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 2024
Institutional positions in Westlake Corp as of Mar 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
- 347
- −8 vs. Q4 2023
- Shares held
- 34.8M
- −1.23M (−3.4%) vs. Q4 2023
- Total value
- $5.29B
- +$250.9M (+5.0%) vs. Q4 2023
- New holders
- 45
- 121 more added
- Sold out
- 53
- 119 more reduced
2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| McMahon Financial Advisors, LLC | 3,637 | $555.7K | 0.15% | +169+4.9% | Added |
| James Investment Research Inc | 3,625 | $553.9K | 0.07% | −58−1.6% | Reduced |
| DekaBank Deutsche Girozentrale | 3,518 | $532.0K | 0.00% | +116+3.4% | Added |
| TD Asset Management Inc | 3,428 | $523.8K | 0.00% | −100−2.8% | Reduced |
| Allianz Asset Management GmbH | 3,367 | $514.5K | 0.00% | +54+1.6% | Added |
| Gulf International Bank (UK) Ltd | 3,302 | $504.0K | 0.01% | +84+2.6% | Added |
| Nordea Investment Management AB | 3,277 | $500.6K | 0.00% | +17+0.5% | Added |
| Cetera Investment Advisers | 3,248 | $496.3K | 0.00% | +3,248 | New |
| Captrust Financial Advisors | 3,200 | $489.0K | 0.00% | −1,211−27.5% | Reduced |
| Nisa Investment Advisors, LLC | 3,142 | $480.1K | 0.00% | +2,956+1,589.2% | Added |
| D. E. Shaw & Co., Inc. | 3,067 | $468.6K | 0.00% | −811−20.9% | Reduced |
| Yorktown Management & Research Co Inc | 3,050 | $466.0K | 0.44% | 00.0% | Unchanged |
| Westover Capital Advisors, LLC | 3,031 | $463.1K | 0.14% | −295−8.9% | Reduced |
| Baird Financial Group, Inc. | 2,965 | $453.1K | 0.00% | −5,711−65.8% | Reduced |
| HighTower Advisors, LLC | 2,938 | $449.0K | 0.00% | −1,294−30.6% | Reduced |
| Lindenwold Advisors | 2,826 | $431.8K | 0.23% | +2+0.1% | Added |
| BTC Capital Management, Inc. | 2,746 | $419.6K | 0.04% | +2,746 | New |
| Custom Index Systems, LLC | 2,729 | $417.0K | 0.24% | +2,729 | New |
| Tyche Wealth Partners LLC | 2,683 | $410.0K | 0.10% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 2,678 | $409.0K | 0.01% | +74+2.8% | Added |
| PGGM Investments | 2,668 | $408.0K | 0.01% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 2,624 | $401.0K | 0.00% | +200+8.3% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 2,614 | $399.0K | 0.01% | −12,695−82.9% | Reduced |
| Securian Asset Management, Inc | 2,603 | $397.7K | 0.01% | −100−3.7% | Reduced |
| Neuberger Berman Group LLC | 2,562 | $391.5K | 0.00% | −9,060−78.0% | Reduced |
| Brown Advisory Inc | 2,529 | $386.4K | 0.00% | +100+4.1% | Added |
| Oppenheimer & Co Inc | 2,527 | $386.1K | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 2,436 | $372.2K | 0.00% | −61−2.4% | Reduced |
| Maryland State Retirement & Pension System | 2,469 | $366.6K | 0.01% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 2,355 | $359.8K | 0.01% | −749−24.1% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,285 | $349.1K | 0.00% | 00.0% | Unchanged |
| Midwest Professional Planners, LTD. | 2,203 | $336.6K | 0.12% | +255+13.1% | Added |
| Mariner, LLC | 2,165 | $330.9K | 0.00% | +99+4.8% | Added |
| Park Avenue Securities LLC | 2,145 | $328.0K | 0.00% | +497+30.2% | Added |
| Rockland Trust Co | 2,135 | $326.2K | 0.02% | 00.0% | Unchanged |
| US Bancorp | 2,076 | $317.2K | 0.00% | +28+1.4% | Added |
| Walleye Trading LLC | 2,008 | $306.8K | 0.01% | +2,008 | New |
| Buckingham Strategic Partners | 2,004 | $306.2K | 0.01% | +2,004 | New |
| Eagle Global Advisors LLC | 2,000 | $305.6K | 0.02% | 00.0% | Unchanged |
| Forum Financial Management, LP | 1,961 | $299.6K | 0.01% | 00.0% | Unchanged |
| XTX Topco Ltd | 1,959 | $299.3K | 0.04% | −2,001−50.5% | Reduced |
| Colony Group, LLC | 1,950 | $298.0K | 0.00% | +9+0.5% | Added |
| PDT Partners, LLC | 1,923 | $293.8K | 0.03% | +1,923 | New |
| L2 Asset Management, LLC | 1,913 | $292.3K | 0.10% | +163+9.3% | Added |
| Tudor Investment Corp Et Al | 1,903 | $290.8K | 0.00% | −97,850−98.1% | Reduced |
| Prudential PLC | 1,866 | $285.1K | 0.00% | +1,866 | New |
| Franklin Resources Inc | 1,859 | $284.1K | 0.00% | +36+2.0% | Added |
| APG Asset Management N.V. | 1,951 | $276.0K | 0.00% | 00.0% | Unchanged |
| Utah Retirement Systems | 1,800 | $275.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,787 | $273.1K | 0.01% | −2,527−58.6% | Reduced |
| The PNC Financial Services Group, Inc. | 1,785 | $272.8K | 0.00% | +26+1.5% | Added |
| Ci Investments Inc. | 1,664 | $254.0K | 0.00% | +206+14.1% | Added |
| Prelude Capital Management, LLC | 1,640 | $250.6K | 0.02% | −761−31.7% | Reduced |
| Fractal Investments LLC | 1,600 | $244.5K | 0.04% | 00.0% | Unchanged |
| CIBC World Markets Corp | 1,574 | $240.5K | 0.00% | +1,574 | New |
| FourThought Financial Partners, LLC | 1,552 | $237.1K | 0.03% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 1,539 | $235.2K | 0.00% | +17+1.1% | Added |
| Assenagon Asset Management S.A. | 1,506 | $230.1K | 0.00% | +1,506 | New |
| Astoria Portfolio Advisors LLC. | 1,500 | $229.8K | 0.09% | +51+3.5% | Added |
| Wetherby Asset Management Inc | 1,504 | $229.8K | 0.01% | 00.0% | Unchanged |
| Symmetry Partners, LLC | 1,500 | $229.0K | 0.02% | 00.0% | Unchanged |
| Bank of Nova Scotia | 1,494 | $228.4K | 0.00% | −331−18.1% | Reduced |
| Clarius Group, LLC | 1,476 | $225.5K | 0.02% | 00.0% | Unchanged |
| M&T Bank Corp | 1,441 | $220.6K | 0.00% | −85−5.6% | Reduced |
| Trajan Wealth LLC | 1,429 | $218.4K | 0.01% | +1,429 | New |
| Grey Fox Wealth Advisors, LLC | 1,419 | $216.9K | 0.08% | −151−9.6% | Reduced |
| Shelton Capital Management | 1,397 | $213.5K | 0.01% | +1,397 | New |
| Meiji Yasuda Asset Management Co Ltd. | 1,391 | $212.5K | 0.01% | +1,391 | New |
| Keybank National Association | 1,390 | $212.4K | 0.00% | +1,390 | New |
| Avantax Advisory Services, Inc. | 1,358 | $207.5K | 0.00% | +1,358 | New |
| United Capital Financial Advisers, LLC | 1,332 | $203.5K | 0.00% | +1,332 | New |
| MAI Capital Management | 1,311 | $200.3K | 0.00% | +1,311 | New |
| Degroof Petercam Asset Management | 1,200 | $183.4K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 840 | $128.4K | 0.01% | 00.0% | Unchanged |
| Macquarie Group Ltd | 837 | $127.9K | 0.00% | 00.0% | Unchanged |
| Wahed Invest LLC | 596 | $91.1K | 0.02% | +48+8.8% | Added |
| Ostrum Asset Management | 511 | $78.1K | 0.01% | 00.0% | Unchanged |
| UniSuper Management Pty Ltd | 500 | $76.4K | 0.00% | +200+66.7% | Added |
| GWM Advisors LLC | 408 | $62.4K | 0.00% | +25+6.5% | Added |
| Catalyst Funds Management Pty Ltd | 400 | $61.1K | 0.02% | +400 | New |
| Parallel Advisors, LLC | 353 | $53.9K | 0.00% | +61+20.9% | Added |
| Arcadia Investment Management Corp | 350 | $53.5K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 349 | $53.3K | 0.00% | +13+3.9% | Added |
| CWM, LLC | 337 | $52.0K | 0.00% | +51+17.8% | Added |
| Pathway Financial Advisers, LLC | 280 | $42.9K | 0.02% | −68−19.5% | Reduced |
| GAMMA Investing LLC | 269 | $41.1K | 0.01% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 241 | $37.9K | 0.01% | +241 | New |
| Silicon Valley Capital Partners | 243 | $37.1K | 0.01% | +1+0.4% | Added |
| Proequities, Inc. | 200 | $30.6K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 199 | $30.4K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 190 | $29.0K | 0.02% | +2+1.1% | Added |
| CVA Family Office, LLC | 180 | $27.5K | 0.00% | 00.0% | Unchanged |
| Venturi Wealth Management, LLC | 163 | $24.9K | 0.00% | −73−30.9% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 156 | $23.8K | 0.00% | +156 | New |
| National Bank of Canada | 136 | $21.5K | 0.00% | −2,385−94.6% | Reduced |
| CoreCap Advisors, LLC | 133 | $20.3K | 0.00% | +133 | New |
| Steward Partners Investment Advisory, LLC | 125 | $19.1K | 0.00% | −34−21.4% | Reduced |
| Jackson, Grant Investment Advisers, Inc. | 120 | $18.3K | 0.01% | 00.0% | Unchanged |
| Gilliland Jeter Wealth Management LLC | 115 | $17.6K | 0.01% | +115 | New |
| Rise Advisors, LLC | 113 | $17.3K | 0.01% | +113 | New |