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 |
|---|---|---|---|---|---|
| Franklin Resources Inc | 1,859 | $284.1K | 0.00% | +36+2.0% | Added |
| Prudential PLC | 1,866 | $285.1K | 0.00% | +1,866 | New |
| Tudor Investment Corp Et Al | 1,903 | $290.8K | 0.00% | −97,850−98.1% | Reduced |
| L2 Asset Management, LLC | 1,913 | $292.3K | 0.10% | +163+9.3% | Added |
| PDT Partners, LLC | 1,923 | $293.8K | 0.03% | +1,923 | New |
| Colony Group, LLC | 1,950 | $298.0K | 0.00% | +9+0.5% | Added |
| XTX Topco Ltd | 1,959 | $299.3K | 0.04% | −2,001−50.5% | Reduced |
| Forum Financial Management, LP | 1,961 | $299.6K | 0.01% | 00.0% | Unchanged |
| Eagle Global Advisors LLC | 2,000 | $305.6K | 0.02% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 2,004 | $306.2K | 0.01% | +2,004 | New |
| Walleye Trading LLC | 2,008 | $306.8K | 0.01% | +2,008 | New |
| US Bancorp | 2,076 | $317.2K | 0.00% | +28+1.4% | Added |
| Rockland Trust Co | 2,135 | $326.2K | 0.02% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 2,145 | $328.0K | 0.00% | +497+30.2% | Added |
| Mariner, LLC | 2,165 | $330.9K | 0.00% | +99+4.8% | Added |
| Midwest Professional Planners, LTD. | 2,203 | $336.6K | 0.12% | +255+13.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,285 | $349.1K | 0.00% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 2,355 | $359.8K | 0.01% | −749−24.1% | Reduced |
| Maryland State Retirement & Pension System | 2,469 | $366.6K | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 2,436 | $372.2K | 0.00% | −61−2.4% | Reduced |
| Oppenheimer & Co Inc | 2,527 | $386.1K | 0.01% | 00.0% | Unchanged |
| Brown Advisory Inc | 2,529 | $386.4K | 0.00% | +100+4.1% | Added |
| Neuberger Berman Group LLC | 2,562 | $391.5K | 0.00% | −9,060−78.0% | Reduced |
| Securian Asset Management, Inc | 2,603 | $397.7K | 0.01% | −100−3.7% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 2,614 | $399.0K | 0.01% | −12,695−82.9% | Reduced |
| Daiwa Securities Group Inc. | 2,624 | $401.0K | 0.00% | +200+8.3% | Added |
| PGGM Investments | 2,668 | $408.0K | 0.01% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 2,678 | $409.0K | 0.01% | +74+2.8% | Added |
| Tyche Wealth Partners LLC | 2,683 | $410.0K | 0.10% | 00.0% | Unchanged |
| Custom Index Systems, LLC | 2,729 | $417.0K | 0.24% | +2,729 | New |
| BTC Capital Management, Inc. | 2,746 | $419.6K | 0.04% | +2,746 | New |
| Lindenwold Advisors | 2,826 | $431.8K | 0.23% | +2+0.1% | Added |
| HighTower Advisors, LLC | 2,938 | $449.0K | 0.00% | −1,294−30.6% | Reduced |
| Baird Financial Group, Inc. | 2,965 | $453.1K | 0.00% | −5,711−65.8% | Reduced |
| Westover Capital Advisors, LLC | 3,031 | $463.1K | 0.14% | −295−8.9% | Reduced |
| Yorktown Management & Research Co Inc | 3,050 | $466.0K | 0.44% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 3,067 | $468.6K | 0.00% | −811−20.9% | Reduced |
| Nisa Investment Advisors, LLC | 3,142 | $480.1K | 0.00% | +2,956+1,589.2% | Added |
| Captrust Financial Advisors | 3,200 | $489.0K | 0.00% | −1,211−27.5% | Reduced |
| Cetera Investment Advisers | 3,248 | $496.3K | 0.00% | +3,248 | New |
| Nordea Investment Management AB | 3,277 | $500.6K | 0.00% | +17+0.5% | Added |
| Gulf International Bank (UK) Ltd | 3,302 | $504.0K | 0.01% | +84+2.6% | Added |
| Allianz Asset Management GmbH | 3,367 | $514.5K | 0.00% | +54+1.6% | Added |
| TD Asset Management Inc | 3,428 | $523.8K | 0.00% | −100−2.8% | Reduced |
| DekaBank Deutsche Girozentrale | 3,518 | $532.0K | 0.00% | +116+3.4% | Added |
| James Investment Research Inc | 3,625 | $553.9K | 0.07% | −58−1.6% | Reduced |
| McMahon Financial Advisors, LLC | 3,637 | $555.7K | 0.15% | +169+4.9% | Added |
| Toronto Dominion Bank | 3,651 | $557.9K | 0.00% | −1,319−26.5% | Reduced |
| Atria Wealth Solutions, Inc. | 3,729 | $569.8K | 0.01% | +167+4.7% | Added |
| Commonwealth Equity Services, LLC | 3,870 | $591.0K | 0.00% | +5+0.1% | Added |
| Vestcor Inc | 3,944 | $603.0K | 0.02% | −2,036−34.0% | Reduced |
| Legacy Capital Group California, Inc. | 4,142 | $632.9K | 0.23% | −114−2.7% | Reduced |
| Advisor Group Holdings, Inc. | 4,213 | $643.6K | 0.00% | −1,434−25.4% | Reduced |
| Russell Investments Group, Ltd. | 4,256 | $650.4K | 0.00% | +364+9.4% | Added |
| Bank of Montreal | 4,374 | $669.1K | 0.00% | −106,959−96.1% | Reduced |
| Diametric Capital, LP | 4,506 | $688.5K | 0.38% | −2,599−36.6% | Reduced |
| British Columbia Investment Management Corp | 4,537 | $693.3K | 0.00% | +123+2.8% | Added |
| Nissay Asset Management Corp | 4,556 | $696.2K | 0.00% | +100+2.2% | Added |
| Peterson Wealth Services | 4,599 | $702.8K | 0.26% | +3,083+203.4% | Added |
| First Eagle Investment Management, LLC | 4,688 | $716.3K | 0.00% | +50+1.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,727 | $722.3K | 0.00% | −467−9.0% | Reduced |
| JustInvest LLC | 4,777 | $730.0K | 0.02% | −1,689−26.1% | Reduced |
| Public Employees Retirement Association of Colorado | 4,815 | $736.0K | 0.00% | −176−3.5% | Reduced |
| Sequent Planning LLC | 4,848 | $740.8K | 0.27% | +4,848 | New |
| Versor Investments LP | 4,870 | $744.1K | 0.15% | +1,200+32.7% | Added |
| Voya Investment Management LLC | 5,011 | $765.7K | 0.00% | −670−11.8% | Reduced |
| Toroso Investments, LLC | 5,017 | $766.6K | 0.01% | +1,162+30.1% | Added |
| FORA Capital, LLC | 5,019 | $766.9K | 0.06% | +437+9.5% | Added |
| Unison Advisors LLC | 5,044 | $770.7K | 0.08% | +17+0.3% | Added |
| Creative Planning | 5,487 | $838.4K | 0.00% | +1,022+22.9% | Added |
| Xponance, Inc. | 5,553 | $848.5K | 0.01% | +1,623+41.3% | Added |
| Advisors Asset Management, Inc. | 5,554 | $848.7K | 0.02% | +91+1.7% | Added |
| CBOE Vest Financial, LLC | 5,644 | $862.4K | 0.02% | +3,962+235.6% | Added |
| Inceptionr LLC | 5,654 | $863.9K | 0.22% | +3,771+200.3% | Added |
| Achmea Investment Management B.V. | 5,685 | $868.0K | 0.02% | 00.0% | Unchanged |
| Denali Advisors LLC | 5,925 | $905.3K | 0.27% | 00.0% | Unchanged |
| Royal London Asset Management Ltd | 6,031 | $921.5K | 0.00% | +3,830+174.0% | Added |
| Korea Investment CORP | 6,110 | $933.6K | 0.00% | −1,025−14.4% | Reduced |
| Capstone Investment Advisors, LLC | 6,195 | $946.6K | 0.02% | +2,779+81.4% | Added |
| DnB Asset Management AS | 6,255 | $955.8K | 0.00% | −4,086−39.5% | Reduced |
| Pathstone Holdings, LLC | 6,524 | $996.9K | 0.00% | +4,029+161.5% | Added |
| Pettee Investors, Inc. | 6,711 | $1.03M | 0.43% | 00.0% | Unchanged |
| Alaska Permanent Fund Corp | 6,968 | $1.06M | 0.02% | −10,448−60.0% | Reduced |
| New Mexico Educational Retirement Board | 7,000 | $1.07M | 0.04% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 7,086 | $1.08M | 0.01% | +17+0.2% | Added |
| IFM Investors Pty Ltd | 7,093 | $1.08M | 0.01% | +7,093 | New |
| Northwestern Mutual Investment Management Company, LLC | 7,145 | $1.09M | 0.03% | +18+0.3% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 7,201 | $1.10M | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 7,367 | $1.13M | 0.10% | +3,441+87.6% | Added |
| AustralianSuper Pty Ltd | 7,723 | $1.19M | 0.01% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 7,899 | $1.21M | 0.02% | −3,682−31.8% | Reduced |
| Thrivent Financial for Lutherans | 8,028 | $1.23M | 0.00% | +25+0.3% | Added |
| Man Group plc | 8,137 | $1.24M | 0.00% | +8,137 | New |
| Wealthcare Advisory Partners LLC | 8,334 | $1.27M | 0.04% | +8,334 | New |
| Citigroup Inc | 8,505 | $1.30M | 0.00% | −18,806−68.9% | Reduced |
| Jane Street Group, LLC | 8,523 | $1.30M | 0.00% | −638−7.0% | Reduced |
| State of Michigan Retirement System | 8,800 | $1.34M | 0.01% | +200+2.3% | Added |
| Louisiana State Employees Retirement System | 9,200 | $1.41M | 0.03% | +200+2.2% | Added |
| Walleye Capital LLC | 9,807 | $1.50M | 0.02% | +9,807 | New |
| Federation des caisses Desjardins du Quebec | 10,880 | $1.53M | 0.01% | +206+1.9% | Added |