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 2023
Institutional positions in Westlake Corp as of Dec 31, 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
- 357
- +28 vs. Q3 2023
- Shares held
- 36.0M
- −1.11M (−3.0%) vs. Q3 2023
- Total value
- $5.04B
- +$412.6M (+8.9%) vs. Q3 2023
- New holders
- 57
- 103 more added
- Sold out
- 29
- 137 more reduced
6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ethic Inc. | 3,900 | $545.8K | 0.02% | +3,900 | New |
| Russell Investments Group, Ltd. | 3,892 | $544.8K | 0.00% | −196−4.8% | Reduced |
| D. E. Shaw & Co., Inc. | 3,878 | $542.8K | 0.00% | −28,377−88.0% | Reduced |
| Commonwealth Equity Services, LLC | 3,865 | $541.0K | 0.00% | +1,550+67.0% | Added |
| Toroso Investments, LLC | 3,855 | $539.5K | 0.01% | −1,654−30.0% | Reduced |
| James Investment Research Inc | 3,683 | $515.5K | 0.06% | +3,683 | New |
| Versor Investments LP | 3,670 | $513.7K | 0.10% | −800−17.9% | Reduced |
| Atria Wealth Solutions, Inc. | 3,562 | $498.5K | 0.01% | +136+4.0% | Added |
| TD Asset Management Inc | 3,528 | $493.8K | 0.00% | +798+29.2% | Added |
| McMahon Financial Advisors, LLC | 3,468 | $485.4K | 0.14% | −161−4.4% | Reduced |
| Capstone Investment Advisors, LLC | 3,416 | $478.1K | 0.01% | +1,763+106.7% | Added |
| DekaBank Deutsche Girozentrale | 3,402 | $477.0K | 0.00% | −146−4.1% | Reduced |
| SG Americas Securities, LLC | 3,392 | $475.0K | 0.01% | −8,763−72.1% | Reduced |
| Westover Capital Advisors, LLC | 3,326 | $465.5K | 0.15% | −104−3.0% | Reduced |
| Allianz Asset Management GmbH | 3,313 | $463.7K | 0.00% | −1,318−28.5% | Reduced |
| Nordea Investment Management AB | 3,260 | $455.5K | 0.00% | +377+13.1% | Added |
| Gulf International Bank (UK) Ltd | 3,218 | $450.0K | 0.01% | −442−12.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 3,174 | $444.2K | 0.00% | −938−22.8% | Reduced |
| Swiss Life Asset Management Ltd | 3,104 | $435.7K | 0.01% | −12,522−80.1% | Reduced |
| Yorktown Management & Research Co Inc | 3,050 | $426.9K | 0.45% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 2,928 | $409.0K | 0.00% | −173−5.6% | Reduced |
| Lindenwold Advisors | 2,824 | $395.2K | 0.22% | −29−1.0% | Reduced |
| Securian Asset Management, Inc | 2,703 | $378.3K | 0.01% | 00.0% | Unchanged |
| Tyche Wealth Partners LLC | 2,683 | $375.5K | 0.09% | +2,683 | New |
| PGGM Investments | 2,668 | $373.0K | 0.01% | 00.0% | Unchanged |
| Synovus Financial Corp | 2,645 | $370.2K | 0.01% | −2,567−49.3% | Reduced |
| Crossmark Global Holdings, Inc. | 2,604 | $364.0K | 0.01% | −1,272−32.8% | Reduced |
| National Bank of Canada | 2,521 | $354.3K | 0.00% | −499−16.5% | Reduced |
| Oppenheimer & Co Inc | 2,527 | $353.7K | 0.01% | −556−18.0% | Reduced |
| CSS LLC | 2,500 | $349.9K | 0.03% | 00.0% | Unchanged |
| Stifel Financial Corp | 2,497 | $349.5K | 0.00% | +2,497 | New |
| Pathstone Holdings, LLC | 2,495 | $349.2K | 0.00% | +2,495 | New |
| Maryland State Retirement & Pension System | 2,469 | $345.6K | 0.01% | 00.0% | Unchanged |
| Brown Advisory Inc | 2,429 | $339.9K | 0.00% | +191+8.5% | Added |
| Daiwa Securities Group Inc. | 2,424 | $339.0K | 0.00% | +200+9.0% | Added |
| Prelude Capital Management, LLC | 2,401 | $336.0K | 0.03% | +198+9.0% | Added |
| Bridgefront Capital, LLC | 2,348 | $328.6K | 0.25% | +2,348 | New |
| Canada Pension Plan Investment Board | 2,300 | $321.9K | 0.00% | +2,300 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,285 | $319.8K | 0.00% | 00.0% | Unchanged |
| Royal London Asset Management Ltd | 2,201 | $308.1K | 0.00% | +2,201 | New |
| Rockland Trust Co | 2,135 | $298.8K | 0.02% | 00.0% | Unchanged |
| Mariner, LLC | 2,066 | $289.2K | 0.00% | +377+22.3% | Added |
| US Bancorp | 2,048 | $286.6K | 0.00% | −114−5.3% | Reduced |
| Investors Research Corp | 2,000 | $279.9K | 0.07% | −550−21.6% | Reduced |
| Eagle Global Advisors LLC | 2,000 | $279.9K | 0.02% | 00.0% | Unchanged |
| Forum Financial Management, LP | 1,961 | $274.5K | 0.01% | 00.0% | Unchanged |
| Midwest Professional Planners, LTD. | 1,948 | $272.7K | 0.11% | +163+9.1% | Added |
| Colony Group, LLC | 1,941 | $272.0K | 0.00% | +1,941 | New |
| Inceptionr LLC | 1,883 | $263.5K | 0.19% | +1,883 | New |
| Bank of Nova Scotia | 1,825 | $255.4K | 0.00% | +1,825 | New |
| Franklin Resources Inc | 1,823 | $255.1K | 0.00% | +1,823 | New |
| MQS Management LLC | 1,800 | $251.9K | 0.14% | −4,534−71.6% | Reduced |
| Utah Retirement Systems | 1,800 | $251.9K | 0.00% | 00.0% | Unchanged |
| APG Asset Management N.V. | 1,951 | $247.2K | 0.00% | −149−7.1% | Reduced |
| The PNC Financial Services Group, Inc. | 1,759 | $246.2K | 0.00% | −10−0.6% | Reduced |
| Teacher Retirement System of Texas | 1,760 | $246.0K | 0.00% | −1,202−40.6% | Reduced |
| L2 Asset Management, LLC | 1,750 | $245.0K | 0.10% | +1,750 | New |
| CBOE Vest Financial, LLC | 1,682 | $235.4K | 0.01% | +1,682 | New |
| Park Avenue Securities LLC | 1,648 | $231.0K | 0.00% | +1,648 | New |
| Fractal Investments LLC | 1,600 | $223.9K | 0.05% | −328−17.0% | Reduced |
| Grey Fox Wealth Advisors, LLC | 1,570 | $219.8K | 0.10% | +1,570 | New |
| FourThought Financial Partners, LLC | 1,552 | $217.2K | 0.03% | +1,552 | New |
| M&T Bank Corp | 1,526 | $213.6K | 0.00% | +1,526 | New |
| Northwestern Mutual Wealth Management Co | 1,522 | $213.0K | 0.00% | −8−0.5% | Reduced |
| Peterson Wealth Services | 1,516 | $212.2K | 0.09% | +1,516 | New |
| Symmetry Partners, LLC | 1,500 | $211.0K | 0.01% | −200−11.8% | Reduced |
| Wetherby Asset Management Inc | 1,504 | $210.5K | 0.01% | +1,504 | New |
| Silver Oak Securities, Inc | 1,490 | $208.5K | 0.03% | +1,388+1,360.8% | Added |
| Clarius Group, LLC | 1,476 | $206.6K | 0.02% | +1,476 | New |
| Ci Investments Inc. | 1,458 | $204.0K | 0.00% | +948+185.9% | Added |
| Astoria Portfolio Advisors LLC. | 1,449 | $202.0K | 0.08% | +1,449 | New |
| Penserra Capital Management LLC | 1,305 | $182.0K | 0.00% | +496+61.3% | Added |
| Degroof Petercam Asset Management | 1,200 | $168.0K | 0.00% | +1,200 | New |
| Kapitalo Investimentos Ltda | 1,086 | $152.0K | 0.03% | −879−44.7% | Reduced |
| Harvest Fund Management Co., Ltd | 1,035 | $145.0K | 0.02% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 840 | $117.6K | 0.01% | −101−10.7% | Reduced |
| Macquarie Group Ltd | 837 | $117.1K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 676 | $94.7K | 0.00% | +676 | New |
| Thompson Siegel & Walmsley LLC | 627 | $88.0K | 0.00% | 00.0% | Unchanged |
| Planned Solutions, Inc. | 625 | $87.5K | 0.04% | +625 | New |
| Itau Unibanco Holding S.A. | 603 | $84.4K | 0.00% | −147−19.6% | Reduced |
| Wahed Invest LLC | 548 | $76.7K | 0.02% | +41+8.1% | Added |
| Ostrum Asset Management | 511 | $71.5K | 0.01% | +3+0.6% | Added |
| GWM Advisors LLC | 383 | $53.6K | 0.00% | +16+4.4% | Added |
| Arcadia Investment Management Corp | 350 | $49.0K | 0.01% | 00.0% | Unchanged |
| Pathway Financial Advisers, LLC | 348 | $48.8K | 0.02% | +1+0.3% | Added |
| Fifth Third Bancorp | 336 | $47.0K | 0.00% | −18−5.1% | Reduced |
| UniSuper Management Pty Ltd | 300 | $42.0K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 292 | $40.9K | 0.00% | −166−36.2% | Reduced |
| CWM, LLC | 286 | $40.0K | 0.00% | +23+8.7% | Added |
| GAMMA Investing LLC | 269 | $37.2K | 0.01% | +269 | New |
| Silicon Valley Capital Partners | 242 | $33.9K | 0.01% | +1+0.4% | Added |
| Venturi Wealth Management, LLC | 236 | $33.0K | 0.00% | +80+51.3% | Added |
| Natixis | 202 | $28.3K | 0.00% | −276−57.7% | Reduced |
| Proequities, Inc. | 200 | $28.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 199 | $27.9K | 0.00% | +42+26.8% | Added |
| Covestor Ltd | 188 | $27.0K | 0.02% | −237−55.8% | Reduced |
| Nisa Investment Advisors, LLC | 186 | $26.0K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 184 | $26.0K | 0.00% | +53+40.5% | Added |
| CVA Family Office, LLC | 180 | $25.2K | 0.00% | +180 | New |