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Brown Brothers Harriman & Co’s Westlake Corp WLK Stock Holding History

Brown Brothers Harriman & Co’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 		$4.01K Hold
55
– – ﹤0.01% 1615
2026
Q1 		$6.42K Buy
55
+34
+162% +$3.3K ﹤0.01% 1438
2025
Q4 		$1.55K Buy
+21
New +$1.5K ﹤0.01% 1753
2022
Q3 		– Sell
-175
Closed -$17K – 1594
2022
Q2 		$17K Hold
175
– – ﹤0.01% 917
2022
Q1 		$22K Buy
+175
New +$19.1K ﹤0.01% 913
2021
Q4 		– Sell
-4
Closed – – 1222
2021
Q3 		$0 Sell
4
-73
-95% -$6.25K ﹤0.01% 1233
2021
Q2 		$7K Hold
77
– – ﹤0.01% 956
2021
Q1 		$7K Buy
+77
New +$6.68K ﹤0.01% 925
2020
Q4 		– Sell
-2
Closed – – 1160
2020
Q3 		$0 Hold
2
– – ﹤0.01% 1047
2020
Q2 		$0 Buy
+2
New +$92 ﹤0.01% 1210
2020
Q1 		– Sell
-8
Closed -$1K – 1314
2019
Q4 		$1K Sell
8
-12
-60% -$806 ﹤0.01% 1087
2019
Q3 		$1K Buy
20
+8
+67% +$515 ﹤0.01% 1165
2019
Q2 		$1K Buy
+12
New +$799 ﹤0.01% 1074
2019
Q1 		– Sell
-71
Closed -$5K – 1122
2018
Q4 		$5K Hold
71
– – ﹤0.01% 790
2018
Q3 		$6K Buy
+71
New +$6.94K ﹤0.01% 742
2018
Q1 		– Sell
-70
Closed -$7K – 1146
2017
Q4 		$7K Buy
+70
New +$6.49K ﹤0.01% 805
2014
Q2 		– Sell
-280
Closed -$19K – 822
2014
Q1 		$19K Buy
+280
New +$17.8K ﹤0.01% 618

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

Brown Brothers Harriman & Co's WLK Position: Q2 2026 in Review

Brown Brothers Harriman & Co held its Westlake Corp (WLK) position steady in Q2 2026 at 55 shares worth $4.01K. The position accounts for ﹤0.01% of the portfolio, ranked #1615.

Brown Brothers Harriman & Co first reported a position in WLK in Q1 2014 and has held it in 17 quarters since. The position peaked at $22K in Q1 2022. 358 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

  • Brown Brothers Harriman & Co held 55 shares of Westlake Corp worth $4.01K as of Q2 2026.
  • Brown Brothers Harriman & Co left its Westlake Corp share count unchanged in Q2 2026.
  • Westlake Corp made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1615 holding.
  • Brown Brothers Harriman & Co first reported a position in Westlake Corp in Q1 2014 and has held it in 17 quarters since.
  • Brown Brothers Harriman & Co's Westlake Corp position peaked at $22K in Q1 2022.
  • 358 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.