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, Q4 2022
Institutional positions in Westlake Corp as of Dec 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
- 344
- +32 vs. Q3 2022
- Shares held
- 36.4M
- +1.54M (+4.4%) vs. Q3 2022
- Total value
- $3.73B
- +$703.7M (+23.2%) vs. Q3 2022
- New holders
- 74
- 105 more added
- Sold out
- 42
- 118 more reduced
9 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Westlake Corp; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| 3Chopt Investment Partners, LLC | 2,290 | $234.8K | 0.13% | +2,290 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,293 | $235.1K | 0.00% | +2,293 | New |
| CSS LLC | 2,500 | $256.4K | 0.02% | −500−16.7% | Reduced |
| Colony Group LLC | 2,507 | $257.0K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 2,550 | $261.5K | 0.07% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 2,608 | $267.4K | 0.00% | +185+7.6% | Added |
| Grey Fox Wealth Advisors, LLC | 2,698 | $276.7K | 0.18% | +2,698 | New |
| Prospera Financial Services Inc | 2,753 | $282.3K | 0.01% | +2,753 | New |
| Blueshift Asset Management, LLC | 2,807 | $287.8K | 0.13% | +2,807 | New |
| Synovus Financial Corp | 2,818 | $289.0K | 0.00% | +43+1.5% | Added |
| Maryland State Retirement & Pension System | 2,848 | $292.0K | 0.01% | +2,848 | New |
| National Bank of Canada | 2,867 | $293.9K | 0.00% | +565+24.5% | Added |
| Crossmark Global Holdings, Inc. | 2,922 | $299.0K | 0.01% | −3,551−54.9% | Reduced |
| Clear Street Markets LLC | 2,927 | $300.0K | 0.06% | +2,927 | New |
| Oppenheimer & Co Inc | 2,976 | $305.2K | 0.01% | +119+4.2% | Added |
| Hennion & Walsh Asset Management, Inc. | 3,008 | $308.0K | 0.02% | −439−12.7% | Reduced |
| Yorktown Management & Research Co Inc | 3,050 | $312.7K | 0.38% | 00.0% | Unchanged |
| TD Asset Management Inc | 3,130 | $320.9K | 0.00% | +210+7.2% | Added |
| Qube Research & Technologies Ltd | 3,152 | $323.2K | 0.00% | −72,674−95.8% | Reduced |
| Securian Asset Management, Inc | 3,158 | $323.8K | 0.01% | +3,158 | New |
| Northwestern Mutual Investment Management Company, LLC | 3,186 | $326.7K | 0.01% | +3,186 | New |
| Standard Life Aberdeen plc | 3,239 | $332.1K | 0.00% | +191+6.3% | Added |
| DekaBank Deutsche Girozentrale | 3,293 | $339.0K | 0.00% | −15,762−82.7% | Reduced |
| Meixler Investment Management, Ltd. | 3,337 | $342.2K | 0.34% | +3,337 | New |
| Alps Advisors Inc | 3,352 | $343.7K | 0.00% | −20−0.6% | Reduced |
| BTC Capital Management, Inc. | 3,385 | $347.1K | 0.04% | −1,290−27.6% | Reduced |
| SevenOneSeven Capital Management | 3,391 | $347.7K | 0.75% | −176−4.9% | Reduced |
| British Columbia Investment Management Corp | 3,396 | $348.2K | 0.00% | −373−9.9% | Reduced |
| Westpac Banking Corp | 3,454 | $354.2K | 0.01% | −1,370−28.4% | Reduced |
| Westover Capital Advisors, LLC | 3,577 | $366.8K | 0.14% | +3,577 | New |
| Atria Wealth Solutions, Inc. | 3,670 | $376.3K | 0.01% | +16+0.4% | Added |
| SG Americas Securities, LLC | 3,887 | $399.0K | 0.01% | −1,618−29.4% | Reduced |
| Cubist Systematic Strategies, LLC | 3,919 | $401.9K | 0.00% | −78,278−95.2% | Reduced |
| Kennedy Capital Management, Inc. | 3,951 | $405.1K | 0.01% | −360−8.4% | Reduced |
| AdvisorShares Investments LLC | 4,013 | $411.5K | 0.12% | +4,013 | New |
| Toroso Investments, LLC | 4,091 | $419.0K | 0.02% | +474+13.1% | Added |
| CIBC Asset Management Inc | 4,162 | $426.8K | 0.00% | −1,931−31.7% | Reduced |
| APG Asset Management N.V. | 4,235 | $434.0K | 0.00% | −3,765−47.1% | Reduced |
| Captrust Financial Advisors | 4,237 | $434.5K | 0.00% | −310−6.8% | Reduced |
| Teacher Retirement System of Texas | 4,354 | $446.0K | 0.00% | −21,020−82.8% | Reduced |
| Mount Lucas Management LP | 4,354 | $446.5K | 0.15% | −160−3.5% | Reduced |
| Nissay Asset Management Corp | 4,370 | $448.1K | 0.00% | −312−6.7% | Reduced |
| Raymond James & Associates | 4,398 | $450.9K | 0.00% | +413+10.4% | Added |
| Xponance, Inc. | 4,527 | $464.2K | 0.01% | +4,527 | New |
| Voya Investment Management LLC | 4,594 | $471.1K | 0.00% | −505−9.9% | Reduced |
| JustInvest LLC | 4,629 | $474.7K | 0.02% | −2,942−38.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 4,687 | $481.0K | 0.00% | +4,687 | New |
| Bank of Montreal | 4,910 | $504.8K | 0.00% | +4,910 | New |
| Unison Advisors LLC | 4,958 | $508.4K | 0.07% | +14+0.3% | Added |
| Cinctive Capital Management LP | 4,997 | $512.4K | 0.03% | +4,997 | New |
| Public Employees Retirement Association of Colorado | 5,364 | $550.0K | 0.00% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 5,400 | $554.0K | 0.03% | +5,400 | New |
| Achmea Investment Management B.V. | 5,840 | $561.0K | 0.02% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 5,580 | $572.2K | 0.04% | −3,579−39.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 5,670 | $582.0K | 0.01% | +5,670 | New |
| Jane Street Group, LLC | 5,716 | $586.1K | 0.00% | −60,424−91.4% | Reduced |
| Utah Retirement Systems | 5,888 | $603.8K | 0.01% | −100−1.7% | Reduced |
| Thompson Siegel & Walmsley LLC | 5,909 | $606.0K | 0.01% | −21,948−78.8% | Reduced |
| Vestcor Inc | 5,999 | $615.0K | 0.02% | +12+0.2% | Added |
| Greenland Capital Management LP | 6,000 | $615.2K | 0.11% | +6,000 | New |
| XTX Topco Ltd | 6,045 | $619.9K | 0.13% | +1,858+44.4% | Added |
| Handelsbanken Fonder AB | 6,200 | $636.0K | 0.00% | 00.0% | Unchanged |
| Denali Advisors LLC | 6,300 | $646.0K | 0.27% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 6,440 | $660.0K | 0.01% | +6,000+1,363.6% | Added |
| CFO4Life Group, LLC | 6,486 | $665.1K | 0.14% | +88+1.4% | Added |
| CFO4Life, L.P. | 6,486 | $665.1K | 0.14% | +6,486 | New |
| Bayesian Capital Management, LP | 6,647 | $681.6K | 0.10% | +2,900+77.4% | Added |
| Martingale Asset Management L P | 6,657 | $682.6K | 0.01% | −3,853−36.7% | Reduced |
| Pettee Investors, Inc. | 6,711 | $688.0K | 0.34% | 00.0% | Unchanged |
| Winton Group Ltd | 7,011 | $718.9K | 0.05% | +7,011 | New |
| Y-Intercept (Hong Kong) Ltd | 7,012 | $719.0K | 0.11% | +7,012 | New |
| Skandinaviska Enskilda Banken AB (publ) | 7,247 | $743.0K | 0.01% | −30,600−80.9% | Reduced |
| Nations Financial Group Inc, | 7,271 | $745.6K | 0.08% | +7,271 | New |
| Cetera Advisor Networks LLC | 7,638 | $783.2K | 0.01% | −1,062−12.2% | Reduced |
| Nisa Investment Advisors, LLC | 7,861 | $806.0K | 0.01% | −987−11.2% | Reduced |
| Truist Financial Corp | 7,890 | $809.0K | 0.00% | −13,771−63.6% | Reduced |
| Empirical Finance, LLC | 7,950 | $815.2K | 0.08% | +62+0.8% | Added |
| IFM Investors Pty Ltd | 7,998 | $820.1K | 0.01% | +1,300+19.4% | Added |
| Dynamic Technology Lab Private Ltd | 8,049 | $825.0K | 0.08% | +8,049 | New |
| M&G Investment Management Ltd | 8,282 | $853.0K | 0.01% | −1,689−16.9% | Reduced |
| Nomura Asset Management Co Ltd | 8,403 | $861.6K | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 8,453 | $867.0K | 0.00% | −121,133−93.5% | Reduced |
| Diametric Capital, LP | 9,115 | $934.7K | 0.45% | −7,914−46.5% | Reduced |
| Louisiana State Employees Retirement System | 9,200 | $943.0K | 0.03% | +9,200 | New |
| V Wealth Advisors LLC | 9,566 | $980.9K | 0.20% | −3,745−28.1% | Reduced |
| Sagefield Capital LP | 9,590 | $983.4K | 0.25% | −7,544−44.0% | Reduced |
| Recurrent Investment Advisors LLC | 9,631 | $987.6K | 0.21% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 9,846 | $1.01M | 0.02% | 00.0% | Unchanged |
| State of Michigan Retirement System | 9,900 | $1.02M | 0.01% | +9,900 | New |
| Ontario Teachers Pension Plan Board | 9,954 | $1.02M | 0.01% | +6,509+188.9% | Added |
| Neuberger Berman Group LLC | 10,274 | $1.05M | 0.00% | −2,073−16.8% | Reduced |
| Two Sigma Investments, LP | 10,300 | $1.06M | 0.00% | +10,300 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,462 | $1.07M | 0.01% | +3,703+54.8% | Added |
| Valeo Financial Advisors, LLC | 10,786 | $1.11M | 0.06% | +18+0.2% | Added |
| Arizona State Retirement System | 10,866 | $1.11M | 0.01% | +295+2.8% | Added |
| L2 Asset Management, LLC | 10,887 | $1.12M | 0.72% | −479−4.2% | Reduced |
| HSBC Holdings PLC | 11,001 | $1.13M | 0.00% | −58,432−84.2% | Reduced |
| Toronto Dominion Bank | 11,217 | $1.15M | 0.00% | +2,921+35.2% | Added |
| Pictet Asset Management SA | 11,557 | $1.19M | 0.00% | −1,159−9.1% | Reduced |
| IFP Advisors, Inc | 10,174 | $1.19M | 0.04% | +9,818+2,757.9% | Added |