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, Q4 2024
Institutional positions in Westlake Corp as of Dec 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
- 378
- −20 vs. Q3 2024
- Shares held
- 35.3M
- +1.62M (+4.8%) vs. Q3 2024
- Total value
- $4.04B
- −$1.01B (−20.0%) vs. Q3 2024
- New holders
- 48
- 144 more added
- Sold out
- 68
- 128 more reduced
5 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,877,973 | $444.6M | 0.01% | +21,293+0.6% | Added |
| BlackRock, Inc. | 3,657,895 | $419.4M | 0.01% | +160,039+4.6% | Added |
| Victory Capital Management Inc | 3,313,847 | $379.9M | 0.37% | +574,068+21.0% | Added |
| FMR LLC | 1,438,603 | $164.9M | 0.01% | −1,291,403−47.3% | Reduced |
| Capital World Investors | 1,287,501 | $147.6M | 0.02% | +1,490+0.1% | Added |
| State Street Corp | 1,194,249 | $136.9M | 0.01% | −4,461−0.4% | Reduced |
| Balyasny Asset Management LLC | 993,150 | $113.9M | 0.27% | +873,888+732.7% | Added |
| Nuveen Asset Management, LLC | 983,090 | $112.7M | 0.03% | +58,093+6.3% | Added |
| Goldman Sachs Group Inc | 938,922 | $107.6M | 0.02% | +271,437+40.7% | Added |
| Dimensional Fund Advisors LP | 934,122 | $107.1M | 0.03% | +43,544+4.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 882,474 | $101.2M | 0.21% | +47,732+5.7% | Added |
| First Trust Advisors LP | 827,516 | $94.9M | 0.08% | +299,597+56.8% | Added |
| Jacobs Levy Equity Management, Inc | 799,250 | $91.6M | 0.32% | +204,101+34.3% | Added |
| Citadel Advisors LLC | 680,331 | $78.0M | 0.07% | +155,978+29.7% | Added |
| UBS Group AG | 557,560 | $63.9M | 0.01% | +516,948+1,272.9% | Added |
| Geode Capital Management, LLC | 557,943 | $63.8M | 0.00% | +5,297+1.0% | Added |
| Norges Bank | 406,712 | $46.6M | 0.01% | +4,444+1.1% | Added |
| 1832 Asset Management L.P. | 376,000 | $43.1M | 0.08% | +188,328+100.3% | Added |
| Janus Henderson Group PLC | 372,196 | $42.7M | 0.02% | +170,791+84.8% | Added |
| Allspring Global Investments Holdings, LLC | 376,460 | $42.2M | 0.07% | −10,020−2.6% | Reduced |
| Schroder Investment Management Group | 364,274 | $41.3M | 0.04% | +283,100+348.8% | Added |
| Renaissance Technologies LLC | 350,700 | $40.2M | 0.06% | +182,600+108.6% | Added |
| UBS Asset Management Americas Inc | 346,789 | $39.8M | 0.01% | +28,505+9.0% | Added |
| ExodusPoint Capital Management, LP | 344,790 | $39.5M | 0.41% | +155,618+82.3% | Added |
| Northern Trust Corp | 305,663 | $35.0M | 0.00% | +34,481+12.7% | Added |
| Morgan Stanley | 301,550 | $34.6M | 0.00% | −23,912−7.3% | Reduced |
| Orbis Allan Gray Ltd | 299,802 | $34.4M | 0.18% | −1,470,870−83.1% | Reduced |
| Merewether Investment Management, LP | 273,637 | $31.4M | 1.25% | +4,470+1.7% | Added |
| Amundi | 278,329 | $30.8M | 0.01% | +233,838+525.6% | Added |
| D. E. Shaw & Co., Inc. | 252,747 | $29.0M | 0.03% | +190,389+305.3% | Added |
| ProShare Advisors LLC | 249,051 | $28.6M | 0.07% | −205,845−45.3% | Reduced |
| Charles Schwab Investment Management Inc | 236,354 | $27.1M | 0.00% | +11,992+5.3% | Added |
| Bank of New York Mellon Corp | 225,976 | $25.9M | 0.00% | −94,805−29.6% | Reduced |
| Voloridge Investment Management, LLC | 219,030 | $25.1M | 0.09% | +212,357+3,182.3% | Added |
| Deprince Race & Zollo Inc | 218,279 | $25.0M | 0.50% | +218,279 | New |
| Millennium Management LLC | 193,087 | $22.1M | 0.02% | +106,329+122.6% | Added |
| Squarepoint Ops LLC | 178,305 | $20.4M | 0.05% | +101,721+132.8% | Added |
| Robotti Robert | 164,299 | $18.8M | 3.31% | +216+0.1% | Added |
| Legal & General Group Plc | 157,648 | $18.1M | 0.00% | −15,925−9.2% | Reduced |
| Ilex Capital Partners (UK) LLP | 152,016 | $17.4M | 1.12% | −217,548−58.9% | Reduced |
| Bank of Montreal | 149,574 | $17.1M | 0.01% | +12,587+9.2% | Added |
| Invesco Ltd. | 148,016 | $17.0M | 0.00% | −29,274−16.5% | Reduced |
| Erste Asset Management GmbH | 141,201 | $16.0M | 0.20% | +10,000+7.6% | Added |
| Barclays PLC | 132,716 | $15.2M | 0.01% | +36,065+37.3% | Added |
| Russell Investments Group, Ltd. | 129,671 | $14.9M | 0.02% | +38,990+43.0% | Added |
| Qube Research & Technologies Ltd | 118,720 | $13.6M | 0.02% | +31,741+36.5% | Added |
| Raymond James Financial Inc | 116,973 | $13.4M | 0.00% | +116,973 | New |
| Readystate Asset Management LP | 115,728 | $13.3M | 0.56% | +115,728 | New |
| Storebrand Asset Management AS | 112,464 | $12.9M | 0.04% | −28,604−20.3% | Reduced |
| JPMorgan Chase & Co | 111,229 | $12.8M | 0.00% | −2,324−2.0% | Reduced |
| Swiss National Bank | 109,000 | $12.5M | 0.01% | −4,800−4.2% | Reduced |
| Cerity Partners LLC | 82,613 | $12.4M | 0.03% | −59,338−41.8% | Reduced |
| Ameriprise Financial Inc | 107,396 | $12.3M | 0.00% | +3,588+3.5% | Added |
| Alyeska Investment Group, L.P. | 105,201 | $12.1M | 0.05% | +56,017+113.9% | Added |
| Two Sigma Investments, LP | 104,320 | $12.0M | 0.03% | −37,289−26.3% | Reduced |
| Two Sigma Advisers, LP | 103,000 | $11.8M | 0.03% | +67,700+191.8% | Added |
| SG Americas Securities, LLC | 100,127 | $11.5M | 0.05% | +100,127 | New |
| Lazard Asset Management LLC | 99,432 | $11.4M | 0.02% | +2,916+3.0% | Added |
| Rhumbline Advisers | 98,056 | $11.2M | 0.01% | +4,088+4.4% | Added |
| Quantinno Capital Management LP | 88,589 | $10.2M | 0.10% | +22,272+33.6% | Added |
| Drummond Knight Asset Management Pty Ltd | 85,000 | $9.75M | 7.08% | +85,000 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 79,463 | $9.11M | 0.01% | −1,105−1.4% | Reduced |
| Wedge Capital Management L L P | 79,178 | $9.08M | 0.16% | +5,512+7.5% | Added |
| Principal Financial Group Inc | 76,681 | $8.79M | 0.00% | −802−1.0% | Reduced |
| BNP Paribas Arbitrage, SA | 75,115 | $8.61M | 0.01% | +26,030+53.0% | Added |
| Walnut Level Capital LLC | 72,285 | $8.29M | 4.55% | +27,285+60.6% | Added |
| Moran Wealth Management, LLC | 68,539 | $7.86M | 0.25% | −4,082−5.6% | Reduced |
| Sprott Inc. | 65,000 | $7.45M | 0.50% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 63,723 | $7.31M | 0.00% | −6,420−9.2% | Reduced |
| Canada Pension Plan Investment Board | 61,841 | $7.09M | 0.01% | 00.0% | Unchanged |
| Verition Fund Management LLC | 61,152 | $7.01M | 0.04% | +43,957+255.6% | Added |
| HITE Hedge Asset Management LLC | 60,648 | $6.95M | 0.51% | +46,058+315.7% | Added |
| California Public Employees Retirement System | 59,534 | $6.83M | 0.00% | −4,044−6.4% | Reduced |
| Janney Montgomery Scott LLC | 59,499 | $6.82M | 0.02% | +12,833+27.5% | Added |
| Wells Fargo & Company | 52,715 | $6.04M | 0.00% | −6,086−10.4% | Reduced |
| Bank of America Corp | 50,196 | $5.75M | 0.00% | −28,846−36.5% | Reduced |
| Holocene Advisors, LP | 49,304 | $5.65M | 0.02% | +38,789+368.9% | Added |
| Jain Global LLC | 48,285 | $5.54M | 0.17% | +48,285 | New |
| California State Teachers Retirement System | 45,111 | $5.17M | 0.01% | −2,443−5.1% | Reduced |
| Wellington Management Group LLP | 42,934 | $4.92M | 0.00% | +2,281+5.6% | Added |
| Knights of Columbus Asset Advisors LLC | 42,847 | $4.91M | 0.32% | +1,081+2.6% | Added |
| American Century Companies Inc | 42,660 | $4.89M | 0.00% | −6,678−13.5% | Reduced |
| Retirement Systems of Alabama | 40,689 | $4.66M | 0.02% | +76+0.2% | Added |
| Man Group plc | 38,799 | $4.45M | 0.01% | −48,206−55.4% | Reduced |
| Deutsche Bank AG | 38,583 | $4.42M | 0.00% | +4,887+14.5% | Added |
| Corebridge Financial, Inc. | 37,865 | $4.34M | 0.02% | −1,671−4.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 36,368 | $4.17M | 0.03% | +34,248+1,615.5% | Added |
| Assenagon Asset Management S.A. | 35,046 | $4.02M | 0.01% | −66,724−65.6% | Reduced |
| Citigroup Inc | 33,137 | $3.80M | 0.00% | +23,247+235.1% | Added |
| Franklin Resources Inc | 31,781 | $3.64M | 0.00% | +30,051+1,737.1% | Added |
| DnB Asset Management AS | 31,196 | $3.58M | 0.02% | +282+0.9% | Added |
| Danske Bank A/S | 31,112 | $3.57M | 0.01% | +9,700+45.3% | Added |
| Adage Capital Partners GP, L.L.C. | 30,000 | $3.44M | 0.01% | +30,000 | New |
| Comerica Bank | 29,600 | $3.39M | 0.01% | +4,501+17.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 29,396 | $3.29M | 0.00% | +151+0.5% | Added |
| State Board of Administration of Florida Retirement System | 27,975 | $3.21M | 0.01% | +1,780+6.8% | Added |
| State of Alaska, Department of Revenue | 27,753 | $3.18M | 0.04% | −60−0.2% | Reduced |
| Great West Life Assurance Co | 27,519 | $3.15M | 0.01% | −10,789−28.2% | Reduced |
| KBC Group NV | 27,255 | $3.13M | 0.01% | +707+2.7% | Added |
| National Bank of Canada | 26,976 | $3.09M | 0.00% | +26,811+16,249.1% | Added |