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 2023
Institutional positions in Westlake Corp as of Mar 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
- 342
- +6 vs. Q4 2022
- Shares held
- 38.3M
- +1.96M (+5.4%) vs. Q4 2022
- Total value
- $4.40B
- +$671.8M (+18.0%) vs. Q4 2022
- New holders
- 49
- 108 more added
- Sold out
- 43
- 123 more reduced
8 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mount Lucas Management LP | 4,123 | $478.2K | 0.16% | −231−5.3% | Reduced |
| Denali Advisors LLC | 4,019 | $466.1K | 0.19% | −2,281−36.2% | Reduced |
| Acrisure Capital Management, LLC | 4,016 | $465.8K | 0.47% | +4,016 | New |
| Atria Wealth Solutions, Inc. | 3,670 | $425.6K | 0.01% | 00.0% | Unchanged |
| Westover Capital Advisors, LLC | 3,560 | $412.9K | 0.15% | −17−0.5% | Reduced |
| Lindenwold Advisors | 3,552 | $412.0K | 0.26% | +3,552 | New |
| Millennium Management LLC | 3,528 | $409.0K | 0.00% | −4,925−58.3% | Reduced |
| Westpac Banking Corp | 3,454 | $400.6K | 0.01% | 00.0% | Unchanged |
| Kistler-Tiffany Companies, LLC | 3,441 | $399.1K | 0.08% | +1,382+67.1% | Added |
| British Columbia Investment Management Corp | 3,396 | $393.9K | 0.00% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 3,371 | $391.0K | 0.01% | +449+15.4% | Added |
| Meixler Investment Management, Ltd. | 3,279 | $380.3K | 0.37% | −58−1.7% | Reduced |
| McMahon Financial Advisors, LLC | 3,237 | $375.4K | 0.12% | +3,237 | New |
| National Bank of Canada | 3,221 | $373.8K | 0.00% | +354+12.3% | Added |
| BTC Capital Management, Inc. | 3,171 | $367.8K | 0.04% | −214−6.3% | Reduced |
| Securian Asset Management, Inc | 3,158 | $366.3K | 0.01% | 00.0% | Unchanged |
| Yorktown Management & Research Co Inc | 3,050 | $353.7K | 0.38% | 00.0% | Unchanged |
| TD Asset Management Inc | 2,990 | $346.8K | 0.00% | −140−4.5% | Reduced |
| L2 Asset Management, LLC | 2,932 | $340.1K | 0.20% | −7,955−73.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 2,912 | $338.0K | 0.02% | −96−3.2% | Reduced |
| Private Advisor Group, LLC | 2,887 | $334.9K | 0.00% | +2,887 | New |
| Maryland State Retirement & Pension System | 2,848 | $330.3K | 0.01% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 2,841 | $329.5K | 0.02% | −2,739−49.1% | Reduced |
| Oppenheimer & Co Inc | 2,797 | $324.4K | 0.01% | −179−6.0% | Reduced |
| Synovus Financial Corp | 2,782 | $322.7K | 0.00% | −36−1.3% | Reduced |
| Prospera Financial Services Inc | 2,720 | $315.4K | 0.01% | −33−1.2% | Reduced |
| Royal London Asset Management Ltd | 2,721 | $313.8K | 0.00% | +1,268+87.3% | Added |
| Raymond James Financial Services Advisors, Inc. | 2,668 | $309.4K | 0.00% | +60+2.3% | Added |
| PGGM Investments | 2,668 | $309.0K | 0.01% | +465+21.1% | Added |
| Kennedy Capital Management, Inc. | 2,659 | $308.4K | 0.01% | −1,292−32.7% | Reduced |
| Investors Research Corp | 2,550 | $295.7K | 0.08% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 2,546 | $295.0K | 0.00% | +2,546 | New |
| CSS LLC | 2,500 | $289.9K | 0.02% | 00.0% | Unchanged |
| Grey Fox Wealth Advisors, LLC | 2,468 | $286.2K | 0.17% | −230−8.5% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 2,482 | $282.0K | 0.01% | +1,503+153.5% | Added |
| Silver Oak Securities, Inc | 2,384 | $279.0K | 0.05% | +2,384 | New |
| SevenOneSeven Capital Management | 2,408 | $273.1K | 0.62% | −983−29.0% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,293 | $265.9K | 0.00% | 00.0% | Unchanged |
| Colony Group LLC | 2,257 | $262.0K | 0.00% | −250−10.0% | Reduced |
| US Bancorp | 2,246 | $260.5K | 0.00% | +23+1.0% | Added |
| Commonwealth Equity Services, LLC | 2,248 | $260.0K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 2,237 | $259.4K | 0.00% | −33−1.5% | Reduced |
| First Eagle Investment Management, LLC | 2,206 | $255.9K | 0.00% | +2,100+1,981.1% | Added |
| Nordea Investment Management AB | 2,199 | $250.9K | 0.00% | 00.0% | Unchanged |
| Martingale Asset Management L P | 2,141 | $248.3K | 0.00% | −4,516−67.8% | Reduced |
| Stifel Financial Corp | 2,045 | $237.2K | 0.00% | +2,045 | New |
| Daiwa Securities Group Inc. | 2,024 | $235.0K | 0.00% | 00.0% | Unchanged |
| Eagle Global Advisors LLC | 2,000 | $232.0K | 0.02% | 00.0% | Unchanged |
| Rockland Trust Co | 1,975 | $229.1K | 0.01% | +1,975 | New |
| Forum Financial Management, LP | 1,961 | $227.4K | 0.01% | 00.0% | Unchanged |
| APG Asset Management N.V. | 2,100 | $224.2K | 0.00% | −2,135−50.4% | Reduced |
| Fractal Investments LLC | 1,928 | $223.6K | 0.05% | +1,928 | New |
| AE Wealth Management LLC | 1,919 | $222.6K | 0.00% | +1,919 | New |
| The PNC Financial Services Group, Inc. | 1,870 | $216.9K | 0.00% | +212+12.8% | Added |
| FORA Capital, LLC | 1,858 | $215.5K | 0.02% | +1,858 | New |
| Mariner, LLC | 1,840 | $213.0K | 0.00% | +1,840 | New |
| Utah Retirement Systems | 1,800 | $208.8K | 0.00% | −4,088−69.4% | Reduced |
| Shelton Capital Management | 1,769 | $205.2K | 0.01% | +1,769 | New |
| Wetherby Asset Management Inc | 1,767 | $204.9K | 0.01% | +1,767 | New |
| Itau Unibanco Holding S.A. | 1,741 | $201.9K | 0.01% | +855+96.5% | Added |
| Industrial Alliance Investment Management Inc. | 1,707 | $198.0K | 0.01% | +1,707 | New |
| Federation des caisses Desjardins du Quebec | 1,530 | $177.4K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 1,527 | $177.0K | 0.15% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 1,447 | $167.8K | 0.00% | −22−1.5% | Reduced |
| Belpointe Asset Management LLC | 1,181 | $137.0K | 0.01% | +1,127+2,087.0% | Added |
| Kapitalo Investimentos Ltda | 1,126 | $130.6K | 0.04% | +1,126 | New |
| Altshuler Shaham Ltd | 1,080 | $125.3K | 0.00% | +54+5.3% | Added |
| Banque Cantonale Vaudoise | 1,000 | $116.0K | 0.01% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 893 | $103.6K | 0.01% | +159+21.7% | Added |
| Tower Research Capital LLC (TRC) | 808 | $94.0K | 0.00% | −156−16.2% | Reduced |
| AlphaCentric Advisors LLC | 801 | $92.9K | 0.06% | −40−4.8% | Reduced |
| Chiron Investment Management, LLC | 682 | $79.1K | 0.01% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 677 | $78.5K | 0.00% | 00.0% | Unchanged |
| Thompson Siegel & Walmsley LLC | 653 | $76.0K | 0.00% | −5,256−88.9% | Reduced |
| Macquarie Group Ltd | 643 | $74.6K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 638 | $74.0K | 0.00% | +182+39.9% | Added |
| IFP Advisors, Inc | 511 | $59.6K | 0.00% | −9,663−95.0% | Reduced |
| Ostrum Asset Management | 512 | $59.4K | 0.01% | +512 | New |
| Ci Investments Inc. | 491 | $57.0K | 0.00% | +39+8.6% | Added |
| First Horizon Advisors, Inc. | 470 | $54.5K | 0.00% | +282+150.0% | Added |
| Parallel Advisors, LLC | 443 | $51.4K | 0.00% | −1−0.2% | Reduced |
| Wahed Invest LLC | 426 | $49.4K | 0.02% | −5−1.2% | Reduced |
| Orion Capital Management LLC | 400 | $46.4K | 0.03% | +400 | New |
| Smithfield Trust Co | 379 | $44.0K | 0.00% | 00.0% | Unchanged |
| Arcadia Investment Management Corp | 350 | $40.6K | 0.01% | 00.0% | Unchanged |
| Pathway Financial Advisers, LLC | 344 | $40.0K | 0.02% | +68+24.6% | Added |
| Harvest Fund Management Co., Ltd | 275 | $32.0K | 0.01% | 00.0% | Unchanged |
| Proequities, Inc. | 224 | $26.0K | 0.00% | −1−0.4% | Reduced |
| TCI Wealth Advisors, Inc. | 194 | $22.5K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 180 | $20.9K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 170 | $19.7K | 0.00% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 168 | $19.0K | 0.00% | +98+140.0% | Added |
| Steward Partners Investment Advisory, LLC | 159 | $18.4K | 0.00% | 00.0% | Unchanged |
| AlphaMark Advisors, LLC | 155 | $18.0K | 0.01% | +155 | New |
| Signaturefd, LLC | 139 | $16.1K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 138 | $16.0K | 0.00% | +138 | New |
| Hantz Financial Services, Inc. | 136 | $16.0K | 0.00% | +5+3.8% | Added |
| CWM, LLC | 131 | $15.0K | 0.00% | +2+1.6% | Added |
| Jackson, Grant Investment Advisers, Inc. | 120 | $13.9K | 0.01% | +11+10.1% | Added |
| Fifth Third Bancorp | 120 | $13.9K | 0.00% | +79+192.7% | Added |