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 2023
Institutional positions in Westlake Corp as of Jun 30, 2023. 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
- 340
- −1 vs. Q1 2023
- Shares held
- 37.0M
- −1.34M (−3.5%) vs. Q1 2023
- Total value
- $4.42B
- +$15.4M (+0.4%) vs. Q1 2023
- New holders
- 45
- 104 more added
- Sold out
- 46
- 128 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 4,534,823 | $541.8M | 0.05% | +310,182+7.3% | Added |
| BlackRock Inc. | 3,803,250 | $454.4M | 0.01% | +236,332+6.6% | Added |
| Vanguard Group Inc | 3,449,521 | $412.1M | 0.01% | −12,231−0.4% | Reduced |
| Victory Capital Management Inc | 3,405,575 | $406.9M | 0.45% | +84,846+2.6% | Added |
| Orbis Allan Gray Ltd | 2,915,029 | $348.3M | 2.49% | +853,129+41.4% | Added |
| Dimensional Fund Advisors LP | 1,251,871 | $149.6M | 0.05% | −218,579−14.9% | Reduced |
| State Street Corp | 1,164,284 | $139.1M | 0.01% | +20,212+1.8% | Added |
| Pacer Advisors, Inc. | 1,161,141 | $138.7M | 0.56% | −26,253−2.2% | Reduced |
| Soroban Capital Partners LP | 898,837 | $107.4M | 1.45% | −454,024−33.6% | Reduced |
| Citadel Advisors LLC | 833,349 | $99.6M | 0.11% | −393,027−32.0% | Reduced |
| Goldman Sachs Group Inc | 776,556 | $92.8M | 0.02% | +39,115+5.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 619,009 | $74.0M | 0.16% | +50,434+8.9% | Added |
| Nuveen Asset Management, LLC | 521,129 | $62.3M | 0.02% | −29,530−5.4% | Reduced |
| First Trust Advisors LP | 520,211 | $62.1M | 0.07% | −505,031−49.3% | Reduced |
| Geode Capital Management, LLC | 486,009 | $58.0M | 0.01% | +15,543+3.3% | Added |
| Federated Hermes, Inc. | 477,144 | $57.0M | 0.14% | −1790.0% | Reduced |
| Bank of New York Mellon Corp | 403,091 | $48.2M | 0.01% | −13,301−3.2% | Reduced |
| Norges Bank | 365,931 | $43.7M | 0.01% | +33,649+10.1% | Added |
| Charles Schwab Investment Management Inc | 353,055 | $42.2M | 0.01% | +8,255+2.4% | Added |
| Allspring Global Investments Holdings, LLC | 342,923 | $41.0M | 0.07% | −760−0.2% | Reduced |
| Northern Trust Corp | 316,487 | $37.8M | 0.01% | +13,173+4.3% | Added |
| Morgan Stanley | 313,786 | $37.5M | 0.00% | −18,112−5.5% | Reduced |
| AQR Capital Management LLC | 292,773 | $34.7M | 0.07% | −176,709−37.6% | Reduced |
| ProShare Advisors LLC | 290,185 | $34.7M | 0.10% | −22,454−7.2% | Reduced |
| Robotti Robert | 228,359 | $27.3M | 4.41% | −857−0.4% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 225,522 | $26.9M | 0.12% | −11,178−4.7% | Reduced |
| Legal & General Group Plc | 216,550 | $25.9M | 0.01% | −10,855−4.8% | Reduced |
| Invesco Ltd. | 194,996 | $23.3M | 0.01% | −56,312−22.4% | Reduced |
| Key Group Holdings (Cayman), Ltd. | 180,000 | $21.5M | 1.52% | +125,000+227.3% | Added |
| Erste Asset Management GmbH | 163,370 | $19.5M | 0.34% | −181−0.1% | Reduced |
| Storebrand Asset Management AS | 153,447 | $18.3M | 0.08% | −2,240−1.4% | Reduced |
| Guggenheim Capital LLC | 146,996 | $17.6M | 0.14% | +7,434+5.3% | Added |
| Janus Henderson Group PLC | 146,574 | $17.5M | 0.01% | −49,055−25.1% | Reduced |
| Scout Investments, Inc. | 130,147 | $17.4M | 0.35% | −14,555−10.1% | Reduced |
| Swiss National Bank | 137,800 | $16.5M | 0.01% | −13,900−9.2% | Reduced |
| American Century Companies Inc | 134,170 | $16.0M | 0.01% | −27,867−17.2% | Reduced |
| Ameriprise Financial Inc | 130,603 | $15.6M | 0.00% | −1,156−0.9% | Reduced |
| Principal Financial Group Inc | 129,251 | $15.4M | 0.01% | −6,885−5.1% | Reduced |
| UBS Asset Management Americas Inc | 128,242 | $14.9M | 0.01% | 00.0% | Unchanged |
| Luminus Management LLC | 121,649 | $14.5M | 4.37% | +3,049+2.6% | Added |
| Yaupon Capital Management LP | 120,201 | $14.4M | 1.94% | +120,201 | New |
| Caisse de Depot Et Placement du Quebec | 104,530 | $12.5M | 0.03% | −156,382−59.9% | Reduced |
| Rhumbline Advisers | 102,838 | $12.3M | 0.01% | +970+1.0% | Added |
| Virginia Retirement Systems Et Al | 102,561 | $12.3M | 0.12% | +200+0.2% | Added |
| Bank of America Corp | 100,417 | $12.0M | 0.00% | −42,571−29.8% | Reduced |
| Sprott Inc. | 100,000 | $11.9M | 1.09% | −5,000−4.8% | Reduced |
| ExodusPoint Capital Management, LP | 98,350 | $11.8M | 0.14% | +95,804+3,762.9% | Added |
| Wells Fargo & Company | 97,489 | $11.6M | 0.00% | −15,060−13.4% | Reduced |
| JPMorgan Chase & Co | 96,588 | $11.5M | 0.00% | −9,028−8.5% | Reduced |
| Tudor Investment Corp Et Al | 95,988 | $11.5M | 0.19% | +58,744+157.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 91,204 | $10.9M | 0.01% | −22,300−19.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 89,272 | $10.7M | 0.39% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 86,796 | $10.4M | 0.01% | −38,010−30.5% | Reduced |
| Alliancebernstein L.P. | 78,511 | $9.38M | 0.00% | −952−1.2% | Reduced |
| Moran Wealth Management, LLC | 78,054 | $9.33M | 0.35% | +3,150+4.2% | Added |
| Alyeska Investment Group, L.P. | 76,067 | $9.09M | 0.07% | +26,990+55.0% | Added |
| Wedge Capital Management L L P | 72,622 | $8.68M | 0.14% | +19,307+36.2% | Added |
| Vident Investment Advisory, LLC | 71,646 | $8.56M | 0.29% | −3,696−4.9% | Reduced |
| Aviva PLC | 71,578 | $8.55M | 0.03% | +46,845+189.4% | Added |
| Winmill & Co. Inc | 70,000 | $8.36M | 2.99% | 00.0% | Unchanged |
| Contravisory Investment Management, Inc. | 66,410 | $7.93M | 2.10% | +1,694+2.6% | Added |
| UBS Group AG | 64,725 | $7.73M | 0.00% | +52,179+415.9% | Added |
| Credit Suisse AG | 62,873 | $7.51M | 0.01% | +6,679+11.9% | Added |
| Cerity Partners LLC | 61,440 | $7.34M | 0.03% | −452−0.7% | Reduced |
| California State Teachers Retirement System | 56,948 | $6.80M | 0.01% | −1,355−2.3% | Reduced |
| Polar Asset Management Partners Inc. | 56,500 | $6.75M | 0.13% | +56,500 | New |
| Gotham Asset Management, LLC | 55,111 | $6.58M | 0.14% | +34,182+163.3% | Added |
| American International Group, Inc. | 51,962 | $6.21M | 0.04% | −1,156−2.2% | Reduced |
| STRS Ohio | 50,693 | $6.06M | 0.03% | +3,593+7.6% | Added |
| Barclays PLC | 50,325 | $6.01M | 0.00% | +17,035+51.2% | Added |
| Citigroup Inc | 45,903 | $5.48M | 0.01% | +24,217+111.7% | Added |
| Envestnet Asset Management Inc | 45,230 | $5.40M | 0.00% | −508,856−91.8% | Reduced |
| Retirement Systems of Alabama | 44,413 | $5.31M | 0.02% | −581−1.3% | Reduced |
| Squarepoint Ops LLC | 43,048 | $5.14M | 0.03% | +20,719+92.8% | Added |
| Amundi | 42,459 | $5.11M | 0.00% | +11,483+37.1% | Added |
| Pinebridge Investments, L.P. | 37,833 | $4.52M | 0.05% | +15,137+66.7% | Added |
| Price T Rowe Associates Inc | 36,616 | $4.38M | 0.00% | +9,349+34.3% | Added |
| Wellington Management Group LLP | 36,611 | $4.37M | 0.00% | +7,855+27.3% | Added |
| Fort Pitt Capital Group, LLC | 36,392 | $4.35M | 0.16% | −11,147−23.4% | Reduced |
| Smith, Graham & Co., Investment Advisors, LP | 35,675 | $4.26M | 0.52% | −350−1.0% | Reduced |
| Occudo Quantitative Strategies LP | 35,337 | $4.22M | 0.44% | +29,576+513.4% | Added |
| State of Wisconsin Investment Board | 34,751 | $4.15M | 0.01% | −4,231−10.9% | Reduced |
| Ambassador Advisors, LLC | 30,698 | $4.06M | 0.94% | −852−2.7% | Reduced |
| Quantinno Capital Management LP | 33,456 | $4.00M | 0.23% | +1,135+3.5% | Added |
| Ensign Peak Advisors, Inc | 33,040 | $3.95M | 0.01% | −32,510−49.6% | Reduced |
| State of Tennessee, Treasury Department | 32,584 | $3.89M | 0.02% | −2,398−6.9% | Reduced |
| State Board of Administration of Florida Retirement System | 32,554 | $3.89M | 0.01% | −1,599−4.7% | Reduced |
| California Public Employees Retirement System | 32,544 | $3.89M | 0.00% | +12,080+59.0% | Added |
| Raymond James & Associates | 31,674 | $3.78M | 0.00% | +19,270+155.4% | Added |
| HSBC Holdings PLC | 31,621 | $3.78M | 0.00% | +19,210+154.8% | Added |
| New York State Common Retirement Fund | 31,271 | $3.74M | 0.00% | −2,223−6.6% | Reduced |
| BNP Paribas Arbitrage, SA | 30,670 | $3.66M | 0.01% | −11,337−27.0% | Reduced |
| Royal Bank of Canada | 30,614 | $3.66M | 0.00% | +1,441+4.9% | Added |
| Texas Permanent School Fund | 30,344 | $3.63M | 0.03% | −538−1.7% | Reduced |
| Deutsche Bank AG | 29,587 | $3.53M | 0.00% | +1,461+5.2% | Added |
| Clark Estates Inc | 28,600 | $3.42M | 0.58% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 28,208 | $3.37M | 0.04% | −471−1.6% | Reduced |
| Worldquant Millennium Advisors LLC | 27,712 | $3.31M | 0.06% | +27,712 | New |
| LPL Financial LLC | 27,449 | $3.28M | 0.00% | +2,159+8.5% | Added |
| Manufacturers Life Insurance Company, The | 27,036 | $3.23M | 0.00% | −965−3.4% | Reduced |