UBS Group
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UBS Group’s Westlake Corp WLK Stock Holding History

UBS Group’s Portfolio WLK Stock Details WLK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2018
Q3 		– Sell
-15,000
Closed -$1.61M – 8303
2018
Q2 		$1.61M Buy
+15,000
New +$1.68M ﹤0.01% 3357
2015
Q1 		– Sell
-100
Closed -$6K – 9446
2014
Q4 		$6K Buy
+100
New +$6.81K ﹤0.01% 8860

Other funds holding WLK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BIP
Brandes Investment Partners La Jolla, California $14.3B AUM 23.11% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

UBS Group's WLK Position: Q2 2026 in Review

UBS Group reduced its Westlake Corp (WLK) stake by 47% in Q2 2026, selling an estimated $37.1M and leaving 431,633 shares worth $31.5M. The position accounts for ﹤0.01% of the portfolio, ranked #2222.

UBS Group first reported a position in WLK in Q4 2014 and has held it in 47 quarters since. The position peaked at $94.8M in Q1 2026. 360 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

  • UBS Group held 431,633 shares of Westlake Corp worth $31.5M as of Q2 2026.
  • UBS Group sold 379,633 Westlake Corp shares in Q2 2026, an estimated $37.1M.
  • Westlake Corp made up ﹤0.01% of UBS Group's portfolio in Q2 2026, its #2222 holding.
  • UBS Group first reported a position in Westlake Corp in Q4 2014 and has held it in 47 quarters since.
  • UBS Group's Westlake Corp position peaked at $94.8M in Q1 2026.
  • 360 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.