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, Q3 2024
Institutional positions in Westlake Corp as of Sep 30, 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
- 403
- +23 vs. Q2 2024
- Shares held
- 33.8M
- +3.18M (+10.4%) vs. Q2 2024
- Total value
- $5.08B
- +$644.6M (+14.5%) vs. Q2 2024
- New holders
- 69
- 147 more added
- Sold out
- 46
- 123 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 2,739,779 | $411.8M | 0.40% | −103,506−3.6% | Reduced |
| BlackRock, Inc. | 3,497,856 | $525.7M | 0.01% | +3,497,856 | New |
| Vanguard Group Inc | 3,856,680 | $579.6M | 0.01% | +14,772+0.4% | Added |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −98,852−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −51,127−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −35,505−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −21,992−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −18,354−100.0% | Sold out |
| Jade Capital Advisors, LLC | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −11,936−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −9,888−100.0% | Sold out |
| BI Asset Management Fondsmaeglerselskab A/S | 0 | $0 | 0.00% | −9,596−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −8,399−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −7,667−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −7,233−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −6,773−100.0% | Sold out |
| Hanlon Investment Management, Inc. | 0 | $0 | 0.00% | −5,522−100.0% | Sold out |
| APG Asset Management N.V. | 0 | $0 | 0.00% | −5,651−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −4,338−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −4,307−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −4,288−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −3,539−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −3,499−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −3,482−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −3,444−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −3,272−100.0% | Sold out |
| Grantham, Mayo, Van Otterloo & Co. LLC | 0 | $0 | 0.00% | −3,161−100.0% | Sold out |
| BTC Capital Management, Inc. | 0 | $0 | 0.00% | −3,049−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −2,882−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −2,687−100.0% | Sold out |
| MBB Public Markets I LLC | 0 | $0 | 0.00% | −2,439−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −2,172−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −1,903−100.0% | Sold out |
| Swiss Life Asset Management Ltd | 0 | $0 | 0.00% | −1,766−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,722−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −1,433−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −1,394−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −1,128−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −821−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −702−100.0% | Sold out |
| GFS Advisors, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| VisionPoint Advisory Group, LLC | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Camelot Portfolios, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Valley National Advisers Inc | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Ashton Thomas Private Wealth, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Delos Wealth Advisors, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| TFC Financial Management | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| Susquehanna Fundamental Investments, LLC | – | – | – | – | Not filed |