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, Q2 2021
Institutional positions in Westlake Corp as of Jun 30, 2021. 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
- 276
- +40 vs. Q1 2021
- Shares held
- 33.5M
- −1.18M (−3.4%) vs. Q1 2021
- Total value
- $3.02B
- −$61.6M (−2.0%) vs. Q1 2021
- New holders
- 61
- 90 more added
- Sold out
- 21
- 73 more reduced
4 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ClariVest Asset Management LLC | 41,600 | $3.75M | 0.12% | +41,600 | New |
| State Board of Administration of Florida Retirement System | 42,285 | $3.81M | 0.01% | −1,420−3.2% | Reduced |
| Duality Advisers, LP | 42,519 | $3.83M | 0.34% | +10,351+32.2% | Added |
| STRS Ohio | 43,231 | $3.89M | 0.01% | +1,586+3.8% | Added |
| AlphaCrest Capital Management LLC | 45,560 | $4.11M | 0.18% | +36,375+396.0% | Added |
| Smith, Graham & Co., Investment Advisors, LP | 48,733 | $4.39M | 0.39% | −7,497−13.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 53,558 | $4.83M | 0.01% | −211,957−79.8% | Reduced |
| Panagora Asset Management Inc | 54,540 | $4.91M | 0.03% | +51,815+1,901.5% | Added |
| State of Tennessee, Treasury Department | 56,294 | $5.07M | 0.02% | 00.0% | Unchanged |
| California State Teachers Retirement System | 56,658 | $5.10M | 0.01% | −2,289−3.9% | Reduced |
| Invesco Ltd. | 63,011 | $5.68M | 0.00% | −12,376−16.4% | Reduced |
| Contravisory Investment Management, Inc. | 67,218 | $6.06M | 1.79% | −183−0.3% | Reduced |
| JPMorgan Chase & Co | 70,448 | $6.35M | 0.00% | −46,914−40.0% | Reduced |
| Paloma Partners Management Co | 71,948 | $6.48M | 0.17% | +39,601+122.4% | Added |
| UBS Oconnor LLC | 75,000 | $6.76M | 0.06% | +75,000 | New |
| Price Michael F | 77,000 | $6.94M | 0.76% | −3,000−3.8% | Reduced |
| Jade Capital Advisors, LLC | 80,000 | $7.21M | 2.99% | +80,000 | New |
| Swiss National Bank | 84,500 | $7.61M | 0.00% | −3,100−3.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 87,038 | $7.84M | 0.05% | +87,038 | New |
| Wedge Capital Management L L P | 91,161 | $8.21M | 0.10% | +394+0.4% | Added |
| Bank of Nova Scotia | 92,407 | $8.32M | 0.02% | +92,407 | New |
| Brandes Investment Partners, LP | 96,737 | $8.71M | 0.19% | +43,206+80.7% | Added |
| Schroder Investment Management Group | 100,156 | $9.02M | 0.01% | −630−0.6% | Reduced |
| Ameriprise Financial Inc | 102,872 | $9.27M | 0.00% | −8,538−7.7% | Reduced |
| D. E. Shaw & Co., Inc. | 104,013 | $9.37M | 0.01% | −4,743−4.4% | Reduced |
| Squarepoint Ops LLC | 109,894 | $9.90M | 0.07% | +90,010+452.7% | Added |
| Two Sigma Investments, LP | 111,427 | $10.0M | 0.03% | +56,098+101.4% | Added |
| Qube Research & Technologies Ltd | 112,553 | $10.1M | 0.13% | +65,218+137.8% | Added |
| ExodusPoint Capital Management, LP | 113,159 | $10.2M | 0.16% | −64,658−36.4% | Reduced |
| Sprott Inc. | 115,000 | $10.4M | 0.67% | 00.0% | Unchanged |
| Sandbar Asset Management LLP | 116,070 | $10.5M | 1.13% | +43,931+60.9% | Added |
| Legal & General Group Plc | 117,450 | $10.6M | 0.00% | −2,181−1.8% | Reduced |
| Barclays PLC | 121,418 | $10.9M | 0.01% | +84,723+230.9% | Added |
| UBS Asset Management Americas Inc | 128,326 | $11.6M | 0.00% | −1,320−1.0% | Reduced |
| Cubist Systematic Strategies, LLC | 130,930 | $11.8M | 0.13% | +75,572+136.5% | Added |
| Jennison Associates LLC | 132,760 | $12.0M | 0.01% | +108,294+442.6% | Added |
| Scopus Asset Management, L.P. | 135,000 | $12.2M | 0.21% | +135,000 | New |
| Bank of America Corp | 138,347 | $12.5M | 0.00% | +88,822+179.3% | Added |
| Renaissance Technologies LLC | 140,100 | $12.6M | 0.02% | +140,100 | New |
| Erste Asset Management GmbH | 144,000 | $13.0M | 0.26% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 147,128 | $13.3M | 0.08% | +2,171+1.5% | Added |
| Parametric Portfolio Associates LLC | 147,141 | $13.3M | 0.01% | −936−0.6% | Reduced |
| Alliancebernstein L.P. | 147,644 | $13.3M | 0.01% | −136,698−48.1% | Reduced |
| SIR Capital Management, L.P. | 151,100 | $13.6M | 2.02% | +20,800+16.0% | Added |
| Nuveen Asset Management, LLC | 166,299 | $15.0M | 0.00% | +8,177+5.2% | Added |
| Virginia Retirement Systems Et Al | 172,500 | $15.5M | 0.15% | +93,500+118.4% | Added |
| Northern Trust Corp | 178,127 | $16.0M | 0.00% | −16,200−8.3% | Reduced |
| Point72 Asset Management, L.P. | 193,903 | $17.5M | 0.09% | +133,903+223.2% | Added |
| Deutsche Bank AG | 195,039 | $17.6M | 0.01% | −93,983−32.5% | Reduced |
| AQR Capital Management LLC | 212,310 | $19.1M | 0.03% | +51,452+32.0% | Added |
| Scout Investments, Inc. | 222,858 | $20.1M | 0.30% | −1,227−0.5% | Reduced |
| Robotti Robert | 230,380 | $20.8M | 5.21% | −28,944−11.2% | Reduced |
| First Trust Advisors LP | 264,881 | $23.9M | 0.03% | +75,226+39.7% | Added |
| Janus Henderson Group PLC | 284,583 | $25.6M | 0.01% | −3,691−1.3% | Reduced |
| Charles Schwab Investment Management Inc | 285,553 | $25.7M | 0.01% | −2,631−0.9% | Reduced |
| Bank of New York Mellon Corp | 312,672 | $28.2M | 0.01% | +58,015+22.8% | Added |
| Norges Bank | 345,738 | $31.1M | 0.01% | +35,068+11.3% | Added |
| Marshall Wace North America L.P. | 350,531 | $31.6M | 0.13% | +5,178+1.5% | Added |
| Geode Capital Management, LLC | 407,580 | $36.7M | 0.01% | +543+0.1% | Added |
| Prudential Financial Inc | 461,054 | $41.5M | 0.06% | +173,064+60.1% | Added |
| Wells Fargo & Company | 466,265 | $42.0M | 0.01% | −134,698−22.4% | Reduced |
| Citadel Advisors LLC | 474,508 | $42.7M | 0.04% | −367,872−43.7% | Reduced |
| State Street Corp | 518,534 | $46.7M | 0.00% | +64,902+14.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 540,840 | $48.7M | 0.14% | +540,840 | New |
| Morgan Stanley | 563,210 | $50.7M | 0.01% | +331,277+142.8% | Added |
| Acadian Asset Management LLC | 564,429 | $50.9M | 0.19% | +212,214+60.3% | Added |
| Fort Pitt Capital Group, LLC | 607,146 | $54.7M | 2.22% | +7,829+1.3% | Added |
| Millennium Management LLC | 678,927 | $61.2M | 0.08% | −731,255−51.9% | Reduced |
| Goldman Sachs Group Inc | 1,131,178 | $101.9M | 0.03% | +325,716+40.4% | Added |
| BlackRock Inc. | 1,685,947 | $151.9M | 0.00% | −42,575−2.5% | Reduced |
| Price T Rowe Associates Inc | 2,043,274 | $184.1M | 0.02% | −1,626,697−44.3% | Reduced |
| FMR LLC | 2,052,402 | $184.9M | 0.01% | +1,044,618+103.7% | Added |
| Dimensional Fund Advisors LP | 2,278,426 | $205.3M | 0.06% | −54,157−2.3% | Reduced |
| Capital World Investors | 2,610,154 | $235.1M | 0.04% | −1830.0% | Reduced |
| Victory Capital Management Inc | 3,065,054 | $276.1M | 0.27% | −39,824−1.3% | Reduced |
| Vanguard Group Inc | 3,997,970 | $360.2M | 0.01% | +269,403+7.2% | Added |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −162,693−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −148,380−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −68,148−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −60,100−100.0% | Sold out |
| Appian Way Asset Management LP | 0 | $0 | 0.00% | −41,333−100.0% | Sold out |
| Three Peaks Capital Management, LLC | 0 | $0 | 0.00% | −25,623−100.0% | Sold out |
| Capital CS Group, LLC | 0 | $0 | 0.00% | −14,799−100.0% | Sold out |
| Summit Street Capital Management, LLC | 0 | $0 | 0.00% | −7,628−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −6,900−100.0% | Sold out |
| AMP Capital Investors Ltd | 0 | $0 | 0.00% | −5,415−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −3,803−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −2,968−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −2,905−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −2,387−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −2,333−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −328−100.0% | Sold out |
| San Francisco Sentry Investment Group (Ca) | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Washington Trust Co | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Bokf, NA | – | – | – | – | Not filed |
| BBVA USA Bancshares, Inc. | – | – | – | – | Not filed |
| Kaizen Financial Strategies | – | – | – | – | Not filed |