Cerity Partners
WLK icon

Cerity Partners’s Westlake Corp WLK Stock Holding History

Cerity Partners’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 		$12.1M Buy
166,436
+93,757
+129% +$9.16M 0.01% 665
2026
Q1 		$8.49M Sell
72,679
-54,416
-43% -$5.28M 0.01% 779
2025
Q4 		$9.4M Buy
127,095
+44,016
+53% +$3.13M 0.01% 667
2025
Q3 		$6.4M Sell
83,079
-3,714
-4% -$309K 0.01% 763
2025
Q2 		$6.59M Buy
86,793
+11,865
+16% +$971K 0.01% 696
2025
Q1 		$7.5M Sell
74,928
-7,685
-9% -$851K 0.02% 592
2024
Q4 		$12.4M Sell
82,613
-59,338
-42% -$7.72M 0.03% 428
2024
Q3 		$21.3M Buy
141,951
+79,815
+128% +$11.5M 0.05% 303
2024
Q2 		$9M Sell
62,136
-81,972
-57% -$12.6M 0.02% 448
2024
Q1 		$22M Buy
144,108
+83,432
+138% +$11.7M 0.06% 275
2023
Q4 		$8.49M Buy
+60,676
New +$7.7M 0.03% 404
2023
Q3 		– Sell
-61,440
Closed -$7.34M – 1728
2023
Q2 		$7.34M Sell
61,440
-452
-0.7% -$51.7K 0.03% 409
2023
Q1 		$7.18M Buy
+61,892
New +$7.14M 0.02% 424
2017
Q3 		– Sell
-25,314
Closed -$482K – 573
2017
Q2 		$482K Buy
25,314
+20,992
+486% +$1.33M 0.04% 232
2017
Q1 		$285K Buy
+4,322
New +$274K 0.02% 349

Other funds holding WLK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
T. Rowe Price Associates
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
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
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Cerity Partners's WLK Position: Q2 2026 in Review

Cerity Partners increased its Westlake Corp (WLK) stake by 129% in Q2 2026, buying an estimated $9.16M and bringing the position to 166,436 shares worth $12.1M. The position accounts for 0.01% of the portfolio, ranked #665.

Cerity Partners first reported a position in WLK in Q1 2017 and has held it in 15 quarters since. The position peaked at $22M in Q1 2024. 359 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

  • Cerity Partners held 166,436 shares of Westlake Corp worth $12.1M as of Q2 2026.
  • Cerity Partners bought 93,757 Westlake Corp shares in Q2 2026, an estimated $9.16M.
  • Westlake Corp made up 0.01% of Cerity Partners's portfolio in Q2 2026, its #665 holding.
  • Cerity Partners first reported a position in Westlake Corp in Q1 2017 and has held it in 15 quarters since.
  • Cerity Partners's Westlake Corp position peaked at $22M in Q1 2024.
  • 359 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on Cerity Partners's 13F filing for Q2 2026, filed 14 Aug 2026.