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 2021
Institutional positions in Westlake Corp as of Sep 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
- 272
- 0 vs. Q2 2021
- Shares held
- 34.5M
- +981.4K (+2.9%) vs. Q2 2021
- Total value
- $3.15B
- +$128.0M (+4.2%) vs. Q2 2021
- New holders
- 41
- 104 more added
- Sold out
- 41
- 84 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 4,208,672 | $383.6M | 0.38% | +1,143,618+37.3% | Added |
| Vanguard Group Inc | 3,923,779 | $357.6M | 0.01% | −74,191−1.9% | Reduced |
| Dimensional Fund Advisors LP | 2,309,902 | $210.5M | 0.07% | +31,476+1.4% | Added |
| BlackRock Inc. | 1,657,453 | $151.1M | 0.00% | −28,494−1.7% | Reduced |
| Millennium Management LLC | 1,291,436 | $117.7M | 0.16% | +612,509+90.2% | Added |
| Price T Rowe Associates Inc | 1,238,381 | $112.9M | 0.01% | −804,893−39.4% | Reduced |
| Goldman Sachs Group Inc | 999,423 | $91.1M | 0.02% | −131,755−11.6% | Reduced |
| Assenagon Asset Management S.A. | 751,636 | $68.5M | 0.28% | +710,044+1,707.2% | Added |
| FMR LLC | 744,763 | $67.9M | 0.01% | −1,307,639−63.7% | Reduced |
| Acadian Asset Management LLC | 655,963 | $59.8M | 0.23% | +91,534+16.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 641,674 | $58.5M | 0.15% | +100,834+18.6% | Added |
| Fort Pitt Capital Group, LLC | 621,047 | $56.6M | 2.36% | +13,901+2.3% | Added |
| Citadel Advisors LLC | 608,093 | $55.4M | 0.06% | +133,585+28.2% | Added |
| Janus Henderson Group PLC | 570,587 | $52.0M | 0.02% | +286,004+100.5% | Added |
| Prudential Financial Inc | 566,702 | $51.6M | 0.07% | +105,648+22.9% | Added |
| Balyasny Asset Management LLC | 561,231 | $51.2M | 0.25% | +532,193+1,832.7% | Added |
| Morgan Stanley | 527,689 | $48.1M | 0.01% | −35,521−6.3% | Reduced |
| State Street Corp | 517,452 | $47.2M | 0.00% | −1,082−0.2% | Reduced |
| Wells Fargo & Company | 517,071 | $47.1M | 0.01% | +50,806+10.9% | Added |
| AQR Capital Management LLC | 490,600 | $44.7M | 0.08% | +278,290+131.1% | Added |
| JPMorgan Chase & Co | 481,685 | $43.9M | 0.01% | +411,237+583.7% | Added |
| Polaris Wealth Advisory Group, LLC | 422,174 | $41.8M | 2.50% | +422,174 | New |
| Geode Capital Management, LLC | 398,870 | $36.4M | 0.00% | −8,710−2.1% | Reduced |
| Federated Hermes, Inc. | 394,267 | $35.9M | 0.07% | +389,057+7,467.5% | Added |
| Jacobs Levy Equity Management, Inc | 387,108 | $35.3M | 0.24% | +300,070+344.8% | Added |
| Norges Bank | 334,577 | $30.5M | 0.01% | −11,161−3.2% | Reduced |
| Bank of New York Mellon Corp | 307,646 | $28.0M | 0.01% | −5,026−1.6% | Reduced |
| Marshall Wace North America L.P. | 307,152 | $28.0M | 0.12% | −43,379−12.4% | Reduced |
| Charles Schwab Investment Management Inc | 289,189 | $26.4M | 0.01% | +3,636+1.3% | Added |
| Virginia Retirement Systems Et Al | 251,500 | $22.9M | 0.23% | +79,000+45.8% | Added |
| First Trust Advisors LP | 251,460 | $22.9M | 0.02% | −13,421−5.1% | Reduced |
| Point72 Asset Management, L.P. | 238,064 | $21.7M | 0.10% | +44,161+22.8% | Added |
| Robotti Robert | 230,970 | $21.1M | 4.83% | +590+0.3% | Added |
| Scopus Asset Management, L.P. | 230,000 | $21.0M | 0.53% | +95,000+70.4% | Added |
| Sandbar Asset Management LLP | 201,746 | $18.4M | 2.00% | +85,676+73.8% | Added |
| Schonfeld Strategic Advisors LLC | 200,541 | $18.3M | 0.21% | +189,341+1,690.5% | Added |
| Scout Investments, Inc. | 182,581 | $16.6M | 0.25% | −40,277−18.1% | Reduced |
| Nuveen Asset Management, LLC | 178,056 | $16.2M | 0.01% | +11,757+7.1% | Added |
| UBS Oconnor LLC | 165,531 | $15.1M | 0.13% | +90,531+120.7% | Added |
| Northern Trust Corp | 164,053 | $15.0M | 0.00% | −14,074−7.9% | Reduced |
| Parametric Portfolio Associates LLC | 150,302 | $13.7M | 0.01% | +3,161+2.1% | Added |
| Legal & General Group Plc | 137,433 | $12.5M | 0.00% | +19,983+17.0% | Added |
| Guggenheim Capital LLC | 136,403 | $12.4M | 0.08% | −10,725−7.3% | Reduced |
| Brandes Investment Partners, LP | 135,147 | $12.3M | 0.27% | +38,410+39.7% | Added |
| Erste Asset Management GmbH | 134,000 | $12.2M | 0.24% | −10,000−6.9% | Reduced |
| Ameriprise Financial Inc | 127,578 | $11.6M | 0.00% | +24,706+24.0% | Added |
| SIR Capital Management, L.P. | 126,525 | $11.5M | 1.69% | −24,575−16.3% | Reduced |
| Bank of America Corp | 123,700 | $11.3M | 0.00% | −14,647−10.6% | Reduced |
| UBS Asset Management Americas Inc | 122,264 | $11.1M | 0.00% | −6,062−4.7% | Reduced |
| Sprott Inc. | 115,000 | $10.5M | 0.77% | 00.0% | Unchanged |
| Moore Capital Management, LP | 111,820 | $10.2M | 0.21% | +111,820 | New |
| Renaissance Technologies LLC | 111,000 | $10.1M | 0.01% | −29,100−20.8% | Reduced |
| ExodusPoint Capital Management, LP | 110,412 | $10.1M | 0.15% | −2,747−2.4% | Reduced |
| Wedge Capital Management L L P | 101,818 | $9.28M | 0.12% | +10,657+11.7% | Added |
| Arrowstreet Capital, Limited Partnership | 99,800 | $9.10M | 0.01% | +46,242+86.3% | Added |
| Schroder Investment Management Group | 99,053 | $9.03M | 0.01% | −1,103−1.1% | Reduced |
| Natixis | 98,988 | $9.02M | 0.03% | +98,988 | New |
| Panagora Asset Management Inc | 87,029 | $7.93M | 0.04% | +32,489+59.6% | Added |
| Swiss National Bank | 85,000 | $7.75M | 0.00% | +500+0.6% | Added |
| Jade Capital Advisors, LLC | 80,000 | $7.29M | 4.48% | 00.0% | Unchanged |
| Price Michael F | 77,000 | $7.02M | 0.81% | 00.0% | Unchanged |
| Invesco Ltd. | 76,155 | $6.94M | 0.00% | +13,144+20.9% | Added |
| GMT Capital Corp | 76,100 | $6.94M | 0.61% | +76,100 | New |
| Winmill & Co. Inc | 74,000 | $6.75M | 2.16% | +34,900+89.3% | Added |
| Barclays PLC | 73,351 | $6.69M | 0.00% | −48,067−39.6% | Reduced |
| Russell Investments Group, Ltd. | 69,993 | $6.39M | 0.01% | +38,734+123.9% | Added |
| Squarepoint Ops LLC | 68,965 | $6.29M | 0.04% | −40,929−37.2% | Reduced |
| D. E. Shaw & Co., Inc. | 68,131 | $6.21M | 0.01% | −35,882−34.5% | Reduced |
| Citigroup Inc | 67,513 | $6.15M | 0.01% | +29,556+77.9% | Added |
| Pacer Advisors, Inc. | 66,198 | $6.03M | 0.08% | +66,198 | New |
| Contravisory Investment Management, Inc. | 65,683 | $5.99M | 1.82% | −1,535−2.3% | Reduced |
| Alliancebernstein L.P. | 64,306 | $5.86M | 0.00% | −83,338−56.4% | Reduced |
| Bank of Montreal | 62,643 | $5.78M | 0.00% | +31,888+103.7% | Added |
| California State Teachers Retirement System | 60,264 | $5.49M | 0.01% | +3,606+6.4% | Added |
| UBS Group AG | 56,376 | $5.14M | 0.00% | +42,818+315.8% | Added |
| Royal Bank of Canada | 55,443 | $5.05M | 0.00% | +15,932+40.3% | Added |
| Walleye Capital LLC | 54,093 | $4.93M | 0.15% | +42,991+387.2% | Added |
| SEI Investments Co | 53,425 | $4.88M | 0.01% | +13,256+33.0% | Added |
| Empowered Funds, LLC | 52,381 | $4.77M | 0.61% | +52,381 | New |
| HRT Financial LP | 50,108 | $4.57M | 0.03% | +15,779+46.0% | Added |
| Cubist Systematic Strategies, LLC | 48,846 | $4.45M | 0.06% | −82,084−62.7% | Reduced |
| Bank of Nova Scotia | 45,881 | $4.18M | 0.01% | −46,526−50.3% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 43,890 | $4.00M | 0.40% | −4,843−9.9% | Reduced |
| AXA S.A. | 43,700 | $3.98M | 0.01% | +35,000+402.3% | Added |
| DuPont Capital Management Corp | 42,764 | $3.90M | 0.12% | +10,881+34.1% | Added |
| State of Tennessee, Treasury Department | 42,576 | $3.88M | 0.02% | −13,718−24.4% | Reduced |
| Credit Suisse AG | 41,373 | $3.77M | 0.00% | +2,923+7.6% | Added |
| State Board of Administration of Florida Retirement System | 41,142 | $3.75M | 0.01% | −1,143−2.7% | Reduced |
| Jennison Associates LLC | 40,934 | $3.73M | 0.00% | −91,826−69.2% | Reduced |
| ClariVest Asset Management LLC | 39,700 | $3.62M | 0.12% | −1,900−4.6% | Reduced |
| Amundi | 38,377 | $3.50M | 0.00% | +12,738+49.7% | Added |
| STRS Ohio | 37,171 | $3.39M | 0.01% | −6,060−14.0% | Reduced |
| Zacks Investment Management | 37,121 | $3.38M | 0.05% | +9,464+34.2% | Added |
| Pinebridge Investments, L.P. | 36,430 | $3.32M | 0.04% | +1,515+4.3% | Added |
| Holocene Advisors, LP | 36,297 | $3.31M | 0.02% | +36,297 | New |
| New York State Common Retirement Fund | 36,224 | $3.30M | 0.00% | +5,148+16.6% | Added |
| Voloridge Investment Management, LLC | 35,256 | $3.21M | 0.02% | +13,987+65.8% | Added |
| Envestnet Asset Management Inc | 32,909 | $3.00M | 0.00% | +3,010+10.1% | Added |
| Vident Investment Advisory, LLC | 32,908 | $3.00M | 0.09% | +32,908 | New |
| Distillate Capital Partners LLC | 32,908 | $3.00M | 0.80% | +32,908 | New |