Luminus Management’s Westlake Corp WLK Stock Holding History

Luminus 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
2014 Q3	–	Sell	-65,000	Closed	-$5.44M	–	174
2014 Q2	$5.44M	Buy	+65,000	New	+$4.87M	0.21%	77

Other funds holding WLK

OAG

Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Luminus Management's WLK Position: Q1 2026 in Review

Luminus Management sold out of Westlake Corp (WLK) in Q1 2026, closing a stake of 35,189 shares — an estimated $2.6M sold.

Luminus Management first reported a position in WLK in Q2 2013 and held it in 19 quarters. The position peaked at $48.5M in Q1 2018. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

Luminus Management reported no remaining Westlake Corp position as of Q1 2026 after selling out during the quarter.
Luminus Management sold 35,189 Westlake Corp shares in Q1 2026, an estimated $2.6M.
Luminus Management first reported a position in Westlake Corp in Q2 2013 and held it in 19 quarters.
Luminus Management's Westlake Corp position peaked at $48.5M in Q1 2018.
336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

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