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, Q4 2022
Institutional positions in Westlake Corp as of Dec 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
- 344
- +32 vs. Q3 2022
- Shares held
- 36.4M
- +1.54M (+4.4%) vs. Q3 2022
- Total value
- $3.73B
- +$703.7M (+23.2%) vs. Q3 2022
- New holders
- 74
- 105 more added
- Sold out
- 42
- 118 more reduced
9 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,594,860 | $368.6M | 0.01% | +1,373,077+61.8% | Added |
| FMR LLC | 3,594,663 | $368.6M | 0.04% | +25,778+0.7% | Added |
| Vanguard Group Inc | 3,456,522 | $354.4M | 0.01% | +113,647+3.4% | Added |
| Victory Capital Management Inc | 3,239,670 | $332.2M | 0.38% | +221,020+7.3% | Added |
| Soroban Capital Partners LP | 2,021,674 | $207.3M | 2.49% | 00.0% | Unchanged |
| Orbis Allan Gray Ltd | 1,956,250 | $200.6M | 1.59% | +1,956,250 | New |
| Dimensional Fund Advisors LP | 1,708,835 | $175.2M | 0.06% | −429,533−20.1% | Reduced |
| State Street Corp | 1,125,020 | $115.4M | 0.01% | +379,282+50.9% | Added |
| Pacer Advisors, Inc. | 1,012,486 | $103.8M | 0.53% | +342,204+51.1% | Added |
| First Trust Advisors LP | 960,738 | $98.5M | 0.12% | +138,910+16.9% | Added |
| Goldman Sachs Group Inc | 837,405 | $85.9M | 0.02% | +35,722+4.5% | Added |
| Nuveen Asset Management, LLC | 629,020 | $64.5M | 0.03% | +5,783+0.9% | Added |
| AQR Capital Management LLC | 559,268 | $57.1M | 0.13% | −101,995−15.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 520,109 | $53.3M | 0.14% | −16,607−3.1% | Reduced |
| Bank of America Corp | 498,417 | $51.1M | 0.01% | −468,790−48.5% | Reduced |
| Geode Capital Management, LLC | 451,000 | $46.2M | 0.01% | +14,623+3.4% | Added |
| Bank of New York Mellon Corp | 433,329 | $44.4M | 0.01% | +168,008+63.3% | Added |
| Allspring Global Investments Holdings, LLC | 365,948 | $37.5M | 0.06% | −61,895−14.5% | Reduced |
| Citadel Advisors LLC | 355,081 | $36.4M | 0.04% | +324,496+1,061.0% | Added |
| Charles Schwab Investment Management Inc | 337,942 | $34.7M | 0.01% | +3,321+1.0% | Added |
| Morgan Stanley | 319,975 | $32.8M | 0.00% | −276,212−46.3% | Reduced |
| Norges Bank | 309,334 | $31.7M | 0.01% | −7,433−2.3% | Reduced |
| Northern Trust Corp | 307,537 | $31.5M | 0.01% | +98,463+47.1% | Added |
| Invesco Ltd. | 263,850 | $27.1M | 0.01% | +161,657+158.2% | Added |
| Federated Hermes, Inc. | 256,532 | $26.3M | 0.07% | −297,487−53.7% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 243,800 | $25.0M | 0.13% | +119,100+95.5% | Added |
| Robotti Robert | 229,267 | $23.5M | 4.69% | −699−0.3% | Reduced |
| Legal & General Group Plc | 228,721 | $23.5M | 0.01% | +23,505+11.5% | Added |
| Janus Henderson Group PLC | 227,575 | $23.3M | 0.02% | −72,048−24.0% | Reduced |
| Swiss National Bank | 155,700 | $16.0M | 0.01% | −10,800−6.5% | Reduced |
| Storebrand Asset Management AS | 152,961 | $15.7M | 0.09% | +36,032+30.8% | Added |
| Point72 Asset Management, L.P. | 152,699 | $15.7M | 0.06% | +152,699 | New |
| Appian Way Asset Management LP | 148,700 | $15.2M | 5.73% | +148,700 | New |
| Guggenheim Capital LLC | 147,396 | $15.1M | 0.13% | +9,262+6.7% | Added |
| Scout Investments, Inc. | 144,866 | $14.9M | 0.30% | −12,335−7.8% | Reduced |
| Erste Asset Management GmbH | 144,033 | $14.8M | 0.31% | +21,300+17.4% | Added |
| Verition Fund Management LLC | 140,267 | $14.4M | 0.28% | −97,520−41.0% | Reduced |
| Principal Financial Group Inc | 134,908 | $13.8M | 0.01% | +131,255+3,593.1% | Added |
| Man Group plc | 130,688 | $13.4M | 0.05% | −9,380−6.7% | Reduced |
| Ameriprise Financial Inc | 130,636 | $13.4M | 0.00% | +38,762+42.2% | Added |
| Wells Fargo & Company | 127,263 | $13.0M | 0.00% | −52,775−29.3% | Reduced |
| JPMorgan Chase & Co | 126,044 | $12.9M | 0.00% | +6,736+5.6% | Added |
| Virginia Retirement Systems Et Al | 122,300 | $12.5M | 0.13% | −50,800−29.3% | Reduced |
| UBS Asset Management Americas Inc | 121,499 | $12.5M | 0.01% | +60,410+98.9% | Added |
| Korea Investment CORP | 121,265 | $12.4M | 0.04% | +106,215+705.7% | Added |
| Balyasny Asset Management LLC | 117,460 | $12.0M | 0.04% | +29,927+34.2% | Added |
| Fort Pitt Capital Group, LLC | 111,360 | $11.4M | 0.47% | −19,623−15.0% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 109,891 | $11.3M | 0.01% | −735−0.7% | Reduced |
| Sprott Inc. | 105,000 | $10.8M | 0.96% | 00.0% | Unchanged |
| Rhumbline Advisers | 102,649 | $10.5M | 0.01% | +64,341+168.0% | Added |
| Susquehanna Fundamental Investments, LLC | 94,486 | $9.69M | 0.17% | −21,641−18.6% | Reduced |
| Luminus Management LLC | 90,550 | $9.28M | 2.31% | +90,550 | New |
| Vident Investment Advisory, LLC | 81,562 | $8.36M | 0.32% | +14,154+21.0% | Added |
| Alliancebernstein L.P. | 81,002 | $8.31M | 0.00% | +33,857+71.8% | Added |
| Credit Suisse AG | 79,312 | $8.13M | 0.01% | −56,373−41.5% | Reduced |
| Yaupon Capital Management LP | 76,639 | $7.86M | 1.41% | +52,000+211.0% | Added |
| Winmill & Co. Inc | 70,000 | $7.18M | 2.61% | 00.0% | Unchanged |
| Wedge Capital Management L L P | 66,045 | $6.77M | 0.11% | −2,273−3.3% | Reduced |
| Contravisory Investment Management, Inc. | 65,760 | $6.74M | 1.87% | +776+1.2% | Added |
| D. E. Shaw & Co., Inc. | 61,016 | $6.26M | 0.01% | +8,434+16.0% | Added |
| Ensign Peak Advisors, Inc | 60,683 | $6.22M | 0.01% | +9,808+19.3% | Added |
| California State Teachers Retirement System | 58,948 | $6.04M | 0.01% | −4,018−6.4% | Reduced |
| Amundi | 53,297 | $5.96M | 0.00% | −100,478−65.3% | Reduced |
| American International Group, Inc. | 53,616 | $5.50M | 0.04% | +53,270+15,396.0% | Added |
| Envestnet Asset Management Inc | 52,312 | $5.36M | 0.00% | +4,225+8.8% | Added |
| STRS Ohio | 50,904 | $5.22M | 0.02% | +958+1.9% | Added |
| Wellington Management Group LLP | 46,347 | $4.75M | 0.00% | −1,646−3.4% | Reduced |
| Acadian Asset Management LLC | 45,881 | $4.70M | 0.02% | −375,635−89.1% | Reduced |
| Brookfield Asset Management Inc. | 45,676 | $4.68M | 0.02% | +45,676 | New |
| Retirement Systems of Alabama | 45,386 | $4.65M | 0.02% | +45,386 | New |
| Squarepoint Ops LLC | 41,095 | $4.21M | 0.03% | −35,851−46.6% | Reduced |
| Empowered Funds, LLC | 41,075 | $4.21M | 0.28% | −2,113−4.9% | Reduced |
| Ambassador Advisors, LLC | 39,150 | $4.01M | 0.87% | −2,593−6.2% | Reduced |
| Panagora Asset Management Inc | 38,476 | $3.95M | 0.03% | −98,761−72.0% | Reduced |
| State of Tennessee, Treasury Department | 37,266 | $3.82M | 0.02% | 00.0% | Unchanged |
| Smith, Graham & Co., Investment Advisors, LP | 36,919 | $3.79M | 0.46% | −765−2.0% | Reduced |
| State Board of Administration of Florida Retirement System | 36,733 | $3.77M | 0.01% | +940+2.6% | Added |
| Barclays PLC | 36,391 | $3.73M | 0.00% | −208,375−85.1% | Reduced |
| New York State Common Retirement Fund | 36,303 | $3.72M | 0.01% | −812−2.2% | Reduced |
| Alyeska Investment Group, L.P. | 35,400 | $3.63M | 0.04% | +35,400 | New |
| Aviva PLC | 35,015 | $3.59M | 0.02% | +30,414+661.0% | Added |
| O'Shaughnessy Asset Management, LLC | 34,999 | $3.59M | 0.06% | +34,999 | New |
| Clark Estates Inc | 34,600 | $3.55M | 0.74% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 33,716 | $3.46M | 0.26% | +14,594+76.3% | Added |
| BNP Paribas Arbitrage, SA | 32,439 | $3.33M | 0.01% | −86,920−72.8% | Reduced |
| Prudential Financial Inc | 31,856 | $3.27M | 0.01% | −68,877−68.4% | Reduced |
| Hussman Strategic Advisors, Inc. | 31,000 | $3.18M | 0.52% | 00.0% | Unchanged |
| Great West Life Assurance Co | 29,392 | $3.02M | 0.01% | +19,744+204.6% | Added |
| Manufacturers Life Insurance Company, The | 29,139 | $2.99M | 0.00% | +26,613+1,053.6% | Added |
| Swedbank AB | 28,953 | $2.97M | 0.01% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 28,926 | $2.97M | 0.01% | +3,809+15.2% | Added |
| State of Alaska, Department of Revenue | 28,734 | $2.95M | 0.04% | +5,980+26.3% | Added |
| Mutual of America Capital Management LLC | 28,267 | $2.90M | 0.04% | +28,267 | New |
| Price T Rowe Associates Inc | 26,972 | $2.77M | 0.00% | −337−1.2% | Reduced |
| Royal Bank of Canada | 26,675 | $2.73M | 0.00% | −968−3.5% | Reduced |
| LPL Financial LLC | 26,313 | $2.70M | 0.00% | +134+0.5% | Added |
| Deutsche Bank AG | 25,778 | $2.64M | 0.00% | −17,691−40.7% | Reduced |
| Amalgamated Bank | 25,743 | $2.64M | 0.02% | +21,855+562.1% | Added |
| Citigroup Inc | 23,721 | $2.43M | 0.00% | −35,316−59.8% | Reduced |
| Texas Permanent School Fund | 23,150 | $2.37M | 0.04% | +23,150 | New |