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 |
|---|---|---|---|---|---|
| Holocene Advisors, LP | 49,304 | $5.65M | 0.02% | +38,789+368.9% | Added |
| Bank of America Corp | 50,196 | $5.75M | 0.00% | −28,846−36.5% | Reduced |
| Wells Fargo & Company | 52,715 | $6.04M | 0.00% | −6,086−10.4% | Reduced |
| Janney Montgomery Scott LLC | 59,499 | $6.82M | 0.02% | +12,833+27.5% | Added |
| California Public Employees Retirement System | 59,534 | $6.83M | 0.00% | −4,044−6.4% | Reduced |
| HITE Hedge Asset Management LLC | 60,648 | $6.95M | 0.51% | +46,058+315.7% | Added |
| Verition Fund Management LLC | 61,152 | $7.01M | 0.04% | +43,957+255.6% | Added |
| Canada Pension Plan Investment Board | 61,841 | $7.09M | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 63,723 | $7.31M | 0.00% | −6,420−9.2% | Reduced |
| Sprott Inc. | 65,000 | $7.45M | 0.50% | 00.0% | Unchanged |
| Moran Wealth Management, LLC | 68,539 | $7.86M | 0.25% | −4,082−5.6% | Reduced |
| Walnut Level Capital LLC | 72,285 | $8.29M | 4.55% | +27,285+60.6% | Added |
| BNP Paribas Arbitrage, SA | 75,115 | $8.61M | 0.01% | +26,030+53.0% | Added |
| Principal Financial Group Inc | 76,681 | $8.79M | 0.00% | −802−1.0% | Reduced |
| Wedge Capital Management L L P | 79,178 | $9.08M | 0.16% | +5,512+7.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 79,463 | $9.11M | 0.01% | −1,105−1.4% | Reduced |
| Drummond Knight Asset Management Pty Ltd | 85,000 | $9.75M | 7.08% | +85,000 | New |
| Quantinno Capital Management LP | 88,589 | $10.2M | 0.10% | +22,272+33.6% | Added |
| Rhumbline Advisers | 98,056 | $11.2M | 0.01% | +4,088+4.4% | Added |
| Lazard Asset Management LLC | 99,432 | $11.4M | 0.02% | +2,916+3.0% | Added |
| SG Americas Securities, LLC | 100,127 | $11.5M | 0.05% | +100,127 | New |
| Two Sigma Advisers, LP | 103,000 | $11.8M | 0.03% | +67,700+191.8% | Added |
| Two Sigma Investments, LP | 104,320 | $12.0M | 0.03% | −37,289−26.3% | Reduced |
| Alyeska Investment Group, L.P. | 105,201 | $12.1M | 0.05% | +56,017+113.9% | Added |
| Ameriprise Financial Inc | 107,396 | $12.3M | 0.00% | +3,588+3.5% | Added |
| Cerity Partners LLC | 82,613 | $12.4M | 0.03% | −59,338−41.8% | Reduced |
| Swiss National Bank | 109,000 | $12.5M | 0.01% | −4,800−4.2% | Reduced |
| JPMorgan Chase & Co | 111,229 | $12.8M | 0.00% | −2,324−2.0% | Reduced |
| Storebrand Asset Management AS | 112,464 | $12.9M | 0.04% | −28,604−20.3% | Reduced |
| Readystate Asset Management LP | 115,728 | $13.3M | 0.56% | +115,728 | New |
| Raymond James Financial Inc | 116,973 | $13.4M | 0.00% | +116,973 | New |
| Qube Research & Technologies Ltd | 118,720 | $13.6M | 0.02% | +31,741+36.5% | Added |
| Russell Investments Group, Ltd. | 129,671 | $14.9M | 0.02% | +38,990+43.0% | Added |
| Barclays PLC | 132,716 | $15.2M | 0.01% | +36,065+37.3% | Added |
| Erste Asset Management GmbH | 141,201 | $16.0M | 0.20% | +10,000+7.6% | Added |
| Invesco Ltd. | 148,016 | $17.0M | 0.00% | −29,274−16.5% | Reduced |
| Bank of Montreal | 149,574 | $17.1M | 0.01% | +12,587+9.2% | Added |
| Ilex Capital Partners (UK) LLP | 152,016 | $17.4M | 1.12% | −217,548−58.9% | Reduced |
| Legal & General Group Plc | 157,648 | $18.1M | 0.00% | −15,925−9.2% | Reduced |
| Robotti Robert | 164,299 | $18.8M | 3.31% | +216+0.1% | Added |
| Squarepoint Ops LLC | 178,305 | $20.4M | 0.05% | +101,721+132.8% | Added |
| Millennium Management LLC | 193,087 | $22.1M | 0.02% | +106,329+122.6% | Added |
| Deprince Race & Zollo Inc | 218,279 | $25.0M | 0.50% | +218,279 | New |
| Voloridge Investment Management, LLC | 219,030 | $25.1M | 0.09% | +212,357+3,182.3% | Added |
| Bank of New York Mellon Corp | 225,976 | $25.9M | 0.00% | −94,805−29.6% | Reduced |
| Charles Schwab Investment Management Inc | 236,354 | $27.1M | 0.00% | +11,992+5.3% | Added |
| ProShare Advisors LLC | 249,051 | $28.6M | 0.07% | −205,845−45.3% | Reduced |
| D. E. Shaw & Co., Inc. | 252,747 | $29.0M | 0.03% | +190,389+305.3% | Added |
| Amundi | 278,329 | $30.8M | 0.01% | +233,838+525.6% | Added |
| Merewether Investment Management, LP | 273,637 | $31.4M | 1.25% | +4,470+1.7% | Added |
| Orbis Allan Gray Ltd | 299,802 | $34.4M | 0.18% | −1,470,870−83.1% | Reduced |
| Morgan Stanley | 301,550 | $34.6M | 0.00% | −23,912−7.3% | Reduced |
| Northern Trust Corp | 305,663 | $35.0M | 0.00% | +34,481+12.7% | Added |
| ExodusPoint Capital Management, LP | 344,790 | $39.5M | 0.41% | +155,618+82.3% | Added |
| UBS Asset Management Americas Inc | 346,789 | $39.8M | 0.01% | +28,505+9.0% | Added |
| Renaissance Technologies LLC | 350,700 | $40.2M | 0.06% | +182,600+108.6% | Added |
| Schroder Investment Management Group | 364,274 | $41.3M | 0.04% | +283,100+348.8% | Added |
| Allspring Global Investments Holdings, LLC | 376,460 | $42.2M | 0.07% | −10,020−2.6% | Reduced |
| Janus Henderson Group PLC | 372,196 | $42.7M | 0.02% | +170,791+84.8% | Added |
| 1832 Asset Management L.P. | 376,000 | $43.1M | 0.08% | +188,328+100.3% | Added |
| Norges Bank | 406,712 | $46.6M | 0.01% | +4,444+1.1% | Added |
| Geode Capital Management, LLC | 557,943 | $63.8M | 0.00% | +5,297+1.0% | Added |
| UBS Group AG | 557,560 | $63.9M | 0.01% | +516,948+1,272.9% | Added |
| Citadel Advisors LLC | 680,331 | $78.0M | 0.07% | +155,978+29.7% | Added |
| Jacobs Levy Equity Management, Inc | 799,250 | $91.6M | 0.32% | +204,101+34.3% | Added |
| First Trust Advisors LP | 827,516 | $94.9M | 0.08% | +299,597+56.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 882,474 | $101.2M | 0.21% | +47,732+5.7% | Added |
| Dimensional Fund Advisors LP | 934,122 | $107.1M | 0.03% | +43,544+4.9% | Added |
| Goldman Sachs Group Inc | 938,922 | $107.6M | 0.02% | +271,437+40.7% | Added |
| Nuveen Asset Management, LLC | 983,090 | $112.7M | 0.03% | +58,093+6.3% | Added |
| Balyasny Asset Management LLC | 993,150 | $113.9M | 0.27% | +873,888+732.7% | Added |
| State Street Corp | 1,194,249 | $136.9M | 0.01% | −4,461−0.4% | Reduced |
| Capital World Investors | 1,287,501 | $147.6M | 0.02% | +1,490+0.1% | Added |
| FMR LLC | 1,438,603 | $164.9M | 0.01% | −1,291,403−47.3% | Reduced |
| Victory Capital Management Inc | 3,313,847 | $379.9M | 0.37% | +574,068+21.0% | Added |
| BlackRock, Inc. | 3,657,895 | $419.4M | 0.01% | +160,039+4.6% | Added |
| Vanguard Group Inc | 3,877,973 | $444.6M | 0.01% | +21,293+0.6% | Added |
| IFP Advisors, Inc | 8 | – | – | +1+14.3% | Added |
| Scopus Asset Management, L.P. | 0 | $0 | 0.00% | −276,755−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −155,703−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −74,243−100.0% | Sold out |
| Contravisory Investment Management, Inc. | 0 | $0 | 0.00% | −60,783−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −52,129−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −32,606−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −28,872−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −27,363−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −25,187−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −23,650−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −23,300−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −22,527−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −20,700−100.0% | Sold out |
| Albar Capital Ltd | 0 | $0 | 0.00% | −14,669−100.0% | Sold out |
| Thomist Capital Management, LP | 0 | $0 | 0.00% | −13,800−100.0% | Sold out |
| Nations Financial Group Inc, | 0 | $0 | 0.00% | −10,646−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −10,059−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −10,021−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −7,952−100.0% | Sold out |
| Financial Enhancement Group LLC | 0 | $0 | 0.00% | −9,824−100.0% | Sold out |
| Achmea Investment Management B.V. | 0 | $0 | 0.00% | −5,685−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −5,211−100.0% | Sold out |