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 2021
Institutional positions in Westlake Corp as of Jun 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
- 276
- +40 vs. Q1 2021
- Shares held
- 33.5M
- −1.18M (−3.4%) vs. Q1 2021
- Total value
- $3.02B
- −$61.6M (−2.0%) vs. Q1 2021
- New holders
- 61
- 90 more added
- Sold out
- 21
- 73 more reduced
4 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 4,148 | $374.0K | 0.00% | +4,148 | New |
| Investors Research Corp | 4,200 | $378.0K | 0.13% | 00.0% | Unchanged |
| Keybank National Association | 4,514 | $407.0K | 0.00% | −1,178−20.7% | Reduced |
| CIBC Asset Management Inc | 4,819 | $434.0K | 0.00% | +9+0.2% | Added |
| Illinois Municipal Retirement Fund | 4,888 | $440.0K | 0.02% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 4,952 | $446.0K | 0.00% | −300−5.7% | Reduced |
| Cinctive Capital Management LP | 5,000 | $450.0K | 0.02% | +5,000 | New |
| Teacher Retirement System of Texas | 5,028 | $453.0K | 0.00% | +750+17.5% | Added |
| Comerica Bank | 5,759 | $466.0K | 0.00% | −166−2.8% | Reduced |
| Federated Hermes, Inc. | 5,210 | $469.0K | 0.00% | +5,210 | New |
| Mackenzie Financial Corp | 5,300 | $477.0K | 0.00% | +5,300 | New |
| Krane Funds Advisors LLC | 5,347 | $482.0K | 0.01% | +443+9.0% | Added |
| Sciencast Management LP | 5,387 | $483.0K | 0.10% | +5,387 | New |
| Y-Intercept (Hong Kong) Ltd | 5,471 | $493.0K | 0.13% | +5,471 | New |
| Walleye Trading LLC | 5,499 | $495.0K | 0.01% | +5,499 | New |
| Winton Group Ltd | 5,511 | $496.0K | 0.03% | −341−5.8% | Reduced |
| Hillsdale Investment Management Inc. | 5,800 | $522.0K | 0.04% | +5,800 | New |
| Susquehanna International Group, LLP | 5,813 | $524.0K | 0.00% | +59+1.0% | Added |
| Wolverine Asset Management LLC | 6,025 | $542.0K | 0.01% | +6,025 | New |
| Handelsbanken Fonder AB | 6,200 | $559.0K | 0.00% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 6,243 | $562.0K | 0.01% | −194−3.0% | Reduced |
| Aviva PLC | 6,272 | $565.0K | 0.00% | −560−8.2% | Reduced |
| Utah Retirement Systems | 6,588 | $593.0K | 0.01% | 00.0% | Unchanged |
| USS Investment Management Ltd | 6,633 | $598.0K | 0.00% | 00.0% | Unchanged |
| Pettee Investors, Inc. | 6,711 | $605.0K | 0.28% | 00.0% | Unchanged |
| Voya Investment Management LLC | 6,770 | $610.0K | 0.00% | +1,926+39.8% | Added |
| Recurrent Investment Advisors LLC | 6,784 | $611.0K | 0.31% | 00.0% | Unchanged |
| LPL Financial LLC | 6,890 | $621.0K | 0.00% | −245−3.4% | Reduced |
| Meeder Asset Management Inc | 7,412 | $668.0K | 0.03% | +5,557+299.6% | Added |
| Versor Investments LP | 7,743 | $698.0K | 0.02% | +7,743 | New |
| CIBC World Markets Inc. | 8,092 | $729.0K | 0.00% | +276+3.5% | Added |
| Great West Life Assurance Co | 8,271 | $744.0K | 0.00% | −486−5.5% | Reduced |
| Seven Eight Capital, LP | 8,328 | $750.0K | 0.11% | +8,328 | New |
| Kingsview Wealth Management, LLC | 8,252 | $753.0K | 0.04% | +3,662+79.8% | Added |
| Raymond James & Associates | 8,518 | $767.0K | 0.00% | −26,447−75.6% | Reduced |
| AXA S.A. | 8,700 | $784.0K | 0.00% | +8,700 | New |
| Amalgamated Bank | 8,926 | $804.0K | 0.01% | +4,989+126.7% | Added |
| Bowling Portfolio Management LLC | 9,105 | $820.0K | 0.18% | +11+0.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,251 | $833.0K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 9,978 | $899.0K | 0.03% | +5,535+124.6% | Added |
| PDT Partners, LLC | 9,974 | $899.0K | 0.06% | +9,974 | New |
| Tudor Investment Corp Et Al | 10,004 | $901.0K | 0.02% | +10,004 | New |
| Arizona State Retirement System | 10,425 | $939.0K | 0.01% | −729−6.5% | Reduced |
| Knowledge Leaders Capital, LLC | 10,702 | $964.0K | 0.65% | +10,702 | New |
| Walleye Capital LLC | 11,102 | $1.00M | 0.04% | −2,411−17.8% | Reduced |
| Centiva Capital, LP | 11,161 | $1.00M | 0.08% | +11,161 | New |
| Schonfeld Strategic Advisors LLC | 11,200 | $1.01M | 0.01% | −51,129−82.0% | Reduced |
| Treasurer of the State of North Carolina | 11,533 | $1.04M | 0.01% | −900−7.2% | Reduced |
| BBVA USA | 12,017 | $1.08M | 0.06% | +12,017 | New |
| Point72 Hong Kong Ltd | 12,446 | $1.12M | 0.08% | +3,962+46.7% | Added |
| Royal London Asset Management Ltd | 13,077 | $1.18M | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 13,269 | $1.20M | 0.02% | +7,920+148.1% | Added |
| HSBC Holdings PLC | 13,473 | $1.21M | 0.00% | −86,265−86.5% | Reduced |
| UBS Group AG | 13,558 | $1.22M | 0.00% | −5,515−28.9% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 13,729 | $1.23M | 0.00% | −1,276−8.5% | Reduced |
| Mercer Global Advisors Inc | 14,782 | $1.33M | 0.01% | +263+1.8% | Added |
| Bradley Foster & Sargent Inc | 15,368 | $1.39M | 0.03% | +2,811+22.4% | Added |
| Capital Fund Management S.A. | 15,658 | $1.41M | 0.04% | −11,985−43.4% | Reduced |
| Marshall Wace, LLP | 15,937 | $1.44M | 0.01% | −105,023−86.8% | Reduced |
| Agf Investments Inc. | 16,312 | $1.47M | 0.01% | +362+2.3% | Added |
| Trexquant Investment LP | 17,788 | $1.60M | 0.14% | +17,788 | New |
| Susquehanna Fundamental Investments, LLC | 17,925 | $1.61M | 0.03% | −11,900−39.9% | Reduced |
| Twinbeech Capital LP | 18,194 | $1.64M | 0.20% | +18,194 | New |
| Quantitative Systematic Strategies LLC | 18,308 | $1.65M | 0.58% | +6,727+58.1% | Added |
| Pendal Group Limited | 18,374 | $1.66M | 0.02% | +7,404+67.5% | Added |
| State of Alaska, Department of Revenue | 19,040 | $1.72M | 0.02% | +6,285+49.3% | Added |
| Gsa Capital Partners LLP | 19,287 | $1.74M | 0.20% | +15,694+436.8% | Added |
| Truist Financial Corp | 20,627 | $1.86M | 0.00% | +3,722+22.0% | Added |
| Twin Capital Management Inc | 21,200 | $1.91M | 0.18% | +21,200 | New |
| Public Employees Retirement System of Ohio | 21,252 | $1.92M | 0.01% | +786+3.8% | Added |
| Voloridge Investment Management, LLC | 21,269 | $1.92M | 0.01% | +21,269 | New |
| Two Sigma Advisers, LP | 22,200 | $2.00M | 0.01% | +6,000+37.0% | Added |
| Engineers Gate Manager LP | 23,299 | $2.10M | 0.13% | +19,099+454.7% | Added |
| Alaska Permanent Fund Corp | 24,000 | $2.16M | 0.04% | +24,000 | New |
| Gotham Asset Management, LLC | 24,230 | $2.18M | 0.09% | +21,665+844.6% | Added |
| State of New Jersey Common Pension Fund D | 24,247 | $2.18M | 0.01% | −3,774−13.5% | Reduced |
| Quadrature Capital Ltd | 25,075 | $2.26M | 0.09% | +25,075 | New |
| Paradigm Capital Management Inc | 25,100 | $2.26M | 0.11% | 00.0% | Unchanged |
| Amundi | 25,639 | $2.31M | 0.00% | +25,639 | New |
| Jane Street Group, LLC | 26,228 | $2.36M | 0.01% | +22,607+624.3% | Added |
| Advisors Asset Management, Inc. | 26,820 | $2.42M | 0.04% | +2,468+10.1% | Added |
| Man Group plc | 26,978 | $2.43M | 0.01% | +22,521+505.3% | Added |
| Zacks Investment Management | 27,657 | $2.49M | 0.04% | +604+2.2% | Added |
| Balyasny Asset Management LLC | 29,038 | $2.62M | 0.01% | −491,547−94.4% | Reduced |
| Envestnet Asset Management Inc | 29,899 | $2.69M | 0.00% | +927+3.2% | Added |
| Wellington Management Group LLP | 30,334 | $2.73M | 0.00% | −1,020−3.3% | Reduced |
| Bank of Montreal | 30,755 | $2.76M | 0.00% | +30,271+6,254.3% | Added |
| New York State Common Retirement Fund | 31,076 | $2.80M | 0.00% | −2,224−6.7% | Reduced |
| Russell Investments Group, Ltd. | 31,259 | $2.81M | 0.00% | +6,590+26.7% | Added |
| DuPont Capital Management Corp | 31,883 | $2.87M | 0.07% | +15,938+100.0% | Added |
| Rhumbline Advisers | 32,628 | $2.94M | 0.00% | −2,954−8.3% | Reduced |
| HRT Financial LP | 34,329 | $3.09M | 0.03% | +34,329 | New |
| Pinebridge Investments, L.P. | 34,915 | $3.15M | 0.04% | +34,915 | New |
| Dynamic Technology Lab Private Ltd | 35,370 | $3.19M | 0.32% | +31,593+836.5% | Added |
| Citigroup Inc | 37,957 | $3.42M | 0.00% | −11,764−23.7% | Reduced |
| Credit Suisse AG | 38,450 | $3.44M | 0.00% | +12,645+49.0% | Added |
| Winmill & Co. Inc | 39,100 | $3.52M | 1.27% | 00.0% | Unchanged |
| Royal Bank of Canada | 39,511 | $3.56M | 0.00% | +2,237+6.0% | Added |
| SEI Investments Co | 40,169 | $3.62M | 0.01% | +21,137+111.1% | Added |
| Assenagon Asset Management S.A. | 41,592 | $3.75M | 0.02% | −1,684,762−97.6% | Reduced |