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 |
|---|---|---|---|---|---|
| DuPont Capital Management Corp | 25,410 | $3.14M | 0.13% | −6,165−19.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 25,299 | $3.12M | 0.06% | +9,309+58.2% | Added |
| Bank of Nova Scotia | 25,256 | $3.12M | 0.01% | +9,256+57.9% | Added |
| State of New Jersey Common Pension Fund D | 24,899 | $3.07M | 0.01% | −3,843−13.4% | Reduced |
| Caas Capital Management LP | 24,451 | $3.02M | 0.53% | +24,451 | New |
| Pinebridge Investments, L.P. | 24,199 | $2.99M | 0.03% | −11,435−32.1% | Reduced |
| Alaska Permanent Fund Corp | 24,000 | $2.96M | 0.05% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 23,416 | $2.89M | 0.01% | +23,416 | New |
| Renaissance Technologies LLC | 22,700 | $2.80M | 0.00% | −158,300−87.5% | Reduced |
| Twin Capital Management Inc | 21,640 | $2.67M | 0.29% | +2,920+15.6% | Added |
| Wilen Investment Management Corp. | 21,532 | $2.65M | 2.00% | +1,000+4.9% | Added |
| LPL Financial LLC | 21,173 | $2.61M | 0.00% | +13,289+168.6% | Added |
| Jane Street Group, LLC | 21,178 | $2.61M | 0.00% | +14,770+230.5% | Added |
| UBS Group AG | 20,943 | $2.58M | 0.00% | +4,962+31.0% | Added |
| AXA S.A. | 20,700 | $2.55M | 0.01% | −11,800−36.3% | Reduced |
| Public Employees Retirement System of Ohio | 19,629 | $2.42M | 0.01% | −662−3.3% | Reduced |
| HighTower Advisors, LLC | 19,360 | $2.40M | 0.01% | +17,151+776.4% | Added |
| Cinctive Capital Management LP | 19,289 | $2.38M | 0.11% | +10,747+125.8% | Added |
| Truist Financial Corp | 17,496 | $2.16M | 0.00% | −751−4.1% | Reduced |
| Agf Investments Inc. | 17,185 | $2.12M | 0.02% | 00.0% | Unchanged |
| Raymond James & Associates | 16,608 | $2.05M | 0.00% | +503+3.1% | Added |
| National Bank of Canada | 16,305 | $2.01M | 0.01% | +16,000+5,245.9% | Added |
| Appian Way Asset Management LP | 16,000 | $1.97M | 0.90% | +16,000 | New |
| Paradigm Capital Management Inc | 15,950 | $1.97M | 0.11% | −9,150−36.5% | Reduced |
| Lazard Asset Management LLC | 15,341 | $1.89M | 0.00% | −340,846−95.7% | Reduced |
| Blueshift Asset Management, LLC | 14,790 | $1.82M | 0.17% | +14,790 | New |
| V Wealth Advisors LLC | 12,823 | $1.58M | 0.25% | +12,823 | New |
| The PNC Financial Services Group, Inc. | 12,592 | $1.55M | 0.00% | +230+1.9% | Added |
| Principal Financial Group Inc | 12,312 | $1.52M | 0.00% | +9,743+379.3% | Added |
| Treasurer of the State of North Carolina | 12,217 | $1.51M | 0.01% | +195+1.6% | Added |
| 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 |
| Arrowstreet Capital, Limited Partnership | 11,686 | $1.44M | 0.00% | −62,044−84.2% | Reduced |
| Graham Capital Management, L.P. | 11,494 | $1.42M | 0.06% | +6,878+149.0% | Added |
| Bokf, NA | 11,333 | $1.40M | 0.02% | −1,161−9.3% | Reduced |
| Mercer Global Advisors Inc | 10,479 | $1.29M | 0.01% | +852+8.9% | Added |
| Horizon Investment Services, LLC | 10,471 | $1.29M | 0.68% | +10,471 | New |
| Neuberger Berman Group LLC | 10,424 | $1.29M | 0.00% | +10,424 | New |
| Mitsubishi UFJ Trust & Banking Corp | 10,376 | $1.28M | 0.00% | −700−6.3% | Reduced |
| Arizona State Retirement System | 10,366 | $1.28M | 0.01% | +19+0.2% | Added |
| Martingale Asset Management L P | 10,190 | $1.26M | 0.02% | +10,190 | New |
| Bradley Foster & Sargent Inc | 10,116 | $1.25M | 0.03% | 00.0% | Unchanged |
| Jade Capital Advisors, LLC | 10,000 | $1.23M | 0.83% | +10,000 | New |
| Edgestream Partners, L.P. | 9,852 | $1.22M | 0.10% | +9,852 | New |
| Centaurus Financial, Inc. | 9,724 | $1.20M | 0.09% | +154+1.6% | Added |
| PDT Partners, LLC | 9,443 | $1.17M | 0.10% | +86+0.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 9,313 | $1.15M | 0.00% | +6,549+236.9% | Added |
| Bowling Portfolio Management LLC | 9,283 | $1.15M | 0.25% | −92−1.0% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,251 | $1.14M | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 8,761 | $1.08M | 0.13% | +852+10.8% | Added |
| Occudo Quantitative Strategies LP | 8,339 | $1.03M | 0.09% | −1,723−17.1% | Reduced |
| FORA Capital, LLC | 8,057 | $1.00M | 0.18% | +8,057 | New |
| American Century Companies Inc | 8,102 | $1.00M | 0.00% | +1,553+23.7% | Added |
| Quantinno Capital Management LP | 8,066 | $995.0K | 0.15% | +975+13.7% | 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 |
| Teacher Retirement System of Texas | 7,821 | $965.0K | 0.00% | +400+5.4% | Added |
| Winton Group Ltd | 7,676 | $947.0K | 0.05% | +7,676 | New |
| Mirabella Financial Services LLP | 7,591 | $936.0K | 0.11% | +7,591 | New |
| JustInvest LLC | 7,294 | $900.0K | 0.04% | +857+13.3% | Added |
| Voya Investment Management LLC | 7,103 | $877.0K | 0.00% | −77−1.1% | Reduced |
| Versor Investments LP | 7,093 | $875.0K | 0.03% | +2,182+44.4% | Added |
| Pettee Investors, Inc. | 6,711 | $828.0K | 0.36% | 00.0% | Unchanged |
| Sagefield Capital LP | 6,522 | $805.0K | 0.35% | −2,010−23.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 6,428 | $793.0K | 0.01% | −244,384−97.4% | 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 |
| AlphaCrest Capital Management LLC | 6,357 | $784.0K | 0.04% | −4,747−42.8% | Reduced |
| Handelsbanken Fonder AB | 6,200 | $765.0K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 6,069 | $749.0K | 0.04% | +6,069 | New |
| Crossmark Global Holdings, Inc. | 5,990 | $740.0K | 0.02% | +940+18.6% | Added |
| Utah Retirement Systems | 5,988 | $739.0K | 0.01% | 00.0% | Unchanged |
| Donald L. Hagan, LLC | 5,974 | $737.0K | 0.41% | +5,974 | New |
| SevenOneSeven Capital Management | 5,844 | $721.0K | 1.49% | −67−1.1% | Reduced |
| Tower Research Capital LLC (TRC) | 5,792 | $714.0K | 0.01% | +3,458+148.2% | Added |
| Captrust Financial Advisors | 5,624 | $694.0K | 0.00% | +4,823+602.1% | Added |
| Tudor Investment Corp Et Al | 5,599 | $691.0K | 0.02% | −56,938−91.0% | Reduced |
| CIBC Asset Management Inc | 5,571 | $687.0K | 0.00% | +8+0.1% | Added |
| Algert Global LLC | 5,561 | $686.0K | 0.04% | +1,791+47.5% | Added |
| Canada Pension Plan Investment Board | 5,379 | $663.0K | 0.00% | −24,970−82.3% | Reduced |
| Public Employees Retirement Association of Colorado | 5,364 | $662.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 5,241 | $651.0K | 0.00% | −34,364−86.8% | Reduced |
| Empirical Finance, LLC | 5,194 | $641.0K | 0.07% | 00.0% | Unchanged |
| Diversified Trust Co | 5,181 | $639.0K | 0.02% | −4,088−44.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,123 | $632.0K | 0.00% | −398−7.2% | Reduced |
| WBI Investments | 5,067 | $625.0K | 0.10% | +5,067 | New |
| Fulcrum Asset Management LLP | – | $621.0K | 0.18% | – | New |
| Kennedy Capital Management, Inc. | 4,972 | $614.0K | 0.01% | −511−9.3% | Reduced |
| Gotham Asset Management, LLC | 4,918 | $607.0K | 0.02% | −19,385−79.8% | Reduced |
| Illinois Municipal Retirement Fund | 4,888 | $603.0K | 0.02% | 00.0% | Unchanged |
| KBC Group NV | 4,797 | $592.0K | 0.00% | −1,578−24.8% | Reduced |
| Aviva PLC | 4,730 | $584.0K | 0.00% | 00.0% | Unchanged |
| BTC Capital Management, Inc. | 4,535 | $560.0K | 0.06% | +169+3.9% | Added |
| Bank of Montreal | 4,357 | $544.0K | 0.00% | −404−8.5% | Reduced |
| Gsa Capital Partners LLP | 4,275 | $528.0K | 0.07% | −719−14.4% | Reduced |
| State of Wisconsin Investment Board | 4,215 | $520.0K | 0.00% | +184+4.6% | Added |
| Advisor Group Holdings, Inc. | 4,166 | $515.0K | 0.00% | +841+25.3% | Added |
| Corton Capital Inc. | 4,130 | $510.0K | 0.22% | −7,514−64.5% | Reduced |
| 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 |