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GAMCO Investors’s Westlake Corp WLK Stock Holding History

GAMCO Investors’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
2026
Q2 		$255K Hold
3,491
– – ﹤0.01% 871
2026
Q1 		$408K Sell
3,491
-450
-11% -$43.6K ﹤0.01% 824
2025
Q4 		$291K Sell
3,941
-200
-5% -$14.2K ﹤0.01% 929
2025
Q3 		$319K Sell
4,141
-7,425
-64% -$619K ﹤0.01% 899
2025
Q2 		$878K Buy
+11,566
New +$946K 0.01% 688

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

GAMCO Investors's WLK Position: Q2 2026 in Review

GAMCO Investors held its Westlake Corp (WLK) position steady in Q2 2026 at 3,491 shares worth $255K. The position accounts for ﹤0.01% of the portfolio, ranked #871.

GAMCO Investors first reported a position in WLK in Q2 2025 and has held it in 5 quarters since. The position peaked at $878K in Q2 2025. 358 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

  • GAMCO Investors held 3,491 shares of Westlake Corp worth $255K as of Q2 2026.
  • GAMCO Investors left its Westlake Corp share count unchanged in Q2 2026.
  • Westlake Corp made up ﹤0.01% of GAMCO Investors's portfolio in Q2 2026, its #871 holding.
  • GAMCO Investors first reported a position in Westlake Corp in Q2 2025 and has held it in 5 quarters since.
  • GAMCO Investors's Westlake Corp position peaked at $878K in Q2 2025.
  • 358 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on GAMCO Investors's 13F filing for Q2 2026, filed 12 Aug 2026.