Bayesian Capital Management’s Westlake Corp WLK Stock Holding History

Bayesian Capital 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
2025 Q4	–	Sell	-9,241	Closed	-$712K	–	551
2025 Q3	$712K	Buy	+9,241	New	+$770K	0.15%	215
2025 Q2	–	Sell	-2,841	Closed	-$284K	–	904
2025 Q1	$284K	Buy	+2,841	New	+$315K	0.05%	403
2023 Q1	–	Sell	-6,647	Closed	-$682K	–	1124
2022 Q4	$682K	Buy	6,647 +2,900	+77%	+$292K	0.1%	276
2022 Q3	$326K	Sell	3,747 -7,200	-66%	-$690K	0.07%	391
2022 Q2	$1.07M	Buy	+10,947	New	+$1.34M	0.2%	139
2018 Q1	–	Sell	-13,019	Closed	-$1.39M	–	843
2017 Q4	$1.39M	Buy	+13,019	New	+$1.21M	0.28%	103
2017 Q3	–	Sell	-4,067	Closed	-$269K	–	664
2017 Q2	$269K	Sell	4,067 -1,400	-26%	-$88.9K	0.1%	317
2017 Q1	$361K	Buy	+5,467	New	+$346K	0.17%	222

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

Bayesian Capital Management's WLK Position: Q4 2025 in Review

Bayesian Capital Management sold out of Westlake Corp (WLK) in Q4 2025, closing a stake of 9,241 shares — an estimated $712K sold.

Bayesian Capital Management first reported a position in WLK in Q1 2017 and held it in 8 quarters. The position peaked at $1.39M in Q4 2017. 296 funds tracked by Wall St. Rank hold WLK as of Q4 2025.

Bayesian Capital Management reported no remaining Westlake Corp position as of Q4 2025 after selling out during the quarter.
Bayesian Capital Management sold 9,241 Westlake Corp shares in Q4 2025, an estimated $712K.
Bayesian Capital Management first reported a position in Westlake Corp in Q1 2017 and held it in 8 quarters.
Bayesian Capital Management's Westlake Corp position peaked at $1.39M in Q4 2017.
296 funds tracked by Wall St. Rank held Westlake Corp as of Q4 2025.

Based on Bayesian Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.