Select Equity Group’s Westlake Corp WLK Stock Holding History

Select Equity Group’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	-74,997	Closed	-$5.55M	–	215
2025 Q4	$5.55M	Buy	+74,997	New	+$5.34M	0.02%	162
2016 Q1	–	Sell	-2,361,112	Closed	-$128M	–	107
2015 Q4	$128M	Sell	2,361,112 -910,267	-28%	-$52.7M	1.23%	25
2015 Q3	$170M	Sell	3,271,379 -79,643	-2%	-$4.65M	1.62%	23
2015 Q2	$230M	Sell	3,351,022 -209,464	-6%	-$15.2M	2.1%	16
2015 Q1	$256M	Buy	3,560,486 +869,195	+32%	+$55.7M	2.33%	15
2014 Q4	$164M	Buy	2,691,291 +970,525	+56%	+$66.1M	1.54%	25
2014 Q3	$149M	Buy	1,720,766 +266,041	+18%	+$24.1M	1.54%	25
2014 Q2	$122M	Sell	1,454,725 -240,461	-14%	-$18M	1.24%	27
2014 Q1	$112M	Buy	+1,695,186	New	+$108M	1.23%	28

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

Select Equity Group's WLK Position: Q1 2026 in Review

Select Equity Group sold out of Westlake Corp (WLK) in Q1 2026, closing a stake of 74,997 shares — an estimated $5.55M sold.

Select Equity Group first reported a position in WLK in Q1 2014 and held it in 9 quarters. The position peaked at $256M in Q1 2015. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

Select Equity Group reported no remaining Westlake Corp position as of Q1 2026 after selling out during the quarter.
Select Equity Group sold 74,997 Westlake Corp shares in Q1 2026, an estimated $5.55M.
Select Equity Group first reported a position in Westlake Corp in Q1 2014 and held it in 9 quarters.
Select Equity Group's Westlake Corp position peaked at $256M in Q1 2015.
336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Select Equity Group's 13F filing for Q1 2026, filed 15 May 2026.