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Winton Group’s Westlake Corp WLK Stock Holding History

Winton 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
Q2 		– Sell
-8,229
Closed -$961K – 1534
2026
Q1 		$961K Buy
+8,229
New +$798K 0.03% 550
2023
Q2 		– Sell
-5,045
Closed -$585K – 1147
2023
Q1 		$585K Sell
5,045
-1,966
-28% -$227K 0.04% 635
2022
Q4 		$719K Buy
+7,011
New +$706K 0.05% 519
2022
Q3 		– Sell
-2,296
Closed -$225K – 1102
2022
Q2 		$225K Sell
2,296
-5,380
-70% -$659K 0.01% 883
2022
Q1 		$947K Buy
+7,676
New +$837K 0.05% 477
2021
Q4 		– Sell
-7,247
Closed -$660K – 1431
2021
Q3 		$660K Buy
7,247
+1,736
+32% +$149K 0.04% 714
2021
Q2 		$496K Sell
5,511
-341
-6% -$33.1K 0.03% 925
2021
Q1 		$520K Sell
5,852
-695
-11% -$60.3K 0.03% 866
2020
Q4 		$534K Sell
6,547
-16,328
-71% -$1.22M 0.04% 760
2020
Q3 		$1.45M Sell
22,875
-5,140
-18% -$304K 0.05% 662
2020
Q2 		$1.5M Buy
28,015
+1,196
+4% +$55.1K 0.04% 784
2020
Q1 		$1.02M Buy
26,819
+11,066
+70% +$622K 0.03% 798
2019
Q4 		$1.1M Buy
15,753
+2,965
+23% +$199K 0.02% 1030
2019
Q3 		$838K Buy
12,788
+1,029
+9% +$66.2K 0.01% 910
2019
Q2 		$817K Buy
11,759
+3,074
+35% +$205K 0.02% 480
2019
Q1 		$589K Buy
8,685
+4,896
+129% +$355K 0.01% 514
2018
Q4 		$251K Sell
3,789
-2,868
-43% -$207K 0.01% 725
2018
Q3 		$553K Buy
+6,657
New +$651K 0.01% 587

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

Winton Group's WLK Position: Q2 2026 in Review

Winton Group sold out of Westlake Corp (WLK) in Q2 2026, closing a stake of 8,229 shares — an estimated $961K sold.

Winton Group first reported a position in WLK in Q3 2018 and held it in 18 quarters. The position peaked at $1.5M in Q2 2020. 358 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

  • Winton Group reported no remaining Westlake Corp position as of Q2 2026 after selling out during the quarter.
  • Winton Group sold 8,229 Westlake Corp shares in Q2 2026, an estimated $961K.
  • Winton Group first reported a position in Westlake Corp in Q3 2018 and held it in 18 quarters.
  • Winton Group's Westlake Corp position peaked at $1.5M in Q2 2020.
  • 358 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.