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 |
|---|---|---|---|---|---|
| FMR LLC | 4,355,690 | $665.5M | 0.04% | +53,388+1.2% | Added |
| BlackRock Inc. | 3,479,820 | $531.7M | 0.01% | −65,338−1.8% | Reduced |
| Vanguard Group Inc | 3,361,946 | $513.7M | 0.01% | −25,446−0.8% | Reduced |
| Victory Capital Management Inc | 3,209,201 | $490.4M | 0.48% | −56,219−1.7% | Reduced |
| Orbis Allan Gray Ltd | 2,714,438 | $414.8M | 2.48% | −112,801−4.0% | Reduced |
| Pacer Advisors, Inc. | 1,362,779 | $208.2M | 0.48% | +220,189+19.3% | Added |
| Capital World Investors | 1,334,579 | $203.9M | 0.03% | +22,743+1.7% | Added |
| State Street Corp | 1,187,069 | $181.4M | 0.01% | −10,083−0.8% | Reduced |
| Dimensional Fund Advisors LP | 969,423 | $148.1M | 0.04% | −56,643−5.5% | Reduced |
| Goldman Sachs Group Inc | 662,676 | $101.3M | 0.02% | −26,727−3.9% | Reduced |
| Nuveen Asset Management, LLC | 618,114 | $94.4M | 0.03% | +87,705+16.5% | Added |
| Citadel Advisors LLC | 562,170 | $85.9M | 0.08% | −18,308−3.2% | Reduced |
| Geode Capital Management, LLC | 507,357 | $77.4M | 0.01% | +21,815+4.5% | Added |
| First Trust Advisors LP | 490,813 | $75.0M | 0.08% | +78,995+19.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 566,554 | $64.3M | 0.14% | −105,549−15.7% | Reduced |
| Norges Bank | 391,666 | $59.8M | 0.01% | +27,555+7.6% | Added |
| Bank of New York Mellon Corp | 340,504 | $52.0M | 0.01% | −8,680−2.5% | Reduced |
| Morgan Stanley | 317,991 | $48.6M | 0.00% | +62,094+24.3% | Added |
| Invesco Ltd. | 309,968 | $47.4M | 0.01% | −118,039−27.6% | Reduced |
| Northern Trust Corp | 246,474 | $37.7M | 0.01% | −55,813−18.5% | Reduced |
| Charles Schwab Investment Management Inc | 232,891 | $35.6M | 0.01% | −120,033−34.0% | Reduced |
| ProShare Advisors LLC | 220,291 | $33.7M | 0.09% | −38,931−15.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 213,649 | $32.6M | 0.05% | −21,230−9.0% | Reduced |
| UBS Asset Management Americas Inc | 205,845 | $31.5M | 0.01% | −4,245−2.0% | Reduced |
| Balyasny Asset Management LLC | 201,289 | $30.8M | 0.08% | +201,289 | New |
| Legal & General Group Plc | 194,805 | $29.8M | 0.01% | −5,020−2.5% | Reduced |
| ExodusPoint Capital Management, LP | 191,553 | $29.3M | 0.36% | +112,062+141.0% | Added |
| Merewether Investment Management, LP | 190,266 | $29.1M | 1.55% | +190,266 | New |
| Bank of America Corp | 189,422 | $28.9M | 0.00% | +118,929+168.7% | Added |
| Robotti Robert | 167,668 | $25.6M | 3.48% | −58,899−26.0% | Reduced |
| Appian Way Asset Management LP | 164,619 | $25.2M | 8.25% | +164,619 | New |
| Cerity Partners LLC | 144,108 | $22.0M | 0.06% | +83,432+137.5% | Added |
| AQR Capital Management LLC | 143,725 | $21.9M | 0.04% | −51,741−26.5% | Reduced |
| Storebrand Asset Management AS | 142,005 | $21.7M | 0.07% | −2,099−1.5% | Reduced |
| Scopus Asset Management, L.P. | 136,755 | $20.9M | 0.69% | +136,755 | New |
| JPMorgan Chase & Co | 131,463 | $20.1M | 0.00% | +38,175+40.9% | Added |
| Principal Financial Group Inc | 120,664 | $18.4M | 0.01% | +3,041+2.6% | Added |
| Erste Asset Management GmbH | 118,785 | $18.1M | 0.25% | −39,319−24.9% | Reduced |
| Swiss National Bank | 115,100 | $17.6M | 0.01% | −4,300−3.6% | Reduced |
| Ameriprise Financial Inc | 109,820 | $16.8M | 0.00% | −8,558−7.2% | Reduced |
| Janus Henderson Group PLC | 109,204 | $16.7M | 0.01% | −63,235−36.7% | Reduced |
| Alyeska Investment Group, L.P. | 106,751 | $16.3M | 0.10% | +61,387+135.3% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 103,211 | $15.8M | 0.06% | −29,234−22.1% | Reduced |
| Scout Investments, Inc. | 97,613 | $15.1M | 0.37% | −8,731−8.2% | Reduced |
| Guggenheim Capital LLC | 97,069 | $14.8M | 0.11% | +13,529+16.2% | Added |
| Millennium Management LLC | 96,285 | $14.7M | 0.01% | +71,410+287.1% | Added |
| Federated Hermes, Inc. | 96,051 | $14.7M | 0.03% | −96,056−50.0% | Reduced |
| Vident Advisory, LLC | 94,658 | $14.5M | 0.30% | +8,939+10.4% | Added |
| Rhumbline Advisers | 94,472 | $14.4M | 0.01% | −1,302−1.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 87,039 | $13.3M | 0.01% | −2,271−2.5% | Reduced |
| Natixis | 85,000 | $13.0M | 0.07% | +84,798+41,979.2% | Added |
| Schonfeld Strategic Advisors LLC | 78,840 | $12.0M | 0.09% | +75,666+2,383.9% | Added |
| Moran Wealth Management, LLC | 75,677 | $11.6M | 0.37% | −1,540−2.0% | Reduced |
| State of Wisconsin Investment Board | 74,942 | $11.5M | 0.03% | +650+0.9% | Added |
| Squarepoint Ops LLC | 73,999 | $11.3M | 0.05% | +29,083+64.7% | Added |
| Alliancebernstein L.P. | 72,649 | $11.1M | 0.00% | −202−0.3% | Reduced |
| Wedge Capital Management L L P | 71,323 | $10.9M | 0.18% | +6,512+10.0% | Added |
| Wells Fargo & Company | 71,207 | $10.9M | 0.00% | −6,811−8.7% | Reduced |
| Sprott Inc. | 70,000 | $10.7M | 0.77% | −20,000−22.2% | Reduced |
| Lazard Asset Management LLC | 67,884 | $10.4M | 0.01% | +64,956+2,218.4% | Added |
| Polar Asset Management Partners Inc. | 64,500 | $9.86M | 0.26% | −9,500−12.8% | Reduced |
| California Public Employees Retirement System | 64,413 | $9.84M | 0.01% | −2,193−3.3% | Reduced |
| Contravisory Investment Management, Inc. | 63,208 | $9.66M | 2.14% | −764−1.2% | Reduced |
| Two Sigma Advisers, LP | 63,000 | $9.63M | 0.02% | −7,100−10.1% | Reduced |
| Yaupon Capital Management LP | 61,300 | $9.37M | 0.81% | +61,300 | New |
| Quantinno Capital Management LP | 58,664 | $8.96M | 0.19% | +17,730+43.3% | Added |
| Janney Montgomery Scott LLC | 56,343 | $8.61M | 0.03% | +2,839+5.3% | Added |
| Barclays PLC | 53,785 | $8.22M | 0.00% | −179−0.3% | Reduced |
| California State Teachers Retirement System | 50,893 | $7.78M | 0.01% | −1,190−2.3% | Reduced |
| Worldquant Millennium Advisors LLC | 48,867 | $7.47M | 0.09% | −36,530−42.8% | Reduced |
| Wellington Management Group LLP | 47,979 | $7.33M | 0.00% | +1,905+4.1% | Added |
| Credit Suisse AG | 46,037 | $7.03M | 0.01% | +4,431+10.6% | Added |
| BNP Paribas Arbitrage, SA | 42,589 | $6.51M | 0.01% | +1,154+2.8% | Added |
| American International Group, Inc. | 42,408 | $6.48M | 0.02% | −867−2.0% | Reduced |
| Knights of Columbus Asset Advisors LLC | 40,884 | $6.25M | 0.45% | +492+1.2% | Added |
| Retirement Systems of Alabama | 40,228 | $6.15M | 0.02% | +105+0.3% | Added |
| American Century Companies Inc | 39,343 | $6.01M | 0.00% | −20,856−34.6% | Reduced |
| Ensign Peak Advisors, Inc | 37,687 | $5.76M | 0.01% | −4,438−10.5% | Reduced |
| Amundi | 37,444 | $5.58M | 0.00% | −39,200−51.1% | Reduced |
| Deutsche Bank AG | 35,185 | $5.38M | 0.00% | +2,122+6.4% | Added |
| Susquehanna Portfolio Strategies, LLC | 33,036 | $5.05M | 0.12% | 00.0% | Unchanged |
| KBC Group NV | 32,405 | $4.95M | 0.02% | −52,603−61.9% | Reduced |
| UBS Group AG | 32,246 | $4.93M | 0.00% | −15,923−33.1% | Reduced |
| Great West Life Assurance Co | 31,438 | $4.80M | 0.01% | +1,050+3.5% | Added |
| Two Sigma Investments, LP | 30,949 | $4.73M | 0.01% | −54,023−63.6% | Reduced |
| LMCG Investments, LLC | 28,821 | $4.40M | 0.26% | +294+1.0% | Added |
| Texas Permanent School Fund | 28,037 | $4.28M | 0.03% | +285+1.0% | Added |
| State of Alaska, Department of Revenue | 27,398 | $4.19M | 0.05% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 26,984 | $4.12M | 0.05% | +1,397+5.5% | Added |
| STRS Ohio | 26,625 | $4.07M | 0.02% | −7,263−21.4% | Reduced |
| State Board of Administration of Florida Retirement System | 34,153 | $3.96M | 0.01% | +2,718+8.6% | Added |
| Mercer Global Advisors Inc | 25,682 | $3.92M | 0.01% | +786+3.2% | Added |
| Comerica Bank | 24,490 | $3.74M | 0.02% | +3,710+17.9% | Added |
| Manufacturers Life Insurance Company, The | 24,364 | $3.72M | 0.00% | −238−1.0% | Reduced |
| Cresset Asset Management, LLC | 23,762 | $3.63M | 0.02% | +13,367+128.6% | Added |
| Dana Investment Advisors, Inc. | 23,619 | $3.61M | 0.12% | +23,619 | New |
| Raymond James & Associates | 23,584 | $3.60M | 0.00% | −14,466−38.0% | Reduced |
| Envestnet Asset Management Inc | 23,281 | $3.56M | 0.00% | +670+3.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 22,179 | $3.39M | 0.00% | +258+1.2% | Added |
| South Dakota Investment Council | 22,155 | $3.38M | 0.07% | −2,000−8.3% | Reduced |