Filing Flows

Filing Flows › Westlake (WLK) › Who owns the stock

Who owns Westlake (WLK) stock

344 funds reported Westlake (WLK) shares in their latest 13F filings, worth $3.2B in all. The largest holder is Vanguard Group ($290M). Last quarter 175 funds added to their stakes and 165 cut them.

Largest holders of WLK (13F)Largest holders of WLK (13F)Vanguard Group$290MBlackRock$240MCapital World Investors$207MPrice T Rowe Associates$161MOrbis Allan Gray$152MDimensional Fund Advisors LP$150MVanguard Portfolio Management LLC$128MBrandes Investment Partners, LP$115MAQR Capital Management LLC$115MVanguard Capital Management LLC$107M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group3,917,329$290Mincrease2025-12-31
BlackRock3,294,162$240Mincrease2026-06-30
Capital World Investors2,842,348$207Mdecrease2026-06-30
Price T Rowe Associates2,206,676$161Mdecrease2026-06-30
Orbis Allan Gray2,084,364$152Mdecrease2026-06-30
Dimensional Fund Advisors LP2,051,554$150Mincrease2026-06-30
Vanguard Portfolio Management LLC1,752,627$128Mdecrease2026-06-30
Brandes Investment Partners, LP1,572,939$115Mdecrease2026-06-30
AQR Capital Management LLC1,570,453$115Mincrease2026-06-30
Vanguard Capital Management LLC1,464,223$107Mincrease2026-06-30
State Street1,453,407$106Mincrease2026-06-30
Goldman Sachs Group1,280,873$93.5Mdecrease2026-06-30
Citadel Advisors LLC1,054,868$77.0Mincrease2026-06-30
Mirae Asset Global ETFS Holdings1,023,403$74.7Mincrease2026-06-30
UBS AM, a distinct business unit of UBS Asset Management Americas LLC817,207$59.7Mdecrease2026-06-30

Westlake's latest quarter

Westlake, Q3 2026: revenue $3.0B (+5% year over year), operating margin 1.4%, net earnings $18.0M, operating cash flow $395M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most WLK stock?

By the latest 13F filings: Vanguard Group ($290M); BlackRock ($240M); Capital World Investors ($207M); Price T Rowe Associates ($161M); Orbis Allan Gray ($152M).

What is the short interest in WLK?

4,259,386 shares were sold short at the 2026-10-15 settlement, -12.5% of the float.

Open the interactive view →

Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.