Two Sigma Investments
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Two Sigma Investments’s Westlake Corp WLK Stock Holding History

Two Sigma Investments’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
Q1 		– Sell
-2,900
Closed -$214K – 4960
2025
Q4 		$214K Buy
+2,900
New +$206K ﹤0.01% 3740

Other funds holding WLK

OAG
Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Two Sigma Investments's WLK Position: Q1 2026 in Review

Two Sigma Investments sold out of Westlake Corp (WLK) in Q1 2026, closing a stake of 198,379 shares — an estimated $14.7M sold.

Two Sigma Investments first reported a position in WLK in Q2 2013 and held it in 34 quarters. The position peaked at $26.6M in Q1 2025. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • Two Sigma Investments reported no remaining Westlake Corp position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Investments sold 198,379 Westlake Corp shares in Q1 2026, an estimated $14.7M.
  • Two Sigma Investments first reported a position in Westlake Corp in Q2 2013 and held it in 34 quarters.
  • Two Sigma Investments's Westlake Corp position peaked at $26.6M in Q1 2025.
  • 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.