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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,997,970 | $360.2M | 0.01% | +269,403+7.2% | Added |
| Victory Capital Management Inc | 3,065,054 | $276.1M | 0.27% | −39,824−1.3% | Reduced |
| Capital World Investors | 2,610,154 | $235.1M | 0.04% | −1830.0% | Reduced |
| Dimensional Fund Advisors LP | 2,278,426 | $205.3M | 0.06% | −54,157−2.3% | Reduced |
| FMR LLC | 2,052,402 | $184.9M | 0.01% | +1,044,618+103.7% | Added |
| Price T Rowe Associates Inc | 2,043,274 | $184.1M | 0.02% | −1,626,697−44.3% | Reduced |
| BlackRock Inc. | 1,685,947 | $151.9M | 0.00% | −42,575−2.5% | Reduced |
| Goldman Sachs Group Inc | 1,131,178 | $101.9M | 0.03% | +325,716+40.4% | Added |
| Millennium Management LLC | 678,927 | $61.2M | 0.08% | −731,255−51.9% | Reduced |
| Fort Pitt Capital Group, LLC | 607,146 | $54.7M | 2.22% | +7,829+1.3% | Added |
| Acadian Asset Management LLC | 564,429 | $50.9M | 0.19% | +212,214+60.3% | Added |
| Morgan Stanley | 563,210 | $50.7M | 0.01% | +331,277+142.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 540,840 | $48.7M | 0.14% | +540,840 | New |
| State Street Corp | 518,534 | $46.7M | 0.00% | +64,902+14.3% | Added |
| Citadel Advisors LLC | 474,508 | $42.7M | 0.04% | −367,872−43.7% | Reduced |
| Wells Fargo & Company | 466,265 | $42.0M | 0.01% | −134,698−22.4% | Reduced |
| Prudential Financial Inc | 461,054 | $41.5M | 0.06% | +173,064+60.1% | Added |
| Geode Capital Management, LLC | 407,580 | $36.7M | 0.01% | +543+0.1% | Added |
| Marshall Wace North America L.P. | 350,531 | $31.6M | 0.13% | +5,178+1.5% | Added |
| Norges Bank | 345,738 | $31.1M | 0.01% | +35,068+11.3% | Added |
| Bank of New York Mellon Corp | 312,672 | $28.2M | 0.01% | +58,015+22.8% | Added |
| Charles Schwab Investment Management Inc | 285,553 | $25.7M | 0.01% | −2,631−0.9% | Reduced |
| Janus Henderson Group PLC | 284,583 | $25.6M | 0.01% | −3,691−1.3% | Reduced |
| First Trust Advisors LP | 264,881 | $23.9M | 0.03% | +75,226+39.7% | Added |
| Robotti Robert | 230,380 | $20.8M | 5.21% | −28,944−11.2% | Reduced |
| Scout Investments, Inc. | 222,858 | $20.1M | 0.30% | −1,227−0.5% | Reduced |
| AQR Capital Management LLC | 212,310 | $19.1M | 0.03% | +51,452+32.0% | Added |
| Deutsche Bank AG | 195,039 | $17.6M | 0.01% | −93,983−32.5% | Reduced |
| Point72 Asset Management, L.P. | 193,903 | $17.5M | 0.09% | +133,903+223.2% | Added |
| Northern Trust Corp | 178,127 | $16.0M | 0.00% | −16,200−8.3% | Reduced |
| Virginia Retirement Systems Et Al | 172,500 | $15.5M | 0.15% | +93,500+118.4% | Added |
| Nuveen Asset Management, LLC | 166,299 | $15.0M | 0.00% | +8,177+5.2% | Added |
| SIR Capital Management, L.P. | 151,100 | $13.6M | 2.02% | +20,800+16.0% | Added |
| Alliancebernstein L.P. | 147,644 | $13.3M | 0.01% | −136,698−48.1% | Reduced |
| Parametric Portfolio Associates LLC | 147,141 | $13.3M | 0.01% | −936−0.6% | Reduced |
| Guggenheim Capital LLC | 147,128 | $13.3M | 0.08% | +2,171+1.5% | Added |
| Erste Asset Management GmbH | 144,000 | $13.0M | 0.26% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 140,100 | $12.6M | 0.02% | +140,100 | New |
| Bank of America Corp | 138,347 | $12.5M | 0.00% | +88,822+179.3% | Added |
| Scopus Asset Management, L.P. | 135,000 | $12.2M | 0.21% | +135,000 | New |
| Jennison Associates LLC | 132,760 | $12.0M | 0.01% | +108,294+442.6% | Added |
| Cubist Systematic Strategies, LLC | 130,930 | $11.8M | 0.13% | +75,572+136.5% | Added |
| UBS Asset Management Americas Inc | 128,326 | $11.6M | 0.00% | −1,320−1.0% | Reduced |
| Barclays PLC | 121,418 | $10.9M | 0.01% | +84,723+230.9% | Added |
| Legal & General Group Plc | 117,450 | $10.6M | 0.00% | −2,181−1.8% | Reduced |
| Sandbar Asset Management LLP | 116,070 | $10.5M | 1.13% | +43,931+60.9% | Added |
| Sprott Inc. | 115,000 | $10.4M | 0.67% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 113,159 | $10.2M | 0.16% | −64,658−36.4% | Reduced |
| Qube Research & Technologies Ltd | 112,553 | $10.1M | 0.13% | +65,218+137.8% | Added |
| Two Sigma Investments, LP | 111,427 | $10.0M | 0.03% | +56,098+101.4% | Added |
| Squarepoint Ops LLC | 109,894 | $9.90M | 0.07% | +90,010+452.7% | Added |
| D. E. Shaw & Co., Inc. | 104,013 | $9.37M | 0.01% | −4,743−4.4% | Reduced |
| Ameriprise Financial Inc | 102,872 | $9.27M | 0.00% | −8,538−7.7% | Reduced |
| Schroder Investment Management Group | 100,156 | $9.02M | 0.01% | −630−0.6% | Reduced |
| Brandes Investment Partners, LP | 96,737 | $8.71M | 0.19% | +43,206+80.7% | Added |
| Bank of Nova Scotia | 92,407 | $8.32M | 0.02% | +92,407 | New |
| Wedge Capital Management L L P | 91,161 | $8.21M | 0.10% | +394+0.4% | Added |
| Jacobs Levy Equity Management, Inc | 87,038 | $7.84M | 0.05% | +87,038 | New |
| Swiss National Bank | 84,500 | $7.61M | 0.00% | −3,100−3.5% | Reduced |
| Jade Capital Advisors, LLC | 80,000 | $7.21M | 2.99% | +80,000 | New |
| Price Michael F | 77,000 | $6.94M | 0.76% | −3,000−3.8% | Reduced |
| UBS Oconnor LLC | 75,000 | $6.76M | 0.06% | +75,000 | New |
| Paloma Partners Management Co | 71,948 | $6.48M | 0.17% | +39,601+122.4% | Added |
| JPMorgan Chase & Co | 70,448 | $6.35M | 0.00% | −46,914−40.0% | Reduced |
| Contravisory Investment Management, Inc. | 67,218 | $6.06M | 1.79% | −183−0.3% | Reduced |
| Invesco Ltd. | 63,011 | $5.68M | 0.00% | −12,376−16.4% | Reduced |
| California State Teachers Retirement System | 56,658 | $5.10M | 0.01% | −2,289−3.9% | Reduced |
| State of Tennessee, Treasury Department | 56,294 | $5.07M | 0.02% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 54,540 | $4.91M | 0.03% | +51,815+1,901.5% | Added |
| Arrowstreet Capital, Limited Partnership | 53,558 | $4.83M | 0.01% | −211,957−79.8% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 48,733 | $4.39M | 0.39% | −7,497−13.3% | Reduced |
| AlphaCrest Capital Management LLC | 45,560 | $4.11M | 0.18% | +36,375+396.0% | Added |
| STRS Ohio | 43,231 | $3.89M | 0.01% | +1,586+3.8% | Added |
| Duality Advisers, LP | 42,519 | $3.83M | 0.34% | +10,351+32.2% | Added |
| State Board of Administration of Florida Retirement System | 42,285 | $3.81M | 0.01% | −1,420−3.2% | Reduced |
| Assenagon Asset Management S.A. | 41,592 | $3.75M | 0.02% | −1,684,762−97.6% | Reduced |
| ClariVest Asset Management LLC | 41,600 | $3.75M | 0.12% | +41,600 | New |
| SEI Investments Co | 40,169 | $3.62M | 0.01% | +21,137+111.1% | Added |
| Royal Bank of Canada | 39,511 | $3.56M | 0.00% | +2,237+6.0% | Added |
| Winmill & Co. Inc | 39,100 | $3.52M | 1.27% | 00.0% | Unchanged |
| Credit Suisse AG | 38,450 | $3.44M | 0.00% | +12,645+49.0% | Added |
| Citigroup Inc | 37,957 | $3.42M | 0.00% | −11,764−23.7% | Reduced |
| Dynamic Technology Lab Private Ltd | 35,370 | $3.19M | 0.32% | +31,593+836.5% | Added |
| Pinebridge Investments, L.P. | 34,915 | $3.15M | 0.04% | +34,915 | New |
| HRT Financial LP | 34,329 | $3.09M | 0.03% | +34,329 | New |
| Rhumbline Advisers | 32,628 | $2.94M | 0.00% | −2,954−8.3% | Reduced |
| DuPont Capital Management Corp | 31,883 | $2.87M | 0.07% | +15,938+100.0% | Added |
| Russell Investments Group, Ltd. | 31,259 | $2.81M | 0.00% | +6,590+26.7% | Added |
| New York State Common Retirement Fund | 31,076 | $2.80M | 0.00% | −2,224−6.7% | Reduced |
| Bank of Montreal | 30,755 | $2.76M | 0.00% | +30,271+6,254.3% | Added |
| Wellington Management Group LLP | 30,334 | $2.73M | 0.00% | −1,020−3.3% | Reduced |
| Envestnet Asset Management Inc | 29,899 | $2.69M | 0.00% | +927+3.2% | Added |
| Balyasny Asset Management LLC | 29,038 | $2.62M | 0.01% | −491,547−94.4% | Reduced |
| Zacks Investment Management | 27,657 | $2.49M | 0.04% | +604+2.2% | Added |
| Man Group plc | 26,978 | $2.43M | 0.01% | +22,521+505.3% | Added |
| Advisors Asset Management, Inc. | 26,820 | $2.42M | 0.04% | +2,468+10.1% | Added |
| Jane Street Group, LLC | 26,228 | $2.36M | 0.01% | +22,607+624.3% | Added |
| Amundi | 25,639 | $2.31M | 0.00% | +25,639 | New |
| Paradigm Capital Management Inc | 25,100 | $2.26M | 0.11% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 25,075 | $2.26M | 0.09% | +25,075 | New |