Millennium Management
WLK icon

Millennium Management’s Westlake Corp WLK Stock Holding History

Millennium Management’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
2017
Q2 		– Sell
-130,000
Closed -$8.59M – 3916
2017
Q1 		$8.59M Buy
+130,000
New +$8.23M 0.02% 1121
2014
Q3 		– Sell
-3,200
Closed -$268K – 4039
2014
Q2 		$268K Buy
+3,200
New +$240K ﹤0.01% 2941

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

Millennium Management's WLK Position: Q1 2026 in Review

Millennium Management reduced its Westlake Corp (WLK) stake by 80% in Q1 2026, selling an estimated $33.2M and leaving 84,997 shares worth $9.93M. The position accounts for ﹤0.01% of the portfolio, ranked #2175.

Millennium Management first reported a position in WLK in Q2 2013 and has held it in 51 quarters since. The position peaked at $125M in Q1 2021. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • Millennium Management held 84,997 shares of Westlake Corp worth $9.93M as of Q1 2026.
  • Millennium Management sold 342,757 Westlake Corp shares in Q1 2026, an estimated $33.2M.
  • Westlake Corp made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #2175 holding.
  • Millennium Management first reported a position in Westlake Corp in Q2 2013 and has held it in 51 quarters since.
  • Millennium Management's Westlake Corp position peaked at $125M in Q1 2021.
  • 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.