NYSE: WLK
Westlake Corp Stock Ownership - Who owns Westlake?

Insider buying vs selling

Have Westlake Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Albert ChaoExecutive Chairman2025-12-2281,673$44.42
$3.63MBuy
Albert ChaoExecutive Chairman2025-12-22521$74.44
$38.78kSell
Albert ChaoExecutive Chairman2025-12-2230,604$73.80
$2.26MSell
Albert ChaoExecutive Chairman2025-12-229,711$72.82
$707.14kSell
Scott Thomas SzwejbkaSVP HIP Segment Head2025-10-023,842$76.70
$294.68kSell
Robert F. BuesingerEVP PEM Segment Head2025-05-2783$72.70
$6.03kSell
Robert F. BuesingerEVP PEM Segment Head2025-04-2283$93.39
$7.75kBuy
John Tsungchen ChaoDirector2025-03-05235$108.62
$25.53kSell
John Tsungchen ChaoDirector2025-03-05391$108.62
$42.47kSell
Albert ChaoExecutive Chairman2025-02-2113,390$110.54
$1.48MSell

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Net Insider Buy/Sell (L12M) Ownership

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WLK Shareholders

What type of owners hold Westlake Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
James Chao468.73%601,258,320$49.04BInsider
Albert Chao397.34%509,678,090$41.57BInsider
Dorothy C. Jenkins359.80%461,521,548$37.64BInsider
David Tsunghung Chao290.21%372,255,551$30.36BInsider
Catherine T. Chao218.47%280,241,665$22.86BInsider
Carolyn Chao Sabat145.64%186,814,688$15.24BInsider
John Tsungchen Chao144.55%185,423,146$15.12BInsider
Ttwfgp LLC109.77%140,805,831$11.48BInsider
Ttwf LP35.87%46,005,277$3.75BInsider
Orbis Allan Gray Ltd3.05%3,914,411$319.26MInstitution

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WLK vs Specialty Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
WLK1.47%98.53%Net SellingNet Buying
EMN87.99%2.10%Net Selling
AVTR83.03%16.97%Net BuyingNet Buying
AXTA46.34%53.66%Net SellingNet Selling
ESI87.17%12.83%Net SellingNet Selling

Westlake Stock Ownership FAQ

Who owns Westlake?

Westlake (NYSE: WLK) is owned by 32.32% institutional shareholders, 2,170.83% Westlake insiders, and 0.00% retail investors. James Chao is the largest individual Westlake shareholder, owning 601.26M shares representing 468.73% of the company. James Chao's Westlake shares are currently valued at $47.69B.

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