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 2022
Institutional positions in Westlake Corp as of Sep 30, 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
- 321
- −34 vs. Q2 2022
- Shares held
- 34.9M
- −681.3K (−1.9%) vs. Q2 2022
- Total value
- $3.03B
- −$467.6M (−13.3%) vs. Q2 2022
- New holders
- 33
- 123 more added
- Sold out
- 67
- 122 more reduced
Compare with Q2 2022: 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 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alaska Permanent Fund Corp | 19,300 | $1.68M | 0.03% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 20,533 | $1.78M | 0.00% | −3,205−13.5% | Reduced |
| Twin Capital Management Inc | 20,593 | $1.79M | 0.24% | −384−1.8% | Reduced |
| State of Wisconsin Investment Board | 21,582 | $1.88M | 0.01% | −4,750−18.0% | Reduced |
| Pinebridge Investments, L.P. | 21,648 | $1.88M | 0.02% | +494+2.3% | Added |
| Truist Financial Corp | 21,661 | $1.88M | 0.00% | +8,814+68.6% | Added |
| Wilen Investment Management Corp. | 22,183 | $1.91M | 1.95% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 22,754 | $1.98M | 0.03% | +16+0.1% | Added |
| State of New Jersey Common Pension Fund D | 22,995 | $2.00M | 0.01% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 23,596 | $2.05M | 0.12% | +279+1.2% | Added |
| Navellier & Associates Inc | 24,586 | $2.14M | 0.47% | −147−0.6% | Reduced |
| Yaupon Capital Management LP | 24,639 | $2.14M | 0.72% | −6,561−21.0% | Reduced |
| Mercer Global Advisors Inc | 25,117 | $2.18M | 0.01% | +6,405+34.2% | Added |
| Teacher Retirement System of Texas | 25,374 | $2.20M | 0.02% | +8,681+52.0% | Added |
| Advisors Asset Management, Inc. | 25,656 | $2.23M | 0.05% | +435+1.7% | Added |
| Royal London Asset Management Ltd | 25,723 | $2.24M | 0.01% | −18,735−42.1% | Reduced |
| LPL Financial LLC | 26,179 | $2.27M | 0.00% | −5,708−17.9% | Reduced |
| Susquehanna International Group, LLP | 26,572 | $2.31M | 0.00% | −18,074−40.5% | Reduced |
| Price T Rowe Associates Inc | 27,309 | $2.37M | 0.00% | +3,168+13.1% | Added |
| Royal Bank of Canada | 27,643 | $2.40M | 0.00% | −2,983−9.7% | Reduced |
| Thompson Siegel & Walmsley LLC | 27,857 | $2.42M | 0.04% | +1,119+4.2% | Added |
| Assenagon Asset Management S.A. | 28,076 | $2.44M | 0.01% | −55,938−66.6% | Reduced |
| PEAK6 Investments LLC | 28,951 | $2.52M | 0.09% | +760+2.7% | Added |
| Swedbank AB | 28,953 | $2.52M | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 29,350 | $2.55M | 0.00% | +3,524+13.6% | Added |
| Citadel Advisors LLC | 30,585 | $2.66M | 0.00% | −106,054−77.6% | Reduced |
| Hussman Strategic Advisors, Inc. | 31,000 | $2.69M | 0.46% | +21,700+233.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 31,797 | $2.76M | 0.01% | −44,125−58.1% | Reduced |
| Clark Estates Inc | 34,600 | $3.01M | 0.66% | +34,600 | New |
| State Board of Administration of Florida Retirement System | 35,793 | $3.11M | 0.01% | +150.0% | Added |
| New York State Common Retirement Fund | 37,115 | $3.23M | 0.00% | +944+2.6% | Added |
| State of Tennessee, Treasury Department | 37,266 | $3.24M | 0.02% | +2,690+7.8% | Added |
| Smith, Graham & Co., Investment Advisors, LP | 37,684 | $3.27M | 0.44% | −2,312−5.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 37,847 | $3.29M | 0.03% | +27,947+282.3% | Added |
| Covalis Capital LLP | 38,095 | $3.31M | 0.76% | −13,311−25.9% | Reduced |
| Rhumbline Advisers | 38,308 | $3.33M | 0.00% | +2,519+7.0% | Added |
| Ambassador Advisors, LLC | 41,743 | $3.63M | 0.86% | −12,597−23.2% | Reduced |
| Empowered Funds, LLC | 43,188 | $3.75M | 0.36% | +3,873+9.9% | Added |
| Deutsche Bank AG | 43,469 | $3.78M | 0.00% | −37,196−46.1% | Reduced |
| SEI Investments Co | 46,759 | $4.06M | 0.01% | −20,335−30.3% | Reduced |
| Alliancebernstein L.P. | 47,145 | $4.10M | 0.00% | −2,061−4.2% | Reduced |
| Wellington Management Group LLP | 47,993 | $4.17M | 0.00% | −111,849−70.0% | Reduced |
| Envestnet Asset Management Inc | 48,087 | $4.18M | 0.00% | −421−0.9% | Reduced |
| STRS Ohio | 49,946 | $4.34M | 0.02% | +19,417+63.6% | Added |
| Ensign Peak Advisors, Inc | 50,875 | $4.42M | 0.01% | +39,650+353.2% | Added |
| D. E. Shaw & Co., Inc. | 52,582 | $4.57M | 0.01% | +52,582 | New |
| Citigroup Inc | 59,037 | $5.13M | 0.01% | −2,891−4.7% | Reduced |
| Canada Pension Plan Investment Board | 59,369 | $5.16M | 0.01% | +22,690+61.9% | Added |
| Worldquant Millennium Advisors LLC | 59,962 | $5.21M | 0.13% | +59,962 | New |
| UBS Asset Management Americas Inc | 61,089 | $5.31M | 0.00% | −157,239−72.0% | Reduced |
| California State Teachers Retirement System | 62,966 | $5.47M | 0.01% | −308−0.5% | Reduced |
| Contravisory Investment Management, Inc. | 64,984 | $5.65M | 1.88% | +203+0.3% | Added |
| Jane Street Group, LLC | 66,140 | $5.75M | 0.01% | +61,965+1,484.2% | Added |
| Distillate Capital Partners LLC | 67,249 | $5.77M | 0.77% | +12,714+23.3% | Added |
| Vident Investment Advisory, LLC | 67,408 | $5.85M | 0.19% | +12,995+23.9% | Added |
| Wedge Capital Management L L P | 68,318 | $5.93M | 0.10% | +13,262+24.1% | Added |
| HSBC Holdings PLC | 69,433 | $6.02M | 0.01% | +4,709+7.3% | Added |
| Winmill & Co. Inc | 70,000 | $6.08M | 2.41% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 73,318 | $6.36M | 0.01% | −4,326−5.6% | Reduced |
| Thrivent Financial for Lutherans | 75,242 | $6.54M | 0.02% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 75,826 | $6.59M | 0.04% | −24,915−24.7% | Reduced |
| Squarepoint Ops LLC | 76,946 | $6.68M | 0.06% | +26,989+54.0% | Added |
| Renaissance Technologies LLC | 77,500 | $6.73M | 0.01% | +30,600+65.2% | Added |
| Cubist Systematic Strategies, LLC | 82,197 | $7.14M | 0.05% | −14,810−15.3% | Reduced |
| Balyasny Asset Management LLC | 87,533 | $7.61M | 0.03% | +42,439+94.1% | Added |
| ExodusPoint Capital Management, LP | 90,329 | $7.85M | 0.11% | +55,542+159.7% | Added |
| Ameriprise Financial Inc | 91,874 | $7.99M | 0.00% | −4,140−4.3% | Reduced |
| Invesco Ltd. | 102,193 | $8.88M | 0.00% | −55,308−35.1% | Reduced |
| Sprott Inc. | 105,000 | $9.12M | 0.93% | +5,000+5.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 110,626 | $9.61M | 0.01% | +3,027+2.8% | Added |
| Prudential Financial Inc | 100,733 | $9.87M | 0.02% | −439,816−81.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 116,127 | $10.1M | 0.17% | +116,127 | New |
| Storebrand Asset Management AS | 116,929 | $10.2M | 0.06% | +24,434+26.4% | Added |
| JPMorgan Chase & Co | 119,308 | $10.4M | 0.00% | +12,606+11.8% | Added |
| BNP Paribas Arbitrage, SA | 119,359 | $10.4M | 0.03% | −79,436−40.0% | Reduced |
| Erste Asset Management GmbH | 122,733 | $10.7M | 0.24% | +32,733+36.4% | Added |
| Schonfeld Strategic Advisors LLC | 123,816 | $10.8M | 0.09% | +11,593+10.3% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 124,700 | $10.8M | 0.06% | +124,700 | New |
| Glenmede Trust Co NA | 127,043 | $11.0M | 0.07% | −5,859−4.4% | Reduced |
| Millennium Management LLC | 129,586 | $11.3M | 0.01% | +107,925+498.2% | Added |
| Fort Pitt Capital Group, LLC | 130,983 | $11.4M | 0.52% | −269,586−67.3% | Reduced |
| Credit Suisse AG | 135,685 | $11.8M | 0.01% | +47,560+54.0% | Added |
| Panagora Asset Management Inc | 137,237 | $11.9M | 0.08% | +16,320+13.5% | Added |
| Guggenheim Capital LLC | 138,134 | $12.0M | 0.11% | −7,691−5.3% | Reduced |
| Man Group plc | 140,068 | $12.2M | 0.06% | – | – |
| Jacobs Levy Equity Management, Inc | 146,956 | $12.8M | 0.10% | −1,504−1.0% | Reduced |
| Scout Investments, Inc. | 157,201 | $13.7M | 0.28% | −53,227−25.3% | Reduced |
| Amundi | 153,775 | $14.0M | 0.01% | +96,541+168.7% | Added |
| Swiss National Bank | 166,500 | $14.5M | 0.01% | −300−0.2% | Reduced |
| Virginia Retirement Systems Et Al | 173,100 | $15.0M | 0.17% | +173,100 | New |
| Wells Fargo & Company | 180,038 | $15.6M | 0.01% | −117,780−39.5% | Reduced |
| Legal & General Group Plc | 205,216 | $17.8M | 0.01% | −7,195−3.4% | Reduced |
| Northern Trust Corp | 209,074 | $18.2M | 0.00% | −13,566−6.1% | Reduced |
| Robotti Robert | 229,966 | $20.0M | 4.75% | −415−0.2% | Reduced |
| Verition Fund Management LLC | 237,787 | $20.7M | 0.28% | +116,802+96.5% | Added |
| Barclays PLC | 244,766 | $21.3M | 0.02% | +51,036+26.3% | Added |
| Marshall Wace, LLP | 253,380 | $22.0M | 0.06% | +253,380 | New |
| Bank of New York Mellon Corp | 265,321 | $23.1M | 0.01% | +41,630+18.6% | Added |
| Janus Henderson Group PLC | 299,623 | $26.0M | 0.02% | +16,512+5.8% | Added |
| Norges Bank | 316,767 | $27.5M | 0.01% | −212,071−40.1% | Reduced |