John Overdeck’s Westlake Corp WLK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$3.31M Buy
+45,357
New +$4.43M ﹤0.01% 2542
2026
Q1
Sell
-198,379
Closed -$14.7M 4959
2025
Q4
$14.7M Buy
198,379
+95,414
+93% +$6.79M 0.02% 885
2025
Q3
$7.93M Sell
102,965
-19,150
-16% -$1.6M 0.01% 1092
2025
Q2
$9.27M Sell
122,115
-143,956
-54% -$11.8M 0.02% 866
2025
Q1
$26.6M Buy
266,071
+161,751
+155% +$17.9M 0.06% 394
2024
Q4
$12M Sell
104,320
-37,289
-26% -$4.85M 0.03% 673
2024
Q3
$21.3M Buy
141,609
+115,521
+443% +$16.6M 0.05% 464
2024
Q2
$3.78M Sell
26,088
-4,861
-16% -$747K 0.01% 1147
2024
Q1
$4.73M Sell
30,949
-54,023
-64% -$7.61M 0.01% 999
2023
Q4
$11.9M Sell
84,972
-14,652
-15% -$1.86M 0.03% 600
2023
Q3
$12.4M Buy
99,624
+86,124
+638% +$11.1M 0.03% 532
2023
Q2
$1.61M Hold
13,500
﹤0.01% 1610
2023
Q1
$1.57M Buy
13,500
+3,200
+31% +$369K ﹤0.01% 1566
2022
Q4
$1.06M Buy
+10,300
New +$1.04M ﹤0.01% 1668
2021
Q3
Sell
-111,427
Closed -$10M 4775
2021
Q2
$10M Buy
111,427
+56,098
+101% +$5.45M 0.02% 800
2021
Q1
$4.91M Buy
55,329
+45,031
+437% +$3.91M 0.01% 1059
2020
Q4
$840K Buy
10,298
+6,910
+204% +$516K ﹤0.01% 2137
2020
Q3
$214K Sell
3,388
-14,902
-81% -$880K ﹤0.01% 2784
2020
Q2
$981K Sell
18,290
-14,265
-44% -$657K ﹤0.01% 1551
2020
Q1
$1.24M Buy
+32,555
New +$1.83M 0.01% 1259
2019
Q1
Sell
-65,471
Closed -$4.33M 3517
2018
Q4
$4.33M Buy
+65,471
New +$4.73M 0.02% 865
2018
Q2
Sell
-24,382
Closed -$2.73M 3697
2018
Q1
$2.71M Sell
24,382
-40,628
-62% -$4.52M 0.01% 1304
2017
Q4
$6.93M Buy
+65,010
New +$6.02M 0.02% 751
2016
Q3
Sell
-149,324
Closed -$6.41M 3415
2016
Q2
$6.41M Buy
149,324
+116,888
+360% +$5.34M 0.03% 662
2016
Q1
$1.5M Sell
32,436
-919
-3% -$41.7K 0.01% 1362
2015
Q4
$1.81M Buy
+33,355
New +$1.93M 0.01% 1138
2015
Q3
Sell
-106,107
Closed -$7.28M 2794
2015
Q2
$7.28M Sell
106,107
-115,401
-52% -$8.4M 0.03% 554
2015
Q1
$15.9M Sell
221,508
-67,758
-23% -$4.34M 0.07% 330
2014
Q4
$17.7M Buy
289,266
+203,418
+237% +$13.8M 0.1% 261
2014
Q3
$7.43M Sell
85,848
-90,235
-51% -$8.17M 0.03% 525
2014
Q2
$14.7M Sell
176,083
-86,533
-33% -$6.48M 0.07% 393
2014
Q1
$17.4M Sell
262,616
-125,050
-32% -$7.95M 0.09% 298
2013
Q4
$23.7M Buy
387,666
+184,436
+91% +$10.4M 0.13% 208
2013
Q3
$10.6M Buy
203,230
+46,762
+30% +$2.39M 0.07% 343
2013
Q2
$7.54M Buy
+156,468
New +$7.03M 0.05% 415

Other funds holding WLK

John Overdeck's WLK Position: Q2 2026 in Review

John Overdeck opened a new position in Westlake Corp (WLK) in Q2 2026: 45,357 shares worth $3.31M. The stake represents ﹤0.01% of the portfolio and ranks #2542 among its holdings. This is a return to the name: John Overdeck previously reported a position in WLK as recently as Q4 2025.

John Overdeck first reported a position in WLK in Q2 2013 and has held it in 35 quarters since. The position peaked at $26.6M in Q1 2025. 356 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

  • John Overdeck held 45,357 shares of Westlake Corp worth $3.31M as of Q2 2026.
  • Westlake Corp was a new John Overdeck position in Q2 2026.
  • Westlake Corp made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2542 holding.
  • John Overdeck first reported a position in Westlake Corp in Q2 2013 and has held it in 35 quarters since.
  • John Overdeck's Westlake Corp position peaked at $26.6M in Q1 2025.
  • 356 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.