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, Q2 2021
Institutional positions in Westlake Corp as of Jun 30, 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
- 276
- +40 vs. Q1 2021
- Shares held
- 33.5M
- −1.18M (−3.4%) vs. Q1 2021
- Total value
- $3.02B
- −$61.6M (−2.0%) vs. Q1 2021
- New holders
- 61
- 90 more added
- Sold out
- 21
- 73 more reduced
4 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TCI Wealth Advisors, Inc. | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 3 | $0 | 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 |
| TD Private Client Wealth LLC | 9 | $811 | 0.00% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 9 | $811 | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 10 | $1.00K | 0.00% | −19,763−99.9% | Reduced |
| Sound Income Strategies, LLC | 15 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 10 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bellwether Advisors, LLC | 13 | $1.00K | 0.00% | 00.0% | Unchanged |
| Strategic Blueprint, LLC | 7 | $1.00K | 0.00% | +7 | New |
| 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 |
| Clearstead Advisors, LLC | 32 | $3.00K | 0.00% | −39−54.9% | Reduced |
| Huntington National Bank | 34 | $3.00K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 34 | $3.00K | 0.00% | 00.0% | Unchanged |
| Enterprise Financial Services Corp | 31 | $3.00K | 0.00% | 00.0% | Unchanged |
| Reilly Financial Advisors, LLC | 30 | $3.00K | 0.00% | 00.0% | Unchanged |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 32 | $3.00K | 0.00% | +32 | New |
| Earnest Partners LLC | 45 | $4.00K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 50 | $5.00K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 55 | $5.00K | 0.00% | +5+10.0% | Added |
| NEXT Financial Group, Inc | 57 | $5.00K | 0.00% | +57 | New |
| American Portfolios Advisors | 60 | $5.41K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 70 | $6.00K | 0.00% | +70 | New |
| Brown Brothers Harriman & Co | 77 | $7.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 76 | $7.00K | 0.00% | +6+8.6% | Added |
| Federation des caisses Desjardins du Quebec | 81 | $7.30K | 0.00% | 00.0% | Unchanged |
| Covington Capital Management | 100 | $9.00K | 0.00% | 00.0% | Unchanged |
| Smith Asset Management Group LP | 110 | $10.0K | 0.00% | +10+10.0% | Added |
| Rockefeller Capital Management L.P. | 129 | $11.0K | 0.00% | +23+21.7% | Added |
| Financial Management Professionals, Inc. | 141 | $13.0K | 0.00% | +141 | New |
| Nisa Investment Advisors, LLC | 160 | $14.0K | 0.00% | −4,000−96.2% | Reduced |
| Proequities, Inc. | 200 | $18.0K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 199 | $18.0K | 0.00% | 00.0% | Unchanged |
| Jackson, Grant Investment Advisers, Inc. | 199 | $18.0K | 0.01% | +22+12.4% | Added |
| Berman Capital Advisors, LLC | 223 | $20.0K | 0.00% | +14+6.7% | Added |
| Deseret Mutual Benefit Administrators | 317 | $29.0K | 0.01% | +317 | New |
| Arcadia Investment Management Corp | 350 | $32.0K | 0.01% | 00.0% | Unchanged |
| Leonteq Securities AG | 363 | $32.7K | 0.00% | +363 | New |
| Advisory Services Network, LLC | 408 | $37.0K | 0.00% | +408 | New |
| American International Group, Inc. | 471 | $42.0K | 0.00% | +65+16.0% | Added |
| Lazard Asset Management LLC | 508 | $45.0K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 530 | $48.0K | 0.01% | +3+0.6% | Added |
| Denali Advisors LLC | 662 | $60.0K | 0.02% | +200+43.3% | Added |
| Dark Forest Capital Management LP | 720 | $65.0K | 0.03% | +720 | New |
| Group One Trading, L.P. | 737 | $66.0K | 0.00% | +376+104.2% | Added |
| Eaton Vance Management | 1,000 | $90.0K | 0.00% | −165−14.2% | Reduced |
| Metropolitan Life Insurance Co | 1,007 | $90.7K | 0.00% | +321+46.8% | Added |
| Simplex Trading, LLC | 1,112 | $100.0K | 0.00% | −89−7.4% | Reduced |
| Tower Research Capital LLC (TRC) | 1,195 | $107.0K | 0.00% | −6,457−84.4% | Reduced |
| State of Wyoming | 1,272 | $115.0K | 0.07% | +1,272 | New |
| Macquarie Group Ltd | 1,422 | $128.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,485 | $134.0K | 0.00% | +228+18.1% | Added |
| Captrust Financial Advisors | 1,497 | $135.0K | 0.00% | −100−6.3% | Reduced |
| Gulf International Bank (UK) Ltd | 1,600 | $142.0K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 1,594 | $144.0K | 0.01% | 00.0% | Unchanged |
| FORA Capital, LLC | 1,705 | $154.0K | 0.03% | +1,705 | New |
| Asset Management One Co.,Ltd. | 1,930 | $173.0K | 0.00% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 2,085 | $187.8K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 2,153 | $193.0K | 0.02% | +2,153 | New |
| US Bancorp | 2,186 | $197.0K | 0.00% | +61+2.9% | Added |
| Prelude Capital Management, LLC | 2,247 | $202.0K | 0.01% | +2,247 | New |
| Ensign Peak Advisors, Inc | 2,325 | $209.0K | 0.00% | +1,970+554.9% | Added |
| PEAK6 Investments LLC | 2,419 | $218.0K | 0.01% | −3,056−55.8% | Reduced |
| Two Sigma Securities, LLC | 2,476 | $223.0K | 0.06% | +2,476 | New |
| Harbor Financial Services, LLC | 2,500 | $225.0K | 0.09% | +2,500 | New |
| Quantinno Capital Management LP | 2,568 | $231.0K | 0.26% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 2,620 | $236.0K | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 2,682 | $242.0K | 0.01% | +2,682 | New |
| Martingale Asset Management L P | 2,760 | $249.0K | 0.00% | +2,760 | New |
| Maryland State Retirement & Pension System | 2,848 | $251.0K | 0.01% | 00.0% | Unchanged |
| Cipher Capital LP | 2,798 | $252.0K | 0.14% | −16,263−85.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 2,800 | $252.0K | 0.11% | −600−17.6% | Reduced |
| Colony Group LLC | 2,833 | $255.0K | 0.01% | −307−9.8% | Reduced |
| Banco Santander, S.A. | 2,865 | $258.0K | 0.00% | +2,865 | New |
| Principal Financial Group Inc | 2,870 | $259.0K | 0.00% | +513+21.8% | Added |
| New York State Teachers Retirement System | 2,900 | $261.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Ltd | 2,900 | $261.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 2,957 | $266.0K | 0.00% | +2,957 | New |
| Teza Capital Management LLC | 2,961 | $267.0K | 0.04% | +2,961 | New |
| Regentatlantic Capital LLC | 3,002 | $270.0K | 0.01% | 00.0% | Unchanged |
| Bourgeon Capital Management LLC | 3,000 | $270.0K | 0.06% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,000 | $270.0K | 0.00% | +3,000 | New |
| Advisor Group Holdings, Inc. | 3,043 | $275.0K | 0.00% | −12,692−80.7% | Reduced |
| BNP Paribas Arbitrage, SA | 3,123 | $281.4K | 0.00% | +427+15.8% | Added |
| Petrus Trust Company, LTA | 3,137 | $283.0K | 0.03% | +3,137 | New |
| Raymond James Financial Services Advisors, Inc. | 3,320 | $299.0K | 0.00% | +3,320 | New |
| Fox Run Management, L.L.C. | 3,353 | $302.0K | 0.27% | +3,353 | New |
| Ci Investments Inc. | 3,481 | $314.0K | 0.00% | +1,341+62.7% | Added |
| Blueshift Asset Management, LLC | 3,516 | $317.0K | 0.02% | −10,133−74.2% | Reduced |
| Paradigm Asset Management Co LLC | 3,600 | $324.3K | 0.08% | −200−5.3% | Reduced |
| SG Americas Securities, LLC | 3,632 | $327.0K | 0.00% | −382−9.5% | Reduced |
| American Century Companies Inc | 3,652 | $329.0K | 0.00% | +968+36.1% | Added |
| Unison Advisors LLC | 3,689 | $332.0K | 0.06% | +10+0.3% | Added |
| Occudo Quantitative Strategies LP | 3,716 | $335.0K | 0.05% | +3,716 | New |
| Ameritas Investment Partners, Inc. | 3,900 | $351.0K | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 3,956 | $356.0K | 0.00% | −343−8.0% | Reduced |
| Synovus Financial Corp | 4,015 | $359.0K | 0.00% | +4,015 | New |
| Pearl River Capital, LLC | 3,995 | $360.0K | 0.10% | +3,995 | New |