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 |
|---|---|---|---|---|---|
| Federated Hermes, Inc. | 96,051 | $14.7M | 0.03% | −96,056−50.0% | Reduced |
| Millennium Management LLC | 96,285 | $14.7M | 0.01% | +71,410+287.1% | Added |
| Guggenheim Capital LLC | 97,069 | $14.8M | 0.11% | +13,529+16.2% | Added |
| Scout Investments, Inc. | 97,613 | $15.1M | 0.37% | −8,731−8.2% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 103,211 | $15.8M | 0.06% | −29,234−22.1% | Reduced |
| Alyeska Investment Group, L.P. | 106,751 | $16.3M | 0.10% | +61,387+135.3% | Added |
| Janus Henderson Group PLC | 109,204 | $16.7M | 0.01% | −63,235−36.7% | Reduced |
| Ameriprise Financial Inc | 109,820 | $16.8M | 0.00% | −8,558−7.2% | Reduced |
| Swiss National Bank | 115,100 | $17.6M | 0.01% | −4,300−3.6% | Reduced |
| Erste Asset Management GmbH | 118,785 | $18.1M | 0.25% | −39,319−24.9% | Reduced |
| Principal Financial Group Inc | 120,664 | $18.4M | 0.01% | +3,041+2.6% | Added |
| JPMorgan Chase & Co | 131,463 | $20.1M | 0.00% | +38,175+40.9% | Added |
| Scopus Asset Management, L.P. | 136,755 | $20.9M | 0.69% | +136,755 | New |
| Storebrand Asset Management AS | 142,005 | $21.7M | 0.07% | −2,099−1.5% | Reduced |
| AQR Capital Management LLC | 143,725 | $21.9M | 0.04% | −51,741−26.5% | Reduced |
| Cerity Partners LLC | 144,108 | $22.0M | 0.06% | +83,432+137.5% | Added |
| Appian Way Asset Management LP | 164,619 | $25.2M | 8.25% | +164,619 | New |
| Robotti Robert | 167,668 | $25.6M | 3.48% | −58,899−26.0% | Reduced |
| Bank of America Corp | 189,422 | $28.9M | 0.00% | +118,929+168.7% | Added |
| Merewether Investment Management, LP | 190,266 | $29.1M | 1.55% | +190,266 | New |
| ExodusPoint Capital Management, LP | 191,553 | $29.3M | 0.36% | +112,062+141.0% | Added |
| Legal & General Group Plc | 194,805 | $29.8M | 0.01% | −5,020−2.5% | Reduced |
| Balyasny Asset Management LLC | 201,289 | $30.8M | 0.08% | +201,289 | New |
| UBS Asset Management Americas Inc | 205,845 | $31.5M | 0.01% | −4,245−2.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 213,649 | $32.6M | 0.05% | −21,230−9.0% | Reduced |
| ProShare Advisors LLC | 220,291 | $33.7M | 0.09% | −38,931−15.0% | Reduced |
| Charles Schwab Investment Management Inc | 232,891 | $35.6M | 0.01% | −120,033−34.0% | Reduced |
| Northern Trust Corp | 246,474 | $37.7M | 0.01% | −55,813−18.5% | Reduced |
| Invesco Ltd. | 309,968 | $47.4M | 0.01% | −118,039−27.6% | Reduced |
| Morgan Stanley | 317,991 | $48.6M | 0.00% | +62,094+24.3% | Added |
| Bank of New York Mellon Corp | 340,504 | $52.0M | 0.01% | −8,680−2.5% | Reduced |
| Norges Bank | 391,666 | $59.8M | 0.01% | +27,555+7.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 566,554 | $64.3M | 0.14% | −105,549−15.7% | Reduced |
| First Trust Advisors LP | 490,813 | $75.0M | 0.08% | +78,995+19.2% | Added |
| Geode Capital Management, LLC | 507,357 | $77.4M | 0.01% | +21,815+4.5% | Added |
| Citadel Advisors LLC | 562,170 | $85.9M | 0.08% | −18,308−3.2% | Reduced |
| Nuveen Asset Management, LLC | 618,114 | $94.4M | 0.03% | +87,705+16.5% | Added |
| Goldman Sachs Group Inc | 662,676 | $101.3M | 0.02% | −26,727−3.9% | Reduced |
| Dimensional Fund Advisors LP | 969,423 | $148.1M | 0.04% | −56,643−5.5% | Reduced |
| State Street Corp | 1,187,069 | $181.4M | 0.01% | −10,083−0.8% | Reduced |
| Capital World Investors | 1,334,579 | $203.9M | 0.03% | +22,743+1.7% | Added |
| Pacer Advisors, Inc. | 1,362,779 | $208.2M | 0.48% | +220,189+19.3% | Added |
| Orbis Allan Gray Ltd | 2,714,438 | $414.8M | 2.48% | −112,801−4.0% | Reduced |
| Victory Capital Management Inc | 3,209,201 | $490.4M | 0.48% | −56,219−1.7% | Reduced |
| Vanguard Group Inc | 3,361,946 | $513.7M | 0.01% | −25,446−0.8% | Reduced |
| BlackRock Inc. | 3,479,820 | $531.7M | 0.01% | −65,338−1.8% | Reduced |
| FMR LLC | 4,355,690 | $665.5M | 0.04% | +53,388+1.2% | Added |
| Soroban Capital Partners LP | 0 | $0 | 0.00% | −871,479−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −393,294−100.0% | Sold out |
| Winmill & Co. Inc | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −69,000−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −43,032−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −35,700−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −19,510−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −16,973−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −14,986−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −13,651−100.0% | Sold out |
| Twin Capital Management Inc | 0 | $0 | 0.00% | −13,504−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −9,983−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −8,818−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −6,533−100.0% | Sold out |
| Tredje AP-fonden | 0 | $0 | 0.00% | −6,317−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −6,103−100.0% | Sold out |
| PAX Financial Group, LLC | 0 | $0 | 0.00% | −5,032−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −5,114−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −4,725−100.0% | Sold out |
| Cambria Investment Management, L.P. | 0 | $0 | 0.00% | −4,388−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Ethic Inc. | 0 | $0 | 0.00% | −3,900−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −3,392−100.0% | Sold out |
| Synovus Financial Corp | 0 | $0 | 0.00% | −2,645−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −2,348−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −2,300−100.0% | Sold out |
| Investors Research Corp | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −1,760−100.0% | Sold out |
| Silver Oak Securities, Inc | 0 | $0 | 0.00% | −1,490−100.0% | Sold out |
| Kapitalo Investimentos Ltda | 0 | $0 | 0.00% | −1,086−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −1,035−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −676−100.0% | Sold out |
| Thompson Siegel & Walmsley LLC | 0 | $0 | 0.00% | −627−100.0% | Sold out |
| Planned Solutions, Inc. | 0 | $0 | 0.00% | −625−100.0% | Sold out |
| Itau Unibanco Holding S.A. | 0 | $0 | 0.00% | −603−100.0% | Sold out |
| Hantz Financial Services, Inc. | 0 | $0 | 0.00% | −184−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −126−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| AlphaMark Advisors, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| RFP Financial Group LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Impact Partnership Wealth, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| American National Bank | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Gradient Investments LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Winthrop Capital Management, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| MCF Advisors LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Your Advocates Ltd., LLP | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Horizon Investments, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |