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 2023
Institutional positions in Westlake Corp as of Jun 30, 2023. 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
- 340
- −1 vs. Q1 2023
- Shares held
- 37.0M
- −1.34M (−3.5%) vs. Q1 2023
- Total value
- $4.42B
- +$15.4M (+0.4%) vs. Q1 2023
- New holders
- 45
- 104 more added
- Sold out
- 46
- 128 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 4,312 | $515.2K | 0.00% | −2,783−39.2% | Reduced |
| Legacy Capital Group California, Inc. | 4,271 | $510.3K | 0.21% | +139+3.4% | Added |
| Nissay Asset Management Corp | 4,207 | $502.6K | 0.00% | −89−2.1% | Reduced |
| Xponance, Inc. | 4,158 | $496.8K | 0.01% | −398−8.7% | Reduced |
| Gulf International Bank (UK) Ltd | 3,960 | $473.0K | 0.01% | −1,168−22.8% | Reduced |
| Dark Forest Capital Management LP | 3,862 | $461.4K | 0.05% | +3,862 | New |
| Prelude Capital Management, LLC | 3,842 | $459.0K | 0.04% | +1,001+35.2% | Added |
| Bank of Montreal | 3,705 | $443.7K | 0.00% | −831−18.3% | Reduced |
| Westover Capital Advisors, LLC | 3,473 | $414.9K | 0.14% | −87−2.4% | Reduced |
| Atria Wealth Solutions, Inc. | 3,436 | $410.5K | 0.01% | −234−6.4% | Reduced |
| British Columbia Investment Management Corp | 3,396 | $405.7K | 0.00% | 00.0% | Unchanged |
| Kistler-Tiffany Companies, LLC | 3,322 | $396.9K | 0.06% | −119−3.5% | Reduced |
| Ontario Teachers Pension Plan Board | 3,317 | $396.3K | 0.00% | −2,407−42.1% | Reduced |
| McMahon Financial Advisors, LLC | 3,313 | $395.8K | 0.12% | +76+2.3% | Added |
| Meixler Investment Management, Ltd. | 3,240 | $387.1K | 0.36% | −39−1.2% | Reduced |
| BTC Capital Management, Inc. | 3,229 | $386.5K | 0.04% | +58+1.8% | Added |
| AE Wealth Management LLC | 3,207 | $383.2K | 0.00% | +1,288+67.1% | Added |
| Kapitalo Investimentos Ltda | 3,204 | $382.8K | 0.07% | +2,078+184.5% | Added |
| National Bank of Canada | 3,148 | $375.7K | 0.00% | −73−2.3% | Reduced |
| Securian Asset Management, Inc | 3,058 | $365.3K | 0.01% | −100−3.2% | Reduced |
| Yorktown Management & Research Co Inc | 3,050 | $364.4K | 0.39% | 00.0% | Unchanged |
| Impact Partnership Wealth, LLC | 3,019 | $360.7K | 0.13% | +3,019 | New |
| Magnetar Financial LLC | 2,925 | $349.4K | 0.01% | +2,925 | New |
| Schonfeld Strategic Advisors LLC | 2,900 | $346.5K | 0.00% | +2,900 | New |
| Teacher Retirement System of Texas | 2,897 | $346.0K | 0.00% | −1,359−31.9% | Reduced |
| TD Asset Management Inc | 2,870 | $342.9K | 0.00% | −120−4.0% | Reduced |
| First Eagle Investment Management, LLC | 2,868 | $342.6K | 0.00% | +662+30.0% | Added |
| Lindenwold Advisors | 2,842 | $339.5K | 0.21% | −710−20.0% | Reduced |
| Oppenheimer & Co Inc | 2,780 | $332.1K | 0.01% | −17−0.6% | Reduced |
| Royal London Asset Management Ltd | 2,721 | $325.1K | 0.00% | 00.0% | Unchanged |
| PGGM Investments | 2,668 | $319.0K | 0.01% | 00.0% | Unchanged |
| SevenOneSeven Capital Management | 2,403 | $317.6K | 0.71% | −5−0.2% | Reduced |
| PEAK6 Investments LLC | 2,611 | $311.9K | 0.03% | +2,611 | New |
| Synovus Financial Corp | 2,605 | $311.2K | 0.00% | −177−6.4% | Reduced |
| Silver Oak Securities, Inc | 2,551 | $305.0K | 0.05% | +167+7.0% | Added |
| Investors Research Corp | 2,550 | $304.6K | 0.08% | 00.0% | Unchanged |
| Nordea Investment Management AB | 2,513 | $297.9K | 0.00% | +314+14.3% | Added |
| HighTower Advisors, LLC | 2,494 | $295.0K | 0.00% | +2,494 | New |
| Maryland State Retirement & Pension System | 2,469 | $295.0K | 0.01% | −379−13.3% | Reduced |
| Verition Fund Management LLC | 2,355 | $281.4K | 0.00% | −3,532−60.0% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,293 | $273.9K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 2,255 | $269.0K | 0.00% | +7+0.3% | Added |
| Brown Advisory Inc | 2,237 | $267.3K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 2,224 | $266.0K | 0.00% | +200+9.9% | Added |
| Martingale Asset Management L P | 2,205 | $263.4K | 0.01% | +64+3.0% | Added |
| US Bancorp | 2,197 | $262.5K | 0.00% | −49−2.2% | Reduced |
| Franklin Resources Inc | 2,172 | $259.5K | 0.00% | +2,172 | New |
| Rockland Trust Co | 2,135 | $255.1K | 0.02% | +160+8.1% | Added |
| Colony Group LLC | 2,032 | $243.0K | 0.00% | −225−10.0% | Reduced |
| Eagle Global Advisors LLC | 2,000 | $238.9K | 0.02% | 00.0% | Unchanged |
| Forum Financial Management, LP | 1,961 | $234.3K | 0.01% | 00.0% | Unchanged |
| Fractal Investments LLC | 1,928 | $230.3K | 0.05% | 00.0% | Unchanged |
| APG Asset Management N.V. | 2,100 | $230.0K | 0.00% | 00.0% | Unchanged |
| Teza Capital Management LLC | 1,922 | $229.6K | 0.04% | +1,922 | New |
| Utah Retirement Systems | 1,800 | $215.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,775 | $212.0K | 0.00% | −95−5.1% | Reduced |
| Tower Research Capital LLC (TRC) | 1,730 | $206.7K | 0.01% | +922+114.1% | Added |
| Astoria Portfolio Advisors LLC. | 1,583 | $205.0K | 0.08% | +1,583 | New |
| Symmetry Partners, LLC | 1,700 | $203.0K | 0.01% | +1,700 | New |
| Shelton Capital Management | 1,692 | $202.1K | 0.01% | −77−4.4% | Reduced |
| Bank of Nova Scotia | 1,684 | $201.2K | 0.00% | +1,684 | New |
| Federation des caisses Desjardins du Quebec | 1,530 | $182.8K | 0.00% | 00.0% | Unchanged |
| iA Global Asset Management Inc. | 1,512 | $181.0K | 0.00% | +1,512 | New |
| Northwestern Mutual Wealth Management Co | 1,479 | $176.7K | 0.00% | +32+2.2% | Added |
| Itau Unibanco Holding S.A. | 1,100 | $131.4K | 0.01% | −641−36.8% | Reduced |
| Banque Cantonale Vaudoise | 1,000 | $119.0K | 0.01% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 901 | $107.6K | 0.01% | +8+0.9% | Added |
| Covestor Ltd | 806 | $96.0K | 0.07% | −721−47.2% | Reduced |
| Chiron Investment Management, LLC | 682 | $81.5K | 0.02% | 00.0% | Unchanged |
| Thompson Siegel & Walmsley LLC | 653 | $78.0K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 643 | $76.8K | 0.00% | 00.0% | Unchanged |
| Ostrum Asset Management | 512 | $61.2K | 0.01% | 00.0% | Unchanged |
| Ci Investments Inc. | 509 | $61.0K | 0.00% | +18+3.7% | Added |
| Exchange Traded Concepts, LLC | 502 | $60.0K | 0.00% | −136−21.3% | Reduced |
| Wahed Invest LLC | 463 | $55.3K | 0.02% | +37+8.7% | Added |
| Parallel Advisors, LLC | 454 | $54.3K | 0.00% | +11+2.5% | Added |
| Robeco Institutional Asset Management B.V. | 359 | $42.9K | 0.00% | +359 | New |
| Arcadia Investment Management Corp | 350 | $41.8K | 0.01% | 00.0% | Unchanged |
| Artemis Wealth Advisors, LLC | 314 | $37.5K | 0.01% | +314 | New |
| UniSuper Management Pty Ltd | 300 | $35.8K | 0.00% | +300 | New |
| Harvest Fund Management Co., Ltd | 275 | $33.0K | 0.01% | 00.0% | Unchanged |
| CWM, LLC | 279 | $33.0K | 0.00% | +148+113.0% | Added |
| Silicon Valley Capital Partners | 240 | $28.7K | 0.01% | +240 | New |
| Fifth Third Bancorp | 227 | $27.1K | 0.00% | +107+89.2% | Added |
| Proequities, Inc. | 201 | $24.0K | 0.00% | −23−10.3% | Reduced |
| CVA Family Office, LLC | 180 | $21.5K | 0.00% | 00.0% | Unchanged |
| AlphaMark Advisors, LLC | 155 | $19.0K | 0.01% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 159 | $19.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 146 | $17.4K | 0.00% | +7+5.0% | Added |
| IFP Advisors, Inc | 140 | $16.3K | 0.00% | −371−72.6% | Reduced |
| Core Alternative Capital | 134 | $16.0K | 0.00% | +15+12.6% | Added |
| Hantz Financial Services, Inc. | 136 | $16.0K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 126 | $15.1K | 0.00% | +109+641.2% | Added |
| Jackson, Grant Investment Advisers, Inc. | 120 | $14.3K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 111 | $13.3K | 0.00% | +25+29.1% | Added |
| Natixis | 102 | $12.2K | 0.00% | −4,798−97.9% | Reduced |
| Worth Asset Management, LLC | 102 | $12.1K | 0.01% | +1+1.0% | Added |
| Distillate Capital Partners LLC | 100 | $11.9K | 3.86% | −12−10.7% | Reduced |
| Private Trust Co NA | 90 | $10.8K | 0.00% | −80−47.1% | Reduced |
| Deseret Mutual Benefit Administrators | 90 | $10.8K | 0.00% | 00.0% | Unchanged |