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, Q3 2024
Institutional positions in Westlake Corp as of Sep 30, 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
- 403
- +23 vs. Q2 2024
- Shares held
- 33.8M
- +3.18M (+10.4%) vs. Q2 2024
- Total value
- $5.08B
- +$644.6M (+14.5%) vs. Q2 2024
- New holders
- 69
- 147 more added
- Sold out
- 46
- 123 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LPL Financial LLC | 25,626 | $3.85M | 0.00% | +1,363+5.6% | Added |
| State Board of Administration of Florida Retirement System | 26,195 | $3.94M | 0.01% | 00.0% | Unchanged |
| KBC Group NV | 26,548 | $3.99M | 0.01% | +358+1.4% | Added |
| Cresset Asset Management, LLC | 27,311 | $4.10M | 0.02% | +2,157+8.6% | Added |
| STRS Ohio | 27,363 | $4.11M | 0.02% | +328+1.2% | Added |
| State of Alaska, Department of Revenue | 27,813 | $4.18M | 0.04% | +415+1.5% | Added |
| Ensign Peak Advisors, Inc | 27,827 | $4.18M | 0.01% | −8,400−23.2% | Reduced |
| Magnetar Financial LLC | 28,872 | $4.34M | 0.09% | +28,872 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 29,245 | $4.40M | 0.00% | +321+1.1% | Added |
| LMCG Investments, LLC | 29,559 | $4.44M | 0.27% | +238+0.8% | Added |
| Quantbot Technologies LP | 30,742 | $4.62M | 0.18% | +14,294+86.9% | Added |
| DnB Asset Management AS | 30,914 | $4.65M | 0.02% | +1,885+6.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 32,606 | $4.90M | 0.33% | −430−1.3% | Reduced |
| Deutsche Bank AG | 33,696 | $5.06M | 0.00% | +3,007+9.8% | Added |
| Two Sigma Advisers, LP | 35,300 | $5.31M | 0.01% | +13,400+61.2% | Added |
| Great West Life Assurance Co | 38,308 | $5.76M | 0.01% | +1,837+5.0% | Added |
| Corebridge Financial, Inc. | 39,536 | $5.94M | 0.03% | −1,131−2.8% | Reduced |
| Jane Street Group, LLC | 39,637 | $5.96M | 0.01% | −179,174−81.9% | Reduced |
| UBS Group AG | 40,612 | $6.10M | 0.00% | +19,942+96.5% | Added |
| Retirement Systems of Alabama | 40,613 | $6.10M | 0.02% | +940+2.4% | Added |
| Wellington Management Group LLP | 40,653 | $6.11M | 0.00% | −7,871−16.2% | Reduced |
| Knights of Columbus Asset Advisors LLC | 41,766 | $6.28M | 0.42% | +418+1.0% | Added |
| Amundi | 44,491 | $6.32M | 0.00% | +2,841+6.8% | Added |
| Marshall Wace, LLP | 42,426 | $6.38M | 0.01% | +42,426 | New |
| Walnut Level Capital LLC | 45,000 | $6.76M | 4.07% | +45,000 | New |
| HSBC Holdings PLC | 45,440 | $6.79M | 0.00% | +34,228+305.3% | Added |
| Janney Montgomery Scott LLC | 46,666 | $7.01M | 0.02% | +474+1.0% | Added |
| California State Teachers Retirement System | 47,554 | $7.15M | 0.01% | −2,733−5.4% | Reduced |
| BNP Paribas Arbitrage, SA | 49,085 | $7.38M | 0.01% | +6,476+15.2% | Added |
| Alyeska Investment Group, L.P. | 49,184 | $7.39M | 0.04% | −12,961−20.9% | Reduced |
| American Century Companies Inc | 49,338 | $7.42M | 0.00% | +4,289+9.5% | Added |
| Cubist Systematic Strategies, LLC | 52,129 | $7.83M | 0.12% | +52,129 | New |
| Walleye Capital LLC | 57,495 | $8.64M | 0.09% | +35,683+163.6% | Added |
| Wells Fargo & Company | 58,801 | $8.84M | 0.00% | −13,757−19.0% | Reduced |
| Contravisory Investment Management, Inc. | 60,783 | $9.14M | 1.95% | −107−0.2% | Reduced |
| Canada Pension Plan Investment Board | 61,841 | $9.29M | 0.01% | +61,841 | New |
| D. E. Shaw & Co., Inc. | 62,358 | $9.37M | 0.01% | +62,358 | New |
| California Public Employees Retirement System | 63,578 | $9.56M | 0.01% | −4,473−6.6% | Reduced |
| Sprott Inc. | 65,000 | $9.77M | 0.62% | 00.0% | Unchanged |
| Appian Way Asset Management LP | 65,618 | $9.86M | 2.22% | +16,778+34.4% | Added |
| Quantinno Capital Management LP | 66,317 | $9.97M | 0.13% | +6,392+10.7% | Added |
| Alliancebernstein L.P. | 70,143 | $10.5M | 0.00% | −300−0.4% | Reduced |
| Moran Wealth Management, LLC | 72,621 | $10.9M | 0.34% | −1,342−1.8% | Reduced |
| Wedge Capital Management L L P | 73,666 | $11.1M | 0.19% | +6,838+10.2% | Added |
| Guggenheim Capital LLC | 74,243 | $11.2M | 0.08% | −850−1.1% | Reduced |
| Squarepoint Ops LLC | 76,584 | $11.5M | 0.04% | +13,673+21.7% | Added |
| Principal Financial Group Inc | 77,483 | $11.6M | 0.01% | −29,726−27.7% | Reduced |
| Bank of America Corp | 79,042 | $11.9M | 0.00% | −11,021−12.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 80,568 | $12.1M | 0.01% | +1,491+1.9% | Added |
| Schroder Investment Management Group | 81,174 | $12.2M | 0.01% | +81,174 | New |
| Millennium Management LLC | 86,758 | $13.0M | 0.01% | −44,858−34.1% | Reduced |
| Qube Research & Technologies Ltd | 86,979 | $13.1M | 0.02% | +38,326+78.8% | Added |
| Man Group plc | 87,005 | $13.1M | 0.04% | +7,477+9.4% | Added |
| AQR Capital Management LLC | 90,253 | $13.5M | 0.02% | −52,618−36.8% | Reduced |
| Russell Investments Group, Ltd. | 90,681 | $13.6M | 0.02% | +62,759+224.8% | Added |
| Rhumbline Advisers | 93,968 | $14.1M | 0.01% | −18,420−16.4% | Reduced |
| Lazard Asset Management LLC | 96,516 | $14.5M | 0.02% | +29,725+44.5% | Added |
| Barclays PLC | 96,651 | $14.5M | 0.01% | −68,734−41.6% | Reduced |
| Assenagon Asset Management S.A. | 101,770 | $15.3M | 0.03% | +101,770 | New |
| Ameriprise Financial Inc | 103,808 | $15.6M | 0.00% | −1,891−1.8% | Reduced |
| Scout Investments, Inc. | 109,123 | $15.7M | 0.41% | +14,037+14.8% | Added |
| JPMorgan Chase & Co | 113,553 | $17.1M | 0.00% | −1,909−1.7% | Reduced |
| Swiss National Bank | 113,800 | $17.1M | 0.01% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 119,262 | $17.9M | 0.05% | +119,262 | New |
| Erste Asset Management GmbH | 131,201 | $19.7M | 0.24% | +13,450+11.4% | Added |
| Bank of Montreal | 136,987 | $20.6M | 0.01% | −13,060−8.7% | Reduced |
| Storebrand Asset Management AS | 141,068 | $21.2M | 0.07% | −148−0.1% | Reduced |
| Two Sigma Investments, LP | 141,609 | $21.3M | 0.05% | +115,521+442.8% | Added |
| Cerity Partners LLC | 141,951 | $21.3M | 0.05% | +79,815+128.5% | Added |
| Point72 Asset Management, L.P. | 155,703 | $23.4M | 0.08% | +84,563+118.9% | Added |
| Robotti Robert | 164,083 | $24.7M | 3.75% | −215−0.1% | Reduced |
| Renaissance Technologies LLC | 168,100 | $25.3M | 0.04% | +109,000+184.4% | Added |
| Legal & General Group Plc | 173,573 | $26.1M | 0.01% | +4,788+2.8% | Added |
| Invesco Ltd. | 177,290 | $26.6M | 0.01% | −21,941−11.0% | Reduced |
| 1832 Asset Management L.P. | 187,672 | $28.2M | 0.05% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 189,172 | $28.4M | 0.29% | +16,761+9.7% | Added |
| Janus Henderson Group PLC | 201,405 | $30.3M | 0.02% | +91,973+84.0% | Added |
| Charles Schwab Investment Management Inc | 224,362 | $33.7M | 0.01% | −13,736−5.8% | Reduced |
| Merewether Investment Management, LP | 269,167 | $40.5M | 1.86% | +45,801+20.5% | Added |
| Northern Trust Corp | 271,182 | $40.8M | 0.01% | −2,790−1.0% | Reduced |
| Scopus Asset Management, L.P. | 276,755 | $41.6M | 1.23% | +90,000+48.2% | Added |
| UBS Asset Management Americas Inc | 318,284 | $47.8M | 0.01% | +82,617+35.1% | Added |
| Bank of New York Mellon Corp | 320,781 | $48.2M | 0.01% | −17,769−5.2% | Reduced |
| Morgan Stanley | 325,462 | $48.9M | 0.00% | +1,245+0.4% | Added |
| Ilex Capital Partners (UK) LLP | 369,564 | $55.5M | 3.74% | +369,564 | New |
| Allspring Global Investments Holdings, LLC | 386,480 | $58.1M | 0.09% | +183,666+90.6% | Added |
| Norges Bank | 402,268 | $60.5M | 0.01% | +6,931+1.8% | Added |
| ProShare Advisors LLC | 454,896 | $68.4M | 0.17% | +245,812+117.6% | Added |
| Citadel Advisors LLC | 524,353 | $78.8M | 0.08% | −53,630−9.3% | Reduced |
| First Trust Advisors LP | 527,919 | $79.3M | 0.08% | +83,873+18.9% | Added |
| Geode Capital Management, LLC | 552,646 | $82.8M | 0.01% | +23,558+4.5% | Added |
| Jacobs Levy Equity Management, Inc | 595,149 | $89.4M | 0.34% | +520,669+699.1% | Added |
| Goldman Sachs Group Inc | 667,485 | $100.3M | 0.02% | +9,099+1.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 834,742 | $125.5M | 0.28% | +18,594+2.3% | Added |
| Dimensional Fund Advisors LP | 890,578 | $133.8M | 0.03% | −36,374−3.9% | Reduced |
| Nuveen Asset Management, LLC | 924,997 | $139.0M | 0.04% | −17,328−1.8% | Reduced |
| State Street Corp | 1,198,710 | $180.2M | 0.01% | +9,838+0.8% | Added |
| Capital World Investors | 1,286,011 | $193.3M | 0.03% | −48,585−3.6% | Reduced |
| Orbis Allan Gray Ltd | 1,770,672 | $266.1M | 1.41% | −1,008,528−36.3% | Reduced |
| FMR LLC | 2,730,006 | $410.3M | 0.02% | −1,382,920−33.6% | Reduced |