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, Q1 2022
Institutional positions in Westlake Corp as of Mar 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
- 328
- +32 vs. Q4 2021
- Shares held
- 35.5M
- +880.8K (+2.5%) vs. Q4 2021
- Total value
- $4.38B
- +$1.02B (+30.2%) vs. Q4 2021
- New holders
- 72
- 97 more added
- Sold out
- 40
- 115 more reduced
2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Synovus Financial Corp | 2,579 | $311.0K | 0.00% | −76−2.9% | Reduced |
| Investors Research Corp | 2,550 | $315.0K | 0.09% | −1,650−39.3% | Reduced |
| Kingsview Wealth Management, LLC | 2,578 | $318.1K | 0.01% | +2,578 | New |
| Aaron Wealth Advisors | 39,488 | $320.0K | 0.01% | +39,488 | New |
| Regentatlantic Capital LLC | 2,642 | $326.0K | 0.01% | −167−5.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,702 | $333.0K | 0.00% | +2,702 | New |
| First Republic Investment Management, Inc. | 2,717 | $335.0K | 0.00% | +2,717 | New |
| Paradigm Asset Management Co LLC | 2,800 | $345.5K | 0.09% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 2,807 | $346.4K | 0.00% | +442+18.7% | Added |
| Maryland State Retirement & Pension System | 2,848 | $351.0K | 0.01% | 00.0% | Unchanged |
| Delphia (USA) Inc. | 2,885 | $356.0K | 0.27% | −1,644−36.3% | Reduced |
| New York State Teachers Retirement System | 2,900 | $358.0K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 3,003 | $371.0K | 0.03% | −134−4.3% | Reduced |
| Fractal Investments LLC | 3,021 | $373.0K | 0.11% | −332−9.9% | Reduced |
| Midwest Wealth Management Inc. | 3,023 | $373.0K | 0.23% | +3,023 | New |
| Alpha Square Group S, LLC | 3,270 | $404.0K | 0.05% | +3,270 | New |
| Great West Life Assurance Co | 3,180 | $414.0K | 0.00% | +331+11.6% | Added |
| Wolverine Trading, LLC | 3,332 | $416.0K | 0.01% | +3,332 | New |
| National Asset Management, Inc. | 3,383 | $418.0K | 0.01% | −779−18.7% | Reduced |
| Krane Funds Advisors LLC | 3,482 | $430.0K | 0.02% | −339−8.9% | Reduced |
| Comerica Bank | 3,372 | $439.0K | 0.00% | −1,351−28.6% | Reduced |
| Engineers Gate Manager LP | 3,589 | $443.0K | 0.02% | −4,621−56.3% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 3,677 | $454.0K | 0.02% | −251−6.4% | Reduced |
| State of Alaska, Department of Revenue | 3,696 | $456.0K | 0.00% | +252+7.3% | Added |
| Unison Advisors LLC | 3,720 | $459.0K | 0.11% | +10+0.3% | Added |
| Los Angeles Capital Management LLC | 3,743 | $462.0K | 0.00% | +1,461+64.0% | Added |
| APG Asset Management N.V. | 4,300 | $477.0K | 0.00% | −7,400−63.2% | Reduced |
| Ameritas Investment Partners, Inc. | 3,900 | $481.0K | 0.02% | 00.0% | Unchanged |
| Paloma Partners Management Co | 3,953 | $488.0K | 0.04% | −13,435−77.3% | Reduced |
| Walleye Capital LLC | 3,956 | $488.0K | 0.01% | −2,355−37.3% | Reduced |
| Corton Capital Inc. | 4,130 | $510.0K | 0.22% | −7,514−64.5% | Reduced |
| Advisor Group Holdings, Inc. | 4,166 | $515.0K | 0.00% | +841+25.3% | Added |
| State of Wisconsin Investment Board | 4,215 | $520.0K | 0.00% | +184+4.6% | Added |
| Gsa Capital Partners LLP | 4,275 | $528.0K | 0.07% | −719−14.4% | Reduced |
| Bank of Montreal | 4,357 | $544.0K | 0.00% | −404−8.5% | Reduced |
| BTC Capital Management, Inc. | 4,535 | $560.0K | 0.06% | +169+3.9% | Added |
| Aviva PLC | 4,730 | $584.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 4,797 | $592.0K | 0.00% | −1,578−24.8% | Reduced |
| Illinois Municipal Retirement Fund | 4,888 | $603.0K | 0.02% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 4,918 | $607.0K | 0.02% | −19,385−79.8% | Reduced |
| Kennedy Capital Management, Inc. | 4,972 | $614.0K | 0.01% | −511−9.3% | Reduced |
| Fulcrum Asset Management LLP | – | $621.0K | 0.18% | – | New |
| WBI Investments | 5,067 | $625.0K | 0.10% | +5,067 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,123 | $632.0K | 0.00% | −398−7.2% | Reduced |
| Diversified Trust Co | 5,181 | $639.0K | 0.02% | −4,088−44.1% | Reduced |
| Empirical Finance, LLC | 5,194 | $641.0K | 0.07% | 00.0% | Unchanged |
| HSBC Holdings PLC | 5,241 | $651.0K | 0.00% | −34,364−86.8% | Reduced |
| Public Employees Retirement Association of Colorado | 5,364 | $662.0K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 5,379 | $663.0K | 0.00% | −24,970−82.3% | Reduced |
| Algert Global LLC | 5,561 | $686.0K | 0.04% | +1,791+47.5% | Added |
| CIBC Asset Management Inc | 5,571 | $687.0K | 0.00% | +8+0.1% | Added |
| Tudor Investment Corp Et Al | 5,599 | $691.0K | 0.02% | −56,938−91.0% | Reduced |
| Captrust Financial Advisors | 5,624 | $694.0K | 0.00% | +4,823+602.1% | Added |
| Tower Research Capital LLC (TRC) | 5,792 | $714.0K | 0.01% | +3,458+148.2% | Added |
| SevenOneSeven Capital Management | 5,844 | $721.0K | 1.49% | −67−1.1% | Reduced |
| Donald L. Hagan, LLC | 5,974 | $737.0K | 0.41% | +5,974 | New |
| Utah Retirement Systems | 5,988 | $739.0K | 0.01% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 5,990 | $740.0K | 0.02% | +940+18.6% | Added |
| Centiva Capital, LP | 6,069 | $749.0K | 0.04% | +6,069 | New |
| Handelsbanken Fonder AB | 6,200 | $765.0K | 0.00% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 6,357 | $784.0K | 0.04% | −4,747−42.8% | Reduced |
| Amalgamated Bank | 6,372 | $786.0K | 0.01% | +58+0.9% | Added |
| Amalgamated Financial Corp. | 6,372 | $786.0K | 0.01% | +6,372 | New |
| Schonfeld Strategic Advisors LLC | 6,428 | $793.0K | 0.01% | −244,384−97.4% | Reduced |
| Sagefield Capital LP | 6,522 | $805.0K | 0.35% | −2,010−23.6% | Reduced |
| Pettee Investors, Inc. | 6,711 | $828.0K | 0.36% | 00.0% | Unchanged |
| Versor Investments LP | 7,093 | $875.0K | 0.03% | +2,182+44.4% | Added |
| Voya Investment Management LLC | 7,103 | $877.0K | 0.00% | −77−1.1% | Reduced |
| JustInvest LLC | 7,294 | $900.0K | 0.04% | +857+13.3% | Added |
| Mirabella Financial Services LLP | 7,591 | $936.0K | 0.11% | +7,591 | New |
| Winton Group Ltd | 7,676 | $947.0K | 0.05% | +7,676 | New |
| Teacher Retirement System of Texas | 7,821 | $965.0K | 0.00% | +400+5.4% | Added |
| Recurrent Investment Advisors LLC | 7,925 | $978.0K | 0.31% | +1,141+16.8% | Added |
| L2 Asset Management, LLC | 7,926 | $978.0K | 0.61% | +7,926 | New |
| Quantinno Capital Management LP | 8,066 | $995.0K | 0.15% | +975+13.7% | Added |
| American Century Companies Inc | 8,102 | $1.00M | 0.00% | +1,553+23.7% | Added |
| FORA Capital, LLC | 8,057 | $1.00M | 0.18% | +8,057 | New |
| Occudo Quantitative Strategies LP | 8,339 | $1.03M | 0.09% | −1,723−17.1% | Reduced |
| CWM Advisors, LLC | 8,761 | $1.08M | 0.13% | +852+10.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,251 | $1.14M | 0.00% | 00.0% | Unchanged |
| Bowling Portfolio Management LLC | 9,283 | $1.15M | 0.25% | −92−1.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 9,313 | $1.15M | 0.00% | +6,549+236.9% | Added |
| PDT Partners, LLC | 9,443 | $1.17M | 0.10% | +86+0.9% | Added |
| Centaurus Financial, Inc. | 9,724 | $1.20M | 0.09% | +154+1.6% | Added |
| Edgestream Partners, L.P. | 9,852 | $1.22M | 0.10% | +9,852 | New |
| Jade Capital Advisors, LLC | 10,000 | $1.23M | 0.83% | +10,000 | New |
| Bradley Foster & Sargent Inc | 10,116 | $1.25M | 0.03% | 00.0% | Unchanged |
| Martingale Asset Management L P | 10,190 | $1.26M | 0.02% | +10,190 | New |
| Arizona State Retirement System | 10,366 | $1.28M | 0.01% | +19+0.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 10,376 | $1.28M | 0.00% | −700−6.3% | Reduced |
| Neuberger Berman Group LLC | 10,424 | $1.29M | 0.00% | +10,424 | New |
| Horizon Investment Services, LLC | 10,471 | $1.29M | 0.68% | +10,471 | New |
| Mercer Global Advisors Inc | 10,479 | $1.29M | 0.01% | +852+8.9% | Added |
| Bokf, NA | 11,333 | $1.40M | 0.02% | −1,161−9.3% | Reduced |
| Graham Capital Management, L.P. | 11,494 | $1.42M | 0.06% | +6,878+149.0% | Added |
| Arrowstreet Capital, Limited Partnership | 11,686 | $1.44M | 0.00% | −62,044−84.2% | Reduced |
| SIR Capital Management, L.P. | 12,000 | $1.48M | 0.26% | −14,429−54.6% | Reduced |
| HN Saltoro Capital, LP | 12,000 | $1.48M | 1.55% | +12,000 | New |
| Treasurer of the State of North Carolina | 12,217 | $1.51M | 0.01% | +195+1.6% | Added |
| Principal Financial Group Inc | 12,312 | $1.52M | 0.00% | +9,743+379.3% | Added |