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Westlake (WLK) Institutional Ownership

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$87.95 +1.54 (+1.78%)
Closing price 08/29/2025 03:59 PM Eastern
Extended Trading
$88.26 +0.31 (+0.35%)
As of 08/29/2025 06:05 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Westlake (NYSE:WLK)

Current
Institutional Ownership
Percentage
28.40%
Number of
Institutional Buyers
(last 12 months)
241
Total
Institutional Inflows
(last 12 months)
$1.62B
Number of
Institutional Sellers
(last 12 months)
145
Total
Institutional Outflows
(last 12 months)
$784.51M
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WLK Institutional Buying and Selling by Quarter

Westlake Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/27/2025 Squarepoint Ops LLC94,483$7.17M0.0%-59.3%0.074%
8/16/2025 FORA Capital LLC7,832$595K0.1%N/A0.006%
8/15/2025 JCP Investment Management LLC53,000$4.02M2.3%N/A0.041%
8/15/2025 CANADA LIFE ASSURANCE Co15,207$1.16M0.0%-41.6%0.012%
8/15/2025 Tower Research Capital LLC TRC 2,492$189K0.0%+125.1%0.002%
8/15/2025 Corient Private Wealth LLC17,926$1.36M0.0%+53.4%0.014%
8/15/2025 Northeast Financial Consultants Inc24,800$1.88M0.1%N/A0.019%
8/15/2025 State of Tennessee Department of Treasury5,013$381K0.0%-3.8%0.004%
8/15/2025 Captrust Financial Advisors4,129$314K0.0%+28.0%0.003%
8/15/2025 Vident Advisory LLC3,813$290K0.0%-61.3%0.003%
8/15/2025 Royal London Asset Management Ltd.15,513$1.18M0.0%-2.9%0.012%
8/15/2025 Man Group plc124,176$9.43M0.0%-11.9%0.097%
8/15/2025 Lazard Asset Management LLC74,072$5.62M0.0%-33.6%0.058%
8/15/2025 LMR Partners LLP3,861$293K0.0%N/A0.003%
8/15/2025 Holocene Advisors LP158,155$12.01M0.0%+59.6%0.123%
8/15/2025 Engineers Gate Manager LP351,011$26.65M0.3%+12,724.7%0.274%
8/15/2025 BNP Paribas Financial Markets185,397$14.08M0.0%+603.4%0.145%
8/15/2025 Brevan Howard Capital Management LP26,812$2.04M0.0%+65.4%0.021%
8/15/2025 Balyasny Asset Management L.P.79,847$6.06M0.0%-84.7%0.062%
8/15/2025 Bank of America Corp DE138,654$10.53M0.0%-37.4%0.108%
8/15/2025 Ameriprise Financial Inc.99,534$7.56M0.0%-16.3%0.078%
8/15/2025 AQR Capital Management LLC133,355$10.03M0.0%+598.4%0.104%
8/14/2025 California State Teachers Retirement System2,087$158K0.0%-95.4%0.002%
8/14/2025 Raymond James Financial Inc.5,298$402K0.0%-95.3%0.004%
8/14/2025 Canada Pension Plan Investment Board49,344$3.75M0.0%+25.4%0.038%
8/14/2025 Occudo Quantitative Strategies LP15,125$1.15M0.1%+300.5%0.012%
8/14/2025 Quantinno Capital Management LP30,231$2.30M0.0%-76.3%0.024%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.844,130$64.10M0.1%-1.1%0.658%
8/14/2025 Ilex Capital Partners UK LLP273,564$20.77M0.7%-60.9%0.213%
8/14/2025 Treasurer of the State of North Carolina15,608$1.19M0.0%+1.7%0.012%
8/14/2025 The Manufacturers Life Insurance Company 28,134$2.14M0.0%+0.6%0.022%
8/14/2025 Faithward Advisors LLC14,265$1.08M0.2%+7.8%0.011%
8/14/2025 Squarepoint Ops LLC94,483$7.17M0.0%-59.3%0.074%
8/14/2025 Sei Investments Co.22,746$1.73M0.0%+172.5%0.018%
8/14/2025 Nebula Research & Development LLC7,169$544K0.0%N/A0.006%
8/14/2025 NewEdge Advisors LLC745$57K0.0%+49.6%0.001%
8/14/2025 Qube Research & Technologies Ltd134,571$10.22M0.0%+16.2%0.105%
8/14/2025 State Street Corp1,392,227$105.71M0.0%-14.6%1.086%
8/14/2025 CoreFirst Bank & Trust1,420$108K0.1%N/A0.001%
8/14/2025 Transce3nd LLC2,498$190K0.1%-49.9%0.002%
He Called Nvidia at $1.10. Now, He Says THIS Stock Will… (Ad)

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8/14/2025 California Public Employees Retirement System59,872$4.55M0.0%+1.8%0.047%
8/14/2025 Cerity Partners LLC86,793$6.59M0.0%+15.8%0.068%
8/14/2025 Federated Hermes Inc.1,307$99K0.0%-58.8%0.001%
8/13/2025 Gamco Investors INC. ET AL11,566$878K0.0%N/A0.009%
8/13/2025 Capula Management Ltd3,167$240K0.0%N/A0.002%
8/13/2025 Amundi69,671$5.70M0.0%+37.2%0.054%
8/13/2025 Marshall Wace LLP8,111$616K0.0%N/A0.006%
8/13/2025 First Trust Advisors LP127,929$9.71M0.0%-23.2%0.100%
8/13/2025 Invesco Ltd.124,564$9.46M0.0%-7.3%0.097%
8/13/2025 1832 Asset Management L.P.138,920$10.55M0.0%-9.6%0.108%
8/13/2025 Thomist Capital Management LP71,600$5.45M1.7%+55.3%0.056%
8/13/2025 Arrowstreet Capital Limited Partnership290,038$22.02M0.0%N/A0.226%
8/13/2025 Brandes Investment Partners LP1,456,871$110.62M1.0%+246.0%1.136%
8/13/2025 Robotti Robert182,840$13.77M2.6%+11.0%0.143%
8/13/2025 OMERS ADMINISTRATION Corp11,380$864K0.0%N/A0.009%
8/13/2025 New York State Common Retirement Fund306,426$23.27M0.0%+2,092.7%0.239%
8/13/2025 Schroder Investment Management Group248,981$18.91M0.0%-0.2%0.194%
8/13/2025 Norges Bank1,373,816$104.31M0.0%N/A1.071%
8/13/2025 Quadrature Capital Ltd11,392$865K0.0%+395.7%0.009%
8/13/2025 Hsbc Holdings PLC25,833$1.96M0.0%+142.8%0.020%
8/13/2025 State Board of Administration of Florida Retirement System24,650$1.87M0.0%-11.9%0.019%
8/13/2025 Quadrant Capital Group LLC7,943$603K0.0%+198.6%0.006%
8/12/2025 XTX Topco Ltd9,377$712K0.0%-37.5%0.007%
8/12/2025 Prudential Financial Inc.3,788$288K0.0%+18.2%0.003%
8/12/2025 American Century Companies Inc.18,056$1.37M0.0%-20.3%0.014%
8/12/2025 Rhumbline Advisers90,628$6.88M0.0%-9.8%0.071%
8/12/2025 Legal & General Group Plc75,079$5.70M0.0%-48.2%0.059%
8/12/2025 Neo Ivy Capital Management5,318$404K0.1%N/A0.004%
8/12/2025 JPMorgan Chase & Co.167,595$12.73M0.0%+29.9%0.131%
8/12/2025 Entropy Technologies LP7,655$581K0.0%+76.7%0.006%
8/12/2025 Magnetar Financial LLC7,187$546K0.0%-73.7%0.006%
8/12/2025 Catalyst Funds Management Pty Ltd3,905$297K0.1%+50.2%0.003%
8/11/2025 Greenland Capital Management LP4,008$304K0.0%N/A0.003%
8/11/2025 Nomura Asset Management Co. Ltd.896$68K0.0%-91.6%0.001%
8/11/2025 Universal Beteiligungs und Servicegesellschaft mbH8,896$675K0.0%+215.9%0.007%
8/8/2025 Itau Unibanco Holding S.A.1,000$76K0.0%+87.3%0.001%
8/8/2025 Cetera Investment Advisers4,350$330K0.0%+43.6%0.003%
8/8/2025 Creative Planning11,165$848K0.0%+39.2%0.009%
8/8/2025 SG Americas Securities LLC54,505$4.14M0.0%-5.3%0.043%
8/8/2025 Commonwealth of Pennsylvania Public School Empls Retrmt SYS8,567$650K0.0%+7.1%0.007%
8/8/2025 Police & Firemen s Retirement System of New Jersey5,020$381K0.0%+4.1%0.004%
8/8/2025 Geode Capital Management LLC574,231$43.61M0.0%-0.4%0.448%
8/8/2025 PNC Financial Services Group Inc.1,433$109K0.0%+11.8%0.001%
8/8/2025 KBC Group NV48,014$3.65M0.0%+79.9%0.037%
8/7/2025 Allworth Financial LP1,409$107K0.0%+52.8%0.001%
8/7/2025 ProShare Advisors LLC355,154$26.97M0.1%+36.4%0.277%
8/7/2025 Mitsubishi UFJ Asset Management Co. Ltd.6,738$512K0.0%-77.3%0.005%
8/6/2025 First Eagle Investment Management LLC6,885$523K0.0%+13.1%0.005%
8/5/2025 Huntington National Bank347$26K0.0%N/A0.000%
8/5/2025 Bank of New York Mellon Corp184,312$14.00M0.0%-16.1%0.144%
He Called Nvidia at $1.10. Now, He Says THIS Stock Will… (Ad)

The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvidia at $1.10 reveals AI’s Next Magnificent Seven… including one stock he says could become America’s next trillion-dollar giant.tc pixel

See his full breakdown of the seven stocks to own now
8/5/2025 Bank of Montreal Can231,022$17.54M0.0%+9.9%0.180%
8/5/2025 State of Michigan Retirement System8,000$607K0.0%-11.1%0.006%
8/5/2025 ANTIPODES PARTNERS Ltd823,169$62.51M1.9%N/A0.642%
8/4/2025 Amalgamated Bank15,238$1.16M0.0%-2.2%0.012%
8/4/2025 Atria Investments Inc2,999$228K0.0%N/A0.002%
8/1/2025 Y Intercept Hong Kong Ltd32,522$2.47M0.1%N/A0.025%
8/1/2025 Envestnet Asset Management Inc.20,396$1.55M0.0%-23.1%0.016%
7/31/2025 AlphaQuest LLC730$55K0.0%+989.6%0.001%
7/31/2025 Sumitomo Mitsui Trust Group Inc.9,817$745K0.0%-87.6%0.008%
7/30/2025 Journey Advisory Group LLC44,842$3.41M0.3%N/A0.035%
(Data available from 1/1/2016 forward)

WLK Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of WLK shares?

During the previous two years, 395 institutional investors and hedge funds held shares of Westlake. The most heavily invested institutionals were Victory Capital Management Inc. ($390.12M), Vanguard Group Inc. ($355.14M), FMR LLC ($164.94M), Capital World Investors ($147.61M), Nuveen Asset Management LLC ($112.71M), Brandes Investment Partners LP ($110.62M), and Dimensional Fund Advisors LP ($107.09M).Learn more on Westlake's institutional investors.

What percentage of Westlake's stock is owned by institutional investors?

28.40% of Westlake's stock is owned by institutional investors. Learn more on WLK's institutional investor holdings.

Which institutional investors have been buying Westlake's stock?

Of the 328 institutional investors that purchased Westlake's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($2.14M), Victory Capital Management Inc. ($1.16M), Brandes Investment Partners LP ($1.04M), Balyasny Asset Management L.P. ($873.89K), Millennium Management LLC ($849.80K), ANTIPODES PARTNERS Ltd ($823.17K), and Nuveen LLC ($729.52K).

How much institutional buying is happening at Westlake?

Institutional investors have bought a total of 15,610,700 shares in the last 24 months. This purchase volume represents approximately $1.62B in transactions.

Which of Westlake's major shareholders have been selling company stock?

Of the 145 institutional investors that sold Westlake's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: FMR LLC ($2.67M), Balyasny Asset Management L.P. ($442.03K), Ilex Capital Partners UK LLP ($425.44K), Vanguard Group Inc. ($327.66K), Squarepoint Ops LLC ($275.15K), State Street Corp ($237.88K), and 1832 Asset Management L.P. ($237.08K).

How much institutional selling is happening at Westlake?

Institutional investors have sold a total of 7,189,739 shares in the last 24 months. This volume of shares sold represents approximately $784.51M in transactions.


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This page (NYSE:WLK) was last updated on 8/31/2025 by MarketBeat.com Staff
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