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 |
|---|---|---|---|---|---|
| Financial Management Professionals, Inc. | 1 | $0 | 0.00% | +1 | New |
| Tfo-TDC, LLC | 2 | $232 | 0.00% | −1−33.3% | Reduced |
| True Wealth Design, LLC | 3 | $348 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 4 | $464 | 0.00% | +4 | New |
| Your Advocates Ltd., LLP | 5 | $580 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 6 | $696 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 6 | $696 | 0.00% | +6 | New |
| Hexagon Capital Partners LLC | 6 | $696 | 0.00% | +6 | New |
| SRS Capital Advisors, Inc. | 7 | $812 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 7 | $812 | 0.00% | +3+75.0% | Added |
| Horizon Investments, LLC | 8 | $928 | 0.00% | +8 | New |
| Versant Capital Management, Inc | 8 | $928 | 0.00% | +8 | New |
| Capital Advisors, Ltd. LLC | 7 | $1.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 9 | $1.04K | 0.00% | −72−88.9% | Reduced |
| Raffa Wealth Management, LLC | 9 | $1.04K | 0.00% | 00.0% | Unchanged |
| American National Bank | 12 | $1.39K | 0.00% | 00.0% | Unchanged |
| Bellwether Advisors, LLC | 13 | $1.51K | 0.00% | 00.0% | Unchanged |
| Disciplined Investments, LLC | 14 | $1.62K | 0.00% | +3+27.3% | Added |
| Farmers & Merchants Investments Inc | 15 | $1.74K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 15 | $1.74K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 17 | $2.00K | 0.00% | +17 | New |
| AdvisorNet Financial, Inc | 19 | $2.20K | 0.00% | +2+11.8% | Added |
| SJS Investment Consulting Inc. | 19 | $2.20K | 0.00% | +3+18.8% | Added |
| RFP Financial Group LLC | 21 | $2.44K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 22 | $2.55K | 0.00% | +12+120.0% | Added |
| Lindbrook Capital, LLC | 23 | $2.67K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 26 | $3.02K | 0.00% | −41−61.2% | Reduced |
| Parkside Financial Bank & Trust | 28 | $3.25K | 0.00% | 00.0% | Unchanged |
| Schubert & Co | 28 | $3.25K | 0.00% | +4+16.7% | Added |
| Venturi Wealth Management, LLC | 28 | $3.25K | 0.00% | +28 | New |
| Quent Capital, LLC | 47 | $5.45K | 0.00% | 00.0% | Unchanged |
| Anchor Investment Management, LLC | 52 | $6.03K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 56 | $6.50K | 0.00% | +16+40.0% | Added |
| Antipodes Partners Ltd | 71 | $8.00K | 0.00% | −190−72.8% | Reduced |
| Loomis Sayles & Co L P | 71 | $8.00K | 0.00% | +32+82.1% | Added |
| Harbour Investments, Inc. | 69 | $8.01K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 77 | $8.64K | 0.00% | +77 | New |
| GWM Advisors LLC | 86 | $9.97K | 0.00% | −120−58.3% | Reduced |
| Deseret Mutual Benefit Administrators | 90 | $10.4K | 0.00% | 00.0% | Unchanged |
| Worth Asset Management, LLC | 101 | $11.7K | 0.01% | 00.0% | Unchanged |
| Distillate Capital Partners LLC | 112 | $13.0K | 3.53% | +3+2.8% | Added |
| Core Alternative Capital | 119 | $13.8K | 0.00% | +33+38.4% | 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 |
| CWM, LLC | 131 | $15.0K | 0.00% | +2+1.6% | Added |
| Hantz Financial Services, Inc. | 136 | $16.0K | 0.00% | +5+3.8% | Added |
| Group One Trading, L.P. | 138 | $16.0K | 0.00% | +138 | New |
| Signaturefd, LLC | 139 | $16.1K | 0.00% | 00.0% | Unchanged |
| AlphaMark Advisors, LLC | 155 | $18.0K | 0.01% | +155 | New |
| Steward Partners Investment Advisory, LLC | 159 | $18.4K | 0.00% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 168 | $19.0K | 0.00% | +98+140.0% | Added |
| Private Trust Co NA | 170 | $19.7K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 180 | $20.9K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 194 | $22.5K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 224 | $26.0K | 0.00% | −1−0.4% | Reduced |
| Harvest Fund Management Co., Ltd | 275 | $32.0K | 0.01% | 00.0% | Unchanged |
| Pathway Financial Advisers, LLC | 344 | $40.0K | 0.02% | +68+24.6% | Added |
| Arcadia Investment Management Corp | 350 | $40.6K | 0.01% | 00.0% | Unchanged |
| Smithfield Trust Co | 379 | $44.0K | 0.00% | 00.0% | Unchanged |
| Orion Capital Management LLC | 400 | $46.4K | 0.03% | +400 | New |
| Wahed Invest LLC | 426 | $49.4K | 0.02% | −5−1.2% | Reduced |
| Parallel Advisors, LLC | 443 | $51.4K | 0.00% | −1−0.2% | Reduced |
| First Horizon Advisors, Inc. | 470 | $54.5K | 0.00% | +282+150.0% | Added |
| Ci Investments Inc. | 491 | $57.0K | 0.00% | +39+8.6% | Added |
| Ostrum Asset Management | 512 | $59.4K | 0.01% | +512 | New |
| IFP Advisors, Inc | 511 | $59.6K | 0.00% | −9,663−95.0% | Reduced |
| Exchange Traded Concepts, LLC | 638 | $74.0K | 0.00% | +182+39.9% | Added |
| Macquarie Group Ltd | 643 | $74.6K | 0.00% | 00.0% | Unchanged |
| Thompson Siegel & Walmsley LLC | 653 | $76.0K | 0.00% | −5,256−88.9% | Reduced |
| Advisory Services Network, LLC | 677 | $78.5K | 0.00% | 00.0% | Unchanged |
| Chiron Investment Management, LLC | 682 | $79.1K | 0.01% | 00.0% | Unchanged |
| AlphaCentric Advisors LLC | 801 | $92.9K | 0.06% | −40−4.8% | Reduced |
| Tower Research Capital LLC (TRC) | 808 | $94.0K | 0.00% | −156−16.2% | Reduced |
| Quadrant Capital Group LLC | 893 | $103.6K | 0.01% | +159+21.7% | Added |
| Banque Cantonale Vaudoise | 1,000 | $116.0K | 0.01% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 1,080 | $125.3K | 0.00% | +54+5.3% | Added |
| Kapitalo Investimentos Ltda | 1,126 | $130.6K | 0.04% | +1,126 | New |
| Belpointe Asset Management LLC | 1,181 | $137.0K | 0.01% | +1,127+2,087.0% | Added |
| Northwestern Mutual Wealth Management Co | 1,447 | $167.8K | 0.00% | −22−1.5% | Reduced |
| Covestor Ltd | 1,527 | $177.0K | 0.15% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 1,530 | $177.4K | 0.00% | 00.0% | Unchanged |
| Industrial Alliance Investment Management Inc. | 1,707 | $198.0K | 0.01% | +1,707 | New |
| Itau Unibanco Holding S.A. | 1,741 | $201.9K | 0.01% | +855+96.5% | Added |
| Wetherby Asset Management Inc | 1,767 | $204.9K | 0.01% | +1,767 | New |
| Shelton Capital Management | 1,769 | $205.2K | 0.01% | +1,769 | New |
| Utah Retirement Systems | 1,800 | $208.8K | 0.00% | −4,088−69.4% | Reduced |
| Mariner, LLC | 1,840 | $213.0K | 0.00% | +1,840 | New |
| FORA Capital, LLC | 1,858 | $215.5K | 0.02% | +1,858 | New |
| The PNC Financial Services Group, Inc. | 1,870 | $216.9K | 0.00% | +212+12.8% | Added |
| AE Wealth Management LLC | 1,919 | $222.6K | 0.00% | +1,919 | New |
| Fractal Investments LLC | 1,928 | $223.6K | 0.05% | +1,928 | New |
| APG Asset Management N.V. | 2,100 | $224.2K | 0.00% | −2,135−50.4% | Reduced |
| Forum Financial Management, LP | 1,961 | $227.4K | 0.01% | 00.0% | Unchanged |
| Rockland Trust Co | 1,975 | $229.1K | 0.01% | +1,975 | New |
| Eagle Global Advisors LLC | 2,000 | $232.0K | 0.02% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 2,024 | $235.0K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 2,045 | $237.2K | 0.00% | +2,045 | New |
| Martingale Asset Management L P | 2,141 | $248.3K | 0.00% | −4,516−67.8% | Reduced |
| Nordea Investment Management AB | 2,199 | $250.9K | 0.00% | 00.0% | Unchanged |
| First Eagle Investment Management, LLC | 2,206 | $255.9K | 0.00% | +2,100+1,981.1% | Added |