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 |
|---|---|---|---|---|---|
| State of New Jersey Common Pension Fund D | 24,247 | $2.18M | 0.01% | −3,774−13.5% | Reduced |
| Gotham Asset Management, LLC | 24,230 | $2.18M | 0.09% | +21,665+844.6% | Added |
| Alaska Permanent Fund Corp | 24,000 | $2.16M | 0.04% | +24,000 | New |
| Engineers Gate Manager LP | 23,299 | $2.10M | 0.13% | +19,099+454.7% | Added |
| Two Sigma Advisers, LP | 22,200 | $2.00M | 0.01% | +6,000+37.0% | Added |
| Voloridge Investment Management, LLC | 21,269 | $1.92M | 0.01% | +21,269 | New |
| Public Employees Retirement System of Ohio | 21,252 | $1.92M | 0.01% | +786+3.8% | Added |
| Twin Capital Management Inc | 21,200 | $1.91M | 0.18% | +21,200 | New |
| Truist Financial Corp | 20,627 | $1.86M | 0.00% | +3,722+22.0% | Added |
| Gsa Capital Partners LLP | 19,287 | $1.74M | 0.20% | +15,694+436.8% | Added |
| State of Alaska, Department of Revenue | 19,040 | $1.72M | 0.02% | +6,285+49.3% | Added |
| Pendal Group Limited | 18,374 | $1.66M | 0.02% | +7,404+67.5% | Added |
| Quantitative Systematic Strategies LLC | 18,308 | $1.65M | 0.58% | +6,727+58.1% | Added |
| Twinbeech Capital LP | 18,194 | $1.64M | 0.20% | +18,194 | New |
| Susquehanna Fundamental Investments, LLC | 17,925 | $1.61M | 0.03% | −11,900−39.9% | Reduced |
| Trexquant Investment LP | 17,788 | $1.60M | 0.14% | +17,788 | New |
| Agf Investments Inc. | 16,312 | $1.47M | 0.01% | +362+2.3% | Added |
| Marshall Wace, LLP | 15,937 | $1.44M | 0.01% | −105,023−86.8% | Reduced |
| Capital Fund Management S.A. | 15,658 | $1.41M | 0.04% | −11,985−43.4% | Reduced |
| Bradley Foster & Sargent Inc | 15,368 | $1.39M | 0.03% | +2,811+22.4% | Added |
| Mercer Global Advisors Inc | 14,782 | $1.33M | 0.01% | +263+1.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 13,729 | $1.23M | 0.00% | −1,276−8.5% | Reduced |
| UBS Group AG | 13,558 | $1.22M | 0.00% | −5,515−28.9% | Reduced |
| HSBC Holdings PLC | 13,473 | $1.21M | 0.00% | −86,265−86.5% | Reduced |
| Verition Fund Management LLC | 13,269 | $1.20M | 0.02% | +7,920+148.1% | Added |
| Royal London Asset Management Ltd | 13,077 | $1.18M | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 12,446 | $1.12M | 0.08% | +3,962+46.7% | Added |
| BBVA USA | 12,017 | $1.08M | 0.06% | +12,017 | New |
| Treasurer of the State of North Carolina | 11,533 | $1.04M | 0.01% | −900−7.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 11,200 | $1.01M | 0.01% | −51,129−82.0% | Reduced |
| Centiva Capital, LP | 11,161 | $1.00M | 0.08% | +11,161 | New |
| Walleye Capital LLC | 11,102 | $1.00M | 0.04% | −2,411−17.8% | Reduced |
| Knowledge Leaders Capital, LLC | 10,702 | $964.0K | 0.65% | +10,702 | New |
| Arizona State Retirement System | 10,425 | $939.0K | 0.01% | −729−6.5% | Reduced |
| Tudor Investment Corp Et Al | 10,004 | $901.0K | 0.02% | +10,004 | New |
| 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 |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,251 | $833.0K | 0.00% | 00.0% | Unchanged |
| Bowling Portfolio Management LLC | 9,105 | $820.0K | 0.18% | +11+0.1% | Added |
| Amalgamated Bank | 8,926 | $804.0K | 0.01% | +4,989+126.7% | Added |
| AXA S.A. | 8,700 | $784.0K | 0.00% | +8,700 | New |
| Raymond James & Associates | 8,518 | $767.0K | 0.00% | −26,447−75.6% | Reduced |
| Kingsview Wealth Management, LLC | 8,252 | $753.0K | 0.04% | +3,662+79.8% | Added |
| Seven Eight Capital, LP | 8,328 | $750.0K | 0.11% | +8,328 | New |
| Great West Life Assurance Co | 8,271 | $744.0K | 0.00% | −486−5.5% | Reduced |
| CIBC World Markets Inc. | 8,092 | $729.0K | 0.00% | +276+3.5% | Added |
| Versor Investments LP | 7,743 | $698.0K | 0.02% | +7,743 | New |
| Meeder Asset Management Inc | 7,412 | $668.0K | 0.03% | +5,557+299.6% | Added |
| LPL Financial LLC | 6,890 | $621.0K | 0.00% | −245−3.4% | Reduced |
| Recurrent Investment Advisors LLC | 6,784 | $611.0K | 0.31% | 00.0% | Unchanged |
| Voya Investment Management LLC | 6,770 | $610.0K | 0.00% | +1,926+39.8% | Added |
| Pettee Investors, Inc. | 6,711 | $605.0K | 0.28% | 00.0% | Unchanged |
| USS Investment Management Ltd | 6,633 | $598.0K | 0.00% | 00.0% | Unchanged |
| Utah Retirement Systems | 6,588 | $593.0K | 0.01% | 00.0% | Unchanged |
| Aviva PLC | 6,272 | $565.0K | 0.00% | −560−8.2% | Reduced |
| Kennedy Capital Management, Inc. | 6,243 | $562.0K | 0.01% | −194−3.0% | Reduced |
| Handelsbanken Fonder AB | 6,200 | $559.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 6,025 | $542.0K | 0.01% | +6,025 | New |
| Susquehanna International Group, LLP | 5,813 | $524.0K | 0.00% | +59+1.0% | Added |
| Hillsdale Investment Management Inc. | 5,800 | $522.0K | 0.04% | +5,800 | New |
| Winton Group Ltd | 5,511 | $496.0K | 0.03% | −341−5.8% | Reduced |
| Walleye Trading LLC | 5,499 | $495.0K | 0.01% | +5,499 | New |
| Y-Intercept (Hong Kong) Ltd | 5,471 | $493.0K | 0.13% | +5,471 | New |
| Sciencast Management LP | 5,387 | $483.0K | 0.10% | +5,387 | New |
| Krane Funds Advisors LLC | 5,347 | $482.0K | 0.01% | +443+9.0% | Added |
| Mackenzie Financial Corp | 5,300 | $477.0K | 0.00% | +5,300 | New |
| Federated Hermes, Inc. | 5,210 | $469.0K | 0.00% | +5,210 | New |
| Comerica Bank | 5,759 | $466.0K | 0.00% | −166−2.8% | Reduced |
| Teacher Retirement System of Texas | 5,028 | $453.0K | 0.00% | +750+17.5% | Added |
| Cinctive Capital Management LP | 5,000 | $450.0K | 0.02% | +5,000 | New |
| Los Angeles Capital Management LLC | 4,952 | $446.0K | 0.00% | −300−5.7% | Reduced |
| Illinois Municipal Retirement Fund | 4,888 | $440.0K | 0.02% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 4,819 | $434.0K | 0.00% | +9+0.2% | Added |
| Keybank National Association | 4,514 | $407.0K | 0.00% | −1,178−20.7% | Reduced |
| Investors Research Corp | 4,200 | $378.0K | 0.13% | 00.0% | Unchanged |
| Magnetar Financial LLC | 4,148 | $374.0K | 0.00% | +4,148 | New |
| Pearl River Capital, LLC | 3,995 | $360.0K | 0.10% | +3,995 | New |
| Synovus Financial Corp | 4,015 | $359.0K | 0.00% | +4,015 | New |
| State of Wisconsin Investment Board | 3,956 | $356.0K | 0.00% | −343−8.0% | Reduced |
| Ameritas Investment Partners, Inc. | 3,900 | $351.0K | 0.01% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 3,716 | $335.0K | 0.05% | +3,716 | New |
| Unison Advisors LLC | 3,689 | $332.0K | 0.06% | +10+0.3% | Added |
| American Century Companies Inc | 3,652 | $329.0K | 0.00% | +968+36.1% | Added |
| SG Americas Securities, LLC | 3,632 | $327.0K | 0.00% | −382−9.5% | Reduced |
| Paradigm Asset Management Co LLC | 3,600 | $324.3K | 0.08% | −200−5.3% | Reduced |
| Blueshift Asset Management, LLC | 3,516 | $317.0K | 0.02% | −10,133−74.2% | Reduced |
| Ci Investments Inc. | 3,481 | $314.0K | 0.00% | +1,341+62.7% | Added |
| Fox Run Management, L.L.C. | 3,353 | $302.0K | 0.27% | +3,353 | New |
| Raymond James Financial Services Advisors, Inc. | 3,320 | $299.0K | 0.00% | +3,320 | New |
| Petrus Trust Company, LTA | 3,137 | $283.0K | 0.03% | +3,137 | New |
| BNP Paribas Arbitrage, SA | 3,123 | $281.4K | 0.00% | +427+15.8% | Added |
| Advisor Group Holdings, Inc. | 3,043 | $275.0K | 0.00% | −12,692−80.7% | Reduced |
| Regentatlantic Capital LLC | 3,002 | $270.0K | 0.01% | 00.0% | Unchanged |
| Bourgeon Capital Management LLC | 3,000 | $270.0K | 0.06% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,000 | $270.0K | 0.00% | +3,000 | New |
| Teza Capital Management LLC | 2,961 | $267.0K | 0.04% | +2,961 | New |
| ProShare Advisors LLC | 2,957 | $266.0K | 0.00% | +2,957 | New |
| New York State Teachers Retirement System | 2,900 | $261.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Ltd | 2,900 | $261.0K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 2,870 | $259.0K | 0.00% | +513+21.8% | Added |