Picton Mahoney Asset Management’s Westlake Corp WLK Stock Holding History

Picton Mahoney Asset 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
2026 Q1	$935	Hold	8	–	–	﹤0.01%	1173
2025 Q4	$592	Hold	8	–	–	﹤0.01%	1185
2025 Q3	$1K	Hold	8	–	–	﹤0.01%	1047
2025 Q2	$1K	Hold	8	–	–	﹤0.01%	948
2025 Q1	$1K	Hold	8	–	–	﹤0.01%	911
2024 Q4	$1K	Hold	8	–	–	﹤0.01%	834
2024 Q3	$1K	Buy	+8	New	+$1.15K	﹤0.01%	822
2016 Q4	–	Sell	-1,100	Closed	-$59K	–	298
2016 Q3	$59K	Sell	1,100 -1,000	-48%	-$48.2K	﹤0.01%	283
2016 Q2	$90K	Hold	2,100	–	–	0.01%	248
2016 Q1	$97K	Sell	2,100 -20,500	-91%	-$930K	0.01%	242
2015 Q4	$1.23M	Buy	22,600 +20,900	+1,229%	+$1.21M	0.07%	156
2015 Q3	$88K	Buy	+1,700	New	+$99.3K	0.01%	240
2014 Q1	–	Sell	-51,200	Closed	-$3.13M	–	404
2013 Q4	$3.13M	Hold	51,200	–	–	0.18%	128
2013 Q3	$2.68M	Sell	51,200 -471,800	-90%	-$24.1M	0.18%	121
2013 Q2	$25.2M	Buy	+523,000	New	+$23.5M	1.87%	6

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

Picton Mahoney Asset Management's WLK Position: Q1 2026 in Review

Picton Mahoney Asset Management held its Westlake Corp (WLK) position steady in Q1 2026 at 8 shares worth $935. The position accounts for ﹤0.01% of the portfolio, ranked #1173.

Picton Mahoney Asset Management first reported a position in WLK in Q2 2013 and has held it in 15 quarters since. The position peaked at $25.2M in Q2 2013. 337 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

Picton Mahoney Asset Management held 8 shares of Westlake Corp worth $935 as of Q1 2026.
Picton Mahoney Asset Management left its Westlake Corp share count unchanged in Q1 2026.
Westlake Corp made up ﹤0.01% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #1173 holding.
Picton Mahoney Asset Management first reported a position in Westlake Corp in Q2 2013 and has held it in 15 quarters since.
Picton Mahoney Asset Management's Westlake Corp position peaked at $25.2M in Q2 2013.
337 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.