Alyeska Investment Group
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Alyeska Investment Group’s Westlake Corp WLK Stock Holding History

Alyeska Investment 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
Q1 		– Sell
-103,041
Closed -$7.62M – 759
2025
Q4 		$7.62M Sell
103,041
-16,945
-14% -$1.21M 0.02% 424
2025
Q3 		$9.25M Sell
119,986
-118,142
-50% -$9.84M 0.03% 390
2025
Q2 		$18.1M Buy
238,128
+45,252
+23% +$3.7M 0.06% 289
2025
Q1 		$19.3M Buy
192,876
+87,675
+83% +$9.71M 0.08% 249
2024
Q4 		$12.1M Buy
105,201
+56,017
+114% +$7.29M 0.05% 319
2024
Q3 		$7.39M Sell
49,184
-12,961
-21% -$1.86M 0.04% 318
2024
Q2 		$9M Sell
62,145
-44,606
-42% -$6.85M 0.05% 287
2024
Q1 		$16.3M Buy
106,751
+61,387
+135% +$8.64M 0.1% 231
2023
Q4 		$6.35M Sell
45,364
-30,954
-41% -$3.93M 0.04% 296
2023
Q3 		$9.51M Buy
76,318
+251
+0.3% +$32.2K 0.06% 289
2023
Q2 		$9.09M Buy
76,067
+26,990
+55% +$3.09M 0.07% 275
2023
Q1 		$5.69M Buy
49,077
+13,677
+39% +$1.58M 0.05% 292
2022
Q4 		$3.63M Buy
+35,400
New +$3.57M 0.04% 280
2022
Q1 		– Sell
-55,000
Closed -$5.34M – 680
2021
Q4 		$5.34M Buy
+55,000
New +$5.36M 0.06% 269
2016
Q1 		– Sell
-383,187
Closed -$20.8M – 458
2015
Q4 		$20.8M Sell
383,187
-58,892
-13% -$3.41M 0.22% 152
2015
Q3 		$22.9M Buy
442,079
+25,610
+6% +$1.5M 0.27% 138
2015
Q2 		$28.6M Buy
+416,469
New +$30.3M 0.32% 109
2015
Q1 		– Sell
-115,000
Closed -$7.03M – 588
2014
Q4 		$7.03M Buy
115,000
+16,867
+17% +$1.15M 0.12% 239
2014
Q3 		$8.5M Sell
98,133
-8,561
-8% -$775K 0.17% 180
2014
Q2 		$8.94M Buy
106,694
+79,121
+287% +$5.92M 0.2% 173
2014
Q1 		$1.82M Sell
27,573
-38,427
-58% -$2.44M 0.05% 267
2013
Q4 		$4.03M Buy
+66,000
New +$3.71M 0.16% 180

Other funds holding WLK

OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.3B AUM 23.11% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Alyeska Investment Group's WLK Position: Q1 2026 in Review

Alyeska Investment Group sold out of Westlake Corp (WLK) in Q1 2026, closing a stake of 103,041 shares — an estimated $7.62M sold.

Alyeska Investment Group first reported a position in WLK in Q4 2013 and held it in 22 quarters. The position peaked at $28.6M in Q2 2015. 339 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • Alyeska Investment Group reported no remaining Westlake Corp position as of Q1 2026 after selling out during the quarter.
  • Alyeska Investment Group sold 103,041 Westlake Corp shares in Q1 2026, an estimated $7.62M.
  • Alyeska Investment Group first reported a position in Westlake Corp in Q4 2013 and held it in 22 quarters.
  • Alyeska Investment Group's Westlake Corp position peaked at $28.6M in Q2 2015.
  • 339 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Alyeska Investment Group's 13F filing for Q1 2026, filed 15 May 2026.