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 2023
Institutional positions in Westlake Corp as of Sep 30, 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
- 335
- −2 vs. Q2 2023
- Shares held
- 37.2M
- +308.4K (+0.8%) vs. Q2 2023
- Total value
- $4.64B
- +$231.6M (+5.2%) vs. Q2 2023
- New holders
- 36
- 92 more added
- Sold out
- 38
- 144 more reduced
3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 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 | $126 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 2 | $239 | 0.00% | 00.0% | Unchanged |
| Horizon Investments, LLC | 3 | $374 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 3 | $374 | 0.00% | +3 | New |
| True Wealth Design, LLC | 3 | $375 | 0.00% | 00.0% | Unchanged |
| Your Advocates Ltd., LLP | 5 | $623 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 6 | $749 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 7 | $873 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 7 | $873 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 9 | $1.12K | 0.00% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 9 | $1.12K | 0.00% | 00.0% | Unchanged |
| Gradient Investments LLC | 11 | $1.37K | 0.00% | 00.0% | Unchanged |
| American National Bank | 12 | $1.50K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 13 | $1.62K | 0.00% | −2−13.3% | Reduced |
| Sound Income Strategies, LLC | 15 | $1.87K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 16 | $2.00K | 0.00% | +10+166.7% | Added |
| SJS Investment Consulting Inc. | 18 | $2.25K | 0.00% | +1+5.9% | Added |
| AdvisorNet Financial, Inc | 19 | $2.37K | 0.00% | 00.0% | Unchanged |
| RFP Financial Group LLC | 21 | $2.62K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 22 | $2.74K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 28 | $3.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 26 | $3.24K | 0.00% | +3+13.0% | Added |
| Bell Investment Advisors, Inc | 27 | $3.37K | 0.00% | −3−10.0% | Reduced |
| Parkside Financial Bank & Trust | 28 | $3.49K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 29 | $4.00K | 0.00% | 00.0% | Unchanged |
| ORG Partners LLC | 40 | $4.99K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, N.A. | 43 | $5.36K | 0.00% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 50 | $6.23K | 0.00% | 00.0% | Unchanged |
| Anchor Investment Management, LLC | 52 | $6.48K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 56 | $6.98K | 0.00% | 00.0% | Unchanged |
| Steward Financial Group LLC | 63 | $7.00K | 0.00% | +63 | New |
| Quent Capital, LLC | 57 | $7.11K | 0.00% | 00.0% | Unchanged |
| Baker Avenue Asset Management, LP | 58 | $7.23K | 0.00% | +58 | New |
| Harbour Investments, Inc. | 67 | $8.35K | 0.00% | −2−2.9% | Reduced |
| AlphaMark Advisors, LLC | 75 | $9.00K | 0.00% | −80−51.6% | Reduced |
| Global Retirement Partners, LLC | 77 | $9.53K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 90 | $11.2K | 0.00% | 00.0% | Unchanged |
| Deseret Mutual Benefit Administrators | 90 | $11.2K | 0.01% | 00.0% | Unchanged |
| Distillate Capital Partners LLC | 97 | $12.1K | 3.05% | −3−3.0% | Reduced |
| Silver Oak Securities, Inc | 102 | $12.7K | 0.00% | −2,449−96.0% | Reduced |
| Jackson, Grant Investment Advisers, Inc. | 120 | $15.0K | 0.01% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 126 | $15.5K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 125 | $15.5K | 0.00% | −14,231−99.1% | Reduced |
| Hantz Financial Services, Inc. | 131 | $16.0K | 0.00% | −5−3.7% | Reduced |
| IFP Advisors, Inc | 130 | $16.2K | 0.00% | −10−7.1% | Reduced |
| Core Alternative Capital | 134 | $16.7K | 0.00% | 00.0% | Unchanged |
| Venturi Wealth Management, LLC | 156 | $19.4K | 0.00% | +128+457.1% | Added |
| Signaturefd, LLC | 157 | $19.6K | 0.00% | +11+7.5% | Added |
| Steward Partners Investment Advisory, LLC | 159 | $19.8K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 186 | $23.2K | 0.00% | −16,238−98.9% | Reduced |
| Proequities, Inc. | 200 | $24.9K | 0.00% | −1−0.5% | Reduced |
| Silicon Valley Capital Partners | 241 | $30.0K | 0.01% | +1+0.4% | Added |
| CWM, LLC | 263 | $33.0K | 0.00% | −16−5.7% | Reduced |
| UniSuper Management Pty Ltd | 300 | $37.4K | 0.00% | 00.0% | Unchanged |
| Pathway Financial Advisers, LLC | 347 | $43.3K | 0.02% | +347 | New |
| Arcadia Investment Management Corp | 350 | $43.6K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 354 | $44.1K | 0.00% | +127+55.9% | Added |
| GWM Advisors LLC | 367 | $45.8K | 0.00% | +256+230.6% | Added |
| Covestor Ltd | 425 | $53.0K | 0.04% | −381−47.3% | Reduced |
| Parallel Advisors, LLC | 458 | $57.1K | 0.00% | +4+0.9% | Added |
| Natixis | 478 | $59.6K | 0.00% | +376+368.6% | Added |
| Wahed Invest LLC | 507 | $63.2K | 0.02% | +44+9.5% | Added |
| Ostrum Asset Management | 508 | $63.3K | 0.01% | −4−0.8% | Reduced |
| Ci Investments Inc. | 510 | $64.0K | 0.00% | +1+0.2% | Added |
| Exchange Traded Concepts, LLC | 599 | $74.7K | 0.00% | +97+19.3% | Added |
| Thompson Siegel & Walmsley LLC | 627 | $78.0K | 0.00% | −26−4.0% | Reduced |
| Banque Cantonale Vaudoise | 637 | $79.0K | 0.00% | −363−36.3% | Reduced |
| State of Wyoming | 682 | $85.0K | 0.02% | +682 | New |
| Itau Unibanco Holding S.A. | 750 | $93.5K | 0.00% | −350−31.8% | Reduced |
| Penserra Capital Management LLC | 809 | $100.0K | 0.00% | +809 | New |
| Macquarie Group Ltd | 837 | $104.3K | 0.00% | +194+30.2% | Added |
| Quadrant Capital Group LLC | 941 | $117.3K | 0.01% | +40+4.4% | Added |
| Harvest Fund Management Co., Ltd | 1,035 | $129.0K | 0.02% | +760+276.4% | Added |
| Federation des caisses Desjardins du Quebec | 1,393 | $173.7K | 0.00% | −137−9.0% | Reduced |
| Tower Research Capital LLC (TRC) | 1,476 | $184.0K | 0.01% | −254−14.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,530 | $190.7K | 0.00% | +51+3.4% | Added |
| Capstone Investment Advisors, LLC | 1,653 | $206.1K | 0.01% | +1,653 | New |
| Pathstone Family Office, LLC | 1,668 | $207.9K | 0.00% | +1,668 | New |
| Mariner, LLC | 1,689 | $210.6K | 0.00% | +1,689 | New |
| Shelton Capital Management | 1,692 | $210.9K | 0.01% | 00.0% | Unchanged |
| Symmetry Partners, LLC | 1,700 | $212.0K | 0.01% | 00.0% | Unchanged |
| Korea Investment CORP | 1,702 | $212.2K | 0.00% | −6,502−79.3% | Reduced |
| Boothbay Fund Management, LLC | 1,767 | $220.3K | 0.01% | +1,767 | New |
| The PNC Financial Services Group, Inc. | 1,769 | $220.6K | 0.00% | −6−0.3% | Reduced |
| Impact Partnership Wealth, LLC | 1,773 | $221.1K | 0.07% | −1,246−41.3% | Reduced |
| Midwest Professional Planners, LTD. | 1,785 | $222.5K | 0.10% | +1,785 | New |
| Utah Retirement Systems | 1,800 | $224.4K | 0.00% | 00.0% | Unchanged |
| Fractal Investments LLC | 1,928 | $240.4K | 0.05% | 00.0% | Unchanged |
| Colony Group LLC | 1,939 | $242.0K | 0.00% | −93−4.6% | Reduced |
| Forum Financial Management, LP | 1,961 | $244.5K | 0.01% | 00.0% | Unchanged |
| Kapitalo Investimentos Ltda | 1,965 | $245.0K | 0.03% | −1,239−38.7% | Reduced |
| Nebula Research & Development LLC | 1,996 | $248.8K | 0.13% | +1,996 | New |
| Eagle Global Advisors LLC | 2,000 | $249.3K | 0.02% | 00.0% | Unchanged |
| Asahi Life Asset Management Co., Ltd. | 2,070 | $258.1K | 0.09% | +2,070 | New |
| APG Asset Management N.V. | 2,100 | $261.8K | 0.00% | 00.0% | Unchanged |
| Rockland Trust Co | 2,135 | $266.2K | 0.02% | 00.0% | Unchanged |
| Lighthouse Investment Partners, LLC | 2,148 | $267.8K | 0.02% | +2,148 | New |
| US Bancorp | 2,162 | $269.5K | 0.00% | −35−1.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 2,200 | $274.3K | 0.00% | +1,841+512.8% | Added |