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 |
|---|---|---|---|---|---|
| Yorktown Management & Research Co Inc | 3,050 | $265.0K | 0.34% | +3,050 | New |
| Boothbay Fund Management, LLC | 3,342 | $290.0K | 0.01% | +1,297+63.4% | Added |
| Aigen Investment Management, LP | 3,347 | $291.0K | 0.04% | −2,907−46.5% | Reduced |
| Alps Advisors Inc | 3,372 | $293.0K | 0.00% | +373+12.4% | Added |
| CWM Advisors, LLC | 3,386 | $294.0K | 0.04% | +3,386 | New |
| Hennion & Walsh Asset Management, Inc. | 3,447 | $299.0K | 0.02% | −178−4.9% | Reduced |
| Ontario Teachers Pension Plan Board | 3,445 | $299.0K | 0.00% | +3,445 | New |
| NinePointTwo Capital | 3,458 | $300.0K | 0.12% | 00.0% | Unchanged |
| SevenOneSeven Capital Management | 3,567 | $310.0K | 0.73% | −2,285−39.0% | Reduced |
| Toroso Investments, LLC | 3,617 | $314.0K | 0.01% | +1,498+70.7% | Added |
| Larson Financial Group LLC | 3,609 | $314.0K | 0.04% | +3,332+1,202.9% | Added |
| Principal Financial Group Inc | 3,653 | $317.0K | 0.00% | −695−16.0% | Reduced |
| Atria Wealth Solutions, Inc. | 3,654 | $317.5K | 0.01% | +3,654 | New |
| Bayesian Capital Management, LP | 3,747 | $326.0K | 0.07% | −7,200−65.8% | Reduced |
| British Columbia Investment Management Corp | 3,769 | $327.0K | 0.00% | −689−15.5% | Reduced |
| Comerica Bank | 3,460 | $328.0K | 0.00% | +539+18.5% | Added |
| Roosevelt Investment Group LLC | 3,866 | $336.0K | 0.02% | −412−9.6% | Reduced |
| Amalgamated Bank | 3,888 | $338.0K | 0.00% | −2,438−38.5% | Reduced |
| Ameritas Investment Partners, Inc. | 3,900 | $338.0K | 0.02% | 00.0% | Unchanged |
| Raymond James & Associates | 3,985 | $346.0K | 0.00% | −30,196−88.3% | Reduced |
| Ci Investments Inc. | 4,064 | $353.0K | 0.00% | −1,501−27.0% | Reduced |
| XTX Topco Ltd | 4,187 | $364.0K | 0.09% | +4,187 | New |
| Kennedy Capital Management, Inc. | 4,311 | $375.0K | 0.01% | −229−5.0% | Reduced |
| Engineers Gate Manager LP | 4,500 | $391.0K | 0.02% | −6,740−60.0% | Reduced |
| Mount Lucas Management LP | 4,514 | $392.0K | 0.14% | −80−1.7% | Reduced |
| Captrust Financial Advisors | 4,547 | $395.0K | 0.00% | −732−13.9% | Reduced |
| Aviva PLC | 4,601 | $400.0K | 0.00% | −34,769−88.3% | Reduced |
| 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 |
| Nissay Asset Management Corp | 4,682 | $407.0K | 0.00% | +153+3.4% | Added |
| Regentatlantic Capital LLC | 4,696 | $408.0K | 0.01% | +2,043+77.0% | Added |
| Westpac Banking Corp | 4,824 | $419.1K | 0.01% | +1,370+39.7% | Added |
| Unison Advisors LLC | 4,944 | $430.0K | 0.08% | +1,216+32.6% | Added |
| Seeyond | 5,043 | $438.0K | 0.05% | +5,043 | New |
| Dark Forest Capital Management LP | 5,050 | $438.0K | 0.08% | +5,050 | New |
| Voya Investment Management LLC | 5,099 | $443.0K | 0.00% | −107−2.1% | Reduced |
| Public Employees Retirement Association of Colorado | 5,364 | $466.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 5,505 | $478.0K | 0.01% | +2,301+71.8% | Added |
| Robeco Institutional Asset Management B.V. | 5,576 | $484.0K | 0.00% | −4,162−42.7% | Reduced |
| Occudo Quantitative Strategies LP | 5,582 | $485.0K | 0.04% | −22,814−80.3% | Reduced |
| Achmea Investment Management B.V. | 5,840 | $507.0K | 0.02% | +5,685+3,667.7% | Added |
| Vestcor Inc | 5,987 | $520.0K | 0.02% | +5+0.1% | Added |
| Utah Retirement Systems | 5,988 | $521.0K | 0.01% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 6,093 | $529.0K | 0.00% | +824+15.6% | Added |
| Handelsbanken Fonder AB | 6,200 | $539.0K | 0.00% | 00.0% | Unchanged |
| Denali Advisors LLC | 6,300 | $547.0K | 0.26% | +1,654+35.6% | Added |
| CFO4Life Group, LLC | 6,398 | $556.0K | 0.15% | +870+15.7% | Added |
| Crossmark Global Holdings, Inc. | 6,473 | $562.0K | 0.02% | −147−2.2% | Reduced |
| IFM Investors Pty Ltd | 6,698 | $582.0K | 0.01% | 00.0% | Unchanged |
| Pettee Investors, Inc. | 6,711 | $583.0K | 0.31% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,759 | $587.0K | 0.00% | +2,736+68.0% | Added |
| JustInvest LLC | 7,571 | $658.0K | 0.03% | −202−2.6% | Reduced |
| Oregon Public Employees Retirement Fund | 7,866 | $683.0K | 0.01% | −234−2.9% | Reduced |
| Empirical Finance, LLC | 7,888 | $685.0K | 0.08% | −821−9.4% | Reduced |
| APG Asset Management N.V. | 8,000 | $709.0K | 0.00% | +2,300+40.4% | Added |
| Toronto Dominion Bank | 8,296 | $721.0K | 0.00% | −278−3.2% | Reduced |
| Nomura Asset Management Co Ltd | 8,403 | $730.1K | 0.00% | 00.0% | Unchanged |
| Cetera Advisor Networks LLC | 8,700 | $756.0K | 0.01% | +3,825+78.5% | Added |
| Nisa Investment Advisors, LLC | 8,848 | $769.0K | 0.01% | −3,526−28.5% | Reduced |
| Bowling Portfolio Management LLC | 9,030 | $785.0K | 0.22% | −394−4.2% | Reduced |
| Prelude Capital Management, LLC | 9,159 | $796.0K | 0.04% | +9,159 | New |
| Graham Capital Management, L.P. | 9,503 | $825.0K | 0.04% | −15,528−62.0% | Reduced |
| Recurrent Investment Advisors LLC | 9,631 | $837.0K | 0.23% | +1,706+21.5% | Added |
| Great West Life Assurance Co | 9,648 | $838.0K | 0.00% | +228+2.4% | Added |
| Centaurus Financial, Inc. | 9,731 | $845.0K | 0.08% | −10−0.1% | Reduced |
| 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 |
| M&G Investment Management Ltd | 9,971 | $867.0K | 0.01% | +9,971 | New |
| Martingale Asset Management L P | 10,510 | $914.0K | 0.02% | +414+4.1% | Added |
| Arizona State Retirement System | 10,571 | $918.0K | 0.01% | −156−1.5% | Reduced |
| Valeo Financial Advisors, LLC | 10,768 | $936.0K | 0.06% | +4,739+78.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 11,162 | $970.0K | 0.00% | −212−1.9% | Reduced |
| DnB Asset Management AS | 11,251 | $977.5K | 0.01% | −892−7.3% | Reduced |
| L2 Asset Management, LLC | 11,366 | $988.0K | 0.74% | +1,374+13.8% | Added |
| Paradigm Capital Management Inc | 11,600 | $1.01M | 0.07% | 00.0% | Unchanged |
| Bokf, NA | 11,766 | $1.02M | 0.02% | +489+4.3% | Added |
| Natixis | 11,800 | $1.02M | 0.00% | −9,400−44.3% | Reduced |
| Neuberger Berman Group LLC | 12,347 | $1.07M | 0.00% | +1,922+18.4% | Added |
| KBC Group NV | 12,418 | $1.08M | 0.01% | +3,644+41.5% | Added |
| Pictet Asset Management SA | 12,716 | $1.10M | 0.00% | +1,741+15.9% | Added |
| V Wealth Advisors LLC | 13,311 | $1.16M | 0.23% | 00.0% | Unchanged |
| Cambria Investment Management, L.P. | 13,504 | $1.17M | 0.13% | +9,969+282.0% | Added |
| Lazard Asset Management LLC | 14,111 | $1.23M | 0.00% | −18,025−56.1% | Reduced |
| Treasurer of the State of North Carolina | 14,140 | $1.23M | 0.01% | −1,323−8.6% | Reduced |
| Gotham Asset Management, LLC | 14,947 | $1.30M | 0.04% | +11,335+313.8% | Added |
| Korea Investment CORP | 15,050 | $1.31M | 0.00% | +3,450+29.7% | Added |
| PDT Partners, LLC | 15,236 | $1.32M | 0.20% | −21,099−58.1% | Reduced |
| Asset Management One Co.,Ltd. | 15,818 | $1.37M | 0.01% | −959−5.7% | Reduced |
| Versor Investments LP | 15,875 | $1.38M | 0.08% | −12,819−44.7% | Reduced |
| American Century Companies Inc | 16,038 | $1.39M | 0.00% | +3,684+29.8% | Added |
| ClariVest Asset Management LLC | 16,062 | $1.40M | 0.07% | −9,738−37.7% | Reduced |
| Allianz Asset Management GmbH | 16,598 | $1.44M | 0.00% | +4,843+41.2% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 16,950 | $1.47M | 0.18% | +2,900+20.6% | Added |
| Diametric Capital, LP | 17,029 | $1.48M | 0.75% | +14,817+669.8% | Added |
| Sagefield Capital LP | 17,134 | $1.49M | 0.47% | +9,014+111.0% | Added |
| Aquatic Capital Management LLC | 17,700 | $1.54M | 0.15% | +3,600+25.5% | Added |
| Agf Investments Inc. | 18,435 | $1.60M | 0.02% | +766+4.3% | 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 |
| Quantinno Capital Management LP | 19,122 | $1.66M | 0.21% | +10,929+133.4% | Added |