Two Sigma Securities’s Westlake Corp WLK Stock Holding History

Two Sigma Securities’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 Q2	$452K	Buy	+6,190	New	+$604K	0.04%	641
2024 Q4	–	Sell	-1,340	Closed	-$201K	–	3332
2024 Q3	$201K	Buy	+1,340	New	+$193K	﹤0.01%	2156
2023 Q1	–	Sell	-2,115	Closed	-$217K	–	3354
2022 Q4	$217K	Buy	+2,115	New	+$213K	0.01%	1873
2021 Q3	–	Sell	-2,476	Closed	-$223K	–	2013
2021 Q2	$223K	Buy	+2,476	New	+$240K	0.01%	1213
2018 Q4	–	Sell	-6,522	Closed	-$542K	–	2902
2018 Q3	$542K	Buy	+6,522	New	+$638K	﹤0.01%	1367
2017 Q4	–	Sell	-3,503	Closed	-$325K	–	2047
2017 Q3	$291K	Buy	+3,503	New	+$257K	0.03%	418

Other funds holding WLK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

BIP

Brandes Investment Partners La Jolla, California $14.3B AUM 23.11% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Two Sigma Securities's WLK Position: Q2 2026 in Review

Two Sigma Securities opened a new position in Westlake Corp (WLK) in Q2 2026: 6,190 shares worth $452K. The stake represents 0.04% of the portfolio and ranks #641 among its holdings. This is a return to the name: Two Sigma Securities previously reported a position in WLK as recently as Q3 2024.

Two Sigma Securities first reported a position in WLK in Q3 2017 and has held it in 6 quarters since. The position peaked at $542K in Q3 2018. 360 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

Two Sigma Securities held 6,190 shares of Westlake Corp worth $452K as of Q2 2026.
Westlake Corp was a new Two Sigma Securities position in Q2 2026.
Westlake Corp made up 0.04% of Two Sigma Securities's portfolio in Q2 2026, its #641 holding.
Two Sigma Securities first reported a position in Westlake Corp in Q3 2017 and has held it in 6 quarters since.
Two Sigma Securities's Westlake Corp position peaked at $542K in Q3 2018.
360 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.