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, Q1 2022
Institutional positions in Westlake Corp as of Mar 31, 2022. 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
- 328
- +32 vs. Q4 2021
- Shares held
- 35.5M
- +880.8K (+2.5%) vs. Q4 2021
- Total value
- $4.38B
- +$1.02B (+30.2%) vs. Q4 2021
- New holders
- 72
- 97 more added
- Sold out
- 40
- 115 more reduced
2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ameritas Investment Partners, Inc. | 3,900 | $481.0K | 0.02% | 00.0% | Unchanged |
| APG Asset Management N.V. | 4,300 | $477.0K | 0.00% | −7,400−63.2% | Reduced |
| Los Angeles Capital Management LLC | 3,743 | $462.0K | 0.00% | +1,461+64.0% | Added |
| Unison Advisors LLC | 3,720 | $459.0K | 0.11% | +10+0.3% | Added |
| State of Alaska, Department of Revenue | 3,696 | $456.0K | 0.00% | +252+7.3% | Added |
| Hennion & Walsh Asset Management, Inc. | 3,677 | $454.0K | 0.02% | −251−6.4% | Reduced |
| Engineers Gate Manager LP | 3,589 | $443.0K | 0.02% | −4,621−56.3% | Reduced |
| Comerica Bank | 3,372 | $439.0K | 0.00% | −1,351−28.6% | Reduced |
| Krane Funds Advisors LLC | 3,482 | $430.0K | 0.02% | −339−8.9% | Reduced |
| National Asset Management, Inc. | 3,383 | $418.0K | 0.01% | −779−18.7% | Reduced |
| Wolverine Trading, LLC | 3,332 | $416.0K | 0.01% | +3,332 | New |
| Great West Life Assurance Co | 3,180 | $414.0K | 0.00% | +331+11.6% | Added |
| Alpha Square Group S, LLC | 3,270 | $404.0K | 0.05% | +3,270 | New |
| Fractal Investments LLC | 3,021 | $373.0K | 0.11% | −332−9.9% | Reduced |
| Midwest Wealth Management Inc. | 3,023 | $373.0K | 0.23% | +3,023 | New |
| Point72 Hong Kong Ltd | 3,003 | $371.0K | 0.03% | −134−4.3% | Reduced |
| New York State Teachers Retirement System | 2,900 | $358.0K | 0.00% | 00.0% | Unchanged |
| Delphia (USA) Inc. | 2,885 | $356.0K | 0.27% | −1,644−36.3% | Reduced |
| Maryland State Retirement & Pension System | 2,848 | $351.0K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 2,807 | $346.4K | 0.00% | +442+18.7% | Added |
| Paradigm Asset Management Co LLC | 2,800 | $345.5K | 0.09% | 00.0% | Unchanged |
| First Republic Investment Management, Inc. | 2,717 | $335.0K | 0.00% | +2,717 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,702 | $333.0K | 0.00% | +2,702 | New |
| Regentatlantic Capital LLC | 2,642 | $326.0K | 0.01% | −167−5.9% | Reduced |
| Aaron Wealth Advisors | 39,488 | $320.0K | 0.01% | +39,488 | New |
| Kingsview Wealth Management, LLC | 2,578 | $318.1K | 0.01% | +2,578 | New |
| Investors Research Corp | 2,550 | $315.0K | 0.09% | −1,650−39.3% | Reduced |
| Synovus Financial Corp | 2,579 | $311.0K | 0.00% | −76−2.9% | Reduced |
| Colony Group LLC | 2,490 | $307.0K | 0.00% | −550−18.1% | Reduced |
| Keybank National Association | 2,466 | $304.0K | 0.00% | −3,141−56.0% | Reduced |
| US Bancorp | 2,451 | $303.0K | 0.00% | +55+2.3% | Added |
| Pictet Asset Management SA | 2,411 | $298.0K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 2,335 | $288.0K | 0.07% | +2,335 | New |
| William Blair Investment Management, LLC | 2,324 | $287.0K | 0.00% | +2,324 | New |
| Standard Life Aberdeen plc | 2,259 | $280.0K | 0.00% | 00.0% | Unchanged |
| Denali Advisors LLC | 2,257 | $279.0K | 0.11% | +1,593+239.9% | Added |
| Eagle Global Advisors LLC | 2,178 | $269.0K | 0.02% | +2,178 | New |
| DekaBank Deutsche Girozentrale | 2,110 | $264.0K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 2,100 | $259.0K | 0.00% | −36−1.7% | Reduced |
| ProShare Advisors LLC | 2,032 | $250.0K | 0.00% | −203−9.1% | Reduced |
| Bourgeon Capital Management LLC | 2,000 | $247.0K | 0.06% | −500−20.0% | Reduced |
| Forum Financial Management, LP | 1,961 | $241.0K | 0.01% | +1,961 | New |
| Aptus Capital Advisors, LLC | 1,941 | $240.0K | 0.01% | +1,941 | New |
| Guardian Wealth Advisors, LLC | 1,941 | $240.0K | 0.10% | +1,941 | New |
| Wetherby Asset Management Inc | 1,940 | $239.0K | 0.01% | +1,940 | New |
| Asset Management One Co.,Ltd. | 1,930 | $238.0K | 0.00% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 1,808 | $223.0K | 0.00% | +209+13.1% | Added |
| SG Americas Securities, LLC | 1,788 | $221.0K | 0.00% | −1,969−52.4% | Reduced |
| Corient Capital Partners, LLC | 1,764 | $218.0K | 0.01% | +1,764 | New |
| Greenleaf Trust | 1,750 | $216.0K | 0.00% | +1,750 | New |
| Commonwealth Equity Services, LLC | 1,662 | $205.0K | 0.00% | +1,662 | New |
| Itau Unibanco Holding S.A. | 1,637 | $202.0K | 0.01% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 1,626 | $200.6K | 0.00% | −459−22.0% | Reduced |
| Smithfield Trust Co | 1,594 | $196.0K | 0.01% | 00.0% | Unchanged |
| Covestor Ltd | 1,420 | $175.0K | 0.12% | +741+109.1% | Added |
| C M Bidwell & Associates Ltd | 1,248 | $154.0K | 0.10% | +1,248 | New |
| Convergence Investment Partners, LLC | 1,229 | $152.0K | 0.08% | +1,229 | New |
| Walleye Trading LLC | 1,202 | $148.0K | 0.00% | −3,234−72.9% | Reduced |
| Globeflex Capital L P | 1,003 | $124.0K | 0.03% | +1,003 | New |
| State of Wyoming | 966 | $119.0K | 0.06% | +247+34.4% | Added |
| MetLife Investment Management | 958 | $118.2K | 0.00% | +958 | New |
| Ci Investments Inc. | 920 | $114.0K | 0.00% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 897 | $110.0K | 0.02% | +897 | New |
| Leonteq Securities AG | 705 | $87.0K | 0.00% | −175−19.9% | Reduced |
| Zions Bancorporation, N.A. | 639 | $79.0K | 0.01% | +634+12,680.0% | Added |
| Robeco Institutional Asset Management B.V. | 630 | $78.0K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 615 | $76.0K | 0.01% | +40+7.0% | Added |
| IFP Advisors, Inc | 612 | $72.0K | 0.00% | +599+4,607.7% | Added |
| Group One Trading, L.P. | 526 | $65.0K | 0.00% | +526 | New |
| Parallel Advisors, LLC | 478 | $60.0K | 0.00% | +119+33.1% | Added |
| FourThought Financial, LLC | 445 | $53.0K | 0.01% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 524 | $52.2K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 403 | $50.0K | 0.00% | −8−1.9% | Reduced |
| Patriot Financial Group Insurance Agency, LLC | 388 | $48.0K | 0.01% | −346−47.1% | Reduced |
| Arcadia Investment Management Corp | 350 | $43.0K | 0.01% | 00.0% | Unchanged |
| Signaturefd, LLC | 303 | $37.0K | 0.00% | +161+113.4% | Added |
| Steward Partners Investment Advisory, LLC | 288 | $36.0K | 0.00% | +288 | New |
| Simplex Trading, LLC | 231 | $28.0K | 0.00% | +31+15.5% | Added |
| TCI Wealth Advisors, Inc. | 227 | $28.0K | 0.00% | +37+19.5% | Added |
| Worth Asset Management, LLC | 221 | $28.0K | 0.02% | +221 | New |
| Nomura Asset Management Co Ltd | 220 | $27.1K | 0.00% | +220 | New |
| Allworth Financial LP | 222 | $27.0K | 0.00% | +222 | New |
| Deseret Mutual Benefit Administrators | 199 | $25.0K | 0.00% | −118−37.2% | Reduced |
| Proequities, Inc. | 200 | $25.0K | 0.00% | 00.0% | Unchanged |
| Fortitude Advisory Group L.L.C. | 185 | $23.0K | 0.01% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 175 | $22.0K | 0.00% | +175 | New |
| Nisa Investment Advisors, LLC | 160 | $20.0K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 140 | $17.3K | 0.00% | +80+133.3% | Added |
| Rockefeller Capital Management L.P. | 136 | $16.0K | 0.00% | +30+28.3% | Added |
| CVA Family Office, LLC | 115 | $14.0K | 0.00% | −60−34.3% | Reduced |
| Jackson, Grant Investment Advisers, Inc. | 109 | $13.0K | 0.01% | +109 | New |
| Hillsdale Investment Management Inc. | 100 | $12.0K | 0.00% | −5,800−98.3% | Reduced |
| Spectrum Management Group, LLC | 95 | $12.0K | 0.00% | +95 | New |
| Huntington National Bank | 86 | $11.0K | 0.00% | −6−6.5% | Reduced |
| Stonebridge Capital Advisors LLC | 79 | $10.0K | 0.00% | +79 | New |
| Massmutual Trust Co FSB | 70 | $9.00K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 72 | $9.00K | 0.00% | 00.0% | Unchanged |
| Core Alternative Capital | 65 | $8.00K | 0.00% | +65 | New |
| Meeder Asset Management Inc | 57 | $7.00K | 0.00% | −3,998−98.6% | Reduced |
| Earnest Partners LLC | 45 | $6.00K | 0.00% | 00.0% | Unchanged |