reduced |
| Point72 Hong Kong Ltd | 3,137 | $305.0K | 0.03% | −1,347−30.0% | Reduced |
| Advisor Group Holdings, Inc. | 3,325 | $323.0K | 0.00% | −2,605−43.9% | Reduced |
| Fractal Investments LLC | 3,353 | $326.0K | 0.11% | +3,353 | New |
| State of Alaska, Department of Revenue | 3,444 | $334.0K | 0.00% | +3,444 | New |
| Unison Advisors LLC | 3,710 | $360.0K | 0.09% | +11+0.3% | Added |
| SG Americas Securities, LLC | 3,757 | $365.0K | 0.00% | +32+0.9% | Added |
| Algert Global LLC | 3,770 | $366.0K | 0.05% | 00.0% | Unchanged |
| Krane Funds Advisors LLC | 3,821 | $371.0K | 0.01% | +3,821 | New |
| HRT Financial LP | 3,893 | $378.0K | 0.00% | −46,215−92.2% | Reduced |
| Ameritas Investment Partners, Inc. | 3,900 | $378.0K | 0.01% | 00.0% | Unchanged |