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, Q3 2022
Institutional positions in Westlake Corp as of Sep 30, 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
- 321
- −34 vs. Q2 2022
- Shares held
- 34.9M
- −681.3K (−1.9%) vs. Q2 2022
- Total value
- $3.03B
- −$467.6M (−13.3%) vs. Q2 2022
- New holders
- 33
- 123 more added
- Sold out
- 67
- 122 more reduced
Compare with Q2 2022: 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, Q3 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Thompson Siegel & Walmsley LLC | 27,857 | $2.42M | 0.04% | +1,119+4.2% | Added |
| Royal Bank of Canada | 27,643 | $2.40M | 0.00% | −2,983−9.7% | Reduced |
| Price T Rowe Associates Inc | 27,309 | $2.37M | 0.00% | +3,168+13.1% | Added |
| Susquehanna International Group, LLP | 26,572 | $2.31M | 0.00% | −18,074−40.5% | Reduced |
| LPL Financial LLC | 26,179 | $2.27M | 0.00% | −5,708−17.9% | Reduced |
| Royal London Asset Management Ltd | 25,723 | $2.24M | 0.01% | −18,735−42.1% | Reduced |
| Advisors Asset Management, Inc. | 25,656 | $2.23M | 0.05% | +435+1.7% | Added |
| Teacher Retirement System of Texas | 25,374 | $2.20M | 0.02% | +8,681+52.0% | Added |
| Mercer Global Advisors Inc | 25,117 | $2.18M | 0.01% | +6,405+34.2% | Added |
| Yaupon Capital Management LP | 24,639 | $2.14M | 0.72% | −6,561−21.0% | Reduced |
| Navellier & Associates Inc | 24,586 | $2.14M | 0.47% | −147−0.6% | Reduced |
| AlphaCrest Capital Management LLC | 23,596 | $2.05M | 0.12% | +279+1.2% | Added |
| State of New Jersey Common Pension Fund D | 22,995 | $2.00M | 0.01% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 22,754 | $1.98M | 0.03% | +16+0.1% | Added |
| Wilen Investment Management Corp. | 22,183 | $1.91M | 1.95% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 21,648 | $1.88M | 0.02% | +494+2.3% | Added |
| Truist Financial Corp | 21,661 | $1.88M | 0.00% | +8,814+68.6% | Added |
| State of Wisconsin Investment Board | 21,582 | $1.88M | 0.01% | −4,750−18.0% | Reduced |
| Twin Capital Management Inc | 20,593 | $1.79M | 0.24% | −384−1.8% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 20,533 | $1.78M | 0.00% | −3,205−13.5% | Reduced |
| Alaska Permanent Fund Corp | 19,300 | $1.68M | 0.03% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 19,122 | $1.66M | 0.21% | +10,929+133.4% | Added |
| Public Employees Retirement System of Ohio | 18,579 | $1.61M | 0.01% | −25−0.1% | Reduced |
| DekaBank Deutsche Girozentrale | 19,055 | $1.61M | 0.00% | +14,282+299.2% | Added |
| Agf Investments Inc. | 18,435 | $1.60M | 0.02% | +766+4.3% | Added |
| Aquatic Capital Management LLC | 17,700 | $1.54M | 0.15% | +3,600+25.5% | Added |
| Sagefield Capital LP | 17,134 | $1.49M | 0.47% | +9,014+111.0% | Added |
| Diametric Capital, LP | 17,029 | $1.48M | 0.75% | +14,817+669.8% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 16,950 | $1.47M | 0.18% | +2,900+20.6% | Added |
| Allianz Asset Management GmbH | 16,598 | $1.44M | 0.00% | +4,843+41.2% | Added |
| ClariVest Asset Management LLC | 16,062 | $1.40M | 0.07% | −9,738−37.7% | Reduced |
| American Century Companies Inc | 16,038 | $1.39M | 0.00% | +3,684+29.8% | Added |
| Versor Investments LP | 15,875 | $1.38M | 0.08% | −12,819−44.7% | Reduced |
| Asset Management One Co.,Ltd. | 15,818 | $1.37M | 0.01% | −959−5.7% | Reduced |
| PDT Partners, LLC | 15,236 | $1.32M | 0.20% | −21,099−58.1% | Reduced |
| Korea Investment CORP | 15,050 | $1.31M | 0.00% | +3,450+29.7% | Added |
| Gotham Asset Management, LLC | 14,947 | $1.30M | 0.04% | +11,335+313.8% | Added |
| Treasurer of the State of North Carolina | 14,140 | $1.23M | 0.01% | −1,323−8.6% | Reduced |
| Lazard Asset Management LLC | 14,111 | $1.23M | 0.00% | −18,025−56.1% | Reduced |
| Cambria Investment Management, L.P. | 13,504 | $1.17M | 0.13% | +9,969+282.0% | Added |
| V Wealth Advisors LLC | 13,311 | $1.16M | 0.23% | 00.0% | Unchanged |
| Pictet Asset Management SA | 12,716 | $1.10M | 0.00% | +1,741+15.9% | Added |
| KBC Group NV | 12,418 | $1.08M | 0.01% | +3,644+41.5% | Added |
| Neuberger Berman Group LLC | 12,347 | $1.07M | 0.00% | +1,922+18.4% | Added |
| Natixis | 11,800 | $1.02M | 0.00% | −9,400−44.3% | Reduced |
| Bokf, NA | 11,766 | $1.02M | 0.02% | +489+4.3% | Added |
| Paradigm Capital Management Inc | 11,600 | $1.01M | 0.07% | 00.0% | Unchanged |
| L2 Asset Management, LLC | 11,366 | $988.0K | 0.74% | +1,374+13.8% | Added |
| DnB Asset Management AS | 11,251 | $977.5K | 0.01% | −892−7.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 11,162 | $970.0K | 0.00% | −212−1.9% | Reduced |
| Valeo Financial Advisors, LLC | 10,768 | $936.0K | 0.06% | +4,739+78.6% | Added |
| Arizona State Retirement System | 10,571 | $918.0K | 0.01% | −156−1.5% | Reduced |
| Martingale Asset Management L P | 10,510 | $914.0K | 0.02% | +414+4.1% | Added |
| M&G Investment Management Ltd | 9,971 | $867.0K | 0.01% | +9,971 | New |
| Advisor Group Holdings, Inc. | 9,840 | $855.0K | 0.00% | −12,368−55.7% | Reduced |
| Illinois Municipal Retirement Fund | 9,846 | $855.0K | 0.02% | 00.0% | Unchanged |
| Centaurus Financial, Inc. | 9,731 | $845.0K | 0.08% | −10−0.1% | Reduced |
| Great West Life Assurance Co | 9,648 | $838.0K | 0.00% | +228+2.4% | Added |
| Recurrent Investment Advisors LLC | 9,631 | $837.0K | 0.23% | +1,706+21.5% | Added |
| Graham Capital Management, L.P. | 9,503 | $825.0K | 0.04% | −15,528−62.0% | Reduced |
| Prelude Capital Management, LLC | 9,159 | $796.0K | 0.04% | +9,159 | New |
| Bowling Portfolio Management LLC | 9,030 | $785.0K | 0.22% | −394−4.2% | Reduced |
| Nisa Investment Advisors, LLC | 8,848 | $769.0K | 0.01% | −3,526−28.5% | Reduced |
| Cetera Advisor Networks LLC | 8,700 | $756.0K | 0.01% | +3,825+78.5% | Added |
| Nomura Asset Management Co Ltd | 8,403 | $730.1K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 8,296 | $721.0K | 0.00% | −278−3.2% | Reduced |
| APG Asset Management N.V. | 8,000 | $709.0K | 0.00% | +2,300+40.4% | Added |
| Empirical Finance, LLC | 7,888 | $685.0K | 0.08% | −821−9.4% | Reduced |
| Oregon Public Employees Retirement Fund | 7,866 | $683.0K | 0.01% | −234−2.9% | Reduced |
| JustInvest LLC | 7,571 | $658.0K | 0.03% | −202−2.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,759 | $587.0K | 0.00% | +2,736+68.0% | Added |
| Pettee Investors, Inc. | 6,711 | $583.0K | 0.31% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 6,698 | $582.0K | 0.01% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 6,473 | $562.0K | 0.02% | −147−2.2% | Reduced |
| CFO4Life Group, LLC | 6,398 | $556.0K | 0.15% | +870+15.7% | Added |
| Denali Advisors LLC | 6,300 | $547.0K | 0.26% | +1,654+35.6% | Added |
| Handelsbanken Fonder AB | 6,200 | $539.0K | 0.00% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 6,093 | $529.0K | 0.00% | +824+15.6% | Added |
| Utah Retirement Systems | 5,988 | $521.0K | 0.01% | 00.0% | Unchanged |
| Vestcor Inc | 5,987 | $520.0K | 0.02% | +5+0.1% | Added |
| Achmea Investment Management B.V. | 5,840 | $507.0K | 0.02% | +5,685+3,667.7% | Added |
| Occudo Quantitative Strategies LP | 5,582 | $485.0K | 0.04% | −22,814−80.3% | Reduced |
| Robeco Institutional Asset Management B.V. | 5,576 | $484.0K | 0.00% | −4,162−42.7% | Reduced |
| SG Americas Securities, LLC | 5,505 | $478.0K | 0.01% | +2,301+71.8% | Added |
| Public Employees Retirement Association of Colorado | 5,364 | $466.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 5,099 | $443.0K | 0.00% | −107−2.1% | Reduced |
| Seeyond | 5,043 | $438.0K | 0.05% | +5,043 | New |
| Dark Forest Capital Management LP | 5,050 | $438.0K | 0.08% | +5,050 | New |
| Unison Advisors LLC | 4,944 | $430.0K | 0.08% | +1,216+32.6% | Added |
| Westpac Banking Corp | 4,824 | $419.1K | 0.01% | +1,370+39.7% | Added |
| Regentatlantic Capital LLC | 4,696 | $408.0K | 0.01% | +2,043+77.0% | Added |
| Nissay Asset Management Corp | 4,682 | $407.0K | 0.00% | +153+3.4% | Added |
| BTC Capital Management, Inc. | 4,675 | $406.0K | 0.05% | −114−2.4% | Reduced |
| Simplex Trading, LLC | 4,682 | $406.0K | 0.02% | +288+6.6% | Added |
| Aviva PLC | 4,601 | $400.0K | 0.00% | −34,769−88.3% | Reduced |
| Captrust Financial Advisors | 4,547 | $395.0K | 0.00% | −732−13.9% | Reduced |
| Mount Lucas Management LP | 4,514 | $392.0K | 0.14% | −80−1.7% | Reduced |
| Engineers Gate Manager LP | 4,500 | $391.0K | 0.02% | −6,740−60.0% | Reduced |
| Kennedy Capital Management, Inc. | 4,311 | $375.0K | 0.01% | −229−5.0% | Reduced |
| XTX Topco Ltd | 4,187 | $364.0K | 0.09% | +4,187 | New |