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 2024
Institutional positions in Westlake Corp as of Dec 31, 2024. 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
- 378
- −20 vs. Q3 2024
- Shares held
- 35.3M
- +1.62M (+4.8%) vs. Q3 2024
- Total value
- $4.04B
- −$1.01B (−20.0%) vs. Q3 2024
- New holders
- 48
- 144 more added
- Sold out
- 68
- 128 more reduced
5 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −4,726−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −4,507−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | 0 | $0 | 0.00% | −4,070−100.0% | Sold out |
| Legacy Capital Group California, Inc. | 0 | $0 | 0.00% | −4,065−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −3,604−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −3,411−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −2,796−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −2,765−100.0% | Sold out |
| Midwest Professional Planners, LTD. | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −2,541−100.0% | Sold out |
| Rockland Trust Co | 0 | $0 | 0.00% | −2,135−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −2,077−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −2,002−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −2,003−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −1,951−100.0% | Sold out |
| ClearAlpha Technologies LP | 0 | $0 | 0.00% | −1,828−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −1,793−100.0% | Sold out |
| McMahon Financial Advisors, LLC | 0 | $0 | 0.00% | −1,790−100.0% | Sold out |
| L2 Asset Management, LLC | 0 | $0 | 0.00% | −1,749−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −1,627−100.0% | Sold out |
| Fractal Investments LLC | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −1,530−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −1,498−100.0% | Sold out |
| Wetherby Asset Management Inc | 0 | $0 | 0.00% | −1,495−100.0% | Sold out |
| Avantax Advisory Services, Inc. | 0 | $0 | 0.00% | −1,485−100.0% | Sold out |
| Clarius Group, LLC | 0 | $0 | 0.00% | −1,481−100.0% | Sold out |
| Aaron Wealth Advisors | 0 | $0 | 0.00% | −1,392−100.0% | Sold out |
| Meiji Yasuda Asset Management Co Ltd. | 0 | $0 | 0.00% | −1,391−100.0% | Sold out |
| Trajan Wealth LLC | 0 | $0 | 0.00% | −1,389−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −1,378−100.0% | Sold out |
| Astoria Portfolio Advisors LLC. | 0 | $0 | 0.00% | −1,424−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −1,362−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −1,340−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −1,337−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −556−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Gilliland Jeter Wealth Management LLC | 0 | $0 | 0.00% | −115−100.0% | Sold out |
| Morse Asset Management, Inc | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Reuter James Wealth Management, LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Ashton Thomas Securities, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Claris Advisors, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Scout Investments, Inc. | – | – | – | – | Not filed |
| Raymond James & Associates | – | – | – | – | Not filed |
| Fort Pitt Capital Group, LLC | – | – | – | – | Not filed |
| B. Metzler seel. Sohn & Co. Holding AG | – | – | – | – | Not filed |
| PEAK6 Investments LLC | – | – | – | – | Not filed |