Aigen Investment Management’s Westlake Corp WLK Stock Holding History

Aigen Investment 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 Q2	$255K	Buy	+3,496	New	+$341K	0.07%	360
2025 Q2	–	Sell	-10,572	Closed	-$1.06M	–	1103
2025 Q1	$1.06M	Buy	10,572 +5,321	+101%	+$589K	0.17%	180
2024 Q4	$602K	Buy	5,251 +355	+7%	+$46.2K	0.11%	283
2024 Q3	$736K	Buy	+4,896	New	+$704K	0.14%	210
2022 Q4	–	Sell	-3,347	Closed	-$291K	–	806
2022 Q3	$291K	Sell	3,347 -2,907	-46%	-$279K	0.04%	414
2022 Q2	$613K	Buy	+6,254	New	+$766K	0.1%	265
2021 Q4	–	Sell	-4,668	Closed	-$425K	–	1198
2021 Q3	$425K	Buy	+4,668	New	+$400K	0.08%	274
2020 Q2	–	Sell	-5,771	Closed	-$220K	–	1331
2020 Q1	$220K	Buy	+5,771	New	+$324K	0.03%	678

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 $3.38T AUM 44.17% 1-Year Est. Return

Aigen Investment Management's WLK Position: Q2 2026 in Review

Aigen Investment Management opened a new position in Westlake Corp (WLK) in Q2 2026: 3,496 shares worth $255K. The stake represents 0.07% of the portfolio and ranks #360 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in WLK as recently as Q1 2025.

Aigen Investment Management first reported a position in WLK in Q1 2020 and has held it in 8 quarters since. The position peaked at $1.06M in Q1 2025. 360 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

Aigen Investment Management held 3,496 shares of Westlake Corp worth $255K as of Q2 2026.
Westlake Corp was a new Aigen Investment Management position in Q2 2026.
Westlake Corp made up 0.07% of Aigen Investment Management's portfolio in Q2 2026, its #360 holding.
Aigen Investment Management first reported a position in Westlake Corp in Q1 2020 and has held it in 8 quarters since.
Aigen Investment Management's Westlake Corp position peaked at $1.06M in Q1 2025.
360 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.