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 |
|---|---|---|---|---|---|
| Krane Funds Advisors LLC | 3,821 | $371.0K | 0.01% | +3,821 | New |
| Algert Global LLC | 3,770 | $366.0K | 0.05% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 3,757 | $365.0K | 0.00% | +32+0.9% | Added |
| Unison Advisors LLC | 3,710 | $360.0K | 0.09% | +11+0.3% | Added |
| State of Alaska, Department of Revenue | 3,444 | $334.0K | 0.00% | +3,444 | New |
| Fractal Investments LLC | 3,353 | $326.0K | 0.11% | +3,353 | New |
| Advisor Group Holdings, Inc. | 3,325 | $323.0K | 0.00% | −2,605−43.9% | Reduced |
| Point72 Hong Kong Ltd | 3,137 | $305.0K | 0.03% | −1,347−30.0% | Reduced |
| Colony Group LLC | 3,040 | $295.0K | 0.01% | −3−0.1% | Reduced |
| New York State Teachers Retirement System | 2,900 | $282.0K | 0.00% | +100+3.6% | Added |
| 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 |
| Regentatlantic Capital LLC | 2,809 | $273.0K | 0.01% | −124−4.2% | Reduced |
| Paradigm Asset Management Co LLC | 2,800 | $272.0K | 0.07% | −400−12.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 2,764 | $268.0K | 0.00% | +2,764 | New |
| Synovus Financial Corp | 2,655 | $253.0K | 0.00% | +113+4.4% | Added |
| Principal Financial Group Inc | 2,569 | $250.0K | 0.00% | −195−7.1% | Reduced |
| Bourgeon Capital Management LLC | 2,500 | $243.0K | 0.05% | −500−16.7% | Reduced |
| Astrantus Ltd | 2,472 | $240.0K | 0.18% | +2,472 | New |
| Pictet Asset Management SA | 2,411 | $234.0K | 0.00% | −489−16.9% | Reduced |
| US Bancorp | 2,396 | $233.0K | 0.00% | +6+0.3% | Added |
| Manufacturers Life Insurance Company, The | 2,365 | $230.0K | 0.00% | −255−9.7% | Reduced |
| Tower Research Capital LLC (TRC) | 2,334 | $226.0K | 0.00% | −3,237−58.1% | Reduced |
| Los Angeles Capital Management LLC | 2,282 | $222.0K | 0.00% | −400−14.9% | Reduced |
| Standard Life Aberdeen plc | 2,259 | $220.0K | 0.00% | +2,259 | New |
| ProShare Advisors LLC | 2,235 | $218.0K | 0.00% | −252−10.1% | Reduced |
| HighTower Advisors, LLC | 2,209 | $215.0K | 0.00% | +2,209 | New |
| Alterna Wealth Management, Inc | 2,148 | $209.0K | 0.17% | +2,148 | New |
| Brown Advisory Inc | 2,136 | $207.0K | 0.00% | +2,136 | New |
| DekaBank Deutsche Girozentrale | 2,110 | $205.0K | 0.00% | +2,110 | New |
| Storebrand Asset Management AS | 2,085 | $202.5K | 0.00% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 1,930 | $187.0K | 0.00% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 1,637 | $159.0K | 0.01% | +704+75.5% | Added |
| Smithfield Trust Co | 1,594 | $156.0K | 0.01% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 1,599 | $155.0K | 0.00% | +1,599 | New |
| Maverick Capital LtdSuperinvestorMaverick Capital | 1,012 | $98.0K | 0.00% | −8,385−89.2% | Reduced |
| Eaton Vance Management | 1,000 | $97.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 969 | $94.1K | 0.00% | −2−0.2% | Reduced |
| Ci Investments Inc. | 920 | $89.0K | 0.00% | −2,591−73.8% | Reduced |
| Leonteq Securities AG | 880 | $85.5K | 0.00% | −3,206−78.5% | Reduced |
| Captrust Financial Advisors | 801 | $78.0K | 0.00% | +146+22.3% | Added |
| Patriot Financial Group Insurance Agency, LLC | 734 | $71.0K | 0.01% | +734 | New |
| State of Wyoming | 719 | $70.0K | 0.03% | −539−42.8% | Reduced |
| Covestor Ltd | 679 | $66.0K | 0.09% | +679 | New |
| Denali Advisors LLC | 664 | $64.0K | 0.02% | −4−0.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 630 | $61.0K | 0.00% | +630 | New |
| Quadrant Capital Group LLC | 575 | $56.0K | 0.01% | +30+5.5% | Added |
| Capital Analysts, LLC | 500 | $49.0K | 0.00% | +500 | New |
| Retirement Planning Co of New England, Inc. | 479 | $46.0K | 0.02% | +479 | New |
| Koshinski Asset Management, Inc. | 524 | $44.3K | 0.00% | +7+1.4% | Added |
| FourThought Financial, LLC | 445 | $43.0K | 0.01% | +445 | New |
| American International Group, Inc. | 411 | $40.0K | 0.00% | −14−3.3% | Reduced |
| Wahed Invest LLC | 395 | $38.0K | 0.02% | +395 | New |
| Parallel Advisors, LLC | 359 | $35.0K | 0.00% | +65+22.1% | Added |
| Arcadia Investment Management Corp | 350 | $34.0K | 0.01% | 00.0% | Unchanged |
| Spire Wealth Management | 328 | $32.0K | 0.00% | +328 | New |
| Deseret Mutual Benefit Administrators | 317 | $31.0K | 0.01% | 00.0% | Unchanged |
| National Bank of Canada | 305 | $29.0K | 0.00% | +305 | New |
| Signet Financial Management, LLC | 214 | $21.0K | 0.00% | +214 | New |
| Simplex Trading, LLC | 200 | $19.0K | 0.00% | −912−82.0% | Reduced |
| Proequities, Inc. | 200 | $19.0K | 0.00% | −9−4.3% | Reduced |
| 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 |
| CVA Family Office, LLC | 175 | $17.0K | 0.00% | +175 | New |
| Nisa Investment Advisors, LLC | 160 | $16.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 142 | $14.0K | 0.00% | +11+8.4% | Added |
| Concorde Financial Corp | 142 | $14.0K | 0.01% | +142 | New |
| Bell Investment Advisors, Inc | 111 | $11.0K | 0.00% | +50+82.0% | Added |
| 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 |
| Massmutual Trust Co FSB | 70 | $7.00K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 72 | $7.00K | 0.00% | +72 | New |
| American Portfolios Advisors | 60 | $5.83K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 50 | $5.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| 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 |
| 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 |
| TD Private Client Wealth LLC | 10 | $971 | 0.00% | +1+11.1% | Added |
| Raffa Wealth Management, LLC | 9 | $874 | 0.00% | 00.0% | Unchanged |
| 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 |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −561,231−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −98,988−100.0% | Sold out |