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 |
|---|---|---|---|---|---|
| Financial Management Professionals, Inc. | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 1 | $142 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 2 | $280 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 3 | $420 | 0.00% | 00.0% | Unchanged |
| Horizon Investments, LLC | 4 | $560 | 0.00% | +1+33.3% | Added |
| Group One Trading, L.P. | 4 | $560 | 0.00% | +4 | New |
| Sachetta, LLC | 4 | $560 | 0.00% | +4 | New |
| Your Advocates Ltd., LLP | 5 | $700 | 0.00% | 00.0% | Unchanged |
| Raleigh Capital Management Inc. | 5 | $700 | 0.00% | +5 | New |
| MCF Advisors LLC | 6 | $840 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 7 | $980 | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 7 | $980 | 0.00% | +7 | New |
| Winthrop Capital Management, LLC | 8 | $1.12K | 0.00% | +8 | New |
| Raffa Wealth Management, LLC | 9 | $1.26K | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 9 | $1.26K | 0.00% | +9 | New |
| Allworth Financial LP | 10 | $1.40K | 0.00% | +10 | New |
| Gradient Investments LLC | 11 | $1.54K | 0.00% | 00.0% | Unchanged |
| American National Bank | 12 | $1.68K | 0.00% | 00.0% | Unchanged |
| Impact Partnership Wealth, LLC | 13 | $1.82K | 0.00% | −1,760−99.3% | Reduced |
| Farmers & Merchants Investments Inc | 13 | $1.82K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 20 | $2.00K | 0.00% | +20 | New |
| Sound Income Strategies, LLC | 15 | $2.10K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 18 | $2.52K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 20 | $2.80K | 0.00% | −2−9.1% | Reduced |
| RFP Financial Group LLC | 21 | $2.94K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 22 | $3.08K | 0.00% | −5−18.5% | Reduced |
| Principal Securities, Inc. | 25 | $3.50K | 0.00% | +25 | New |
| Lindbrook Capital, LLC | 26 | $3.64K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 26 | $3.64K | 0.00% | +17+188.9% | Added |
| Parkside Financial Bank & Trust | 28 | $3.92K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 28 | $3.92K | 0.00% | +9+47.4% | Added |
| Bessemer Group Inc | 29 | $4.00K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 28 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bruce G. Allen Investments, LLC | 31 | $4.34K | 0.00% | +31 | New |
| Exchange Traded Concepts, LLC | 33 | $4.62K | 0.00% | −566−94.5% | Reduced |
| Cetera Trust Company, N.A | 40 | $5.60K | 0.00% | +40 | New |
| Smartleaf Asset Management LLC | 41 | $5.77K | 0.00% | +41 | New |
| Zions Bancorporation, N.A. | 43 | $6.02K | 0.00% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 50 | $7.00K | 0.00% | 00.0% | Unchanged |
| AlphaMark Advisors, LLC | 50 | $7.00K | 0.00% | −25−33.3% | Reduced |
| Private Wealth Management Group, LLC | 51 | $7.14K | 0.00% | +51 | New |
| JFS Wealth Advisors, LLC | 56 | $7.84K | 0.00% | 00.0% | Unchanged |
| Deseret Mutual Benefit Administrators | 62 | $8.68K | 0.01% | −28−31.1% | Reduced |
| Global Retirement Partners, LLC | 77 | $10.4K | 0.00% | 00.0% | Unchanged |
| ORG Partners LLC | 80 | $11.2K | 0.00% | +40+100.0% | Added |
| Farther Finance Advisors, LLC | 82 | $11.5K | 0.00% | +66+412.5% | Added |
| Harbour Investments, Inc. | 83 | $11.6K | 0.00% | +16+23.9% | Added |
| Private Trust Co NA | 90 | $12.6K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 91 | $12.7K | 0.00% | −34−27.2% | Reduced |
| Distillate Capital Partners LLC | 97 | $13.6K | 2.95% | 00.0% | Unchanged |
| Quent Capital, LLC | 107 | $15.0K | 0.00% | +50+87.7% | Added |
| IFP Advisors, Inc | 107 | $15.0K | 0.00% | −23−17.7% | Reduced |
| Core Alternative Capital | 107 | $15.0K | 0.00% | −27−20.1% | Reduced |
| Desjardins Global Asset Management Inc. | 115 | $16.1K | 0.00% | +115 | New |
| Jackson, Grant Investment Advisers, Inc. | 120 | $16.8K | 0.01% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 126 | $17.2K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 159 | $22.3K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 180 | $25.2K | 0.00% | +180 | New |
| Hantz Financial Services, Inc. | 184 | $26.0K | 0.00% | +53+40.5% | Added |
| Nisa Investment Advisors, LLC | 186 | $26.0K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 188 | $27.0K | 0.02% | −237−55.8% | Reduced |
| Signaturefd, LLC | 199 | $27.9K | 0.00% | +42+26.8% | Added |
| Proequities, Inc. | 200 | $28.0K | 0.00% | 00.0% | Unchanged |
| Natixis | 202 | $28.3K | 0.00% | −276−57.7% | Reduced |
| Venturi Wealth Management, LLC | 236 | $33.0K | 0.00% | +80+51.3% | Added |
| Silicon Valley Capital Partners | 242 | $33.9K | 0.01% | +1+0.4% | Added |
| GAMMA Investing LLC | 269 | $37.2K | 0.01% | +269 | New |
| CWM, LLC | 286 | $40.0K | 0.00% | +23+8.7% | Added |
| Parallel Advisors, LLC | 292 | $40.9K | 0.00% | −166−36.2% | Reduced |
| UniSuper Management Pty Ltd | 300 | $42.0K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 336 | $47.0K | 0.00% | −18−5.1% | Reduced |
| Pathway Financial Advisers, LLC | 348 | $48.8K | 0.02% | +1+0.3% | Added |
| Arcadia Investment Management Corp | 350 | $49.0K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 383 | $53.6K | 0.00% | +16+4.4% | Added |
| Ostrum Asset Management | 511 | $71.5K | 0.01% | +3+0.6% | Added |
| Wahed Invest LLC | 548 | $76.7K | 0.02% | +41+8.1% | Added |
| Itau Unibanco Holding S.A. | 603 | $84.4K | 0.00% | −147−19.6% | Reduced |
| Planned Solutions, Inc. | 625 | $87.5K | 0.04% | +625 | New |
| Thompson Siegel & Walmsley LLC | 627 | $88.0K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 676 | $94.7K | 0.00% | +676 | New |
| Macquarie Group Ltd | 837 | $117.1K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 840 | $117.6K | 0.01% | −101−10.7% | Reduced |
| Harvest Fund Management Co., Ltd | 1,035 | $145.0K | 0.02% | 00.0% | Unchanged |
| Kapitalo Investimentos Ltda | 1,086 | $152.0K | 0.03% | −879−44.7% | Reduced |
| Degroof Petercam Asset Management | 1,200 | $168.0K | 0.00% | +1,200 | New |
| Penserra Capital Management LLC | 1,305 | $182.0K | 0.00% | +496+61.3% | Added |
| Astoria Portfolio Advisors LLC. | 1,449 | $202.0K | 0.08% | +1,449 | New |
| Ci Investments Inc. | 1,458 | $204.0K | 0.00% | +948+185.9% | Added |
| Clarius Group, LLC | 1,476 | $206.6K | 0.02% | +1,476 | New |
| Silver Oak Securities, Inc | 1,490 | $208.5K | 0.03% | +1,388+1,360.8% | Added |
| Wetherby Asset Management Inc | 1,504 | $210.5K | 0.01% | +1,504 | New |
| Symmetry Partners, LLC | 1,500 | $211.0K | 0.01% | −200−11.8% | Reduced |
| Peterson Wealth Services | 1,516 | $212.2K | 0.09% | +1,516 | New |
| Northwestern Mutual Wealth Management Co | 1,522 | $213.0K | 0.00% | −8−0.5% | Reduced |
| M&T Bank Corp | 1,526 | $213.6K | 0.00% | +1,526 | New |
| FourThought Financial Partners, LLC | 1,552 | $217.2K | 0.03% | +1,552 | New |
| Grey Fox Wealth Advisors, LLC | 1,570 | $219.8K | 0.10% | +1,570 | New |
| Fractal Investments LLC | 1,600 | $223.9K | 0.05% | −328−17.0% | Reduced |
| Park Avenue Securities LLC | 1,648 | $231.0K | 0.00% | +1,648 | New |
| CBOE Vest Financial, LLC | 1,682 | $235.4K | 0.01% | +1,682 | New |