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, Q1 2022
Institutional positions in Westlake Corp as of Mar 31, 2022. 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
- 328
- +32 vs. Q4 2021
- Shares held
- 35.5M
- +880.8K (+2.5%) vs. Q4 2021
- Total value
- $4.38B
- +$1.02B (+30.2%) vs. Q4 2021
- New holders
- 72
- 97 more added
- Sold out
- 40
- 115 more reduced
2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| The PNC Financial Services Group, Inc. | 12,592 | $1.55M | 0.00% | +230+1.9% | Added |
| V Wealth Advisors LLC | 12,823 | $1.58M | 0.25% | +12,823 | New |
| Blueshift Asset Management, LLC | 14,790 | $1.82M | 0.17% | +14,790 | New |
| Lazard Asset Management LLC | 15,341 | $1.89M | 0.00% | −340,846−95.7% | Reduced |
| Paradigm Capital Management Inc | 15,950 | $1.97M | 0.11% | −9,150−36.5% | Reduced |
| Appian Way Asset Management LP | 16,000 | $1.97M | 0.90% | +16,000 | New |
| National Bank of Canada | 16,305 | $2.01M | 0.01% | +16,000+5,245.9% | Added |
| Raymond James & Associates | 16,608 | $2.05M | 0.00% | +503+3.1% | Added |
| Agf Investments Inc. | 17,185 | $2.12M | 0.02% | 00.0% | Unchanged |
| Truist Financial Corp | 17,496 | $2.16M | 0.00% | −751−4.1% | Reduced |
| Cinctive Capital Management LP | 19,289 | $2.38M | 0.11% | +10,747+125.8% | Added |
| HighTower Advisors, LLC | 19,360 | $2.40M | 0.01% | +17,151+776.4% | Added |
| Public Employees Retirement System of Ohio | 19,629 | $2.42M | 0.01% | −662−3.3% | Reduced |
| AXA S.A. | 20,700 | $2.55M | 0.01% | −11,800−36.3% | Reduced |
| UBS Group AG | 20,943 | $2.58M | 0.00% | +4,962+31.0% | Added |
| LPL Financial LLC | 21,173 | $2.61M | 0.00% | +13,289+168.6% | Added |
| Jane Street Group, LLC | 21,178 | $2.61M | 0.00% | +14,770+230.5% | Added |
| Wilen Investment Management Corp. | 21,532 | $2.65M | 2.00% | +1,000+4.9% | Added |
| Twin Capital Management Inc | 21,640 | $2.67M | 0.29% | +2,920+15.6% | Added |
| Renaissance Technologies LLC | 22,700 | $2.80M | 0.00% | −158,300−87.5% | Reduced |
| Balyasny Asset Management LLC | 23,416 | $2.89M | 0.01% | +23,416 | New |
| Alaska Permanent Fund Corp | 24,000 | $2.96M | 0.05% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 24,199 | $2.99M | 0.03% | −11,435−32.1% | Reduced |
| Caas Capital Management LP | 24,451 | $3.02M | 0.53% | +24,451 | New |
| State of New Jersey Common Pension Fund D | 24,899 | $3.07M | 0.01% | −3,843−13.4% | Reduced |
| Bank of Nova Scotia | 25,256 | $3.12M | 0.01% | +9,256+57.9% | Added |
| Susquehanna Fundamental Investments, LLC | 25,299 | $3.12M | 0.06% | +9,309+58.2% | Added |
| DuPont Capital Management Corp | 25,410 | $3.14M | 0.13% | −6,165−19.5% | Reduced |
| PEAK6 Investments LLC | 25,730 | $3.17M | 0.09% | +25,730 | New |
| Franklin Resources Inc | 27,983 | $3.45M | 0.00% | −771−2.7% | Reduced |
| Rhumbline Advisers | 29,862 | $3.69M | 0.00% | −2,441−7.6% | Reduced |
| Amundi | 33,129 | $3.76M | 0.00% | −4,856−12.8% | Reduced |
| Envestnet Asset Management Inc | 30,968 | $3.82M | 0.00% | +656+2.2% | Added |
| ClariVest Asset Management LLC | 32,509 | $4.01M | 0.16% | −3,600−10.0% | Reduced |
| Royal London Asset Management Ltd | 33,135 | $4.09M | 0.02% | +300+0.9% | Added |
| CIBC World Markets Inc. | 33,336 | $4.11M | 0.01% | +33,336 | New |
| Churchill Management Corp | 35,583 | $4.39M | 0.08% | +35,583 | New |
| Credit Suisse AG | 35,947 | $4.44M | 0.00% | +1,810+5.3% | Added |
| State Board of Administration of Florida Retirement System | 36,856 | $4.55M | 0.01% | −3,113−7.8% | Reduced |
| Empowered Funds, LLC | 37,277 | $4.60M | 0.50% | −14,765−28.4% | Reduced |
| New York State Common Retirement Fund | 37,874 | $4.67M | 0.00% | −2,016−5.1% | Reduced |
| Voloridge Investment Management, LLC | 40,436 | $4.99M | 0.03% | +27,445+211.3% | Added |
| State of Tennessee, Treasury Department | 42,576 | $5.25M | 0.02% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 44,381 | $5.48M | 0.08% | −47,998−52.0% | Reduced |
| SG Capital Management LLC | 44,496 | $5.49M | 2.69% | +44,496 | New |
| Smith, Graham & Co., Investment Advisors, LP | 44,771 | $5.53M | 0.57% | +1,515+3.5% | Added |
| California State Teachers Retirement System | 46,983 | $5.80M | 0.01% | −3,745−7.4% | Reduced |
| Royal Bank of Canada | 47,209 | $5.83M | 0.00% | −8,849−15.8% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 50,670 | $6.25M | 0.03% | +18,225+56.2% | Added |
| Verition Fund Management LLC | 51,353 | $6.34M | 0.12% | −16,972−24.8% | Reduced |
| Ambassador Advisors, LLC | 51,823 | $6.39M | 1.24% | +4,426+9.3% | Added |
| Russell Investments Group, Ltd. | 51,932 | $6.45M | 0.01% | −29,858−36.5% | Reduced |
| Trexquant Investment LP | 52,484 | $6.48M | 0.30% | +42,229+411.8% | Added |
| JPMorgan Chase & Co | 54,547 | $6.73M | 0.00% | −19,213−26.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 56,567 | $6.98M | 0.07% | +56,567 | New |
| Squarepoint Ops LLC | 58,093 | $7.17M | 0.05% | −15,406−21.0% | Reduced |
| STRS Ohio | 58,773 | $7.25M | 0.03% | +18,162+44.7% | Added |
| Citigroup Inc | 59,648 | $7.36M | 0.01% | −4,162−6.5% | Reduced |
| SEI Investments Co | 60,757 | $7.48M | 0.02% | −2,139−3.4% | Reduced |
| Distillate Capital Partners LLC | 61,739 | $7.62M | 1.08% | +16,281+35.8% | Added |
| Vident Investment Advisory, LLC | 61,742 | $7.62M | 0.20% | +16,900+37.7% | Added |
| Assenagon Asset Management S.A. | 62,969 | $7.77M | 0.03% | +37,589+148.1% | Added |
| Cubist Systematic Strategies, LLC | 64,281 | $7.93M | 0.07% | −58,896−47.8% | Reduced |
| Contravisory Investment Management, Inc. | 65,616 | $8.10M | 2.30% | −1,227−1.8% | Reduced |
| Wedge Capital Management L L P | 66,169 | $8.16M | 0.11% | −26,033−28.2% | Reduced |
| Covalis Capital LLP | 67,220 | $8.29M | 2.43% | +67,220 | New |
| Schroder Investment Management Group | 67,595 | $8.43M | 0.01% | −16,095−19.2% | Reduced |
| Winmill & Co. Inc | 70,000 | $8.64M | 2.63% | −4,000−5.4% | Reduced |
| Alliancebernstein L.P. | 77,208 | $9.53M | 0.00% | +25,554+49.5% | Added |
| Luminus Management LLC | 79,900 | $9.86M | 2.21% | +79,900 | New |
| Zacks Investment Management | 86,162 | $10.6M | 0.15% | +48,087+126.3% | Added |
| Marshall Wace, LLP | 88,325 | $10.9M | 0.02% | +84,338+2,115.3% | Added |
| Barclays PLC | 88,810 | $11.0M | 0.01% | −3,786−4.1% | Reduced |
| Swiss National Bank | 90,600 | $11.2M | 0.01% | +5,900+7.0% | Added |
| Brandes Investment Partners, LP | 98,786 | $12.2M | 0.26% | −40,009−28.8% | Reduced |
| Erste Asset Management GmbH | 102,000 | $12.6M | 0.24% | −32,000−23.9% | Reduced |
| BNP Paribas Arbitrage, SA | 104,702 | $12.9M | 0.03% | +9,661+10.2% | Added |
| Macquarie Group Ltd | 108,322 | $13.4M | 0.01% | −3,830−3.4% | Reduced |
| Sprott Inc. | 110,000 | $13.6M | 0.96% | −10,000−8.3% | Reduced |
| Thrivent Financial for Lutherans | 110,204 | $13.6M | 0.03% | +26,706+32.0% | Added |
| Invesco Ltd. | 115,541 | $14.3M | 0.00% | +28,904+33.4% | Added |
| Millennium Management LLC | 116,026 | $14.3M | 0.02% | −24,767−17.6% | Reduced |
| Ameriprise Financial Inc | 118,879 | $14.7M | 0.00% | −1,812−1.5% | Reduced |
| Man Group plc | 120,495 | $14.9M | 0.05% | +90,243+298.3% | Added |
| Glenmede Trust Co NA | 134,688 | $16.6M | 0.08% | −2,061−1.5% | Reduced |
| Guggenheim Capital LLC | 147,382 | $18.2M | 0.11% | −1,399−0.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 150,000 | $18.5M | 0.04% | −50,000−25.0% | Reduced |
| Parametric Portfolio Associates LLC | 150,830 | $18.6M | 0.01% | −932−0.6% | Reduced |
| Smith Group Asset Management, LLC | 162,641 | $20.0M | 1.06% | −1,698−1.0% | Reduced |
| Legal & General Group Plc | 170,421 | $21.0M | 0.01% | +33,489+24.5% | Added |
| Panagora Asset Management Inc | 177,045 | $21.8M | 0.12% | +113,138+177.0% | Added |
| Northern Trust Corp | 178,276 | $22.0M | 0.00% | −123−0.1% | Reduced |
| Wellington Management Group LLP | 182,245 | $22.5M | 0.00% | −3,836−2.1% | Reduced |
| Virginia Retirement Systems Et Al | 187,800 | $23.2M | 0.22% | −62,000−24.8% | Reduced |
| Citadel Advisors LLC | 206,956 | $25.5M | 0.03% | +12,065+6.2% | Added |
| Deutsche Bank AG | 219,684 | $27.1M | 0.01% | −95,297−30.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 226,141 | $27.9M | 0.19% | −96,983−30.0% | Reduced |
| Scopus Asset Management, L.P. | 226,750 | $28.0M | 1.05% | −15,000−6.2% | Reduced |
| Robotti Robert | 229,814 | $28.4M | 5.74% | +97,865+74.2% | Added |
| UBS Asset Management Americas Inc | 238,722 | $29.5M | 0.01% | +178,390+295.7% | Added |