Zimmer Partners’s Westlake Corp WLK Stock Holding History

Zimmer Partners’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
2025 Q4	–	Sell	-90,000	Closed	-$6.94M	–	169
2025 Q3	$6.94M	Buy	+90,000	New	+$7.5M	0.15%	92

Other funds holding WLK

OAG

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

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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

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

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

BIP

Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

Zimmer Partners's WLK Position: Q4 2025 in Review

Zimmer Partners sold out of Westlake Corp (WLK) in Q4 2025, closing a stake of 90,000 shares — an estimated $6.94M sold.

Zimmer Partners first reported a position in WLK in Q3 2025 and held it in 1 quarter. The position peaked at $6.94M in Q3 2025. 296 funds tracked by Wall St. Rank hold WLK as of Q4 2025.

Zimmer Partners reported no remaining Westlake Corp position as of Q4 2025 after selling out during the quarter.
Zimmer Partners sold 90,000 Westlake Corp shares in Q4 2025, an estimated $6.94M.
Zimmer Partners first reported a position in Westlake Corp in Q3 2025 and held it in 1 quarter.
Zimmer Partners's Westlake Corp position peaked at $6.94M in Q3 2025.
296 funds tracked by Wall St. Rank held Westlake Corp as of Q4 2025.

Based on Zimmer Partners's 13F filing for Q4 2025, filed 17 Feb 2026.